001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027package org.apache.http.impl.conn; 028 029import org.apache.http.HttpHost; 030import org.apache.http.annotation.Contract; 031import org.apache.http.annotation.ThreadingBehavior; 032import org.apache.http.conn.SchemePortResolver; 033import org.apache.http.conn.UnsupportedSchemeException; 034import org.apache.http.util.Args; 035 036/** 037 * Default {@link SchemePortResolver}. 038 * 039 * @since 4.3 040 */ 041@Contract(threading = ThreadingBehavior.IMMUTABLE) 042public class DefaultSchemePortResolver implements SchemePortResolver { 043 044 public static final DefaultSchemePortResolver INSTANCE = new DefaultSchemePortResolver(); 045 046 @Override 047 public int resolve(final HttpHost host) throws UnsupportedSchemeException { 048 Args.notNull(host, "HTTP host"); 049 final int port = host.getPort(); 050 if (port > 0) { 051 return port; 052 } 053 final String name = host.getSchemeName(); 054 if (name.equalsIgnoreCase("http")) { 055 return 80; 056 } else if (name.equalsIgnoreCase("https")) { 057 return 443; 058 } else { 059 throw new UnsupportedSchemeException(name + " protocol is not supported"); 060 } 061 } 062 063}