/*
* 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.replay.html.transformer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.archive.wayback.replay.html.ReplayParseContext;
import org.archive.wayback.replay.html.StringTransformer;
/**
* Attempts to rewrite any absolute URLs found within the text/javascript MIME
*
* @author brad
*
*/
public class JSStringTransformer implements StringTransformer {
private final static Pattern httpPattern = Pattern
.compile("(http:\\\\?/\\\\?/[A-Za-z0-9:_@.-]+)");
public String transform(ReplayParseContext context, String input) {
StringBuffer replaced = new StringBuffer(input.length());
Matcher m = httpPattern.matcher(input);
while (m.find()) {
String host = m.group(1);
m.appendReplacement(replaced, context.contextualizeUrl(host));
}
m.appendTail(replaced);
return replaced.toString();
}
}