svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCServerExplorer.java @ 34129
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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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* 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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*
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*/
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package org.gvsig.fmap.dal.store.jdbc; |
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import java.sql.Connection; |
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import java.sql.DatabaseMetaData; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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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.DataStore; |
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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.exception.CloseException; |
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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.OpenException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.RemoveException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.NewFeatureStoreParameters; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.serverexplorer.db.spi.AbstractDBServerExplorer; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author jmvivo
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*
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*/
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public class JDBCServerExplorer extends AbstractDBServerExplorer |
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implements JDBCHelperUser {
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private static final Logger LOG = LoggerFactory |
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.getLogger(JDBCServerExplorer.class); |
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private static final String METADATA_COLUMN_TABLE_CATALOG = "TABLE_CAT"; |
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private static final String METADATA_COLUMN_TABLE_SCHEMA = "TABLE_SCHEM"; |
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private static final String METADATA_COLUMN_TABLE_NAME = "TABLE_NAME"; |
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public static final String NAME = "JDBCServerExplorer"; |
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protected JDBCHelper helper;
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private Boolean canAdd; |
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public JDBCServerExplorer(JDBCServerExplorerParameters 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.helper = createHelper();
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} |
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protected JDBCServerExplorerParameters getJDBCParameters() {
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return (JDBCServerExplorerParameters) getParameters();
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} |
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protected JDBCHelper createHelper() throws InitializeException { |
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return new JDBCHelper(this, getJDBCParameters()); |
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} |
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protected JDBCHelper getHelper() {
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return helper;
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} |
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public List list() throws DataException { |
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return this.list(MODE_ALL); |
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} |
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public List list(boolean showInformationDBTables) throws DataException { |
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return this.list(MODE_ALL, showInformationDBTables); |
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} |
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public List list(int mode) throws DataException { |
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JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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if (parameters.getShowInformationDBTables() != null) { |
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return this.list(mode, parameters.getShowInformationDBTables() |
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.booleanValue()); |
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} |
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Boolean show = (Boolean) parameters |
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.getDynClass() |
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.getDynField( |
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JDBCServerExplorerParameters.SHOWINFORMATIONDBTABLES_PARAMTER_NAME) |
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.getDefaultValue(); |
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if (show == null){ |
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show = Boolean.FALSE;
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} |
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return this.list(mode, show.booleanValue()); |
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} |
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protected DataManagerProviderServices getManager() {
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return (DataManagerProviderServices) DALLocator.getDataManager();
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} |
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public boolean hasGeometrySupport() { |
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return false; |
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} |
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public boolean closeResourceRequested(ResourceProvider resource) { |
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try {
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this.helper.close();
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} catch (CloseException e) {
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LOG.error("Exception in close Request", e);
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} |
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return !this.helper.isOpen(); |
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} |
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public void resourceChanged(ResourceProvider resource) { |
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// Nothing to do
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} |
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public void remove(DataStoreParameters dsp) throws RemoveException { |
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final JDBCStoreParameters dsParams =(JDBCStoreParameters) dsp;
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TransactionalAction action = new TransactionalAction() {
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public boolean continueTransactionAllowed() { |
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return false; |
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} |
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public Object action(Connection conn) throws DataException { |
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Statement st;
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try{
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st = conn.createStatement(); |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} |
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String sqlDrop = "Drop table " |
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+ dsParams.tableID(); |
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try{
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try{
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st.execute(sqlDrop); |
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} catch (SQLException e) { |
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throw new JDBCExecuteSQLException(sqlDrop, e); |
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} |
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} finally{
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try{ st.close(); } catch (SQLException e) {}; |
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} |
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return null; |
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} |
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}; |
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try {
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this.helper.doConnectionAction(action);
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} catch (Exception e) { |
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throw new RemoveException(this.getProviderName(), e); |
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} |
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} |
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public NewDataStoreParameters getAddParameters() throws DataException { |
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JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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JDBCNewStoreParameters params = new JDBCNewStoreParameters();
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params.setHost(parameters.getHost()); |
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params.setPort(parameters.getPort()); |
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params.setDBName(parameters.getDBName()); |
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params.setUser(parameters.getUser()); |
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params.setPassword(parameters.getPassword()); |
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params.setCatalog(parameters.getCatalog()); |
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params.setSchema(parameters.getSchema()); |
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params.setJDBCDriverClassName(parameters.getJDBCDriverClassName()); |
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params.setUrl(parameters.getUrl()); |
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params.setDefaultFeatureType(this.getServerExplorerProviderServices()
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.createNewFeatureType()); |
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return params;
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} |
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public void closeDone() throws DataException { |
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// Nothing to do
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} |
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public void opendDone() throws DataException { |
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// Nothin to do
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} |
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public DataStore open(DataStoreParameters dsp) throws DataException { |
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checkIsMine(dsp); |
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DataManager dataMan = DALLocator.getDataManager(); |
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DataStore store; |
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try {
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store = dataMan.openStore(dsp.getDataStoreName(), dsp); |
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} catch (ValidateDataParametersException e) {
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throw new InitializeException(e); |
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} |
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return store;
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} |
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protected void checkIsMine(DataStoreParameters dsp) { |
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if (!(dsp instanceof JDBCStoreParameters)) { |
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// FIXME Exception ???
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throw new IllegalArgumentException( |
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"not instance of FilesystemStoreParameters");
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} |
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// try {
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// dsp.validate();
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// } catch (ValidateDataParametersException e) {
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// throw new IllegalArgumentException("check parameters", e);
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// }
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JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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JDBCStoreParameters pgp = (JDBCStoreParameters) dsp; |
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if (!compare(pgp.getHost(), parameters.getHost())) {
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// FIXME Exception ???
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throw new IllegalArgumentException("wrong explorer: Host (mine: " |
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+ parameters.getHost() + " other:" + pgp.getHost() + ")"); |
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} |
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if (!compare(pgp.getPort(), parameters.getPort())) {
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// FIXME Exception ???
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throw new IllegalArgumentException("wrong explorer: Port (mine: " |
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+ parameters.getPort() + " other:" + pgp.getPort() + ")"); |
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} |
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if (!compare(pgp.getDBName(), parameters.getDBName())) {
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// FIXME Exception ???
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throw new IllegalArgumentException("wrong explorer: DBName (mine: " |
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+ parameters.getDBName() + " other:" + pgp.getDBName()
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+ ")");
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} |
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if (parameters.getCatalog() != null && !parameters.getCatalog().trim().equals("")) { |
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// implicit catalog
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if (!compare(pgp.getCatalog(), parameters.getCatalog())) {
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// FIXME Exception ???
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throw new IllegalArgumentException( |
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"wrong explorer: Catalog (mine: "
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+ parameters.getCatalog() + " other:"
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+ pgp.getCatalog() + ")");
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} |
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} |
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if (parameters.getSchema() != null && !parameters.getSchema().trim().equals("")) { |
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// implicit schema
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if (!compare(pgp.getSchema(), parameters.getSchema())) {
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// FIXME Exception ???
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throw new IllegalArgumentException( |
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"wrong explorer: Schema (mine: "
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+ parameters.getSchema() + " other:"
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+ pgp.getSchema() + ")");
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} |
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} |
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if (!compare(pgp.getJDBCDriverClassName(), parameters
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.getJDBCDriverClassName())) {
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// FIXME Exception ???
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throw new IllegalArgumentException( |
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"wrong explorer: JDBCDriverClassName");
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} |
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} |
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protected boolean compare(Object str1, Object str2) { |
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if (str1 == str2){
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return true; |
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} |
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if (str1 == null){ |
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return false; |
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} |
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return str1.equals(str2);
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} |
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protected JDBCStoreParameters createStoreParams()
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throws InitializeException, ProviderNotRegisteredException {
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DataManagerProviderServices manager = this.getManager();
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JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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JDBCStoreParameters orgParams = (JDBCStoreParameters) manager |
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.createStoreParameters(getStoreName()); |
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orgParams.setHost(parameters.getHost()); |
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orgParams.setPort(parameters.getPort()); |
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orgParams.setDBName(parameters.getDBName()); |
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orgParams.setUser(parameters.getUser()); |
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orgParams.setPassword(parameters.getPassword()); |
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orgParams.setCatalog(parameters.getCatalog()); |
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return orgParams;
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} |
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public List list(final int mode, final boolean showInformationDBTables) |
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throws DataException {
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final JDBCStoreParameters orgParams = createStoreParams();
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ConnectionAction action = new ConnectionAction() {
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public Object action(Connection conn) throws DataException { |
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String[] tableTypes = null; |
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if (!showInformationDBTables) {
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tableTypes = new String[] { "TABLE", "VIEW" }; |
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} |
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ResultSet result = null; |
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try {
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DatabaseMetaData metadata = conn.getMetaData();
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result = metadata.getTables(null, null, null, |
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tableTypes); |
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List<JDBCStoreParameters> paramList = new ArrayList<JDBCStoreParameters>(); |
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while (result.next()) {
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JDBCStoreParameters params = (JDBCStoreParameters) orgParams |
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.getCopy(); |
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params.setCatalog(result |
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.getString(METADATA_COLUMN_TABLE_CATALOG)); |
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params.setSchema(result |
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.getString(METADATA_COLUMN_TABLE_SCHEMA)); |
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params.setTable(result |
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.getString(METADATA_COLUMN_TABLE_NAME)); |
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paramList.add(params); |
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} |
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return paramList;
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} finally {
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if (result != null) { |
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try {
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result.close(); |
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} catch (Exception e) { |
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LOG.error("Error closing DatabaseMetadata "
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+ "getTables() Resultset", e);
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} |
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} |
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} |
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} |
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}; |
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try {
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return (List) helper.doConnectionAction(action); |
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} catch (Exception e) { |
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throw new ReadException(this.getProviderName(), e); |
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} |
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} |
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public void open() throws OpenException { |
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helper.open(); |
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} |
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public void close() throws CloseException { |
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helper.close(); |
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} |
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@Override
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protected void doDispose() throws BaseException { |
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helper.dispose(); |
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helper = null;
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} |
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public String getProviderName() { |
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return NAME;
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} |
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protected String getStoreName() { |
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return JDBCStoreProvider.NAME;
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} |
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public boolean canAdd() { |
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if (this.canAdd == null){ |
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ConnectionAction action = new ConnectionAction(){
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public Object action(Connection conn) throws DataException { |
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try {
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DatabaseMetaData metadata = conn.getMetaData();
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if (metadata.isReadOnly()) {
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return Boolean.FALSE; |
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} |
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return Boolean.TRUE; |
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} catch (SQLException e) { |
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throw new JDBCSQLException(e); |
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} |
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} |
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}; |
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try {
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this.canAdd = (Boolean) helper.doConnectionAction(action); |
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} catch (Exception e) { |
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// FIXME Exception
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throw new RuntimeException(e); |
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} |
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} |
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return this.canAdd.booleanValue(); |
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} |
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public FeatureType getFeatureType(DataStoreParameters dsp)
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throws DataException {
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checkIsMine(dsp); |
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// TODO: checks geometry columns and driver geometry supports
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EditableFeatureType edType = this.getServerExplorerProviderServices()
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.createNewFeatureType(); |
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helper.loadFeatureType(edType, (JDBCStoreParameters) dsp); |
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return edType;
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} |
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public boolean add(String providerName, NewDataStoreParameters ndsp, boolean overwrite) |
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throws DataException {
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/**
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* CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name (
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* { column_name data_type [ DEFAULT default_expr ] [ column_constraint
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* [ ... ] ] | table_constraint | LIKE parent_table [ { INCLUDING |
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* EXCLUDING } DEFAULTS ] } [, ... ] ) [ INHERITS ( parent_table [, ...
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* ] ) ] [ WITH OIDS | WITHOUT OIDS ] [ ON COMMIT { PRESERVE ROWS |
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* DELETE ROWS | DROP } ]
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*
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* where column_constraint is:
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*
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* [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE | PRIMARY
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* KEY | CHECK (expression) | REFERENCES reftable [ ( refcolumn ) ] [
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* MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON
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* UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY
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* DEFERRED | INITIALLY IMMEDIATE ]
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*
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* and table_constraint is:
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*
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* [ CONSTRAINT constraint_name ] { UNIQUE ( column_name [, ... ] ) |
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* PRIMARY KEY ( column_name [, ... ] ) | CHECK ( expression ) | FOREIGN
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* KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ...
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* ] ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE
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* action ] [ ON UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [
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* INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
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*/
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if (!(ndsp instanceof NewFeatureStoreParameters)) { |
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// FIXME exception
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throw new IllegalArgumentException(); |
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} |
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checkIsMine(ndsp); |
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NewFeatureStoreParameters nfdsp = (NewFeatureStoreParameters) ndsp; |
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StringBuilder sql = new StringBuilder(); |
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if (!nfdsp.isValid()) {
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// TODO Exception
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throw new InitializeException(this.getProviderName(), new Exception( |
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"Parameters not valid"));
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} |
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try {
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nfdsp.validate(); |
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} catch (ValidateDataParametersException e1) {
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throw new InitializeException(this.getProviderName(), e1); |
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} |
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FeatureType fType = nfdsp.getDefaultFeatureType(); |
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sql.append("Create table " + ((JDBCStoreParameters) ndsp).tableID()
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+ "(");
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Iterator attrs = fType.iterator();
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String sqlAttr;
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List sqlAttrs = new ArrayList(); |
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while (attrs.hasNext()) {
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sqlAttr = helper |
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.getSqlFieldDescription((FeatureAttributeDescriptor) attrs |
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.next()); |
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if (sqlAttr != null) { |
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sqlAttrs.add(sqlAttr); |
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} |
| 507 |
} |
| 508 |
|
| 509 |
helper.stringJoin(sqlAttrs, ", ", sql);
|
| 510 |
|
| 511 |
sql.append(")");
|
| 512 |
|
| 513 |
final String sqlCreate = sql.toString(); |
| 514 |
final List sqlAdditional = helper |
| 515 |
.getAdditionalSqlToCreate(ndsp, fType); |
| 516 |
|
| 517 |
TransactionalAction action = new TransactionalAction() {
|
| 518 |
|
| 519 |
public boolean continueTransactionAllowed() { |
| 520 |
// TODO Auto-generated method stub
|
| 521 |
return false; |
| 522 |
} |
| 523 |
|
| 524 |
public Object action(Connection conn) throws DataException { |
| 525 |
Statement st = null; |
| 526 |
|
| 527 |
try {
|
| 528 |
st = conn.createStatement(); |
| 529 |
} catch (SQLException e1) { |
| 530 |
throw new JDBCSQLException(e1); |
| 531 |
} |
| 532 |
String sql = null; |
| 533 |
|
| 534 |
try {
|
| 535 |
sql = sqlCreate; |
| 536 |
st.execute(sql); |
| 537 |
if (sqlAdditional != null) { |
| 538 |
Iterator iter = sqlAdditional.iterator();
|
| 539 |
while (iter.hasNext()) {
|
| 540 |
sql = (String) iter.next();
|
| 541 |
st.execute(sql); |
| 542 |
} |
| 543 |
} |
| 544 |
|
| 545 |
} catch (SQLException e) { |
| 546 |
throw new JDBCExecuteSQLException(sql, e); |
| 547 |
} finally {
|
| 548 |
try {
|
| 549 |
st.close(); |
| 550 |
} catch (SQLException e) { |
| 551 |
LOG.error("Exception clossing statement", e);
|
| 552 |
} |
| 553 |
; |
| 554 |
} |
| 555 |
|
| 556 |
return Boolean.TRUE; |
| 557 |
} |
| 558 |
|
| 559 |
}; |
| 560 |
|
| 561 |
Boolean result = Boolean.FALSE; |
| 562 |
|
| 563 |
try {
|
| 564 |
result = (Boolean) helper.doConnectionAction(action);
|
| 565 |
} catch (Exception e) { |
| 566 |
// FIXME Exception
|
| 567 |
throw new RuntimeException(e); |
| 568 |
} |
| 569 |
|
| 570 |
return result.booleanValue();
|
| 571 |
} |
| 572 |
|
| 573 |
public List getDataStoreProviderNames() { |
| 574 |
List x = new ArrayList(1); |
| 575 |
x.add(JDBCStoreProvider.NAME); |
| 576 |
return x;
|
| 577 |
} |
| 578 |
|
| 579 |
} |