Date: 2004-11-07T03:42:45
Editor: ShinobuKawai <[EMAIL PROTECTED]>
Wiki: Jakarta-Velocity Wiki
Page: ArrayTool
URL: http://wiki.apache.org/jakarta-velocity/ArrayTool
Some refactoring.
Change Log:
------------------------------------------------------------------------------
@@ -191,40 +191,21 @@
public Object clone(Object array)
{
- // There must be a better way of doing this...
- if (array instanceof Object[])
+ if (array == null)
{
- return ((Object[]) array).clone();
+ return null;
}
- if (array instanceof long[])
+ Class clazz = array.getClass();
+ if (!clazz.isArray())
{
- return ((long[]) array).clone();
+ return null;
}
- if (array instanceof int[])
- {
- return ((int[]) array).clone();
- }
- if (array instanceof short[])
- {
- return ((short[]) array).clone();
- }
- if (array instanceof byte[])
- {
- return ((byte[]) array).clone();
- }
- if (array instanceof char[])
- {
- return ((char[]) array).clone();
- }
- if (array instanceof double[])
- {
- return ((double[]) array).clone();
- }
- if (array instanceof float[])
- {
- return ((float[]) array).clone();
- }
- return null;
+
+ Class type = clazz.getComponentType();
+ int length = Array.getLength(array);
+ Object clone = Array.newInstance(type, length);
+ System.arraycopy(array, 0, clone, 0, length);
+ return clone;
}
}
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