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1   /*
2    * Copyright 2005 John G. Wilson
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   */
17  
18  package groovy.lang;
19  
20  import java.lang.reflect.Constructor;
21  import java.lang.reflect.Method;
22  import java.util.List;
23  import java.util.Map;
24  
25  import org.codehaus.groovy.ast.ClassNode;
26  
27  /***
28   * @author John Wilson
29   *
30   */
31  
32  public class DelegatingMetaClass extends MetaClass {
33      private final MetaClass delegate;
34      public DelegatingMetaClass(final MetaClass delegate) {
35          super(delegate.getClass());
36          
37          this.delegate = delegate;
38      }
39      /* (non-Javadoc)
40       * @see groovy.lang.MetaClass#addNewInstanceMethod(java.lang.reflect.Method)
41       */
42      protected void addNewInstanceMethod(Method method) {
43          delegate.addNewInstanceMethod(method);
44      }
45      /* (non-Javadoc)
46       * @see groovy.lang.MetaClass#addNewStaticMethod(java.lang.reflect.Method)
47       */
48      protected void addNewStaticMethod(Method method) {
49          delegate.addNewStaticMethod(method);
50      }
51      /* (non-Javadoc)
52       * @see groovy.lang.MetaClass#checkInitialised()
53       */
54      protected void checkInitialised() {
55          delegate.checkInitialised();
56      }
57      /* (non-Javadoc)
58       * @see groovy.lang.MetaClass#pickMethod(java.lang.Object, java.lang.String, java.lang.Object[])
59       */
60      protected MetaMethod pickMethod(Object object, String methodName, Object[] arguments) {
61          return delegate.pickMethod(object, methodName, arguments);
62      }
63      /* (non-Javadoc)
64       * @see groovy.lang.MetaClass#pickMethod(java.lang.String, java.lang.Class[])
65       */
66      protected MetaMethod pickMethod(String methodName, Class[] arguments) {
67          return delegate.pickMethod(methodName, arguments);
68      }
69      /* (non-Javadoc)
70       * @see groovy.lang.MetaClass#getAttribute(java.lang.Object, java.lang.String)
71       */
72      public Object getAttribute(Object object, String attribute) {
73          return delegate.getAttribute(object, attribute);
74      }
75      /* (non-Javadoc)
76       * @see groovy.lang.MetaClass#getClassNode()
77       */
78      public ClassNode getClassNode() {
79           return delegate.getClassNode();
80      }
81      /* (non-Javadoc)
82       * @see groovy.lang.MetaClass#getMetaMethods()
83       */
84      public List getMetaMethods() {
85          return delegate.getMetaMethods();
86      }
87      /* (non-Javadoc)
88       * @see groovy.lang.MetaClass#getMethods()
89       */
90      public List getMethods() {
91          return delegate.getMethods();
92      }
93      /* (non-Javadoc)
94       * @see groovy.lang.MetaClass#getProperties()
95       */
96      public List getProperties() {
97          return delegate.getProperties();
98      }
99      /* (non-Javadoc)
100      * @see groovy.lang.MetaClass#getProperty(java.lang.Object, java.lang.String)
101      */
102     public Object getProperty(Object object, String property) {
103         return delegate.getProperty(object, property);
104     }
105     /* (non-Javadoc)
106      * @see groovy.lang.MetaClass#invokeConstructor(java.lang.Object[])
107      */
108     public Object invokeConstructor(Object[] arguments) {
109         return delegate.invokeConstructor(arguments);
110     }
111     /* (non-Javadoc)
112      * @see groovy.lang.MetaClass#invokeConstructorAt(java.lang.Class, java.lang.Object[])
113      */
114     public Object invokeConstructorAt(Class at, Object[] arguments) {
115         return delegate.invokeConstructorAt(at, arguments);
116     }
117     /* (non-Javadoc)
118      * @see groovy.lang.MetaClass#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object)
119      */
120     public Object invokeMethod(Object object, String methodName, Object arguments) {
121         return delegate.invokeMethod(object, methodName, arguments);
122     }
123     /* (non-Javadoc)
124      * @see groovy.lang.MetaClass#invokeMethod(java.lang.Object, java.lang.String, java.lang.Object[])
125      */
126     public Object invokeMethod(Object object, String methodName, Object[] arguments) {
127         return delegate.invokeMethod(object, methodName, arguments);
128     }
129     /* (non-Javadoc)
130      * @see groovy.lang.MetaClass#invokeStaticMethod(java.lang.Object, java.lang.String, java.lang.Object[])
131      */
132     public Object invokeStaticMethod(Object object, String methodName, Object[] arguments) {
133         return delegate.invokeStaticMethod(object, methodName, arguments);
134     }
135     /* (non-Javadoc)
136      * @see groovy.lang.MetaClass#retrieveConstructor(java.lang.Class[])
137      */
138     public Constructor retrieveConstructor(Class[] arguments) {
139         return delegate.retrieveConstructor(arguments);
140     }
141     /* (non-Javadoc)
142      * @see groovy.lang.MetaClass#retrieveMethod(java.lang.Object, java.lang.String, java.lang.Object[])
143      */
144     public MetaMethod retrieveMethod(Object owner, String methodName, Object[] arguments) {
145         return delegate.retrieveMethod(owner, methodName, arguments);
146     }
147     /* (non-Javadoc)
148      * @see groovy.lang.MetaClass#retrieveMethod(java.lang.String, java.lang.Class[])
149      */
150     public MetaMethod retrieveMethod(String methodName, Class[] arguments) {
151         return delegate.retrieveMethod(methodName, arguments);
152     }
153     /* (non-Javadoc)
154      * @see groovy.lang.MetaClass#retrieveStaticMethod(java.lang.String, java.lang.Class[])
155      */
156     public MetaMethod retrieveStaticMethod(String methodName, Class[] arguments) {
157         return delegate.retrieveStaticMethod(methodName, arguments);
158     }
159     /* (non-Javadoc)
160      * @see groovy.lang.MetaClass#setAttribute(java.lang.Object, java.lang.String, java.lang.Object)
161      */
162     public void setAttribute(Object object, String attribute, Object newValue) {
163         delegate.setAttribute(object, attribute, newValue);
164     }
165     /* (non-Javadoc)
166      * @see groovy.lang.MetaClass#setProperties(java.lang.Object, java.util.Map)
167      */
168     public void setProperties(Object bean, Map map) {
169         delegate.setProperties(bean, map);
170     }
171     /* (non-Javadoc)
172      * @see groovy.lang.MetaClass#setProperty(java.lang.Object, java.lang.String, java.lang.Object)
173      */
174     public void setProperty(Object object, String property, Object newValue) {
175         delegate.setProperty(object, property, newValue);
176     }
177     /* (non-Javadoc)
178      * @see java.lang.Object#equals(java.lang.Object)
179      */
180     public boolean equals(Object obj) {
181         return delegate.equals(obj);
182     }
183     /* (non-Javadoc)
184      * @see java.lang.Object#hashCode()
185      */
186     public int hashCode() {
187         return delegate.hashCode();
188     }
189     /* (non-Javadoc)
190      * @see java.lang.Object#toString()
191      */
192     public String toString() {
193         return delegate.toString();
194     }
195 }