Revision 11171 trunk/libraries/libGPE-GML/src/org/gvsig/gpe/xml/writer/GPEXmlWriterHandler.java

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GPEXmlWriterHandler.java
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import java.io.OutputStream;
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import java.io.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.writer.GPEWriterHandler;


  		




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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana


  		




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 *


  		




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 * $Id$


  		




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 * $Log$


  		




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 * Revision 1.1  2007-04-12 10:23:41  jorpiell


  		




  
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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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 * @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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	private Writer writer = null;


  		




  
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	protected Writer writer = null;


  		




  
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	private String targetNamespace = null;


  		




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	public GPEXmlWriterHandler(String format, File file) throws IOException {


  		




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		super(format, file);


  		




  
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	public GPEXmlWriterHandler(String format, File file,GPEErrorHandler errorHandler) throws IOException {


  		




  
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		super(format, file, errorHandler);


  		




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		writer = createWriter();


  		




  
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		initXmlHeader();


  		




  
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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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	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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