001/* 002 * Copyright 2002-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.http.client.support; 018 019import java.net.InetSocketAddress; 020import java.net.Proxy; 021import java.net.SocketAddress; 022 023import org.springframework.beans.factory.FactoryBean; 024import org.springframework.beans.factory.InitializingBean; 025import org.springframework.lang.Nullable; 026import org.springframework.util.Assert; 027 028/** 029 * {@link FactoryBean} that creates a {@link Proxy java.net.Proxy}. 030 * 031 * @author Arjen Poutsma 032 * @since 3.0.4 033 * @see FactoryBean 034 * @see Proxy 035 */ 036public class ProxyFactoryBean implements FactoryBean<Proxy>, InitializingBean { 037 038 private Proxy.Type type = Proxy.Type.HTTP; 039 040 @Nullable 041 private String hostname; 042 043 private int port = -1; 044 045 @Nullable 046 private Proxy proxy; 047 048 049 /** 050 * Set the proxy type. 051 * <p>Defaults to {@link java.net.Proxy.Type#HTTP}. 052 */ 053 public void setType(Proxy.Type type) { 054 this.type = type; 055 } 056 057 /** 058 * Set the proxy host name. 059 */ 060 public void setHostname(String hostname) { 061 this.hostname = hostname; 062 } 063 064 /** 065 * Set the proxy port. 066 */ 067 public void setPort(int port) { 068 this.port = port; 069 } 070 071 072 @Override 073 public void afterPropertiesSet() throws IllegalArgumentException { 074 Assert.notNull(this.type, "Property 'type' is required"); 075 Assert.notNull(this.hostname, "Property 'hostname' is required"); 076 if (this.port < 0 || this.port > 65535) { 077 throw new IllegalArgumentException("Property 'port' value out of range: " + this.port); 078 } 079 080 SocketAddress socketAddress = new InetSocketAddress(this.hostname, this.port); 081 this.proxy = new Proxy(this.type, socketAddress); 082 } 083 084 085 @Override 086 @Nullable 087 public Proxy getObject() { 088 return this.proxy; 089 } 090 091 @Override 092 public Class<?> getObjectType() { 093 return Proxy.class; 094 } 095 096 @Override 097 public boolean isSingleton() { 098 return true; 099 } 100 101}