Returns true if both objects are equal, even if any of them is null

equalsNullSafe.java

/*
Copyright 2014 Arturo Tena
 
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.
*/
/** Returns true if both objects are equal, even if any of them is null */
boolean equalsNullSafe(Object o1, Object o2) {
	if (o1 != null)
		return o1.equals(o2);
	return o2 == null;
}