diff options
Diffstat (limited to 'plugins/org.eclipse.wst.common.emf/wtpemf/org/eclipse/wst/common/internal/emf/utilities/Assert.java')
| -rw-r--r-- | plugins/org.eclipse.wst.common.emf/wtpemf/org/eclipse/wst/common/internal/emf/utilities/Assert.java | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/plugins/org.eclipse.wst.common.emf/wtpemf/org/eclipse/wst/common/internal/emf/utilities/Assert.java b/plugins/org.eclipse.wst.common.emf/wtpemf/org/eclipse/wst/common/internal/emf/utilities/Assert.java deleted file mode 100644 index 3a447519d..000000000 --- a/plugins/org.eclipse.wst.common.emf/wtpemf/org/eclipse/wst/common/internal/emf/utilities/Assert.java +++ /dev/null @@ -1,131 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2003, 2005 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.common.internal.emf.utilities; - -import org.eclipse.jem.util.logger.proxy.Logger; - - - -/** - * <code>Assert</code> is useful for for embedding runtime sanity checks in code. The predicate - * methods all test a condition and throw some type of unchecked exception if the condition does not - * hold. - * <p> - * Assertion failure exceptions, like most runtime exceptions, are thrown when something is - * misbehaving. Assertion failures are invariably unspecified behavior; consequently, clients should - * never rely on these being thrown (and certainly should not being catching them specifically). - * </p> - */ -// This class was, originally, copied directly from com.ibm.itp.common. -// It was copied to our own package just to minimize minor dependencies -// on other packages and internal APIs. -public final class Assert { - /* This class is not intended to be instantiated. */ - - private Assert() { - } - - /** - * 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(); - 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) { - Logger.getLogger().logError("null_argument: " + message);//$NON-NLS-1$ - throw new AssertionFailedException(); - } - } - - /** - * 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) { - Logger.getLogger().logError("assertion failed: " + message);//$NON-NLS-1$ - throw new AssertionFailedException(); - } - return expression; - } -} |