+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.core;
-
-/* This class is not intended to be instantiated. */
-public final class Assert {
-
- private Assert() {
- // cannot be instantiated
- }
-
- /**
- * Asserts that an argument is legal. If the given boolean is not
- * <code>true</code>, an <code>IllegalArgumentException</code> is
- * thrown.
- *
- * @param expression
- * the outcode of the check
- * @return <code>true</code> if the check passes (does not return if the
- * check fails)
- * @exception IllegalArgumentException
- * if the legality test failed
- */
- public static boolean isLegal(boolean expression) {
- return isLegal(expression, ""); //$NON-NLS-1$
- }
-
- /**
- * Asserts that an argument is legal. If the given boolean is not
- * <code>true</code>, an <code>IllegalArgumentException</code> is
- * thrown. The given message is included in that exception, to aid
- * debugging.
- *
- * @param expression
- * the outcode of the check
- * @param message
- * the message to include in the exception
- * @return <code>true</code> if the check passes (does not return if the
- * check fails)
- * @exception IllegalArgumentException
- * if the legality test failed
- */
- public static boolean isLegal(boolean expression, String message) {
- if (!expression)
- throw new IllegalArgumentException(message);
- return expression;
- }
-
- /**
- * Asserts that the given object is not <code>null</code>. If this is not
- * the case, some kind of unchecked exception is thrown.
- *
- * @param object
- * the value to test
- * @exception IllegalArgumentException
- * if the object is <code>null</code>
- */
- public static void isNotNull(Object object) {
- isNotNull(object, ""); //$NON-NLS-1$
- }
-
- /**
- * Asserts that the given object is not <code>null</code>. If this is not
- * the case, some kind of unchecked exception is thrown. The given message
- * is included in that exception, to aid debugging.
- *
- * @param object
- * the value to test
- * @param message
- * the message to include in the exception
- * @exception IllegalArgumentException
- * if the object is <code>null</code>
- */
- public static void isNotNull(Object object, String message) {
- if (object == null)
- throw new AssertionFailedException("null argument; " + message); //$NON-NLS-1$
- }
-
- /**
- * Asserts that the given boolean is <code>true</code>. If this is not
- * the case, some kind of unchecked exception is thrown.
- *
- * @param expression
- * the outcode of the check
- * @return <code>true</code> if the check passes (does not return if the
- * check fails)
- */
- public static boolean isTrue(boolean expression) {
- return isTrue(expression, ""); //$NON-NLS-1$
- }
-
- /**
- * Asserts that the given boolean is <code>true</code>. If this is not
- * the case, some kind of unchecked exception is thrown. The given message
- * is included in that exception, to aid debugging.
- *
- * @param expression
- * the outcode of the check
- * @param message
- * the message to include in the exception
- * @return <code>true</code> if the check passes (does not return if the
- * check fails)
- */
- public static boolean isTrue(boolean expression, String message) {
- if (!expression)
- throw new AssertionFailedException("Assertion failed; " + message); //$NON-NLS-1$
- return expression;
- }
-
- public static class AssertionFailedException extends RuntimeException {
- public AssertionFailedException(String detail) {
- super(detail);
- }
- }
-}