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/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare.tests;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public class ReflectionUtils {
public static Object callMethod(Object object, String name, Object args[])
throws IllegalArgumentException, IllegalAccessException,
InvocationTargetException, NoSuchMethodException {
Class types[] = new Class[args.length];
for (int i = 0; i < args.length; i++) {
types[i] = args[i].getClass();
}
Method method = null;
Class clazz = object.getClass();
NoSuchMethodException ex = null;
while (method == null && clazz != null) {
try {
method = clazz.getDeclaredMethod(name, types);
} catch (NoSuchMethodException e) {
if (ex == null) {
ex = e;
}
clazz = clazz.getSuperclass();
}
}
if (method == null) {
throw ex;
}
method.setAccessible(true);
Object ret = method.invoke(object, args);
return ret;
}
public static Object getField(Object object, String name)
throws IllegalArgumentException, IllegalAccessException,
SecurityException, NoSuchFieldException {
Field field = object.getClass().getDeclaredField(name);
field.setAccessible(true);
Object ret = field.get(object);
return ret;
}
}
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