org.silverpeas.search.indexEngine.parser.pdfParser.PdfParser2.java Source code

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Here is the source code for org.silverpeas.search.indexEngine.parser.pdfParser.PdfParser2.java

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/**
 * Copyright (C) 2000 - 2013 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of the GPL, you may
 * redistribute this Program in connection with Free/Libre Open Source Software ("FLOSS")
 * applications as described in Silverpeas's FLOSS exception. You should have received a copy of the
 * text describing the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * 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
 * Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 */
package org.silverpeas.search.indexEngine.parser.pdfParser;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;

import org.apache.commons.io.IOUtils;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.util.PDFTextStripper;

import org.silverpeas.search.indexEngine.parser.Parser;

import com.stratelia.silverpeas.silvertrace.SilverTrace;

/**
 * the pdfParser parse a pdf file
 */
public class PdfParser2 implements Parser {

    public PdfParser2() {
    }

    @Override
    public Reader getReader(String path, String encoding) {
        Reader reader = null;
        InputStream file = null;
        PDDocument document = null;
        try {
            file = new FileInputStream(path);
            document = PDDocument.load(file);
            PDFTextStripper extractor = new PDFTextStripper();
            String text = extractor.getText(document);
            reader = new StringReader(text);
        } catch (Exception e) {
            SilverTrace.error("indexEngine", "PdfParser2", "indexEngine.MSG_IO_ERROR_WHILE_READING", path, e);
        } finally {
            try {
                if (document != null) {
                    document.close();
                }
                IOUtils.closeQuietly(file);
            } catch (IOException ioe) {
                SilverTrace.error("indexEngine", "PdfParser2.getReader()", "indexEngine.MSG_IO_ERROR_WHILE_CLOSING",
                        path, ioe);
            }
        }
        return reader;
    }
}