001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.rest.client2.ext; 014 015import java.io.*; 016 017import org.apache.http.impl.client.*; 018import org.apache.http.protocol.*; 019 020/** 021 * An extension of {@link StandardHttpRequestRetryHandler} that adds support for a retry interval. 022 */ 023public class BasicHttpRequestRetryHandler extends StandardHttpRequestRetryHandler { 024 025 private final int retryInterval; 026 027 /** 028 * Create the request retry handler. 029 * 030 * Uses the following list of non-retryable IOException classes: 031 * <ul> 032 * <li>InterruptedIOException</li> 033 * <li>UnknownHostException</li> 034 * <li>ConnectException</li> 035 * <li>SSLException</li> 036 * </ul> 037 * 038 * @param retryCount How many times to retry. <code>0</code> means no retries. 039 * @param retryInterval The time in milliseconds to sleep before trying again, or <code><=0</code> for no interval. 040 * @param requestSentRetryEnabled Specify <jk>true</jk> if it's OK to retry non-idempotent requests that have been sent. 041 */ 042 public BasicHttpRequestRetryHandler(int retryCount, int retryInterval, boolean requestSentRetryEnabled) { 043 super(retryCount, requestSentRetryEnabled); 044 this.retryInterval = retryInterval; 045 } 046 047 @Override 048 public boolean retryRequest(IOException exception, int executionCount, HttpContext context) { 049 if (retryInterval > 0) { 050 try { 051 Thread.sleep(retryInterval); 052 } catch (InterruptedException e) { 053 e.printStackTrace(); 054 } 055 } 056 return super.retryRequest(exception, executionCount, context); 057 } 058}