root / trunk / libraries / libGPE-GML / src / org / gvsig / gpe / xml / writer / GPEXmlWriterHandler.java @ 11210
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package org.gvsig.gpe.xml.writer; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import org.gvsig.gpe.xml.writer.Writer; |
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import org.apache.xml.utils.NameSpace; |
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import org.gvsig.gpe.GPEDefaults; |
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import org.gvsig.gpe.GPEErrorHandler; |
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import org.gvsig.gpe.writers.GPEWriterHandler; |
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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: GPEXmlWriterHandler.java 11210 2007-04-14 16:07:30Z jorpiell $
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* $Log$
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* Revision 1.4 2007-04-14 16:07:30 jorpiell
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* The writer has been created
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*
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* Revision 1.3 2007/04/13 07:17:57 jorpiell
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* Add the writting tests for the simple geometries
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*
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* Revision 1.2 2007/04/12 17:06:44 jorpiell
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* First GML writing tests
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*
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* Revision 1.1 2007/04/12 10:23:41 jorpiell
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* Add some writers and the GPEXml parser
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*
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*
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*/
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/**
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* @author Jorge Piera LLodr? (jorge.piera@iver.es)
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*/
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public abstract class GPEXmlWriterHandler extends GPEWriterHandler { |
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protected Writer writer = null; |
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private String targetNamespace = null; |
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public GPEXmlWriterHandler(String format, GPEErrorHandler errorHandler) { |
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super(format, errorHandler);
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try {
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writer = createWriter(); |
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initXmlHeader(); |
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} catch (IOException e) { |
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errorHandler.addError(e); |
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} |
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} |
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/**
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* Writes the XML header
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* @throws IOException
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*/
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private void initXmlHeader() throws IOException{ |
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writer.write("<?xml version=\"");
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writer.write(GPEDefaults.getProperty(GPEDefaults.XML_VERSION).toString()); |
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writer.write("\" encoding=\"");
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writer.write(GPEDefaults.getProperty(GPEDefaults.XML_ENCODING).toString()); |
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writer.write("\"?>");
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} |
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/**
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* Creates an input stream from a file.
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* @param file
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* @return
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* @throws FileNotFoundException
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* @throws FileNotFoundException
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*/
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protected abstract Writer createWriter() throws IOException; |
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/**
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* @return the outputStream
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*/
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protected Writer getWriter() { |
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return writer;
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} |
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/**
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* Returns the selected target namespace. If
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* the namespace doesn't exists it returns the
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* default Namespace (cit);
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* @return the namespace
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*/
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public String getNamespacePrefix() { |
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if (targetNamespace == null){ |
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String prefix = GPEDefaults.getProperty(GPEDefaults.NAMESPACE_PREFIX);
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if (prefix != null){ |
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targetNamespace = prefix + ":";
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}else{
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targetNamespace = "";
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} |
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} |
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return targetNamespace;
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} |
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} |
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