bixo.fetcher.RedirectResponseHandler.java Source code

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Here is the source code for bixo.fetcher.RedirectResponseHandler.java

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/*
 * Copyright 2009-2013 Scale Unlimited
 *
 * 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 bixo.fetcher;

import java.io.IOException;

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

import org.apache.http.HttpStatus;
import org.eclipse.jetty.http.HttpException;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;

/**
 * Reponse handler that always returns a 404.
 *
 */
public class RedirectResponseHandler extends AbstractHandler {

    private String _originalPath;
    private String _redirectUrl;

    public RedirectResponseHandler(String originalPath, String redirectUrl) {
        _originalPath = originalPath;
        _redirectUrl = redirectUrl;
    }

    @Override
    public void handle(String pathInContext, Request baseRequest, HttpServletRequest request,
            HttpServletResponse response) throws HttpException, IOException {
        if (pathInContext.equalsIgnoreCase(_originalPath)) {
            response.sendRedirect(_redirectUrl);
        } else if (_redirectUrl.contains(pathInContext)) {
            response.setStatus(HttpStatus.SC_OK);
            response.setContentType("text/plain");

            String content = "redirected content";
            response.setContentLength(content.length());
            response.getOutputStream().write(content.getBytes());
        } else {
            response.setStatus(HttpStatus.SC_OK);
            response.setContentType("text/plain");

            String content = "other content";
            response.setContentLength(content.length());
            response.getOutputStream().write(content.getBytes());
        }
    }
}