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 package org.apache.http.impl.conn; 28 29 import org.apache.http.HttpHost; 30 import org.apache.http.annotation.Contract; 31 import org.apache.http.annotation.ThreadingBehavior; 32 import org.apache.http.conn.SchemePortResolver; 33 import org.apache.http.conn.UnsupportedSchemeException; 34 import org.apache.http.util.Args; 35 36 /** 37 * Default {@link SchemePortResolver}. 38 * 39 * @since 4.3 40 */ 41 @Contract(threading = ThreadingBehavior.IMMUTABLE) 42 public class DefaultSchemePortResolver implements SchemePortResolver { 43 44 public static final DefaultSchemePortResolverolver.html#DefaultSchemePortResolver">DefaultSchemePortResolver INSTANCE = new DefaultSchemePortResolver(); 45 46 @Override 47 public int resolve(final HttpHost host) throws UnsupportedSchemeException { 48 Args.notNull(host, "HTTP host"); 49 final int port = host.getPort(); 50 if (port > 0) { 51 return port; 52 } 53 final String name = host.getSchemeName(); 54 if (name.equalsIgnoreCase("http")) { 55 return 80; 56 } else if (name.equalsIgnoreCase("https")) { 57 return 443; 58 } else { 59 throw new UnsupportedSchemeException(name + " protocol is not supported"); 60 } 61 } 62 63 }