svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.remoteclient / src / main / java / org / gvsig / remoteclient / ogc / request / OGCRequest.java @ 40559
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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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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package org.gvsig.remoteclient.ogc.request; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.ConnectException; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.net.UnknownHostException; |
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.compat.lang.StringUtils; |
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import org.gvsig.compat.net.ICancellable; |
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import org.gvsig.remoteclient.RemoteClientStatus; |
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import org.gvsig.remoteclient.ogc.OGCClientOperation; |
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import org.gvsig.remoteclient.ogc.OGCProtocolHandler; |
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import org.gvsig.remoteclient.utils.Utilities; |
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import org.gvsig.remoteclient.wfs.WFSOperation; |
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public abstract class OGCRequest { |
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protected RemoteClientStatus status = null; |
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protected OGCProtocolHandler protocolHandler = null; |
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protected boolean isDeleted = false; |
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protected static final String XMLTAG_STARTCHARACTER = "<"; |
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protected static final String XMLTAG_FINISHCHARACTER = "</"; |
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protected static final String XMLTAG_ENDCHARACTER = ">"; |
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private static final StringUtils stringUtils = CompatLocator.getStringUtils(); |
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public OGCRequest(RemoteClientStatus status, OGCProtocolHandler protocolHandler) {
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super();
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this.status = status;
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this.protocolHandler = protocolHandler;
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} |
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/**
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* Send a request to the server.
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* @return
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* The server reply
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* @throws IOException
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* @throws UnknownHostException
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* @throws ConnectException
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*/
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public File sendRequest(ICancellable cancel) throws ConnectException, UnknownHostException, IOException{ |
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//if the status is null is because is a GetCapabilities operation
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if (status != null){ |
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if (status.getProtocol() != OGCClientOperation.PROTOCOL_UNDEFINED){
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if (status.getProtocol() == OGCClientOperation.PROTOCOL_GET){
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String onlineResource = protocolHandler.getHost();
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String symbol = getSymbol(onlineResource);
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onlineResource = onlineResource + symbol; |
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return sendHttpGetRequest(onlineResource, cancel);
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}else{
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String onlineResource = protocolHandler.getHost();
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return sendHttpPostRequest(onlineResource);
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} |
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} |
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} |
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//if exists an online resource for the GET operation
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String onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_GET);
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if (onlineResource != null){ |
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String symbol = getSymbol(onlineResource);
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onlineResource = onlineResource + symbol; |
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return sendHttpGetRequest(onlineResource, cancel);
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} |
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//if exists an online resource for the POST operation
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onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_POST); |
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if (onlineResource != null){ |
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return sendHttpPostRequest(onlineResource);
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} |
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//If the online resource doesn't exist, it tries with the server URL and GET
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onlineResource = protocolHandler.getHost(); |
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String symbol = getSymbol(onlineResource);
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onlineResource = onlineResource + symbol; |
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return sendHttpGetRequest(onlineResource, cancel);
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} |
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protected abstract String getHttpGetRequest(String onlineResource); |
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protected abstract String getHttpPostRequest(String onlineResource); |
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protected abstract String getTempFilePrefix(); |
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protected abstract String getOperationName(); |
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protected abstract String getSchemaLocation(); |
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/**
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* @return the URL used in the HTTP get operation
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* @throws MalformedURLException
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*/
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public URL getURL() throws MalformedURLException{ |
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String onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_GET);
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if (onlineResource != null){ |
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String symbol = getSymbol(onlineResource);
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onlineResource = onlineResource + symbol; |
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return new URL(getHttpGetRequest(onlineResource)); |
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} |
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//If the online resource doesn't exist, it tries with the server URL and GET
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onlineResource = protocolHandler.getHost(); |
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String symbol = getSymbol(onlineResource);
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onlineResource = onlineResource + symbol; |
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return new URL(getHttpGetRequest(onlineResource)); |
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} |
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/**
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* Send a Http request using the get protocol
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* @param onlineResource
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* @return
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* @throws ConnectException
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* @throws UnknownHostException
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* @throws IOException
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*/
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private File sendHttpGetRequest(String onlineResource, ICancellable cancel) throws ConnectException, UnknownHostException, IOException{ |
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URL url = new URL(stringUtils.replaceAll(getHttpGetRequest(onlineResource), " ", "%20")); |
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if (isDeleted()){
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Utilities.removeURL(url);
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} |
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return Utilities.downloadFile(url, getTempFilePrefix(), cancel); |
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} |
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/**
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* Send a Http request using the post protocol
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* @param onlineResource
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* @return
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* @throws ConnectException
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* @throws UnknownHostException
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* @throws IOException
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*/
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private File sendHttpPostRequest(String onlineResource) throws ConnectException, UnknownHostException, IOException{ |
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URL url = new URL(onlineResource); |
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String data = getHttpPostRequest(onlineResource);
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if (isDeleted()){
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Utilities.removeURL(url+data);
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} |
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return Utilities.downloadFile(url, data, getTempFilePrefix(), null); |
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} |
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/**
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* Just for not repeat code. Gets the correct separator according
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* to the server URL
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* @param h
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* @return
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*/
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protected static String getSymbol(String h) { |
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String symbol;
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if (h.indexOf("?")==-1) |
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symbol = "?";
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else if (h.indexOf("?")!=h.length()-1) |
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symbol = "&";
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else
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symbol = "";
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return symbol;
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} |
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public boolean isDeleted() { |
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return isDeleted;
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} |
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public void setDeleted(boolean isDeleted) { |
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this.isDeleted = isDeleted;
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} |
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protected String createXMLStartTag(String tagName){ |
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return XMLTAG_STARTCHARACTER + tagName + XMLTAG_ENDCHARACTER;
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} |
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protected String createXMLEndtTag(String tagName){ |
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return XMLTAG_FINISHCHARACTER + tagName + XMLTAG_ENDCHARACTER;
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} |
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} |
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