broker-plugins/management-http/src/main/java/org/apache/qpid/server/management/plugin/RewriteServlet.java

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.qpid.server.management.plugin;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RewriteServlet extends HttpServlet
{
    private final String _pattern;
    private final String _replacement;

    public RewriteServlet(final String pattern, final String replacement)
    {
        _pattern = pattern;
        _replacement = replacement;

    }

    @Override
    protected void service(final HttpServletRequest req, final HttpServletResponse resp)
            throws ServletException, IOException
    {
        String location = req.getRequestURI().replaceAll(_pattern, _replacement);
        if(req.getQueryString() != null)
        {
            location += "?" + req.getQueryString();
        }
        resp.sendRedirect(location);
    }
}