public static Object deepCopy()

in src/com/vmware/vim/cf/DeepCopier.java [53:103]

44 lines of code
10 McCabe index (conditional complexity)


	public static Object deepCopy(Object src) throws InstantiationException, IllegalAccessException
	{
		Class<?> clazz = src.getClass();

		// Just check if the object is mutable.
		// We assume the object that is final is likely immutable. 
		// It's true for String, Integer and other data types.
		if(Modifier.isFinal(clazz.getModifiers()))
		{
          return src; 
		}

		Object dst = clazz.newInstance();
		if(src instanceof Calendar)
		{
			((Calendar)dst).setTimeInMillis(((Calendar)src).getTimeInMillis());
			return dst;
		}
		
		Field[] fields = clazz.getFields();
		for(int i=0; i<fields.length; i++)
		{
			Object fObj = fields[i].get(src);
			if(fObj == null)
			{
				continue;
			}
			Class<?> fRealType = fObj.getClass();
			if((!fRealType.isPrimitive()) 
			  || (!fRealType.isEnum())
			  || fRealType.getPackage() != JAVA_LANG_PKG)
			{
				if(fRealType.isArray())
				{
					Object[] items = (Object[]) fObj;
					fObj = Array.newInstance(fRealType.getComponentType(), items.length);
					for(int j=0; j<items.length; j++)
					{
						Array.set(fObj, j, deepCopy(items[j]));
					}
				}
				else
				{
					fObj = deepCopy(fObj);
				}
			}
			fields[i].set(dst, fObj);
		}
		
		return dst;
	}