001 /* 002 * Copyright (C) 2006-2007 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 * http://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 */ 016 017 package org.codehaus.gmaven.runtime.support.stubgen.model; 018 019 import java.util.Iterator; 020 import java.util.LinkedHashSet; 021 import java.util.Set; 022 023 /** 024 * Representation of for entity modifiers. 025 * 026 * @version $Id: ModifiersDef.java 18 2009-07-16 09:39:40Z user57 $ 027 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> 028 */ 029 public class ModifiersDef 030 extends Element 031 { 032 public static final String ABSTRACT = "abstract"; 033 034 public static final String PUBLIC = "public"; 035 036 public static final String PRIVATE = "private"; 037 038 public static final String PROTECTED = "protected"; 039 040 public static final String STATIC = "static"; 041 042 public static final String FINAL = "final"; 043 044 public static final String SYNCHRONIZED = "synchronized"; 045 046 public static final String TRANSIENT = "transient"; 047 048 public static final String VOLATILE = "volatile"; 049 050 public static final String NATIVE = "native"; 051 052 public static final String STRICTFP = "strictfp"; 053 054 private final Set values = new LinkedHashSet(); 055 056 public ModifiersDef add(final String modifier) { 057 assert modifier != null; 058 059 values.add(modifier); 060 061 return this; 062 } 063 064 public ModifiersDef remove(final String modifier) { 065 assert modifier != null; 066 067 values.remove(modifier); 068 069 return this; 070 } 071 072 public ModifiersDef merge(final ModifiersDef modifiers) { 073 assert modifiers != null; 074 075 Iterator iter = modifiers.getValues().iterator(); 076 077 while (iter.hasNext()) { 078 String modifier = (String)iter.next(); 079 add(modifier); 080 } 081 082 return this; 083 } 084 085 public Set getValues() { 086 return values; 087 } 088 089 private boolean contains(final String modifier) { 090 assert modifier != null; 091 092 return values.contains(modifier); 093 } 094 095 // 096 // Helpers 097 // 098 099 public boolean isAbstract() { 100 return contains(ABSTRACT); 101 } 102 103 public boolean isPublic() { 104 return contains(PUBLIC); 105 } 106 107 public boolean isPrivate() { 108 return contains(PRIVATE); 109 } 110 111 public boolean isProtected() { 112 return contains(PROTECTED); 113 } 114 115 public boolean isStatic() { 116 return contains(STATIC); 117 } 118 119 public boolean isFinal() { 120 return contains(FINAL); 121 } 122 123 public boolean isSynchronized() { 124 return contains(SYNCHRONIZED); 125 } 126 127 public boolean isTransient() { 128 return contains(TRANSIENT); 129 } 130 131 public boolean isVolatile() { 132 return contains(VOLATILE); 133 } 134 135 public boolean isNative() { 136 return contains(NATIVE); 137 } 138 139 public boolean isStrictfp() { 140 return contains(STRICTFP); 141 } 142 143 public boolean hasAccessModifiers() { 144 return 145 isPrivate() || 146 isProtected() || 147 isPublic(); 148 } 149 }