svn-gvsig-desktop / branches / v2_0_0_prep / applications / appCatalog / src / org / gvsig / catalog / protocols / HTTPGetProtocol.java @ 37871
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.catalog.protocols; |
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import java.io.File; |
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import java.net.URL; |
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import java.util.Collection; |
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import org.apache.commons.httpclient.NameValuePair; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.catalog.metadataxml.XMLTree; |
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import org.gvsig.remoteclient.utils.Utilities; |
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/**
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*
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*
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*
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* @author Jorge Piera Llodra (piera_jor@gva.es)
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*/
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public class HTTPGetProtocol implements IProtocols { |
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private static final Logger LOG = |
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LoggerFactory.getLogger(HTTPGetProtocol.class); |
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/**
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*
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*
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*
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* @return
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* @param url
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* @param object
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* @param firstRecord
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*/
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public Collection doQuery(URL url, Object object, int firstRecord) { |
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NameValuePair[] parameters = (NameValuePair[]) object; |
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File file = null; |
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String sUrl = "http://" + url.getHost() + ":" + |
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url.getPort() + url.getPath(); |
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sUrl = sUrl + createURLParams(parameters); |
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try {
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file = Utilities.downloadFile(new URL(sUrl), |
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"catalog-", null); |
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} catch (Exception e) { |
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LOG.error("Error sending the request", e);
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return null; |
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} |
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Collection col = new java.util.ArrayList(); |
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col.add(XMLTree.xmlToTree(file)); |
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return col;
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} |
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/**
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* Create and string for a list of params
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* @param params
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* @return
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*/
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private String createURLParams(NameValuePair[] params){ |
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StringBuffer buffer = new StringBuffer(); |
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for (int i=0 ; i<params.length ; i++){ |
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if (i==0){ |
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buffer.append("?");
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}else{
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buffer.append("&");
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} |
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buffer.append(params[i].getName()); |
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buffer.append("=");
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buffer.append(params[i].getValue()); |
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} |
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return buffer.toString();
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} |
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} |