rdonkin 2004/01/08 14:38:11
Modified: beanutils/src/java/org/apache/commons/beanutils
WrapDynaBean.java
beanutils/src/test/org/apache/commons/beanutils
WrapDynaBeanTestCase.java
Log:
Added ability to get wrapped instance to WrapDynaBean's. Submitted by Niall
Pemberton.
Revision Changes Path
1.8 +31 -5
jakarta-commons/beanutils/src/java/org/apache/commons/beanutils/WrapDynaBean.java
Index: WrapDynaBean.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/beanutils/src/java/org/apache/commons/beanutils/WrapDynaBean.java,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- WrapDynaBean.java 9 Oct 2003 20:43:15 -0000 1.7
+++ WrapDynaBean.java 8 Jan 2004 22:38:11 -0000 1.8
@@ -7,7 +7,7 @@
*
* The Apache Software License, Version 1.1
*
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
+ * Copyright (c) 2001-2004 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -70,6 +70,18 @@
* <p>Implementation of <code>DynaBean</code> that wraps a standard JavaBean
* instance, so that DynaBean APIs can be used to access its properties.</p>
*
+ * <p>
+ * The most common use cases for this class involve wrapping an existing java bean.
+ * (This makes it different from the typical use cases for other
<code>DynaBean</code>'s.)
+ * For example:
+ * </p>
+ * <code><pre>
+ * Object aJavaBean = ...;
+ * ...
+ * DynaBean db = new WrapDynaBean(aJavaBean);
+ * ...
+ * </pre></code>
+ *
* <p><strong>IMPLEMENTATION NOTE</strong> - This implementation does not
* support the <code>contains()</code> and <code>remove()</code> methods.</p>
*
@@ -323,6 +335,20 @@
("Property '" + name + "' has no mapped write method");
}
+ }
+
+ /**
+ * Gets the bean instance wrapped by this DynaBean.
+ * For most common use cases,
+ * this object should already be known
+ * and this method safely be ignored.
+ * But some creators of frameworks using <code>DynaBean</code>'s may
+ * find this useful.
+ *
+ * @return the java bean Object wrapped by this <code>DynaBean</code>
+ */
+ public Object getInstance() {
+ return instance;
}
1.7 +15 -5
jakarta-commons/beanutils/src/test/org/apache/commons/beanutils/WrapDynaBeanTestCase.java
Index: WrapDynaBeanTestCase.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/beanutils/src/test/org/apache/commons/beanutils/WrapDynaBeanTestCase.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- WrapDynaBeanTestCase.java 9 Oct 2003 20:40:07 -0000 1.6
+++ WrapDynaBeanTestCase.java 8 Jan 2004 22:38:11 -0000 1.7
@@ -7,7 +7,7 @@
*
* The Apache Software License, Version 1.1
*
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
+ * Copyright (c) 2001-2004 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -204,5 +204,15 @@
* is not serializable.
*/
public void testSerialization() { }
+
+ /** Tests getInstance method */
+ public void testGetInstance() {
+ AlphaBean alphaBean = new AlphaBean("Now On Air... John Peel");
+ WrapDynaBean dynaBean = new WrapDynaBean(alphaBean);
+ Object wrappedInstance = dynaBean.getInstance();
+ assertTrue("Object type is AlphaBean", wrappedInstance instanceof
AlphaBean);
+ AlphaBean wrappedAlphaBean = (AlphaBean) wrappedInstance;
+ assertTrue("Same Object", wrappedAlphaBean == alphaBean);
+ }
}
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