com.stimulus.archiva.extraction.RTFExtractor.java Source code

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Here is the source code for com.stimulus.archiva.extraction.RTFExtractor.java

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/* Copyright (C) 2005-2007 Jamie Angus Band 
 * MailArchiva Open Source Edition Copyright (c) 2005-2007 Jamie Angus Band
 * This program is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, see http://www.gnu.org/licenses or write to the Free Software Foundation,Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */

package com.stimulus.archiva.extraction;

import com.stimulus.archiva.exception.*;
import java.io.*;
import javax.swing.text.rtf.RTFEditorKit;
import com.stimulus.archiva.index.*;
import org.apache.commons.logging.*;
import javax.swing.text.DefaultStyledDocument;
import com.stimulus.util.*;

import java.nio.charset.Charset;

public class RTFExtractor implements TextExtractor, Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = -4548973247294566348L;
    protected static final Log logger = LogFactory.getLog(Extractor.class.getName());

    public RTFExtractor() {
    }

    public Reader getText(InputStream is, Charset charset, IndexInfo indexInfo) throws ExtractionException {

        Reader reader = null;
        FileWriter writer = null;
        File file = null;
        try {
            reader = new InputStreamReader(is);
            file = File.createTempFile("extract_rtf", ".tmp");
            indexInfo.addDeleteFile(file);
            writer = new FileWriter(file);
            DefaultStyledDocument doc = new DefaultStyledDocument();
            new RTFEditorKit().read(reader, doc, 0);
            writer.write(doc.getText(0, doc.getLength()));
        } catch (Throwable ioe) {
            throw new ExtractionException("failed to parse rtf document", ioe, logger);
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ioe) {
                }
            }

            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException ioe) {
                }
            }
        }
        try {
            Reader outReader = new FileReader(file);
            indexInfo.addReader(outReader);
            return outReader;
        } catch (Exception ex) {
            throw new ExtractionException("failed to extract text from powerpoint document", ex, logger,
                    ChainedException.Level.DEBUG);
        }

    }

}