/** * Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * • Apache License, version 2.0 * • Apache Software License, version 1.0 * • GNU Lesser General Public License, version 3 * • Mozilla Public License, versions 1.0, 1.1 and 2.0 * • Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public * License version 2 and the aforementioned licenses. * * As an exception to the terms of the GPL, you may copy, modify, * propagate, and distribute a work formed by combining 52°North WPS * GeoTools Modules with the Eclipse Libraries, or a work derivative of * such a combination, even if such copying, modification, propagation, or * distribution would otherwise violate the terms of the GPL. Nothing in * this exception exempts you from complying with the GPL in all respects * for all of the code used other than the Eclipse Libraries. You may * include this exception and its grant of permissions when you distribute * 52°North WPS GeoTools Modules. Inclusion of this notice with such a * distribution constitutes a grant of such permissions. If you do not wish * to grant these permissions, remove this paragraph from your * distribution. "52°North WPS GeoTools Modules" means the 52°North WPS * modules using GeoTools functionality - software licensed under version 2 * or any later version of the GPL, or a work based on such software and * licensed under the GPL. "Eclipse Libraries" means Eclipse Modeling * Framework Project and XML Schema Definition software distributed by the * Eclipse Foundation and licensed under the Eclipse Public License Version * 1.0 ("EPL"), or a work based on such software and licensed under the EPL. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. */ package org.n52.wps.io.datahandler.parser; import java.util.HashMap; import java.util.Map; import javax.xml.XMLConstants; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.xml.sax.Attributes; import org.xml.sax.SAXException; import org.xml.sax.helpers.DefaultHandler; /** * @author Theodor Foerster, ITC * */ public class GML2Handler extends DefaultHandler { private Logger LOGGER = LoggerFactory.getLogger(GML2Handler.class); // private static String SCHEMA = "http://www.opengis.net/wfs"; private String schemaUrl; private String nameSpaceURI; private boolean rootVisited = false; private Map<String, String> namespaces = new HashMap<String, String>(); @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { super.startElement(uri, localName, qName, attributes); if(rootVisited) { return; } // check if root is a xml-beans element. if(localName.equals("xml-fragment")) { return; } rootVisited = true; String schemaLocationAttr = attributes.getValue(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "schemaLocation"); if(schemaLocationAttr == null) { LOGGER.debug("schemaLocation attribute is not set correctly with namespace"); schemaLocationAttr = attributes.getValue("xsi:schemaLocation"); if(schemaLocationAttr == null){ schemaLocationAttr = attributes.getValue("schemaLocation"); } } String[] locationStrings = schemaLocationAttr.replace(" ", " ").split(" "); if(locationStrings.length % 2 != 0) { LOGGER.debug("schemaLocation does not reference locations correctly, odd number of whitespace separated addresses"); return; } for(int i = 0; i< locationStrings.length; i++) { if(i % 2 == 0 && !locationStrings[i].equals("http://www.opengis.net/wfs") && !locationStrings[i].equals("http://www.opengis.net/gml") && !locationStrings[i].equals("")){ nameSpaceURI = locationStrings[i]; schemaUrl = locationStrings[i + 1]; return; } } } public String getSchemaUrl(){ return schemaUrl; } @Override public void startPrefixMapping(String prefix, String uri) throws SAXException { super.startPrefixMapping(prefix, uri); namespaces.put(prefix, uri); } public String getNameSpaceURI() { return nameSpaceURI; } }