| /* |
| * 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.nutch.tools.proxy; |
| |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.mortbay.jetty.Request; |
| |
| public class DelayHandler extends AbstractTestbedHandler { |
| |
| public static final long DEFAULT_DELAY = 2000; |
| |
| private int delay; |
| private boolean random; |
| private Random r; |
| |
| public DelayHandler(int delay) { |
| if (delay < 0) { |
| delay = -delay; |
| random = true; |
| r = new Random(1234567890L); // repeatable random |
| } |
| this.delay = delay; |
| } |
| |
| @Override |
| public void handle(Request req, HttpServletResponse res, String target, |
| int dispatch) throws IOException, ServletException { |
| try { |
| int del = random ? r.nextInt(delay) : delay; |
| Thread.sleep(del); |
| addMyHeader(res, "Delay", String.valueOf(del)); |
| } catch (Exception e) { |
| |
| } |
| } |
| } |