/*
* 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.filters;
import org.archive.wayback.core.CaptureSearchResult;
import org.archive.wayback.util.ObjectFilter;
/**
* SearchResultFilter which includes any URL which begins with a given prefix,
* and aborts processing when any URL does not match the prefix. This abort
* short-circuiting assumes that records will be seen in increasing URL order:
* once a URL does not match, no further URLs will match either.
*
* @author brad
* @version $Date$, $Revision$
*/
public class UrlPrefixMatchFilter implements ObjectFilter<CaptureSearchResult> {
private String prefix;
/**
* @param prefix String which records must begin with
*/
public UrlPrefixMatchFilter(final String prefix) {
this.prefix = prefix;
}
/* (non-Javadoc)
* @see org.archive.wayback.util.ObjectFilter#filterObject(java.lang.Object)
*/
public int filterObject(CaptureSearchResult r) {
String resultUrl = r.getUrlKey();
return resultUrl.startsWith(prefix) ? FILTER_INCLUDE : FILTER_ABORT;
}
}