001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022
023 package org.granite.generator.as3.reflect;
024
025 import java.lang.annotation.Annotation;
026 import java.lang.reflect.ParameterizedType;
027 import java.lang.reflect.Type;
028 import java.lang.reflect.TypeVariable;
029 import java.util.ArrayList;
030 import java.util.Arrays;
031 import java.util.List;
032
033 import org.granite.generator.as3.ClientType;
034 import org.granite.generator.as3.PropertyType;
035 import org.granite.messaging.annotations.Include;
036 import org.granite.util.ClassUtil;
037
038 /**
039 * @author Franck WOLFF
040 */
041 public class JavaMethodProperty implements JavaProperty {
042
043 private final String name;
044 private final JavaMethod readMethod;
045 private final JavaMethod writeMethod;
046 private final Class<?> type;
047 private final Type genericType;
048 private final ClientType clientType;
049 private final boolean externalizedProperty;
050
051 public JavaMethodProperty(JavaTypeFactory provider, String name, JavaMethod readMethod, JavaMethod writeMethod) {
052 this(provider, name, readMethod, writeMethod, null);
053 }
054
055 public JavaMethodProperty(JavaTypeFactory provider, String name, JavaMethod readMethod, JavaMethod writeMethod, ParameterizedType declaringType) {
056 if (name == null || (readMethod == null && writeMethod == null))
057 throw new NullPointerException("Invalid parameters");
058 this.name = name;
059 this.readMethod = readMethod;
060 this.writeMethod = writeMethod;
061 Type genericType = (
062 readMethod != null ?
063 readMethod.getMember().getGenericReturnType() :
064 writeMethod.getMember().getGenericParameterTypes()[0]
065 );
066 Class<?> declaringClass = readMethod != null ? readMethod.getMember().getDeclaringClass() : writeMethod.getMember().getDeclaringClass();
067 if (genericType instanceof TypeVariable && declaringType != null) {
068 int index = -1;
069 for (int i = 0; i < declaringClass.getTypeParameters().length; i++) {
070 if (declaringClass.getTypeParameters()[i] == genericType) {
071 index = i;
072 break;
073 }
074 }
075 if (index >= 0 && index < declaringType.getActualTypeArguments().length)
076 genericType = declaringType.getActualTypeArguments()[index];
077 }
078 this.type = ClassUtil.classOfType(genericType);
079 this.genericType = genericType;
080 ClientType clientType = provider.getClientType(genericType, null, null, isWritable() ? PropertyType.PROPERTY : PropertyType.READONLY_PROPERTY);
081 if (clientType == null)
082 clientType = provider.getAs3Type(type);
083 this.clientType = clientType;
084 this.externalizedProperty = (
085 readMethod != null &&
086 ClassUtil.isAnnotationPresent(readMethod.getMember(), Include.class)
087 );
088 }
089
090 public String getAccess() {
091 return JavaMember.PRIVATE;
092 }
093
094 @Override
095 public String getName() {
096 return name;
097 }
098
099 @Override
100 public String getCapitalizedName() {
101 return getName().substring(0, 1).toUpperCase() + getName().substring(1);
102 }
103
104 @Override
105 public Class<?> getType() {
106 return type;
107 }
108
109 public Type getGenericType() {
110 return genericType;
111 }
112
113 @Override
114 public Type[] getGenericTypes() {
115 Type type = readMethod != null ? readMethod.getMember().getGenericReturnType() : writeMethod.getMember().getGenericParameterTypes()[0];
116 if (!(type instanceof ParameterizedType))
117 return null;
118 return ((ParameterizedType)type).getActualTypeArguments();
119 }
120
121 @Override
122 public boolean isReadable() {
123 return (readMethod != null);
124 }
125
126 @Override
127 public boolean isWritable() {
128 return (writeMethod != null);
129 }
130
131 @Override
132 public boolean isExternalizedProperty() {
133 return externalizedProperty;
134 }
135
136 @Override
137 public boolean isEnum() {
138 return (type.isEnum() || Enum.class.getName().equals(type.getName()));
139 }
140
141 @Override
142 public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass) {
143 return (
144 (readMethod != null && readMethod.getMember().isAnnotationPresent(annotationClass)) ||
145 (writeMethod != null && writeMethod.getMember().isAnnotationPresent(annotationClass))
146 );
147 }
148
149 @Override
150 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
151 T annotation = null;
152 if (readMethod != null) {
153 annotation = readMethod.getMember().getAnnotation(annotationClass);
154 if (annotation != null)
155 return annotation;
156 }
157 if (writeMethod != null) {
158 annotation = writeMethod.getMember().getAnnotation(annotationClass);
159 if (annotation != null)
160 return annotation;
161 }
162 return null;
163 }
164
165 @Override
166 public Annotation[] getDeclaredAnnotations() {
167 List<Annotation> annos = new ArrayList<Annotation>();
168 if (readMethod != null)
169 annos.addAll(Arrays.asList(readMethod.getMember().getDeclaredAnnotations()));
170 if (writeMethod != null)
171 annos.addAll(Arrays.asList(writeMethod.getMember().getDeclaredAnnotations()));
172 return annos.toArray(new Annotation[0]);
173 }
174
175 @Override
176 public boolean isReadOverride() {
177 return (readMethod != null && readMethod.isOverride());
178 }
179
180 @Override
181 public boolean isWriteOverride() {
182 return (writeMethod != null && writeMethod.isOverride());
183 }
184
185 @Override
186 public JavaMethod getReadMethod() {
187 return readMethod;
188 }
189
190 @Override
191 public JavaMethod getWriteMethod() {
192 return writeMethod;
193 }
194
195 public ClientType getAs3Type() {
196 return clientType;
197 }
198
199 @Override
200 public ClientType getClientType() {
201 return clientType;
202 }
203
204 @Override
205 public int compareTo(JavaProperty o) {
206 return name.compareTo(o.getName());
207 }
208
209 @Override
210 public boolean equals(Object obj) {
211 if (this == obj)
212 return true;
213 if (obj instanceof JavaMethodProperty)
214 return ((JavaMethodProperty)obj).name.equals(name);
215 return false;
216 }
217
218 @Override
219 public int hashCode() {
220 return name.hashCode();
221 }
222 }