root / branches / v2_0_0_prep / libraries / libGPE / src / org / gvsig / gpe / parser / GPEParser.java @ 28113
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package org.gvsig.gpe.parser; |
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import java.io.InputStream; |
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import java.net.URI; |
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import org.gvsig.gpe.GPELocator; |
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import org.gvsig.gpe.GPEManager; |
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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: GPEParser.java 173 2007-11-06 12:10:57Z jpiera $
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* $Log$
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* Revision 1.14 2007/06/20 09:35:37 jorpiell
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* Add the javadoc comments
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*
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* Revision 1.13 2007/06/07 14:52:28 jorpiell
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* Add the schema support
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*
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* Revision 1.12 2007/05/09 06:54:07 jorpiell
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* Change the File by URI
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*
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* Revision 1.11 2007/05/07 07:06:26 jorpiell
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* Add a constructor with the name and the description fields
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*
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* Revision 1.10 2007/04/20 12:04:10 csanchez
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* Actualizacion protoripo libGPE, A?adidos test para el parser, parseo con XSOM
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*
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* Revision 1.9 2007/04/19 11:50:20 csanchez
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* Actualizacion protoripo libGPE
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*
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* Revision 1.8 2007/04/19 07:23:20 jorpiell
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* Add the add methods to teh contenhandler and change the register mode
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*
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* Revision 1.7 2007/04/14 16:06:13 jorpiell
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* The writer handler has been updated
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*
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* Revision 1.6 2007/04/13 07:17:54 jorpiell
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* Add the writting tests for the simple geometries
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*
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* Revision 1.5 2007/04/12 17:06:42 jorpiell
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* First GML writing tests
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*
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* Revision 1.4 2007/04/12 10:21:29 jorpiell
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* Add the getWriter() method
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*
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* Revision 1.3 2007/04/11 11:18:15 csanchez
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* Actualizacion protoripo libGPE
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*
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* Revision 1.2 2007/04/11 08:46:21 csanchez
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* Actualizacion protoripo libGPE
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*
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* Revision 1.1 2007/04/11 08:19:32 csanchez
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* actualizacion
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*
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*
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*/
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/**
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* This class has to be inherited by all the classes that
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* implements a parser for a geographical format. IT has methods
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* to indicate the formats and the versions that is able to
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* parse.
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* @author Jorge Piera Llodr? (jorge.piera@iver.es)
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* @author Carlos S?nchez Peri??n (sanchez_carper@gva.es)
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*/
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public abstract class GPEParser { |
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private IGPEErrorHandler errorHandler;
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private IGPEContentHandler contentHandler;
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private URI mainFile; |
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private InputStream is = null; |
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private GPEManager gpeManager = null; |
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/**
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* All the GPE parser must implement an empty constructor
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**/
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public GPEParser(){
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super();
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gpeManager = GPELocator.getGPEManager(); |
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} |
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/**
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* Method to parse a file. It cannot to throw
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* any exception and it cannot to return any value.
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* In a future it could be implemented like a independent
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* thread
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* @param contents
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* Application ContentHandler
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* @param errors
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* Application ErrorsHandler
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* @param uri
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* File to open
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* @throws Exception
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*/
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public void parse(IGPEContentHandler contents, IGPEErrorHandler errors, URI uri) { |
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this.contentHandler = contents;
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this.errorHandler = errors;
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this.mainFile = uri;
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parseURI(); |
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} |
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/**
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* Parses the file from a URI
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*/
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protected abstract void parseURI(); |
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/**
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* Method to parse an InputStream. It cannot to throw
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* any exception and it cannot to return any value.
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* In a future it could be implemented like a independent
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* thread
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* @param contents
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* Application ContentHandler
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* @param errors
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* Application ErrorsHandler
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* @param is
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* The input stream
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* @throws Exception
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*/
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public void parse(IGPEContentHandler contents, IGPEErrorHandler errors, InputStream is) { |
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this.contentHandler = contents;
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this.errorHandler = errors;
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this.is = is;
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parseStream(); |
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} |
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/**
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* Parses the file from an input stream
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*/
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protected abstract void parseStream(); |
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/**
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* Return if the driver can open the file
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* @param uri
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* File to open
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* @return
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* True if the driver is able to open it
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*/
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public abstract boolean accept(URI uri); |
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/**
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* Return the format that the driver
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* is able to read
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* @return
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*/
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public abstract String getFormat(); |
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/**
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* @return the contentHandler
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*/
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public IGPEContentHandler getContentHandler() {
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return contentHandler;
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} |
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/**
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* @return the errorHandler
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*/
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public IGPEErrorHandler getErrorHandler() {
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return errorHandler;
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} |
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/**
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* @return the file
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*/
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public URI getMainFile() { |
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return mainFile;
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} |
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/**
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* @return the description
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*/
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public abstract String getDescription(); |
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/**
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* @return the name
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*/
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public abstract String getName(); |
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/**
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* @return the is
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*/
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protected InputStream getInputStream() { |
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return is;
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} |
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/**
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* We need to find a better way to reuse or coupling parsers. This method was introduced for the
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* SLD parsing to grab a single geometry from a filter.
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*
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* @param is the is to set
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* @deprecated to avoid temporal coupling
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*/
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protected void setInputStream(InputStream is) { |
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this.is = is;
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} |
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/**
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* @param errorHandler the errorHandler to set
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*/
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public void setErrorHandler(GPEErrorHandler errorHandler) { |
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this.errorHandler = errorHandler;
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} |
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/**
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* @param contentHandler the contentHandler to set
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*/
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public void setContentHandler(GPEContentHandler contentHandler) { |
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this.contentHandler = contentHandler;
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} |
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/**
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* @return the gpeManager
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*/
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public GPEManager getGpeManager() {
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return gpeManager;
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} |
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} |