// $Id: ReverseCodeTableHash.java,v 1.1 2008/10/29 21:17:48 haschart Exp $
/**
* Copyright (C) 2002 Bas Peters
*
* This file is part of MARC4J
*
* MARC4J is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* MARC4J is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with MARC4J; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.marc4j.converter.impl;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URI;
import java.util.Hashtable;
import java.util.Vector;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.marc4j.MarcException;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
/**
* <p>
* <code>ReverseCodeTableHash</code> defines a data structure to facilitate
* UnicodeToAnsel character conversion.
* </p>
*
* @author Corey Keith
* @version $Revision: 1.1 $
*
* @see DefaultHandler
*/
public class ReverseCodeTableHash extends ReverseCodeTable {
protected static Hashtable charset = null;
protected static Vector combining = null;
public boolean isCombining(Character c)
{
return combining.contains(c);
}
public Hashtable getCharTable(Character c)
{
return (Hashtable) charset.get(c);
}
public ReverseCodeTableHash(InputStream byteStream) {
try {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
SAXParser saxParser = factory.newSAXParser();
XMLReader rdr = saxParser.getXMLReader();
InputSource src = new InputSource(byteStream);
ReverseCodeTableHandler saxUms = new ReverseCodeTableHandler();
rdr.setContentHandler(saxUms);
rdr.parse(src);
charset = saxUms.getCharSets();
combining = saxUms.getCombiningChars();
} catch (Exception e) {
throw new MarcException(e.getMessage(), e);
}
}
public ReverseCodeTableHash(String filename) {
try {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
SAXParser saxParser = factory.newSAXParser();
XMLReader rdr = saxParser.getXMLReader();
File file = new File(filename);
InputSource src = new InputSource(new FileInputStream(file));
ReverseCodeTableHandler saxUms = new ReverseCodeTableHandler();
rdr.setContentHandler(saxUms);
rdr.parse(src);
charset = saxUms.getCharSets();
combining = saxUms.getCombiningChars();
} catch (Exception e) {
throw new MarcException(e.getMessage(), e);
}
}
public ReverseCodeTableHash(URI uri) {
try {
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
SAXParser saxParser = factory.newSAXParser();
XMLReader rdr = saxParser.getXMLReader();
InputSource src = new InputSource(uri.toURL().openStream());
ReverseCodeTableHandler saxUms = new ReverseCodeTableHandler();
rdr.setContentHandler(saxUms);
rdr.parse(src);
charset = saxUms.getCharSets();
combining = saxUms.getCombiningChars();
} catch (Exception e) {
throw new MarcException(e.getMessage(), e);
}
}
}