framework.retrieval.engine.index.create.impl.file.parse.RTFFileContentParser.java Source code

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Here is the source code for framework.retrieval.engine.index.create.impl.file.parse.RTFFileContentParser.java

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/**
 * Copyright 2010 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package framework.retrieval.engine.index.create.impl.file.parse;

import java.io.FileInputStream;
import java.io.InputStream;

import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.rtf.RTFEditorKit;

import org.apache.commons.logging.Log;

import framework.retrieval.engine.common.RetrievalUtil;
import framework.retrieval.engine.index.doc.file.internal.RFileDocument;

/**
 * RTF?
 * @author 
 *
 */
public class RTFFileContentParser extends AbstractFileContentParser {
    private Log log = RetrievalUtil.getLog(this.getClass());

    public String getContent(RFileDocument document, String charsetName) {
        String content = "";
        InputStream fileInputStream = null;
        try {
            fileInputStream = new FileInputStream(document.getFile());
            DefaultStyledDocument styledDoc = new DefaultStyledDocument();
            RTFEditorKit rtfEditorKit = new RTFEditorKit();
            rtfEditorKit.read(fileInputStream, styledDoc, 0);
            content = styledDoc.getText(0, styledDoc.getLength());
        } catch (Exception e) {
            RetrievalUtil.errorLog(log, document.getFile().getAbsolutePath(), e);
        } finally {
            try {
                if (fileInputStream != null) {
                    fileInputStream.close();
                }
            } catch (Exception e) {
                RetrievalUtil.errorLog(log, e);
            }
        }
        return content;
    }

}