1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.util;
24  
25  import com.liferay.portal.kernel.bean.BeanPropertiesUtil;
26  
27  /**
28   * <a href="SimplePojoClp.java.html"><b><i>View Source</i></b></a>
29   *
30   * <p>
31   * A class loader proxy able to serialize simple POJOs between two class
32   * loaders. It only works for simple POJOs following the Java Beans semantics.
33   * The local and remote classes do not have to match or even be derived from
34   * each other as long as their properties match. Any bean properties that the
35   * source bean exposes but the target bean does not will silently be ignored.
36   * </p>
37   *
38   * @author Micha Kiener
39   * @author Brian Wing Shun Chan
40   */
41  public class SimplePojoClp<T> {
42  
43      public SimplePojoClp(
44              Class<? extends T> localImplementationClass,
45              ClassLoader remoteClassLoader)
46          throws ClassNotFoundException {
47  
48          this(
49              localImplementationClass, remoteClassLoader,
50              localImplementationClass.getName());
51      }
52  
53      public SimplePojoClp(
54              Class<? extends T> localImplementationClass,
55              ClassLoader remoteClassLoader, String remoteImplementationClassName)
56          throws ClassNotFoundException {
57  
58          _localImplementationClass = localImplementationClass;
59          _remoteClassLoader = remoteClassLoader;
60          _remoteImplementationClass = _remoteClassLoader.loadClass(
61              remoteImplementationClassName);
62      }
63  
64      public T createLocalObject(Object remoteInstance)
65          throws IllegalAccessException, InstantiationException {
66  
67          T localInstance = _localImplementationClass.newInstance();
68  
69          BeanPropertiesUtil.copyProperties(
70              remoteInstance, localInstance, _localImplementationClass);
71  
72          return localInstance;
73      }
74  
75      public Object createRemoteObject(T localInstance)
76          throws IllegalAccessException, InstantiationException {
77  
78          Object remoteInstance = _remoteImplementationClass.newInstance();
79  
80          BeanPropertiesUtil.copyProperties(
81              localInstance, remoteInstance, _remoteImplementationClass);
82  
83          return remoteInstance;
84      }
85  
86      private Class<? extends T> _localImplementationClass;
87      private ClassLoader _remoteClassLoader;
88      private Class<?> _remoteImplementationClass;
89  
90  }