1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.client5.http.impl.classic; 29 30 import java.io.IOException; 31 32 import org.apache.hc.client5.http.classic.ExecChain; 33 import org.apache.hc.client5.http.classic.ExecChainHandler; 34 import org.apache.hc.core5.http.ClassicHttpRequest; 35 import org.apache.hc.core5.http.ClassicHttpResponse; 36 import org.apache.hc.core5.http.HttpException; 37 38 class ExecChainElement { 39 40 private final ExecChainHandler handler; 41 private final ExecChainElement next; 42 43 ExecChainElement(final ExecChainHandler handler, final ExecChainElement next) { 44 this.handler = handler; 45 this.next = next; 46 } 47 48 public ClassicHttpResponse execute( 49 final ClassicHttpRequest request, 50 final ExecChain.Scope scope) throws IOException, HttpException { 51 return handler.execute(request, scope, next != null ? next::execute : null); 52 } 53 54 @Override 55 public String toString() { 56 return "{" + 57 "handler=" + handler.getClass() + 58 ", next=" + (next != null ? next.handler.getClass() : "null") + 59 '}'; 60 } 61 }