/*
* Copyright 2011 Revelytix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mulgara.util;
/**
* Purpose: A utility class for general objects.<P>
*
* Creation Date: 7 September 2011 <P>
*
* Original Author: Paula Gearon (pgearon@revelytix.com) <P>
*
* Company: Revelytix, Inc. <P>
*
* License: LGPL by default, or as assigned
*/
public class ObjectUtil {
/**
* Simple test to see if two objects are equal, even if null.
* @param a The first object to test.
* @param b The second object to test.
* @return <code>true</code> only if both objects are null, or equal.
*/
public static final boolean eq(Object a, Object b) {
return a == null ? b == null : a.equals(b);
}
/**
* Obtain a class loader for an object.
* @param o The object to get the classloader for.
* @return The classloader that loaded the class of o.
*/
public static ClassLoader getClassLoader(Object o) {
ClassLoader c = o.getClass().getClassLoader();
if (c == null) c = ClassLoader.getSystemClassLoader();
if (c == null) throw new RuntimeException("Can't find a class loader");
return c;
}
}