org.jlibrary.core.search.extraction.xml.XMLParser.java Source code

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Here is the source code for org.jlibrary.core.search.extraction.xml.XMLParser.java

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/*
* jLibrary, Open Source Document Management System
* 
* Copyright (c) 2003-2006, Martn Prez Marin, Blandware (represented by
* Andrey Grebnev), and individual contributors as indicated by the
* @authors tag. See copyright.txt in the distribution for a full listing of
* individual contributors. All rights reserved.
* 
* This is free software; you can redistribute it and/or modify it
* under the terms of the Modified BSD License as published by the Free 
* Software Foundation.
* 
* This software 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 Modified
* BSD License for more details.
* 
* You should have received a copy of the Modified BSD License along with 
* this software; if not, write to the Free Software Foundation, Inc., 
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the
* FSF site: http://www.fsf.org.
*/
package org.jlibrary.core.search.extraction.xml;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import org.apache.commons.lang.StringUtils;
import org.xml.sax.Attributes;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;

public class XMLParser extends DefaultHandler implements ErrorHandler {

    private XMLReader xmlReader;
    private StringBuffer buffer;

    public XMLParser(XMLReader xmlReader) {

        try {

            this.xmlReader = xmlReader;
            this.xmlReader.setContentHandler(this);
            this.xmlReader.setErrorHandler(this);

        } catch (Exception ex) {

        }
    }

    public void startDocument() throws SAXException {

        buffer = new StringBuffer();
    }

    public void startElement(String namespaceURI, String localName, String rawName, Attributes atts)
            throws SAXException {
    }

    public void characters(char[] ch, int start, int length) throws SAXException {

        buffer.append(ch, start, length);
    }

    public void endElement(java.lang.String namespaceURI, java.lang.String localName, java.lang.String qName)
            throws SAXException {
    }

    public void warning(SAXParseException spe) throws SAXException {

    }

    public void error(SAXParseException spe) throws SAXException {

    }

    public void fatalError(SAXParseException spe) throws SAXException {

    }

    public void parse(File f) throws FileNotFoundException, IOException, SAXException {

        xmlReader.parse(new InputSource(new FileInputStream(f)));
    }

    public void parse(byte[] content) throws FileNotFoundException, IOException, SAXException {

        xmlReader.parse(new InputSource(new ByteArrayInputStream(content)));
    }

    /**
     * @return
     */
    public String getContents() {

        String[] words = StringUtils.split(buffer.toString());
        return StringUtils.join(words, " ");
    }

}