/*
* This file is part of the Wayback archival access software
* (http://archive-access.sourceforge.net/projects/wayback/).
*
* Licensed to the Internet Archive (IA) by one or more individual
* contributors.
*
* The IA licenses this file to You 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.archive.wayback.resourceindex.cdx.dynamic;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import org.archive.wayback.util.flatfile.FlatFile;
/**
*
*
* @author brad
* @version $Date$, $Revision$
*/
public class MD5LocationFile {
private FlatFile cachedFile;
/**
* @param cachedFile
*/
public MD5LocationFile(FlatFile cachedFile) {
this.cachedFile = cachedFile;
}
/**
* @param md5
* @return array of String locations where sources of the MD5 can be found.
* @throws IOException
*/
public Object[] getLocationsForMD5(String md5) throws IOException {
HashMap<String,Object> matches = new HashMap<String,Object>();
Iterator<String> itr = cachedFile.getSequentialIterator();
while(itr.hasNext()) {
String line = (String) itr.next();
if(line.startsWith(md5)) {
String locations[] = line.substring(md5.length()+1).split(" ");
for(int i = 0; i<locations.length; i++) {
if(!matches.containsKey(locations[i])) {
matches.put(locations[i],null);
}
}
}
}
return matches.keySet().toArray();
}
}