root / branches / v2_0_0_prep / libraries / libGPE / src / org / gvsig / gpe / impl / DefaultGPEManager.java @ 28113
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 {Iver T.I.} {Task}
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*/
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package org.gvsig.gpe.impl; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.net.URI; |
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import java.util.ArrayList; |
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import java.util.Enumeration; |
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import java.util.Hashtable; |
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import java.util.Iterator; |
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import java.util.Properties; |
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import org.gvsig.gpe.GPEManager; |
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import org.gvsig.gpe.exceptions.ParserCreationException; |
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import org.gvsig.gpe.exceptions.ParserFileNotSupportedException; |
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import org.gvsig.gpe.exceptions.ParserMimetypeNotSupportedException; |
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import org.gvsig.gpe.exceptions.ParserNotRegisteredException; |
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import org.gvsig.gpe.exceptions.WriterHandlerCreationException; |
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import org.gvsig.gpe.exceptions.WriterHandlerMimeTypeNotSupportedException; |
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import org.gvsig.gpe.exceptions.WriterHandlerNotRegisteredException; |
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import org.gvsig.gpe.parser.GPEParser; |
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import org.gvsig.gpe.writer.GPEWriterHandler; |
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import org.gvsig.gpe.writer.GPEWriterHandlerImplementor; |
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import org.gvsig.gpe.writer.IGPEWriterHandlerImplementor; |
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/**
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public class DefaultGPEManager implements GPEManager { |
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private Hashtable parsers = new Hashtable(); |
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private Hashtable writers = new Hashtable(); |
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private Properties properties = new Properties(); |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addGpeParser(java.lang.String, java.lang.String, java.lang.Class)
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*/
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public void addGpeParser(String name, String description,Class clazz) throws ParserNotRegisteredException { |
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try{
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if (clazz != null){ |
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GPEParser parser = (GPEParser)clazz.getConstructor(null).newInstance(null); |
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parsers.put(name, parser); |
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} |
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}catch (Exception e){ |
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throw new ParserNotRegisteredException(clazz.getName()); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addGpeParser(java.lang.Class)
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*/
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public void addGpeParser(Class clazz) throws ParserNotRegisteredException { |
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try{
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if (clazz != null){ |
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GPEParser parser = (GPEParser)clazz.getConstructor(null).newInstance(null); |
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parsers.put(parser.getName(), parser); |
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} |
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}catch (Exception e){ |
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throw new ParserNotRegisteredException(clazz.getName()); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addParsersFile(java.io.File)
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*/
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public void addParsersFile(File file) throws FileNotFoundException, IOException{ |
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if (!file.exists()){
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return;
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} |
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Properties properties = new Properties(); |
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properties.load(new FileInputStream(file)); |
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for (Enumeration e = properties.keys(); e.hasMoreElements() ; ) { |
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String key = e.nextElement().toString();
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Class clazz;
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try {
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clazz = Class.forName(properties.getProperty(key).toString());
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addGpeParser(clazz); |
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} catch (ClassNotFoundException ex) { |
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//Next class
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} catch (ParserNotRegisteredException ex) {
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//Next class
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addWritersFile(java.io.File)
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*/
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public void addWritersFile(File file) throws FileNotFoundException, IOException{ |
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if (!file.exists()){
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return;
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} |
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Properties properties = new Properties(); |
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properties.load(new FileInputStream(file)); |
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for (Enumeration e = properties.keys(); e.hasMoreElements() ; ) { |
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String key = e.nextElement().toString();
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Class clazz;
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try {
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clazz = Class.forName(properties.getProperty(key).toString());
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addGpeWriterHandler(clazz); |
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} catch (ClassNotFoundException ex){ |
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//Next class
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} catch (WriterHandlerNotRegisteredException ex){
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//Next class
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getAllParsers()
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*/
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public GPEParser[] getAllParsers(){ |
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GPEParser[] auxParsers = new GPEParser[parsers.size()]; |
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Iterator it = parsers.keySet().iterator();
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int i=0; |
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while (it.hasNext()){
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String key = (String)it.next(); |
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auxParsers[i] = (GPEParser)parsers.get(key); |
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i++; |
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} |
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return auxParsers;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addGpeWriterHandler(java.lang.String, java.lang.String, java.lang.Class)
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*/
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public void addGpeWriterHandler(String name, String description,Class clazz) throws WriterHandlerNotRegisteredException { |
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try{
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if (clazz != null){ |
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GPEWriterHandlerImplementor writerImplementor = (GPEWriterHandlerImplementor)clazz.getConstructor(null).newInstance(null); |
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writers.put(name, writerImplementor); |
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} |
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}catch (Exception e){ |
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throw new WriterHandlerNotRegisteredException(clazz.getName()); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#addGpeWriterHandler(java.lang.Class)
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*/
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public void addGpeWriterHandler(Class clazz) throws WriterHandlerNotRegisteredException { |
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try{
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if (clazz != null){ |
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GPEWriterHandlerImplementor writerImplementor = (GPEWriterHandlerImplementor)clazz.getConstructor(null).newInstance(null); |
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writers.put(writerImplementor.getName(), writerImplementor); |
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} |
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}catch (Exception e){ |
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throw new WriterHandlerNotRegisteredException(clazz.getName()); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createParser(java.lang.String)
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*/
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public GPEParser createParser(String name) throws ParserCreationException { |
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Object parser = parsers.get(name);
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if (parser != null){ |
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return createNewParser((GPEParser)parser);
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}else{
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Exception e = new ParserNotRegisteredException(name); |
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throw new ParserCreationException(e); |
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} |
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} |
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private GPEParser createNewParser(GPEParser parser) throws ParserCreationException{ |
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try{
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return (GPEParser)parser.getClass().getConstructor(null).newInstance(null); |
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}catch (Exception e) { |
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throw new ParserCreationException(e); |
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} |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createParserByClass(java.lang.String)
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*/
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public GPEParser createParserByClass(String prefferredImplClassName) |
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throws ParserCreationException {
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Iterator it = parsers.keySet().iterator();
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int i=0; |
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while (it.hasNext()){
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String key = (String)it.next(); |
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GPEParser parser = (GPEParser)parsers.get(key); |
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if (parser.getClass().getName().equals(prefferredImplClassName)){
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return createNewParser(parser);
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} |
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} |
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throw new ParserNotRegisteredException(prefferredImplClassName) ; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createParser(java.net.URI)
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*/
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public GPEParser createParser(URI uri) throws ParserCreationException { |
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Iterator keys = parsers.keySet().iterator();
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while (keys.hasNext()){
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String key = (String)keys.next(); |
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GPEParser parser = (GPEParser)parsers.get(key); |
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if (parser.accept(uri)){
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return createNewParser(parser);
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} |
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} |
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throw new ParserFileNotSupportedException(uri); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createParserByMimeType(java.lang.String)
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*/
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public GPEParser createParserByMimeType(String mimeType) |
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throws ParserCreationException {
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Iterator it = parsers.keySet().iterator();
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int i=0; |
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while (it.hasNext()){
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String key = (String)it.next(); |
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GPEParser parser = (GPEParser)parsers.get(key); |
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if (parser.getFormat().equals(mimeType)){
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return createNewParser(parser);
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} |
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} |
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throw new ParserMimetypeNotSupportedException(mimeType); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createWriter(java.lang.String)
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*/
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public GPEWriterHandler createWriter(String name) throws WriterHandlerCreationException{ |
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Object writer = writers.get(name);
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if (writer != null){ |
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return createNewWriterHandler((IGPEWriterHandlerImplementor)writer);
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}else{
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Exception e = new WriterHandlerNotRegisteredException(name); |
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throw new WriterHandlerCreationException(e); |
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} |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createWriterByClass(java.lang.String)
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*/
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public GPEWriterHandler createWriterByClass(String prefferredImplClassName) |
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throws WriterHandlerCreationException {
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Iterator it = writers.keySet().iterator();
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ArrayList possibleWriters = new ArrayList(); |
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while (it.hasNext()){
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String key = (String)it.next(); |
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IGPEWriterHandlerImplementor implementor = (IGPEWriterHandlerImplementor)writers.get(key); |
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if (implementor.getClass().getName().equals(prefferredImplClassName)){
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return createNewWriterHandler(implementor);
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} |
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} |
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throw new WriterHandlerNotRegisteredException(prefferredImplClassName); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#createWriterByMimeType(java.lang.String)
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*/
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public GPEWriterHandler createWriterByMimeType(String mimeType) |
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throws WriterHandlerCreationException {
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Iterator it = writers.keySet().iterator();
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ArrayList possibleWriters = new ArrayList(); |
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while (it.hasNext()){
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String key = (String)it.next(); |
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IGPEWriterHandlerImplementor implementor = (IGPEWriterHandlerImplementor)writers.get(key); |
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if (implementor.getFormat().equals(mimeType)){
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return createNewWriterHandler(implementor);
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} |
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} |
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throw new WriterHandlerMimeTypeNotSupportedException(mimeType); |
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} |
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private GPEWriterHandler createNewWriterHandler(IGPEWriterHandlerImplementor gpeWriterHandlerImplementor) throws WriterHandlerCreationException{ |
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try{
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GPEWriterHandlerImplementor writerImplementor = (GPEWriterHandlerImplementor)gpeWriterHandlerImplementor.getClass().getConstructor(null).newInstance(null); |
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return new GPEWriterHandler(writerImplementor); |
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}catch (Exception e) { |
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throw new WriterHandlerCreationException(e); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getWriterHandlerByFormat(java.lang.String)
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*/
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public ArrayList getWriterHandlerByFormat(String format){ |
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Iterator it = writers.keySet().iterator();
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ArrayList possibleWriters = new ArrayList(); |
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while (it.hasNext()){
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String key = (String)it.next(); |
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IGPEWriterHandlerImplementor implementor = (IGPEWriterHandlerImplementor)writers.get(key); |
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if (format.toLowerCase().compareTo(format.toLowerCase()) == 0){ |
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possibleWriters.add(new GPEWriterHandler(implementor));
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} |
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} |
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return possibleWriters;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#accept(java.net.URI)
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*/
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public boolean accept(URI uri){ |
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Iterator keys = parsers.keySet().iterator();
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while (keys.hasNext()){
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GPEParser parser = (GPEParser)parsers.get(keys.next()); |
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if (parser.accept(uri)){
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return true; |
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} |
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} |
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return false; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getKeys()
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*/
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public Iterator getKeys(){ |
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return properties.keySet().iterator();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getStringProperty(java.lang.String)
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*/
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public String getStringProperty(String key){ |
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Object obj = getProperty(key);
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if (obj == null){ |
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return null; |
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} |
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return (String)obj; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getIntPropertyProperty(java.lang.String)
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*/
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public int getIntPropertyProperty(String key){ |
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Object obj = getProperty(key);
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if (obj == null){ |
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return -1; |
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} |
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if (obj instanceof Integer){ |
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return ((Integer)obj).intValue(); |
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}return -1; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getBooleanProperty(java.lang.String)
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*/
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public boolean getBooleanProperty(String key){ |
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Object obj = getProperty(key);
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if (obj == null){ |
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return false; |
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} |
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if (obj instanceof Boolean){ |
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return ((Boolean)obj).booleanValue(); |
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}return false; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#getProperty(java.lang.String)
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*/
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public Object getProperty(String key){ |
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return properties.get(key);
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gpe.GPEManager#setProperty(java.lang.String, java.lang.Object)
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*/
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public void setProperty(String key, Object value){ |
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properties.put(key, value); |
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} |
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} |
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