Assert Util : Assert « Language Basics « Java

1. Java
2. Language Basics
3. Assert

Assert Util

        

//package org.gwtoolbox.commons.util.client;

/**
 * @author Uri Boness
 */
public class Assert {

    public static void isEqual(Object o1, Object o2) throws IllegalArgumentException {
        isEqual(o1, o2, "Assertion failed: two given objects are expected to be equal");
    }

    public static void isEqual(Object o1, Object o2, String message) throws IllegalArgumentException {
        if (!o1.equals(o2)) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isSame(Object o1, Object o2) {
        isSame(o1, o2, "Assertion failed: two give object are expected to be the same object");
    }

    public static void isSame(Object o1, Object o2, String message) {
        if (o1 != o2) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void notNull(Object object) {
        notNull(object, "Assertion failed: give object cannot be null");
    }

    public static void notNull(Object object, String message) {
        if (object == null) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isTrue(boolean expression) {
        isTrue(expression, "Assertion failed: give expression is expected to be true");
    }

    public static void isTrue(boolean expression, String message) {
        if (!expression) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isFalse(boolean expression) {
        isFalse(expression, "Assertion failed: give expression is expected to be false");
    }

    public static void isFalse(boolean expression, String message) {
        isTrue(!expression, message);
    }

    public static void state(boolean expression) throws IllegalStateException {
        state(expression, "Assertion failed: illegal state");
    }

    public static void state(boolean expression, String message) throws IllegalStateException {
        if (!expression) {
            throw new IllegalStateException(message);
        }
    }

}

   
    
    
    
    
    
    
    
  

Related examples in the same category