svn-gvsig-desktop / tags / v1_0_RELEASE / libraries / libRemoteServices / src / org / gvsig / remoteClient / gml / schemas / XMLSchemasManager.java @ 9167
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package org.gvsig.remoteClient.gml.schemas; |
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import java.awt.geom.Rectangle2D; |
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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 java.util.Hashtable; |
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import java.util.StringTokenizer; |
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import org.gvsig.remoteClient.gml.GMLException; |
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import org.gvsig.remoteClient.gml.GMLTags; |
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import org.gvsig.remoteClient.gml.factories.XMLSchemasFactory; |
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import org.gvsig.remoteClient.utils.Utilities; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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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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/* CVS MESSAGES:
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*
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* $Id: XMLSchemasManager.java 9167 2006-12-04 16:01:24Z $
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* $Log$
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* Revision 1.2 2006-08-30 10:47:36 jorpiell
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* Añadido un File.separator en lugar de unas barras que impedia que funcioanra en linux
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*
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* Revision 1.1 2006/08/10 12:00:49 jorpiell
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* Primer commit del driver de Gml
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*
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*
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*/
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/**
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* This class represents a GML file header. It has
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* methods to parses the GML file header and retrieve
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* the namespaces and the attributes. If there is an schema
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* on the GML file, it has to manage it. It has to retrieve
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* the GML file version
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*
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* @author Jorge Piera Llodr� (piera_jor@gva.es)
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*/
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public class XMLSchemasManager { |
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private String version = null; |
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private File file = null; |
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private String targetNameSpace = null; |
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public XMLSchemasManager(File file) { |
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super();
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this.file = file;
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} |
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/**
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* It parses the GML header and returns the attributes
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* @param parser
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* Reader for the GML file
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* @throws IOException
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* @throws XmlPullParserException
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* @throws GMLException
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*/
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public void parse(XMLSchemaParser parser) throws XmlPullParserException, IOException, GMLException{ |
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parser.nextTag(); |
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for (int i=0 ; i<parser.getAttributeCount() ; i++){ |
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String attName = parser.getAttributeName(i);
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String attValue = parser.getAttributeValue(i);
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if (attName.compareTo(GMLTags.VERSION)==0){ |
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version = attValue; |
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break;
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} |
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if (attName.compareTo(GMLTags.XML_TARGET_NAMESPACE)==0){ |
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targetNameSpace = attValue; |
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break;
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} |
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String[] ns = attName.split(":"); |
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if ((ns.length>1) && (ns[0].compareTo(GMLTags.XML_NAMESPACE)==0)){ |
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parseNameSpace(ns[1],attValue);
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} |
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if ((ns.length>1) && (ns[1].compareTo(GMLTags.XML_SCHEMA_LOCATION)==0)){ |
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parseSchemaLocation(ns[0],attValue);
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} |
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} |
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} |
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/**
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* It parses an XML namespace tag
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* @param sNameSPace
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*/
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private void parseNameSpace(String xmlnsName,String xmlnsValue){ |
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XMLSchemasFactory.addType(xmlnsName,xmlnsValue); |
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} |
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/**
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* Parses the schema location attribute
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* @param schemas
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* XML attribute than contain the schema location info
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* @throws GMLException
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*/
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private void parseSchemaLocation(String namespace,String schemas) throws GMLException{ |
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StringTokenizer tokenizer = new StringTokenizer(schemas, " \t"); |
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while (tokenizer.hasMoreTokens()){
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String parent = tokenizer.nextToken();
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if (!tokenizer.hasMoreTokens()){
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throw new GMLException(GMLException.EXC_NO_SCHEMA); |
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} |
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String schema = tokenizer.nextToken();
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String name = XMLSchemasFactory.addSchemaLocation(namespace,parent,schema);
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parseSchema(schema,name); |
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} |
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} |
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/**
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* It Downloads the schemas and parses them
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* @param urlString
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* Schema to parse
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* @return
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*/
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private void parseSchema(String urlString,String nameSpace){ |
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if (urlString.indexOf("http://") != 0){ |
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File f = new File(urlString); |
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if (!(f.isAbsolute())){
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urlString = file.getParentFile().getAbsolutePath() + File.separator + urlString;
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f = new File(urlString); |
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} |
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new XMLSchemaParser().parse(f,nameSpace);
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}else{
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URL url;
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try {
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url = new URL(urlString); |
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File f = Utilities.downloadFile(url,"gml_schmema.xsd", null); |
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if (f == null){ |
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return;
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}else{
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new XMLSchemaParser().parse(f,nameSpace);
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} |
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}catch (MalformedURLException e1) { |
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// TODO Auto-generated catch block
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e1.printStackTrace(); |
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} catch (ConnectException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (UnknownHostException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (IOException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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} |
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/**
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* @return Returns the targetNameSpace.
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*/
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public String getTargetNameSpace() { |
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return targetNameSpace;
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} |
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/**
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* @return Returns the version.
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* TODO: Manage the different versions
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*/
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public String getVersion() { |
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if (version == null){ |
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return "2.1.2"; |
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} |
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return version;
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} |
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} |