/*
* Copyright 2002-2007 the original author or authors.
*
* 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 org.springmodules.lucene.index.document.handler.file;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.springmodules.lucene.index.document.handler.file.AbstractInputStreamDocumentHandler;
/**
* @author Thierry Templier
*/
public abstract class AbstractTypeFileDocumentHandler extends AbstractInputStreamDocumentHandler {
protected abstract String extractText(InputStream inputStream) throws IOException;
public final Document doGetDocumentWithInputStream(Map description, InputStream inputStream) throws IOException {
Document document = new Document();
String text = extractText(inputStream);
if( text!=null && text.length()>0 ) {
//The text is analyzed and indexed but not stored
document.add(new Field("contents", text, Field.Store.NO, Field.Index.TOKENIZED));
}
if( description.get(AbstractInputStreamDocumentHandler.FILENAME)!=null ) {
document.add(new Field("type", "file", Field.Store.YES, Field.Index.UN_TOKENIZED));
document.add(new Field("filename", (String)description.get(AbstractInputStreamDocumentHandler.FILENAME), Field.Store.YES, Field.Index.UN_TOKENIZED));
}
return document;
}
}