001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.protocol.https; 018 019import java.util.Locale; 020 021/** 022 * Url scheme 023 * 024 * @author igor 025 */ 026public enum Scheme { 027 /** https */ 028 HTTPS { 029 @Override 030 public boolean usesStandardPort(HttpsConfig config) 031 { 032 return getPort(config) == 443; 033 } 034 035 @Override 036 public int getPort(HttpsConfig config) 037 { 038 return config.getHttpsPort(); 039 } 040 }, 041 /** http */ 042 HTTP { 043 @Override 044 public boolean usesStandardPort(HttpsConfig config) 045 { 046 return getPort(config) == 80; 047 } 048 049 @Override 050 public int getPort(HttpsConfig config) 051 { 052 return config.getHttpPort(); 053 } 054 }, 055 /** any, aka preserve current */ 056 ANY { 057 @Override 058 public String urlName() 059 { 060 throw new UnsupportedOperationException(); 061 } 062 063 @Override 064 public boolean isCompatibleWith(Scheme other) 065 { 066 return true; 067 } 068 069 @Override 070 public boolean usesStandardPort(HttpsConfig config) 071 { 072 throw new UnsupportedOperationException(); 073 } 074 075 @Override 076 public int getPort(HttpsConfig config) 077 { 078 throw new UnsupportedOperationException(); 079 } 080 }; 081 082 083 /** 084 * @return scheme's url name 085 */ 086 public String urlName() 087 { 088 return name().toLowerCase(Locale.ROOT); 089 } 090 091 /** 092 * Checks if two schemes are compatible. Compatible schemes do not require a redirect from the 093 * current scheme to the {@code other}. 094 * 095 * @param other 096 * @return {@code true} iff the schemes are compatible. 097 */ 098 public boolean isCompatibleWith(Scheme other) 099 { 100 return this == other; 101 } 102 103 public abstract boolean usesStandardPort(HttpsConfig config); 104 105 public abstract int getPort(HttpsConfig config); 106}