Revision 13519
org.gvsig.raster.wcs/tags/org.gvsig.raster.wcs-2.2.129/org.gvsig.raster.wcs.io/src/main/java/org/gvsig/raster/wcs/io/WCSServerExplorer.java | ||
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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|
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/* |
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* AUTHORS (In addition to CIT): |
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* 2009 IVER T.I {{Task}} |
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*/ |
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|
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package org.gvsig.raster.wcs.io; |
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|
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import java.awt.geom.Point2D; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.net.MalformedURLException; |
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import java.net.URI; |
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import java.net.URISyntaxException; |
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import java.net.URL; |
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import java.net.URLConnection; |
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import java.util.Hashtable; |
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import java.util.List; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.compat.net.ICancellable; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.NewDataStoreParameters; |
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import org.gvsig.fmap.dal.coverage.exception.ConnectException; |
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import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataServerExplorer; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.spi.AbstractDataServerExplorer; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProvider; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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import org.gvsig.i18n.Messages; |
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|
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/** |
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* Explorer for a WCS server |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class WCSServerExplorer extends AbstractDataServerExplorer implements RasterDataServerExplorer, DataServerExplorerProvider { |
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private WCSConnector connector = null; |
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// private WCSServerExplorerParameters parameters = null; |
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private static final Logger logger = LoggerFactory.getLogger(WCSServerExplorer.class); |
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public WCSServerExplorer( |
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WCSServerExplorerParameters parameters, |
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DataServerExplorerProviderServices services) |
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throws InitializeException { |
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super(parameters, services); |
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// this.parameters = parameters; |
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} |
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/** |
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* Gets the provider's name |
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* @return |
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*/ |
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public String getDataStoreProviderName() { |
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return WCSProvider.NAME; |
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} |
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public String getDescription() { |
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return WCSProvider.DESCRIPTION; |
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} |
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public boolean add(String provider, NewDataStoreParameters parameters, |
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boolean overwrite) throws DataException { |
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return false; |
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} |
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public boolean canAdd() { |
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return false; |
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} |
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public boolean canAdd(String storeName) throws DataException { |
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return false; |
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} |
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public NewDataStoreParameters getAddParameters(String storeName) |
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throws DataException { |
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return null; |
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} |
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public List getDataStoreProviderNames() { |
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return null; |
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} |
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public WCSServerExplorerParameters getParameters() { |
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return (WCSServerExplorerParameters) super.getParameters(); |
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} |
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public List list() throws DataException { |
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return null; |
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} |
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public List list(int mode) throws DataException { |
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return null; |
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} |
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public void remove(DataStoreParameters parameters) throws DataException { |
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} |
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public String getProviderName() { |
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return null; |
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} |
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/** |
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* Gets the online resources |
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* @return |
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*/ |
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public Hashtable getOnlineResources() { |
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return null; |
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} |
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//********************************************** |
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//Connector |
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//********************************************** |
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public DataStoreParameters getStoredParameters() { |
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DataManager manager = DALLocator.getDataManager(); |
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WCSDataParametersImpl params = null; |
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try { |
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params = (WCSDataParametersImpl) manager.createStoreParameters(this.getDataStoreProviderName()); |
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} catch (InitializeException e) { |
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logger.warn("Can't get DataStoreParameters from WCSServerExplorer", e); |
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} catch (ProviderNotRegisteredException e) { |
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logger.warn("Can't get DataStoreParameters from WCSServerExplorer", e); |
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} |
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String host = getParameters().getHost(); |
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URI hostURI; |
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try { |
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hostURI = new URI(host); |
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params.setURI(hostURI); |
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} catch (URISyntaxException e) { |
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logger.warn("Can't create URI from"+host, e); |
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} |
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return params; |
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} |
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/** |
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* Connects to the server and throws a getCapabilities. This loads |
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* the basic information to make requests. |
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* @throws RemoteServiceException |
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*/ |
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public void connect(ICancellable cancellable) throws ConnectException { |
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URL url = null; |
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boolean override = false; |
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try { |
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url = new URL(getParameters().getHost()); |
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} catch (Exception e) { |
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throw new ConnectException(Messages.getText("malformed_url"), e); |
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} |
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try { |
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connector = WCSProvider.getConnectorFromURL(url); |
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if (!connector.connect(override, cancellable)) |
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throw new ConnectException(Messages.getText("error_connecting")); |
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} catch (IOException e) { |
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throw new ConnectException(Messages.getText("error_connecting"), e); |
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} |
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} |
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/** |
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* Checks if the network and host are reachable |
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* @param timeout for the host |
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* @return true if both are reachable and false if they are not |
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*/ |
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public boolean isHostReachable(int timeout) { |
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URL url = null; |
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try { |
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url = new URL(getParameters().getHost()); |
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URLConnection con = url.openConnection(); |
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if(con == null) |
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return false; |
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con.connect(); |
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InputStream stream = con.getInputStream(); |
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if(stream == null) |
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return false; |
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} catch (MalformedURLException e) { |
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return false; |
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} catch (IOException e) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Checks if the network and host are reachable |
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* @return true if both are reachable and false if they are not |
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*/ |
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public boolean isHostReachable() { |
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int timeout = 10000; |
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return isHostReachable(timeout); |
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} |
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/** |
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* Returns true if this provider is connected to the server |
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* @return |
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*/ |
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public boolean isConnected() { |
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if(connector != null) |
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return true; |
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return false; |
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} |
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/** |
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* Gets the description of this service |
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* @return |
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*/ |
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public String getAbstract() { |
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if(connector != null) |
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return connector.getDescription(); |
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return null; |
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} |
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/** |
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* Gets the server title |
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* @return |
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*/ |
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public String getServerType() { |
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if (getVersion() == null) |
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return "WCS"; |
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return "WCS "+ getVersion(); |
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} |
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/** |
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* Gets the protocol supported by the server |
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* @return |
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*/ |
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public String getVersion() { |
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if(connector != null) { |
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return (connector.getVersion() == null) ? "" : connector.getVersion(); |
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} |
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return null; |
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} |
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/** |
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* Gets the host URI |
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* @return |
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*/ |
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public String getHost() { |
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return getParameters().getHost(); |
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} |
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/** |
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* Gets the title |
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* @return |
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*/ |
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public String getTitle() { |
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return null; |
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} |
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public DataServerExplorerProviderServices getServerExplorerProviderServices() { |
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return null; |
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} |
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public Point2D getMaxResolution(String layerName) { |
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return connector.getMaxResolution(layerName); |
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} |
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/** |
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* Gets the coverage list |
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* @return |
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*/ |
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public WCSLayerNode[] getCoverageList() { |
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return connector.getLayerList(); |
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} |
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/** |
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* Gets a layer searching by its name |
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* @return |
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*/ |
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public WCSLayerNode getCoverageByName(String name) { |
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WCSLayerNode[] list = getCoverageList(); |
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for (int i = 0; i < list.length; i++) { |
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if(list[i].getName().compareTo(name) == 0) |
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return list[i]; |
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} |
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return null; |
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} |
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} |
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org.gvsig.raster.wcs/tags/org.gvsig.raster.wcs-2.2.129/org.gvsig.raster.wcs.io/src/main/java/org/gvsig/raster/wcs/io/WCSConnector.java | ||
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
14 |
* GNU General Public License for more details. |
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15 |
* |
|
16 |
* You should have received a copy of the GNU General Public License |
|
17 |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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package org.gvsig.raster.wcs.io; |
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|
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.BufferedOutputStream; |
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import java.io.DataInputStream; |
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import java.io.DataOutputStream; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStreamWriter; |
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import java.net.ConnectException; |
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import java.net.HttpURLConnection; |
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import java.net.URL; |
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import java.security.KeyManagementException; |
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import java.security.NoSuchAlgorithmException; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import java.util.Iterator; |
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import java.util.Set; |
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import java.util.prefs.Preferences; |
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import javax.net.ssl.HttpsURLConnection; |
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import javax.net.ssl.SSLContext; |
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import javax.net.ssl.TrustManager; |
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import javax.net.ssl.X509TrustManager; |
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import org.gvsig.compat.net.ICancellable; |
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import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException; |
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import org.gvsig.remoteclient.exceptions.ServerErrorException; |
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import org.gvsig.remoteclient.exceptions.WCSException; |
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import org.gvsig.remoteclient.utils.BoundaryBox; |
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import org.gvsig.remoteclient.wcs.WCSClient; |
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import org.gvsig.remoteclient.wcs.WCSCoverage; |
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import org.gvsig.remoteclient.wcs.WCSStatus; |
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import org.gvsig.remoteclient.wcs.WCSCoverage.AxisDescription; |
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import org.gvsig.remoteclient.wcs.WCSCoverage.RectifiedGrid; |
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|
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/** |
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* Connector between a WCS data provider and a WCSClient. |
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* |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class WCSConnector { |
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private WCSClient client; |
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private Hashtable<String, WCSLayerNode> coverages; |
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private WCSLayerNode[] layerList; |
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public WCSConnector(URL url) throws ConnectException, IOException { |
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client = new WCSClient(url.toString()); |
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} |
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|
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/** |
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* Returns the string "WCSDriver", which is the driver's name. |
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* @return String |
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*/ |
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public String getName() { |
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return "WCSDriver"; |
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} |
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|
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/** |
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* Sets the server that we want to connect to. |
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* |
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* @param host |
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* @throws IOException |
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*/ |
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public void setHost(String host) throws IOException{ |
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client = new WCSClient(host); |
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} |
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|
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/** |
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* Returns a human-readable string containing the server's name. |
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* |
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* @return String |
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*/ |
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public String getLabel() { |
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return client.getServiceTitle(); |
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} |
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|
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/** |
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* Returns a string containing the server's WCS version number. |
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* |
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* @return String |
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106 |
*/ |
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public String getVersion(){ |
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return client.getVersion(); |
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} |
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110 |
|
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/** |
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* <p> |
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* Returns name and description of the server. It is supposed to be used |
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* as the source of the abstract field in your application's interface. |
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* </p> |
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* <p> |
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* Devuelve nombre y descripci?n (abstract) del servidor. |
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* </p> |
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* @return String |
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*/ |
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public String getDescription(){ |
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return client.getDescription(); |
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} |
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|
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/** |
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* Returns the layer descriptor for a given coverage name. |
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* @param layerName |
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* @return WCSLayer |
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*/ |
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public WCSLayerNode getLayer(String layerName) { |
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getLayerList(); |
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return (WCSLayerNode) getCoverages().get(layerName); |
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} |
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134 |
|
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private Hashtable<String, WCSLayerNode> getCoverages() { |
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if(coverages == null || coverages.isEmpty()) { |
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getLayerList(); |
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} |
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return coverages; |
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} |
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141 |
|
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/** |
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* Returns an array of WCSLayer's with the descriptors of all coverages |
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* @return WCSLayer[] |
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*/ |
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public WCSLayerNode[] getLayerList() { |
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if (coverages == null || coverages.isEmpty()) { |
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// the WCSLayer collection will be built |
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coverages = new Hashtable<String, WCSLayerNode>(); |
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Hashtable wcsCoverages = client.getCoverageList(); |
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int sz = wcsCoverages.size(); |
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|
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// Create an array with the WCSCoverages |
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WCSCoverage[] coverageList = new WCSCoverage[sz]; |
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155 |
Iterator it = wcsCoverages.keySet().iterator(); |
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int i = 0; |
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while (it.hasNext()) { |
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coverageList[i] = (WCSCoverage) wcsCoverages.get(it.next()); |
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i++; |
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} |
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161 |
|
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// Create a WCSLayer array from the previous WCSCoverage array |
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163 |
layerList = new WCSLayerNode[sz]; |
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164 |
for (int j = 0; j < layerList.length; j++) { |
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WCSLayerNode lyr = new WCSLayerNode(); |
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WCSCoverage cov = coverageList[j]; |
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// name |
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168 |
lyr.setName(cov.getName()); |
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169 |
|
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// title |
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171 |
lyr.setTitle(cov.getTitle()); |
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172 |
|
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// description |
|
174 |
lyr.setDescription(cov.getAbstract()); |
|
175 |
|
|
176 |
// srs |
|
177 |
lyr.addAllSrs(cov.getAllSrs()); |
|
178 |
|
|
179 |
// native srs |
|
180 |
lyr.setNativeSRS(cov.getNativeSRS()); |
|
181 |
|
|
182 |
// extents |
|
183 |
Set k = cov.getBBoxes().keySet(); |
|
184 |
if (!k.isEmpty()) { |
|
185 |
it = k.iterator(); |
|
186 |
while (it.hasNext()) { |
|
187 |
String srs = (String) it.next(); |
|
188 |
BoundaryBox bBox = cov.getBbox(srs); |
|
189 |
Rectangle2D r = new Rectangle2D.Double( |
|
190 |
bBox.getXmin(), |
|
191 |
bBox.getYmin(), |
|
192 |
bBox.getXmax() - bBox.getXmin(), |
|
193 |
bBox.getYmax() - bBox.getYmin() |
|
194 |
); |
|
195 |
lyr.addExtent(srs, r); |
|
196 |
} |
|
197 |
} |
|
198 |
|
|
199 |
// formats |
|
200 |
lyr.setFormats(cov.getFormats()); |
|
201 |
|
|
202 |
// time positions |
|
203 |
lyr.setTimePositions(cov.getTimePositions()); |
|
204 |
|
|
205 |
RectifiedGrid rf = cov.getRectifiedGrid(); |
|
206 |
if(rf != null){ |
|
207 |
int w = rf.getHighGridEnvelopLimits()[0][0] - rf.getLowGridEnvelopLimits()[0][0]; |
|
208 |
int h = rf.getHighGridEnvelopLimits()[0][1] - rf.getLowGridEnvelopLimits()[0][1]; |
|
209 |
|
|
210 |
lyr.setWidth(w); |
|
211 |
lyr.setHeight(h); |
|
212 |
} |
|
213 |
|
|
214 |
// max res |
|
215 |
lyr.setMaxRes(new Point2D.Double(cov.getResX(), cov.getResY())); |
|
216 |
|
|
217 |
// interpolations |
|
218 |
lyr.setInterpolationMethods(cov.getInterpolationMethods()); |
|
219 |
|
|
220 |
// parameters |
|
221 |
k = cov.axisPool.keySet(); |
|
222 |
if (!k.isEmpty()) { |
|
223 |
it = k.iterator(); |
|
224 |
while (it.hasNext()) { |
|
225 |
AxisDescription ad = (AxisDescription) cov.axisPool.get(it.next()); |
|
226 |
FMapWCSParameter p = new FMapWCSParameter(); |
|
227 |
p.setName(ad.getName()); |
|
228 |
p.setLabel(ad.getLabel()); |
|
229 |
p.setType(ad.getInterval() == null ? FMapWCSParameter.VALUE_LIST : FMapWCSParameter.INTERVAL); |
|
230 |
if (p.getType() == FMapWCSParameter.VALUE_LIST) { |
|
231 |
p.setValueList(ad.getSingleValues()); |
|
232 |
} /*else { |
|
233 |
p.setInterval(ad.getInterval()); |
|
234 |
}*/ |
|
235 |
lyr.addParameter(p); |
|
236 |
} |
|
237 |
} |
|
238 |
layerList[j] = lyr; |
|
239 |
coverages.put(lyr.getName(), lyr); |
|
240 |
} |
|
241 |
} |
|
242 |
return layerList; |
|
243 |
} |
|
244 |
|
|
245 |
/** |
|
246 |
* Establishes the connection to the WCS server. Connecting to a WCS is |
|
247 |
* an abstraction.<br> |
|
248 |
* <p> |
|
249 |
* Actually, it sends a GetCapabilities and a general DescribeCoverage |
|
250 |
* request (not a coverage-specific DescribeCoverage request) to read the |
|
251 |
* necessary data for building further GetCoverage requests. |
|
252 |
* </p> |
|
253 |
* @param override |
|
254 |
* @throws IOException. |
|
255 |
*/ |
|
256 |
public boolean connect(boolean override, ICancellable cancel) |
|
257 |
throws IOException { |
|
258 |
coverages = null; |
|
259 |
setHost(client.getHost()); |
|
260 |
return client.connect(override, cancel); |
|
261 |
} |
|
262 |
|
|
263 |
/** |
|
264 |
* No close operation is needed since WCS service it is a non-session based |
|
265 |
* protocol. So, this does nothing and you can omit it.<br> |
|
266 |
*/ |
|
267 |
public void close() { |
|
268 |
// connected = false; |
|
269 |
} |
|
270 |
|
|
271 |
/** |
|
272 |
* Returns the label of an specific coverage given by the coverage name |
|
273 |
* @param coverage name (string) |
|
274 |
* @return string |
|
275 |
*/ |
|
276 |
public String getLabel(String coverageName) { |
|
277 |
return client.getLabel(coverageName); |
|
278 |
} |
|
279 |
|
|
280 |
/** |
|
281 |
* Returns the coverage's MAX extent from the server. |
|
282 |
* @return Rectangle2D |
|
283 |
* @throws IOException |
|
284 |
*/ |
|
285 |
public Rectangle2D getFullExtent(String coverageName, String srs) |
|
286 |
throws IOException { |
|
287 |
return client.getExtent(coverageName, srs); |
|
288 |
} |
|
289 |
|
|
290 |
/** |
|
291 |
* Returns the max resolution of a specific coverage given by the coverage's name. |
|
292 |
* @param coverage name (string) |
|
293 |
* @return double |
|
294 |
*/ |
|
295 |
public Point2D getMaxResolution(String coverageName) { |
|
296 |
if (getCoverages().containsKey(coverageName)) { |
|
297 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getMaxRes(); |
|
298 |
} |
|
299 |
return null; |
|
300 |
} |
|
301 |
|
|
302 |
/** |
|
303 |
* Gets the maximum width in pixels of this coverage |
|
304 |
* @param coverageName |
|
305 |
* @return |
|
306 |
*/ |
|
307 |
public int getWidth(String coverageName) { |
|
308 |
if (getCoverages().containsKey(coverageName)) { |
|
309 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getWidth(); |
|
310 |
} |
|
311 |
return 0; |
|
312 |
} |
|
313 |
|
|
314 |
/** |
|
315 |
* Gets the maximum height in pixels of this coverage |
|
316 |
* @param coverageName |
|
317 |
* @return |
|
318 |
*/ |
|
319 |
public int getHeight(String coverageName) { |
|
320 |
if (getCoverages().containsKey(coverageName)) { |
|
321 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getHeight(); |
|
322 |
} |
|
323 |
return 0; |
|
324 |
} |
|
325 |
|
|
326 |
/** |
|
327 |
* Returns an ArrayList containing a set of Strings with the coverage's SRSs. |
|
328 |
* @param coverage name (string) |
|
329 |
* @return ArrayList |
|
330 |
*/ |
|
331 |
public ArrayList getSRSs(String coverageName) { |
|
332 |
if (getCoverages().containsKey(coverageName)) { |
|
333 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getSRSs(); |
|
334 |
} |
|
335 |
return null; |
|
336 |
} |
|
337 |
|
|
338 |
/** |
|
339 |
* Returns a String containing a description of an specific coverage. |
|
340 |
* @param coverage name (string) |
|
341 |
* @return string |
|
342 |
*/ |
|
343 |
public String getCoverageDescription(String coverageName) { |
|
344 |
if (getCoverages().containsKey(coverageName)) { |
|
345 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getDescription(); |
|
346 |
} |
|
347 |
return null; |
|
348 |
} |
|
349 |
|
|
350 |
/** |
|
351 |
* Returns an ArrayList containing strings for the time positions of an |
|
352 |
* specific coverage given by the coverage's name. |
|
353 |
* @param coverage name (string) |
|
354 |
* @return ArrayList |
|
355 |
*/ |
|
356 |
public ArrayList getTimes(String coverageName) { |
|
357 |
if (getCoverages().containsKey(coverageName)) { |
|
358 |
return ((WCSLayerNode) getCoverages().get(coverageName)).getTimePositions(); |
|
359 |
} |
|
360 |
return null; |
|
361 |
} |
|
362 |
|
|
363 |
/** |
|
364 |
* Sends a GetCoverage request to the client. |
|
365 |
* @param status |
|
366 |
* @return |
|
367 |
* @throws WCSException |
|
368 |
*/ |
|
369 |
public File getCoverage(WCSStatus status, ICancellable cancel) throws RemoteServiceException { |
|
370 |
try { |
|
371 |
return client.getCoverage(status, cancel); |
|
372 |
} catch (ServerErrorException e) { |
|
373 |
throw new RemoteServiceException(getName(), e); |
|
374 |
} catch (org.gvsig.remoteclient.exceptions.WCSException e) { |
|
375 |
throw new RemoteServiceException(e.getMessage(), e); |
|
376 |
} |
|
377 |
} |
|
378 |
|
|
379 |
/** |
|
380 |
* Sends a GetCoverage request to the client. |
|
381 |
* @param status |
|
382 |
* @return |
|
383 |
* @throws WCSException |
|
384 |
*/ |
|
385 |
public void getCoverageURL(WCSStatus status, ICancellable cancel, File file) throws RemoteServiceException { |
|
386 |
try { |
|
387 |
URL url = client.getCoverageURL(status, cancel); |
|
388 |
downloadFile(url, file, cancel); |
|
389 |
String exceptionMessage = client.getExceptionMessage(file); |
|
390 |
if(exceptionMessage != null) |
|
391 |
throw new RemoteServiceException(exceptionMessage); |
|
392 |
} catch(IOException e) { |
|
393 |
throw new RemoteServiceException("WCS: error downloading the file. File:" + file.getAbsolutePath() + "...." + e.getMessage(),e); |
|
394 |
} catch (ServerErrorException e) { |
|
395 |
throw new RemoteServiceException("WCS Unexpected server error."+e.getMessage(),e); |
|
396 |
// } catch (org.gvsig.remoteclient.exceptions.WMSException e) { |
|
397 |
// throw new RemoteServiceException(e.getMessage()); |
|
398 |
} |
|
399 |
} |
|
400 |
|
|
401 |
public void downloadFile(URL url, File dstFile, ICancellable cancel) throws IOException { |
|
402 |
Preferences prefs = Preferences.userRoot().node( "gvsig.downloader" ); |
|
403 |
// by default 1 minute (60000 milliseconds. |
|
404 |
int timeout = prefs.getInt("timeout", 60000); |
|
405 |
|
|
406 |
DataOutputStream dos; |
|
407 |
DataInputStream is; |
|
408 |
OutputStreamWriter os = null; |
|
409 |
HttpURLConnection connection = null; |
|
410 |
//If the used protocol is HTTPS |
|
411 |
if (url.getProtocol().equals("https")) { |
|
412 |
try { |
|
413 |
disableHttsValidation(); |
|
414 |
} catch (KeyManagementException e) { |
|
415 |
e.printStackTrace(); |
|
416 |
} catch (NoSuchAlgorithmException e) { |
|
417 |
e.printStackTrace(); |
|
418 |
} |
|
419 |
} |
|
420 |
connection = (HttpURLConnection)url.openConnection(); |
|
421 |
connection.setConnectTimeout(timeout); |
|
422 |
is = new DataInputStream(url.openStream()); |
|
423 |
|
|
424 |
dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(dstFile))); |
|
425 |
byte[] buffer = new byte[1024 * 4]; |
|
426 |
|
|
427 |
|
|
428 |
long readed = 0; |
|
429 |
for (int i = is.read(buffer); i > 0; i = is.read(buffer)){ |
|
430 |
dos.write(buffer, 0, i); |
|
431 |
readed += i; |
|
432 |
if(cancel != null && cancel.isCanceled()) |
|
433 |
return; |
|
434 |
} |
|
435 |
if(os != null) { |
|
436 |
os.close(); |
|
437 |
} |
|
438 |
dos.close(); |
|
439 |
is.close(); |
|
440 |
is = null; |
|
441 |
dos = null; |
|
442 |
} |
|
443 |
|
|
444 |
/** |
|
445 |
* This method disables the Https certificate validation. |
|
446 |
* @throws KeyManagementException |
|
447 |
* @throws NoSuchAlgorithmException |
|
448 |
*/ |
|
449 |
private void disableHttsValidation() throws KeyManagementException, NoSuchAlgorithmException{ |
|
450 |
// Create a trust manager that does not validate certificate chains |
|
451 |
TrustManager[] trustAllCerts = new TrustManager[] { |
|
452 |
new X509TrustManager() { |
|
453 |
public java.security.cert.X509Certificate[] getAcceptedIssuers() { |
|
454 |
return null; |
|
455 |
} |
|
456 |
public void checkClientTrusted( |
|
457 |
java.security.cert.X509Certificate[] certs, String authType) { |
|
458 |
} |
|
459 |
public void checkServerTrusted( |
|
460 |
java.security.cert.X509Certificate[] certs, String authType) { |
|
461 |
} |
|
462 |
} |
|
463 |
}; |
|
464 |
|
|
465 |
// Install the all-trusting trust manager |
|
466 |
SSLContext sc = SSLContext.getInstance("SSL"); |
|
467 |
sc.init(null, trustAllCerts, new java.security.SecureRandom()); |
|
468 |
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory()); |
|
469 |
} |
|
470 |
|
|
471 |
} |
|
0 | 472 |
org.gvsig.raster.wcs/tags/org.gvsig.raster.wcs-2.2.129/org.gvsig.raster.wcs.io/src/main/java/org/gvsig/raster/wcs/io/WCSProvider.java | ||
---|---|---|
1 |
package org.gvsig.raster.wcs.io; |
|
2 |
|
|
3 |
import java.awt.Rectangle; |
|
4 |
import java.awt.geom.AffineTransform; |
|
5 |
import java.awt.geom.NoninvertibleTransformException; |
|
6 |
import java.awt.geom.Point2D; |
|
7 |
import java.awt.geom.Rectangle2D; |
|
8 |
import java.io.File; |
|
9 |
import java.io.IOException; |
|
10 |
import java.net.URI; |
|
11 |
import java.net.URISyntaxException; |
|
12 |
import java.net.URL; |
|
13 |
import java.util.ArrayList; |
|
14 |
import java.util.Hashtable; |
|
15 |
|
|
16 |
import org.apache.commons.io.FilenameUtils; |
|
17 |
import org.apache.commons.lang3.StringUtils; |
|
18 |
import org.slf4j.Logger; |
|
19 |
import org.slf4j.LoggerFactory; |
|
20 |
|
|
21 |
import org.gvsig.fmap.dal.DALLocator; |
|
22 |
import org.gvsig.fmap.dal.DataStore; |
|
23 |
import org.gvsig.fmap.dal.DataStoreParameters; |
|
24 |
import org.gvsig.fmap.dal.coverage.RasterLocator; |
|
25 |
import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
|
26 |
import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
|
27 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
|
28 |
import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
|
29 |
import org.gvsig.fmap.dal.coverage.exception.BandNotFoundInListException; |
|
30 |
import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
|
31 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
|
32 |
import org.gvsig.fmap.dal.coverage.exception.InvalidSourceException; |
|
33 |
import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
|
34 |
import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
|
35 |
import org.gvsig.fmap.dal.coverage.exception.QueryException; |
|
36 |
import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
|
37 |
import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException; |
|
38 |
import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
|
39 |
import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
|
40 |
import org.gvsig.fmap.dal.coverage.store.props.HistogramComputer; |
|
41 |
import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
|
42 |
import org.gvsig.fmap.dal.exception.InitializeException; |
|
43 |
import org.gvsig.fmap.dal.exception.OpenException; |
|
44 |
import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
|
45 |
import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
|
46 |
import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
|
47 |
import org.gvsig.metadata.MetadataLocator; |
|
48 |
import org.gvsig.raster.cache.tile.provider.TileServer; |
|
49 |
import org.gvsig.raster.impl.buffer.SpiRasterQuery; |
|
50 |
import org.gvsig.raster.impl.datastruct.BandListImpl; |
|
51 |
import org.gvsig.raster.impl.datastruct.DatasetBandImpl; |
|
52 |
import org.gvsig.raster.impl.datastruct.ExtentImpl; |
|
53 |
import org.gvsig.raster.impl.provider.AbstractRasterProvider; |
|
54 |
import org.gvsig.raster.impl.provider.RasterProvider; |
|
55 |
import org.gvsig.raster.impl.provider.RemoteRasterProvider; |
|
56 |
import org.gvsig.raster.impl.store.DefaultRasterStore; |
|
57 |
import org.gvsig.raster.impl.store.DefaultStoreFactory; |
|
58 |
import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
|
59 |
import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
|
60 |
import org.gvsig.raster.impl.store.properties.RemoteDataStoreStatistics; |
|
61 |
import org.gvsig.raster.impl.store.properties.RemoteStoreHistogram; |
|
62 |
import org.gvsig.raster.util.DefaultProviderServices; |
|
63 |
import org.gvsig.raster.wcs.io.downloader.WCSTileServer; |
|
64 |
import org.gvsig.remoteclient.wcs.WCSStatus; |
|
65 |
import org.gvsig.tools.ToolsLocator; |
|
66 |
/** |
|
67 |
* Clase que representa al driver de acceso a datos de wcs. |
|
68 |
* |
|
69 |
* @author Nacho Brodin (nachobrodin@gmail.com) |
|
70 |
*/ |
|
71 |
public class WCSProvider extends AbstractRasterProvider implements RemoteRasterProvider { |
|
72 |
public static String NAME = "Wcs Store"; |
|
73 |
public static String DESCRIPTION = "Wcs Raster file"; |
|
74 |
public static final String METADATA_DEFINITION_NAME = "WcsStore"; |
|
75 |
|
|
76 |
private Extent viewRequest = null; |
|
77 |
private static Hashtable<URL, WCSConnector> |
|
78 |
drivers = new Hashtable<URL, WCSConnector> (); |
|
79 |
private boolean open = false; |
|
80 |
private DataStoreTransparency fileTransparency = null; |
|
81 |
private File lastRequest = null; |
|
82 |
private AbstractRasterProvider lastRequestProvider = null; |
|
83 |
private static final Logger logger = LoggerFactory.getLogger(WCSProvider.class); |
|
84 |
|
|
85 |
public static void register() { |
|
86 |
DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
|
87 |
if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
|
88 |
dataman.registerStoreProvider(NAME, |
|
89 |
WCSProvider.class, WCSDataParametersImpl.class); |
|
90 |
} |
|
91 |
|
|
92 |
if (!dataman.getExplorerProviders().contains(NAME)) { |
|
93 |
dataman.registerExplorerProvider(NAME, WCSServerExplorer.class, WCSServerExplorerParameters.class); |
|
94 |
} |
|
95 |
dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
|
96 |
} |
|
97 |
|
|
98 |
public WCSProvider() throws NotSupportedExtensionException { |
|
99 |
super(); |
|
100 |
} |
|
101 |
|
|
102 |
/** |
|
103 |
* Constructor. Abre el dataset. |
|
104 |
* @throws OpenException |
|
105 |
* @throws NotSupportedExtensionException |
|
106 |
* @deprecated use {@link #WCSProvider(URI)}, this constructor will be removed in gvSIG 2.5 |
|
107 |
*/ |
|
108 |
public WCSProvider(String params) throws InitializeException, OpenException { |
|
109 |
super(params); |
|
110 |
logger.info("Deprecated use of WCSProvider constructor"); |
|
111 |
if(params instanceof String) { |
|
112 |
WCSDataParametersImpl p = new WCSDataParametersImpl(); |
|
113 |
try { |
|
114 |
p.setURI(new URI((String) params)); |
|
115 |
} catch (URISyntaxException e) { |
|
116 |
throw new OpenException("Can't create URI from" + (String) params, e); |
|
117 |
} |
|
118 |
super.init(p, null, ToolsLocator.getDynObjectManager() |
|
119 |
.createDynObject( |
|
120 |
MetadataLocator.getMetadataManager().getDefinition( |
|
121 |
DataStore.METADATA_DEFINITION_NAME))); |
|
122 |
init(p, null); |
|
123 |
} |
|
124 |
} |
|
125 |
|
|
126 |
public WCSProvider(URI uri) throws InitializeException, OpenException { |
|
127 |
super(uri); |
|
128 |
WCSDataParametersImpl p = new WCSDataParametersImpl(); |
|
129 |
p.setURI(uri); |
|
130 |
super.init( |
|
131 |
p, |
|
132 |
null, |
|
133 |
ToolsLocator.getDynObjectManager().createDynObject( |
|
134 |
MetadataLocator.getMetadataManager().getDefinition(DataStore.METADATA_DEFINITION_NAME))); |
|
135 |
init(p, null); |
|
136 |
} |
|
137 |
|
|
138 |
public WCSProvider(WCSDataParametersImpl params, |
|
139 |
DataStoreProviderServices storeServices) throws InitializeException { |
|
140 |
super(params, storeServices, ToolsLocator.getDynObjectManager() |
|
141 |
.createDynObject( |
|
142 |
MetadataLocator.getMetadataManager().getDefinition( |
|
143 |
DataStore.METADATA_DEFINITION_NAME))); |
|
144 |
init(params, storeServices); |
|
145 |
} |
|
146 |
|
|
147 |
/** |
|
148 |
* Gets the connector from the URL |
|
149 |
* @return |
|
150 |
* @throws RemoteServiceException |
|
151 |
*/ |
|
152 |
public WCSConnector getConnector() throws RemoteServiceException { |
|
153 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
154 |
URL url = null; |
|
155 |
try { |
|
156 |
url = p.getURI().toURL(); |
|
157 |
} catch (Exception e) { |
|
158 |
throw new RemoteServiceException("Malformed URL",e); |
|
159 |
} |
|
160 |
try { |
|
161 |
return WCSProvider.getConnectorFromURL(url); |
|
162 |
} catch (IOException e) { |
|
163 |
throw new RemoteServiceException("Error getting the connector",e); |
|
164 |
} |
|
165 |
} |
|
166 |
|
|
167 |
/** |
|
168 |
* Crea las referencias al fichero y carga |
|
169 |
* las estructuras con la informaci?n y los metadatos. |
|
170 |
* @param proj Proyecci?n |
|
171 |
* @param param Parametros de carga |
|
172 |
* @throws NotSupportedExtensionException |
|
173 |
* @throws RasterDriverException |
|
174 |
*/ |
|
175 |
public void init (DataStoreParameters params, |
|
176 |
DataStoreProviderServices storeServices) throws InitializeException { |
|
177 |
setParam(storeServices, params); |
|
178 |
open = true; |
|
179 |
try { |
|
180 |
loadInitialInfo(); |
|
181 |
} catch (RasterDriverException e) { |
|
182 |
throw new InitializeException(e.getMessage(), e); |
|
183 |
} |
|
184 |
|
|
185 |
stats = new RemoteDataStoreStatistics(this); |
|
186 |
} |
|
187 |
|
|
188 |
public static final WCSConnector getConnectorFromURL(URL url) throws IOException { |
|
189 |
WCSConnector drv = (WCSConnector) drivers.get(url); |
|
190 |
if (drv == null) { |
|
191 |
drv = new WCSConnector(url); |
|
192 |
drivers.put(url, drv); |
|
193 |
} |
|
194 |
return drv; |
|
195 |
} |
|
196 |
|
|
197 |
/** |
|
198 |
* Obtiene el objeto que contiene que contiene la interpretaci?n de |
|
199 |
* color por banda |
|
200 |
* @return |
|
201 |
*/ |
|
202 |
public ColorInterpretation getColorInterpretation() { |
|
203 |
if(super.getColorInterpretation() == null) { |
|
204 |
ColorInterpretation colorInterpretation = new DataStoreColorInterpretation(); |
|
205 |
colorInterpretation.initColorInterpretation(getBandCount()); |
|
206 |
if(getBandCount() == 3) { |
|
207 |
colorInterpretation = DataStoreColorInterpretation.createRGBInterpretation(); |
|
208 |
} else { |
|
209 |
for (int i = 0; i < getBandCount(); i++) { |
|
210 |
colorInterpretation.setColorInterpValue(i, DataStoreColorInterpretation.GRAY_BAND); |
|
211 |
} |
|
212 |
} |
|
213 |
setColorInterpretation(colorInterpretation); |
|
214 |
} |
|
215 |
return super.getColorInterpretation(); |
|
216 |
} |
|
217 |
|
|
218 |
/** |
|
219 |
* Gets WCS parameters |
|
220 |
* @return |
|
221 |
*/ |
|
222 |
public WCSDataParameters getParameters() { |
|
223 |
return (WCSDataParameters)parameters; |
|
224 |
} |
|
225 |
|
|
226 |
public AffineTransform getAffineTransform() { |
|
227 |
Extent e = getExtent(); |
|
228 |
double resolutionX = e.width() / getWidth(); |
|
229 |
double resolutionY = e.height() / getHeight(); |
|
230 |
|
|
231 |
|
|
232 |
ownTransformation = new AffineTransform( |
|
233 |
resolutionX, // ESCALADO en X |
|
234 |
0, // CIZALLAMIENTO de la Y |
|
235 |
0, // CIZALLAMIENTO de la X |
|
236 |
-resolutionY, // ESCALADO en Y |
|
237 |
e.getULX() - (resolutionX / 2), // TRASLACION en X |
|
238 |
e.getULY() - (resolutionY / 2)); // TRASLACION en Y |
|
239 |
|
|
240 |
externalTransformation = (AffineTransform) ownTransformation.clone(); |
|
241 |
return ownTransformation; |
|
242 |
} |
|
243 |
|
|
244 |
/** |
|
245 |
* Calcula el extent en coordenadas del mundo real |
|
246 |
* @return Extent |
|
247 |
*/ |
|
248 |
public Extent getExtent() { |
|
249 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
250 |
try { |
|
251 |
p.setFormat("image/tiff"); |
|
252 |
if(p.getSRSCode() == null){ |
|
253 |
WCSConnector connector = WCSProvider.getConnectorFromURL(p.getURI().toURL()); |
|
254 |
ArrayList srs = connector.getSRSs(p.getCoverageName()); |
|
255 |
if(!srs.isEmpty() && !StringUtils.isBlank((String)srs.get(0))){ |
|
256 |
p.setSRSID((String) srs.get(0)); |
|
257 |
}else{ |
|
258 |
return null; |
|
259 |
} |
|
260 |
} |
|
261 |
Rectangle2D r = getConnector().getFullExtent(p.getCoverageName(), p.getSRSCode()); |
|
262 |
if(r == null) |
|
263 |
return null; |
|
264 |
return new ExtentImpl(r.getX(), r.getY() + r.getHeight(), r.getX() + r.getWidth(), r.getY()); |
|
265 |
} catch (RemoteServiceException e1) { |
|
266 |
e1.printStackTrace(); |
|
267 |
} catch (IOException e) { |
|
268 |
e.printStackTrace(); |
|
269 |
} |
|
270 |
return null; |
|
271 |
} |
|
272 |
|
|
273 |
public Rectangle2D getLayerExtent(String layerName, String srs) throws RemoteServiceException { |
|
274 |
return null; |
|
275 |
} |
|
276 |
|
|
277 |
public RasterProvider load() { |
|
278 |
return this; |
|
279 |
} |
|
280 |
|
|
281 |
public boolean isOpen() { |
|
282 |
return open; |
|
283 |
} |
|
284 |
|
|
285 |
public void close() { |
|
286 |
open = false; |
|
287 |
} |
|
288 |
|
|
289 |
public Transparency getTransparency() { |
|
290 |
if(fileTransparency == null) |
|
291 |
fileTransparency = new DataStoreTransparency(getColorInterpretation()); |
|
292 |
return fileTransparency; |
|
293 |
} |
|
294 |
|
|
295 |
public URI translateURI(URI uri) { |
|
296 |
return uri; |
|
297 |
} |
|
298 |
|
|
299 |
public void setView(Extent e) { |
|
300 |
viewRequest = e; |
|
301 |
} |
|
302 |
|
|
303 |
public Extent getView() { |
|
304 |
return viewRequest; |
|
305 |
} |
|
306 |
|
|
307 |
public double getWidth() { |
|
308 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
309 |
try { |
|
310 |
return getConnector().getWidth(p.getCoverageName()); |
|
311 |
} catch (RemoteServiceException e) { |
|
312 |
e.printStackTrace(); |
|
313 |
} |
|
314 |
return 0; |
|
315 |
} |
|
316 |
|
|
317 |
public double getHeight() { |
|
318 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
319 |
try { |
|
320 |
return getConnector().getHeight(p.getCoverageName()); |
|
321 |
} catch (RemoteServiceException e) { |
|
322 |
e.printStackTrace(); |
|
323 |
} |
|
324 |
return 0; |
|
325 |
} |
|
326 |
|
|
327 |
public Object readCompleteLine(int line, int band) |
|
328 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
|
329 |
return null; |
|
330 |
} |
|
331 |
|
|
332 |
/** |
|
333 |
* When the remote layer has fixed size this method downloads the file and return its reference. |
|
334 |
* File layer has in the long side FIXED_SIZE pixels and the bounding box is complete. This file could be |
|
335 |
* useful to build an histogram or calculate statistics. This represents a sample of data. |
|
336 |
* @return |
|
337 |
* @throws RasterDriverException |
|
338 |
*/ |
|
339 |
public File getFileLayer() throws RasterDriverException { |
|
340 |
Extent e = getExtent(); |
|
341 |
Rectangle2D bBox = new Rectangle2D.Double(e.getULX(), e.getLRY(), e.width(), e.height()); |
|
342 |
WCSStatus wcsStatus = loadWCSStatus(bBox); |
|
343 |
|
|
344 |
return downloadFile(wcsStatus, e, (int)getWidth(), (int)getHeight()); |
|
345 |
} |
|
346 |
|
|
347 |
/** |
|
348 |
* Reads a complete block of data and returns an tridimensional array of the right type. This function is useful |
|
349 |
* to read a file very fast without setting a view. In a WCS service when the size is fixed then it will read the |
|
350 |
* entire image but when the source hasn't pixel size it will read a sample of data. This set of data will have |
|
351 |
* the size defined in FIXED_SIZE. |
|
352 |
* |
|
353 |
* @param pos Posici?n donde se empieza a leer |
|
354 |
* @param blockHeight Altura m?xima del bloque leido |
|
355 |
* @return Object que es un array tridimendional del tipo de datos del raster. (Bandas X Filas X Columnas) |
|
356 |
* @throws InvalidSetViewException |
|
357 |
* @throws FileNotOpenException |
|
358 |
* @throws RasterDriverException |
|
359 |
*/ |
|
360 |
public Object readBlock(int pos, int blockHeight, double scale) |
|
361 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException { |
|
362 |
File lastFile = getFileLayer(); |
|
363 |
BandList bandList = new BandListImpl(); |
|
364 |
for (int i = 0; i < 3; i++) { |
|
365 |
try { |
|
366 |
bandList.addBand(new DatasetBandImpl(lastFile.getPath(), pos, Buffer.TYPE_BYTE, 3)); |
|
367 |
} catch (BandNotFoundInListException e1) { |
|
368 |
} |
|
369 |
} |
|
370 |
bandList.setDrawableBands(new int[]{0, 1, 2}); |
|
371 |
|
|
372 |
try { |
|
373 |
lastRequestProvider = openLastRequest(); |
|
374 |
return lastRequestProvider.readBlock(pos, blockHeight, scale); |
|
375 |
} catch (ProviderNotRegisteredException exc) { |
|
376 |
throw new RasterDriverException("Error building GdalDriver", exc); |
|
377 |
} catch (InitializeException exc) { |
|
378 |
throw new RasterDriverException("Error building GdalDriver", exc); |
|
379 |
} |
|
380 |
} |
|
381 |
|
|
382 |
public double getLastRequestHeight() throws RasterDriverException { |
|
383 |
if(lastRequestProvider == null) { |
|
384 |
try { |
|
385 |
lastRequestProvider = openLastRequest(); |
|
386 |
} catch (ProviderNotRegisteredException e) { |
|
387 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
388 |
} catch (InitializeException e) { |
|
389 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
390 |
} |
|
391 |
} |
|
392 |
return lastRequestProvider.getHeight(); |
|
393 |
} |
|
394 |
|
|
395 |
public double getLastRequestWidth() throws RasterDriverException { |
|
396 |
if(lastRequestProvider == null) { |
|
397 |
try { |
|
398 |
lastRequestProvider = openLastRequest(); |
|
399 |
} catch (ProviderNotRegisteredException e) { |
|
400 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
401 |
} catch (InitializeException e) { |
|
402 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
403 |
} |
|
404 |
} |
|
405 |
return lastRequestProvider.getWidth(); |
|
406 |
} |
|
407 |
|
|
408 |
public File getLastRequest() { |
|
409 |
return lastRequest; |
|
410 |
} |
|
411 |
|
|
412 |
public Buffer getBufferLastRequest() throws ProcessInterruptedException, RasterDriverException { |
|
413 |
try { |
|
414 |
lastRequestProvider = openLastRequest(); |
|
415 |
|
|
416 |
/*BandList bandList = new BandListImpl(); |
|
417 |
for (int i = 0; i < lastRequestProvider.getBandCount(); i++) { |
|
418 |
try { |
|
419 |
bandList.addBand(new DatasetBandImpl(lastRequest.getPath(), i, Buffer.TYPE_BYTE, 3)); |
|
420 |
} catch (BandNotFoundInListException e1) { |
|
421 |
} |
|
422 |
} |
|
423 |
bandList.setDrawableBands(new int[]{0, 1, 2});*/ |
|
424 |
|
|
425 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
426 |
q.setAreaOfInterest(lastRequestProvider.getExtent(), |
|
427 |
(int)lastRequestProvider.getWidth(), |
|
428 |
(int)lastRequestProvider.getHeight()); |
|
429 |
q.setAllDrawableBands(); |
|
430 |
q.setAdjustToExtent(true); |
|
431 |
|
|
432 |
DefaultRasterStore store = new DefaultRasterStore(); |
|
433 |
store.setProvider(lastRequestProvider); |
|
434 |
return store.query(q); |
|
435 |
} catch (ProviderNotRegisteredException e) { |
|
436 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
437 |
} catch (InitializeException e) { |
|
438 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
439 |
} catch (QueryException e) { |
|
440 |
throw new RasterDriverException("Error reading data", e); |
|
441 |
} |
|
442 |
} |
|
443 |
|
|
444 |
/** |
|
445 |
* Opens the last request downloaded |
|
446 |
* @return |
|
447 |
* @throws ProviderNotRegisteredException |
|
448 |
* @throws InitializeException |
|
449 |
* @throws RasterDriverException |
|
450 |
*/ |
|
451 |
private AbstractRasterProvider openLastRequest() throws ProviderNotRegisteredException, InitializeException, RasterDriverException { |
|
452 |
if(lastRequestProvider != null) |
|
453 |
lastRequestProvider.close(); |
|
454 |
File lastFile = getFileLayer(); |
|
455 |
lastRequestProvider = DefaultProviderServices.loadProvider(new File(lastFile.getPath())); |
|
456 |
return lastRequestProvider; |
|
457 |
} |
|
458 |
|
|
459 |
public Object getData(int x, int y, int band) |
|
460 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException { |
|
461 |
int w = 25; |
|
462 |
int h = 25; |
|
463 |
|
|
464 |
Point2D p1 = rasterToWorld(new Point2D.Double(x, y)); |
|
465 |
Point2D p2 = rasterToWorld(new Point2D.Double(x + w, y + h)); |
|
466 |
Rectangle2D bBox = new Rectangle2D.Double(p1.getX(), p1.getY(), Math.abs(p1.getX() - p2.getX()), Math.abs(p1.getY() - p2.getY())); |
|
467 |
|
|
468 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
469 |
WCSStatus wcsStatus = new WCSStatus(); |
|
470 |
wcsStatus.setCoveraName(p.getCoverageName()); |
|
471 |
wcsStatus.setSrs(p.getSRSCode()); |
|
472 |
wcsStatus.setFormat(p.getFormat()); |
|
473 |
wcsStatus.setOnlineResource(p.getOnlineResource() != null ? (String) p.getOnlineResource().get("GetCoverage") : null); |
|
474 |
wcsStatus.setExtent(bBox); |
|
475 |
wcsStatus.setHeight(h); |
|
476 |
wcsStatus.setWidth(w); |
|
477 |
wcsStatus.setDepth(p.getDepth()); |
|
478 |
wcsStatus.setParameters(p.getParameter()); |
|
479 |
wcsStatus.setTime(p.getTime()); |
|
480 |
|
|
481 |
lastRequest = downloadFile(wcsStatus, p1.getX(), p1.getY(), p2.getX(), p2.getY(), w, h); |
|
482 |
|
|
483 |
AbstractRasterProvider driver = null; |
|
484 |
try { |
|
485 |
driver = DefaultProviderServices.loadProvider(new File(lastRequest.getPath())); |
|
486 |
/*Buffer buf = DefaultRasterManager.getInstance().createBuffer(getDataType()[0], w, h, getBandCount(), true); |
|
487 |
BandList bandList = new BandListImpl(); |
|
488 |
int[] drawable = new int[getBandCount()]; |
|
489 |
for (int i = 0; i < getBandCount(); i++) { |
|
490 |
try { |
|
491 |
bandList.addBand(new DatasetBandImpl(lastRequest.getPath(), i, getDataType()[i], getBandCount())); |
|
492 |
drawable[i] = i; |
|
493 |
} catch (BandNotFoundInListException e1) { |
|
494 |
} |
|
495 |
} |
|
496 |
bandList.setDrawableBands(drawable);*/ |
|
497 |
|
|
498 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
499 |
Rectangle r = new Rectangle(0, 0, 25, 25); |
|
500 |
q.setAreaOfInterest(r); |
|
501 |
q.setAllDrawableBands(); |
|
502 |
DefaultRasterStore store = new DefaultRasterStore(); |
|
503 |
store.setProvider(driver); |
|
504 |
|
|
505 |
Buffer buf = store.query(q); |
|
506 |
driver.close(); |
|
507 |
if(buf.getDataType() == Buffer.TYPE_BYTE) { |
|
508 |
return new Integer(buf.getElemByte(0, 0, band)); |
|
509 |
} |
|
510 |
if(buf.getDataType() == Buffer.TYPE_SHORT) { |
|
511 |
return new Integer(buf.getElemShort(0, 0, band)); |
|
512 |
} |
|
513 |
if(buf.getDataType() == Buffer.TYPE_INT) { |
|
514 |
return new Integer(buf.getElemInt(0, 0, band)); |
|
515 |
} |
|
516 |
if(buf.getDataType() == Buffer.TYPE_FLOAT) { |
|
517 |
return new Float(buf.getElemFloat(0, 0, band)); |
|
518 |
} |
|
519 |
if(buf.getDataType() == Buffer.TYPE_DOUBLE) { |
|
520 |
return new Double(buf.getElemDouble(0, 0, band)); |
|
521 |
} |
|
522 |
} catch(InitializeException e) { |
|
523 |
throw new RasterDriverException("", e); |
|
524 |
} catch (ProviderNotRegisteredException e) { |
|
525 |
throw new RasterDriverException("", e); |
|
526 |
} catch (ProcessInterruptedException e) { |
|
527 |
} catch (QueryException e) { |
|
528 |
throw new RasterDriverException("", e); |
|
529 |
} |
|
530 |
return null; |
|
531 |
} |
|
532 |
|
|
533 |
/** |
|
534 |
* Gets the georeferencing file name form a raster file |
|
535 |
* @param file |
|
536 |
* a raster file |
|
537 |
* @return |
|
538 |
* a georeferencing file |
|
539 |
*/ |
|
540 |
private String getWorldFile(String file){ |
|
541 |
String worldFile = file; |
|
542 |
int index = file.lastIndexOf("."); |
|
543 |
if (index > 0) { |
|
544 |
worldFile = file.substring(0, index) + getExtensionWorldFile(); |
|
545 |
} else { |
|
546 |
worldFile = file + getExtensionWorldFile(); |
|
547 |
} |
|
548 |
return worldFile; |
|
549 |
} |
|
550 |
|
|
551 |
/** |
|
552 |
* Obtiene la extensi?n del fichero de georreferenciaci?n |
|
553 |
* @return String con la extensi?n del fichero de georreferenciaci?n dependiendo |
|
554 |
* del valor del formato obtenido del servidor. Por defecto asignaremos un .wld |
|
555 |
*/ |
|
556 |
private String getExtensionWorldFile() { |
|
557 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
558 |
String extWorldFile = ".wld"; |
|
559 |
if(p.getFormat().equals("image/tif") || p.getFormat().equals("image/tiff")) { |
|
560 |
extWorldFile = ".tfw"; |
|
561 |
} |
|
562 |
return extWorldFile; |
|
563 |
} |
|
564 |
|
|
565 |
private WCSStatus loadWCSStatus(Rectangle2D bBox) { |
|
566 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
|
567 |
WCSStatus wcsStatus = new WCSStatus(); |
|
568 |
wcsStatus.setCoveraName(p.getCoverageName()); |
|
569 |
wcsStatus.setSrs(p.getSRSCode()); |
|
570 |
wcsStatus.setFormat(p.getFormat()); |
|
571 |
wcsStatus.setOnlineResource(p.getOnlineResource() != null ? (String) p.getOnlineResource().get("GetCoverage") : null); |
|
572 |
wcsStatus.setExtent(bBox); |
|
573 |
wcsStatus.setHeight(p.getHeight()); |
|
574 |
wcsStatus.setWidth(p.getWidth()); |
|
575 |
wcsStatus.setDepth(p.getDepth()); |
|
576 |
wcsStatus.setParameters(p.getParameter()); |
|
577 |
wcsStatus.setTime(p.getTime()); |
|
578 |
return wcsStatus; |
|
579 |
} |
|
580 |
|
|
581 |
public boolean needEnhanced() { |
|
582 |
return (getDataType()[0] != Buffer.TYPE_BYTE || |
|
583 |
(getBandCount() == 1 && getDataType()[0] == Buffer.TYPE_BYTE)); |
|
584 |
} |
|
585 |
|
|
586 |
/** |
|
587 |
* This function downloads the file and creates the georeferencing file |
|
588 |
* @param wcsStatus |
|
589 |
* @param ulx |
|
590 |
* @param uly |
|
591 |
* @param lrx |
|
592 |
* @param lry |
|
593 |
* @param w |
|
594 |
* @param h |
|
595 |
* @return |
|
596 |
* @throws RasterDriverException |
|
597 |
*/ |
|
598 |
private File downloadFile(WCSStatus wcsStatus, double ulx, double uly, double lrx, double lry, int w, int h) throws RasterDriverException { |
|
599 |
Extent extent = new ExtentImpl(ulx, uly, lrx, lry); |
|
600 |
return downloadFile(wcsStatus, extent, w, h); |
|
601 |
} |
|
602 |
|
|
603 |
/** |
|
604 |
* This function downloads the file and creates the georeferencing file |
|
605 |
* @param wcsStatus |
|
606 |
* @param ulx |
|
607 |
* @param uly |
|
608 |
* @param lrx |
|
609 |
* @param lry |
|
610 |
* @param w |
|
611 |
* @param h |
|
612 |
* @return |
|
613 |
* @throws RasterDriverException |
|
614 |
*/ |
|
615 |
private File downloadFile(WCSStatus wcsStatus, Extent extent, int w, int h) throws RasterDriverException { |
|
616 |
try { |
|
617 |
lastRequest = getConnector().getCoverage(wcsStatus, ((WCSDataParametersImpl)parameters).getCancellable()); |
|
618 |
} catch (RemoteServiceException e) { |
|
619 |
throw new RasterDriverException(e.getMessage(), e); |
|
620 |
} |
|
621 |
|
|
622 |
String nameWorldFile = getWorldFile(lastRequest.getPath()); |
|
623 |
try { |
|
624 |
fileUtil.createWorldFile(nameWorldFile, extent, w, h); |
|
625 |
} catch (IOException e) { |
|
626 |
throw new RasterDriverException("Error downloading file", e); |
|
627 |
} |
|
628 |
|
|
629 |
return lastRequest; |
|
630 |
} |
|
631 |
|
|
632 |
/** |
|
633 |
* Assigns the list of bands RGB and read a window of data |
|
634 |
* @param rasterBuf |
|
635 |
* @param bandList |
|
636 |
* @param lastFile |
|
637 |
* @param ulx |
|
638 |
* @param uly |
|
639 |
* @param lrx |
|
640 |
* @param lry |
|
641 |
* @return |
|
642 |
* @throws RasterDriverException |
|
643 |
* @throws ProcessInterruptedException |
|
644 |
*/ |
|
645 |
public Buffer getBuffer(BandList bandList, File lastFile, |
|
646 |
double ulx, double uly, double lrx, double lry) throws RasterDriverException, ProcessInterruptedException { |
|
647 |
try { |
|
648 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco |
|
649 |
/*String serverName = bandList.getBand(0).getFileName(); |
|
650 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
|
651 |
bandList.getBand(i).setFileName(lastFile.getPath()); |
|
652 |
}*/ |
|
653 |
|
|
654 |
AbstractRasterProvider driver = DefaultProviderServices.loadProvider(lastFile); |
|
655 |
|
|
656 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
|
657 |
q.setAreaOfInterest(new ExtentImpl(ulx, uly, lrx, lry)); |
|
658 |
q.setDrawableBands(bandList.getDrawableBands()); |
|
659 |
DefaultRasterStore store = new DefaultRasterStore(); |
|
660 |
store.setProvider(driver); |
|
661 |
Buffer buf = store.query(q); |
|
662 |
|
|
663 |
/*for (int i = 0; i < bandList.getBandCount(); i++) { |
|
664 |
bandList.getBand(i).setFileName(serverName); |
|
665 |
}*/ |
|
666 |
|
|
667 |
return buf; |
|
668 |
} catch (ProviderNotRegisteredException e) { |
|
669 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
670 |
} catch (InitializeException e) { |
|
671 |
throw new RasterDriverException("Error building GdalDriver", e); |
|
672 |
} catch (QueryException e) { |
|
673 |
throw new RasterDriverException("Error reading data", e); |
|
674 |
} |
|
675 |
} |
|
676 |
|
|
677 |
@Override |
|
678 |
public void loadBuffer(SpiRasterQuery query) |
|
679 |
throws ProcessInterruptedException, RasterDriverException { |
|
680 |
Extent ex = query.getAdjustedRequestBoundingBox(); |
|
681 |
WCSStatus wcsStatus = loadWCSStatus(ex.toRectangle2D()); |
|
682 |
|
|
683 |
lastRequest = downloadFile( |
|
684 |
wcsStatus, |
|
685 |
ex, |
|
686 |
query.getAdjustedBufWidth(), |
|
687 |
query.getAdjustedBufHeight()); |
|
688 |
|
|
689 |
if (lastRequest == null) { |
|
690 |
return; |
|
691 |
} |
|
692 |
|
|
693 |
try { |
Also available in: Unified diff