/*
* 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.archivalurl.requestparser;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.archive.wayback.core.WaybackRequest;
import org.archive.wayback.requestparser.BaseRequestParser;
import org.archive.wayback.requestparser.PathRequestParser;
import org.archive.wayback.util.Timestamp;
import org.archive.wayback.webapp.AccessPoint;
/**
* RequestParser implementation that extracts request info from an Archival Url
* representing an exact url and a date prefix.
*
* @author brad
* @version $Date$, $Revision$
*/
public class PathDatePrefixQueryRequestParser extends PathRequestParser {
/**
* @param wrapped BaseRequestParser which provides general configuration
*/
public PathDatePrefixQueryRequestParser(BaseRequestParser wrapped) {
super(wrapped);
}
/**
* Regex which parses Archival URL queries into timestamp + url for an exact
* URL
*/
private final static Pattern WB_QUERY_REGEX = Pattern
.compile("^(\\d{0,14})\\*/(.*[^*])$");
public WaybackRequest parse(String requestPath, AccessPoint ap) {
WaybackRequest wbRequest = null;
Matcher matcher = WB_QUERY_REGEX.matcher(requestPath);
if (matcher != null && matcher.matches()) {
wbRequest = new WaybackRequest();
String dateStr = matcher.group(1);
String urlStr = matcher.group(2);
String startDate;
String endDate;
String requestDate;
if(dateStr.length() == 0) {
startDate = getEarliestTimestamp();
endDate = getLatestTimestamp();
requestDate = endDate;
} else if(dateStr.length() == 14) {
startDate = getEarliestTimestamp();
endDate = getLatestTimestamp();
requestDate = Timestamp.parseAfter(dateStr).getDateStr();
} else {
startDate = Timestamp.parseBefore(dateStr).getDateStr();
endDate = Timestamp.parseAfter(dateStr).getDateStr();
requestDate = endDate;
}
wbRequest.setStartTimestamp(startDate);
wbRequest.setEndTimestamp(endDate);
wbRequest.setReplayTimestamp(requestDate);
wbRequest.setCaptureQueryRequest();
wbRequest.setRequestUrl(urlStr);
}
return wbRequest;
}
}