/*
* Autopsy Forensic Browser
*
* Copyright 2012 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* 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.sleuthkit.autopsy.keywordsearch;
import java.nio.charset.Charset;
import org.openide.util.NbBundle;
import org.sleuthkit.autopsy.keywordsearch.Ingester.IngesterException;
/**
* Represents each string chunk to be indexed, a derivative of TextExtractor file
*/
class AbstractFileChunk {
private int chunkID;
private TextExtractor parent;
AbstractFileChunk(TextExtractor parent, int chunkID) {
this.parent = parent;
this.chunkID = chunkID;
}
public TextExtractor getParent() {
return parent;
}
public int getChunkId() {
return chunkID;
}
/**
* return String representation of the absolute id (parent and child)
*
* @return
*/
public String getIdString() {
return Server.getChunkIdString(this.parent.getSourceFile().getId(), this.chunkID);
}
public boolean index(Ingester ingester, byte[] content, long contentSize, Charset indexCharset) throws IngesterException {
boolean success = true;
ByteContentStream bcs = new ByteContentStream(content, contentSize, parent.getSourceFile(), indexCharset);
try {
ingester.ingest(this, bcs, content.length);
//logger.log(Level.INFO, "Ingesting string chunk: " + this.getName() + ": " + chunkID);
} catch (Exception ingEx) {
success = false;
throw new IngesterException(NbBundle.getMessage(this.getClass(), "AbstractFileChunk.index.exception.msg",
parent.getSourceFile().getId(), chunkID), ingEx);
}
return success;
}
}