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1   /*
2    * Copyright 2006 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 org.codehaus.groovy.runtime.wrappers;
19  
20  import groovy.lang.MetaClass;
21  
22  
23  /***
24   * @author John Wilson
25   *
26   */
27  
28  public class PojoWrapper extends Wrapper {
29    protected MetaClass delegate;
30    protected final Object wrapped;
31    
32    public PojoWrapper(final Object wrapped, final Class constrainedType) {
33      super(constrainedType);
34      this.wrapped = wrapped;
35      
36      /*
37       * This check is temporary - remove before 1.0 release
38       */
39  //    if (wrapped instanceof GroovyObject) {
40  //      throw new RuntimeException("trying to wrap the groovyObject "
41  //                                 + wrapped.getClass().getName()
42  //                                 + " in a PojoWrapper");
43  //    }
44    }
45    
46    public Object unwrap() {
47      return this.wrapped;
48    }
49    
50    /***
51     * Note the rest of these method will only be used post 1.0
52     */
53  
54    /* (non-Javadoc)
55     * @see groovy.lang.GroovyObject#getProperty(java.lang.String)
56     */
57    public Object getProperty(final String property) {
58      return this.delegate.getProperty(this.wrapped, property);
59    }
60  
61    /* (non-Javadoc)
62     * @see groovy.lang.GroovyObject#invokeMethod(java.lang.String, java.lang.Object)
63     */
64    public Object invokeMethod(final String methodName, final Object arguments) {
65      return this.delegate.invokeMethod(this.wrapped, methodName, arguments);
66    }
67  
68    /* (non-Javadoc)
69     * @see groovy.lang.GroovyObject#setMetaClass(groovy.lang.MetaClass)
70     */
71    public void setMetaClass(final MetaClass metaClass) {
72      this.delegate = metaClass;
73    }
74  
75    /* (non-Javadoc)
76     * @see groovy.lang.GroovyObject#setProperty(java.lang.String, java.lang.Object)
77     */
78    public void setProperty(final String property, final Object newValue) {
79      this.delegate.setProperty(this.wrapped, property, newValue);
80    }
81  
82    protected Object getWrapped() {
83      return this.wrapped;
84    }
85  
86    protected MetaClass getDelegatedMetaClass() {
87      return this.delegate;
88    }
89  }