/*
* This file is part of the Heritrix web crawler (crawler.archive.org).
*
* 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.modules.recrawl;
import static org.archive.modules.recrawl.RecrawlAttributeConstants.A_ORIGINAL_DATE;
import static org.archive.modules.recrawl.RecrawlAttributeConstants.A_ORIGINAL_URL;
import static org.archive.modules.recrawl.RecrawlAttributeConstants.A_WARC_RECORD_ID;
import org.archive.modules.CrawlURI;
import org.archive.modules.Processor;
import org.archive.modules.revisit.IdenticalPayloadDigestRevisit;
import org.springframework.beans.factory.annotation.Autowired;
public class ContentDigestHistoryLoader extends Processor {
protected AbstractContentDigestHistory contentDigestHistory;
@Autowired
public void setContentDigestHistory(
AbstractContentDigestHistory contentDigestHistory) {
this.contentDigestHistory = contentDigestHistory;
}
@Override
protected boolean shouldProcess(CrawlURI uri) {
return uri.getContentDigest() != null && uri.getContentLength() > 0;
}
@Override
protected void innerProcess(CrawlURI curi) throws InterruptedException {
contentDigestHistory.load(curi);
if (!curi.getContentDigestHistory().isEmpty()) {
IdenticalPayloadDigestRevisit revisit =
new IdenticalPayloadDigestRevisit(curi.getContentDigestSchemeString());
revisit.setRefersToDate((String)curi.getContentDigestHistory().get(A_ORIGINAL_DATE));
revisit.setRefersToTargetURI((String)curi.getContentDigestHistory().get(A_ORIGINAL_URL));
String warcRecordId= (String)curi.getContentDigestHistory().get(A_WARC_RECORD_ID);
if (warcRecordId!=null) {
revisit.setRefersToRecordID(warcRecordId);
}
curi.setRevisitProfile(revisit);
curi.getAnnotations().add("duplicate:digest");
}
}
}