com.jdroid.java.utils.ObjectUtils Maven / Gradle / Ivy

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package com.jdroid.java.utils;

/**
 * 
 * Operations on Object.
 * 
 */
public class ObjectUtils {
	
	/**
	 * 
	 * Compares two objects for equality, where either one or both objects may be null.
	 * 
	 * 
	 * 	 * ObjectUtils.equals(null, null)                  = true
	 * ObjectUtils.equals(null, "")                    = false
	 * ObjectUtils.equals("", null)                    = false
	 * ObjectUtils.equals("", "")                      = true
	 * ObjectUtils.equals(Boolean.TRUE, null)          = false
	 * ObjectUtils.equals(Boolean.TRUE, "true")        = false
	 * ObjectUtils.equals(Boolean.TRUE, Boolean.TRUE)  = true
	 * ObjectUtils.equals(Boolean.TRUE, Boolean.FALSE) = false
	 * 
	 * 
	 * @param object1 the first object, may be null
	 * @param object2 the second object, may be null
	 * @return true if the values of both objects are the same
	 */
	public static boolean equals(Object object1, Object object2) {
		if (object1 == object2) {
			return true;
		}
		if ((object1 == null) || (object2 == null)) {
			return false;
		}
		return object1.equals(object2);
	}
	
}