org.argouml.model.uml
Class CopyHelper
java.lang.Object
|
+--org.argouml.model.uml.CopyHelper
- public final class CopyHelper
- extends java.lang.Object
Utility class to facilitate copying model elements.
- Since:
- 0.13.2
Method Summary |
private void |
add(java.lang.Class type,
java.lang.Class param,
java.lang.Object obj,
java.lang.String name)
Adds a copy handler for objects of type type. |
java.lang.Object |
copy(java.lang.Object anelement,
java.lang.Object ans)
Make a copy of element. |
static CopyHelper |
getHelper()
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
cat
protected static Logger cat
theInstance
private static CopyHelper theInstance
copyfunctions
private java.util.HashMap copyfunctions
CopyHelper
private CopyHelper()
getHelper
public static CopyHelper getHelper()
add
private void add(java.lang.Class type,
java.lang.Class param,
java.lang.Object obj,
java.lang.String name)
- Adds a copy handler for objects of type type.
Since copy functions could be either instance or static
functions, if obj is an instance of Class then the function
is assumed to be static and will be looked up in obj. Otherwise
the function will be looked up in the Class of obj and invoked on
obj.
- Parameters:
type
- is the type to catch.param
- is the parameter type of the copy function.obj
- is described above.name
- is the name of the copy function.
copy
public java.lang.Object copy(java.lang.Object anelement,
java.lang.Object ans)
- Make a copy of element.
This function may fail and return null for any of the following
reasons:
1. No copy function is known for element's type.
2. The copy function fails or throws.
- Parameters:
anelement
- is the element to copy.
- Returns:
- a copy of element, or null.
- Throws:
java.lang.NullPointerException
- if element is null.