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Contents
//========================================================================
//Copyright 2009 Webtide LLC
//------------------------------------------------------------------------
//Licensed 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.mortbay.jetty.handler.rewrite;
import java.io.IOException;
import java.util.regex.Matcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Redirects the response by matching with a regular expression.
* The replacement string may use $n" to replace the nth capture group.
*/
public class RedirectRegexRule extends RegexRule
{
private String _replacement;
public RedirectRegexRule()
{
_handling = true;
_terminating = true;
}
/**
* Whenever a match is found, it replaces with this value.
*
* @param replacement the replacement string.
*/
public void setReplacement(String replacement)
{
_replacement = replacement;
}
@Override
protected String apply(String target, HttpServletRequest request, HttpServletResponse response, Matcher matcher)
throws IOException
{
target=_replacement;
for (int g=1;g<=matcher.groupCount();g++)
{
String group = matcher.group(g);
target=target.replaceAll("\\$"+g,group);
}
response.sendRedirect(target);
return target;
}
}
Version data entries
4 entries across 4 versions & 1 rubygems