+++ /dev/null
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-package net.sourceforge.phpdt.internal.corext;
-
-// import
-// org.phpeclipse.phpdt.internal.corext.refactoring.RefactoringCoreMessages;
-
-/**
- * <code>Assert</code> is useful for for embedding runtime sanity checks in
- * code. The static 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 (or
- * not thrown). <b>If you find yourself in the position where you need to catch
- * an assertion failure, you have most certainly written your program
- * incorrectly.</b>
- * </p>
- * <p>
- * Note that an <code>assert</code> statement is slated to be added to the
- * Java language in JDK 1.4, rending this class obsolete.
- * </p>
- */
-public final class Assert {
-
- /**
- * <code>AssertionFailedException</code> is a runtime exception thrown by
- * some of the methods in <code>Assert</code>.
- * <p>
- * This class is not declared public to prevent some misuses; programs that
- * catch or otherwise depend on assertion failures are susceptible to
- * unexpected breakage when assertions in the code are added or removed.
- * </p>
- */
- public static class AssertionFailedException extends RuntimeException {
-
- /**
- * Constructs a new exception.
- */
- public AssertionFailedException() {
- }
-
- /**
- * Constructs a new exception with the given message.
- */
- public AssertionFailedException(String detail) {
- super(detail);
- }
- }
-
- /* This class is not intended to be instantiated. */
- private Assert() {
- }
-
- /**
- * Asserts that the given object is not <code>null</code>. If this is not
- * the case, some kind of unchecked exception is thrown.
- * <p>
- * As a general rule, parameters passed to API methods must not be
- * <code>null</code> unless <b>explicitly</b> allowed in the method's
- * specification. Similarly, results returned from API methods are never
- * <code>null</code> unless <b>explicitly</b> allowed in the method's
- * specification. Implementations are encouraged to make regular use of
- * <code>Assert.isNotNull</code> to ensure that <code>null</code>
- * parameters are detected as early as possible.
- * </p>
- *
- * @param object
- * the value to test
- */
- public static void isNotNull(Object object) {
- // succeed as quickly as possible
- if (object != null) {
- return;
- }
- 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.
- * <p>
- * As a general rule, parameters passed to API methods must not be
- * <code>null</code> unless <b>explicitly</b> allowed in the method's
- * specification. Similarly, results returned from API methods are never
- * <code>null</code> unless <b>explicitly</b> allowed in the method's
- * specification. Implementations are encouraged to make regular use of
- * <code>Assert.isNotNull</code> to ensure that <code>null</code>
- * parameters are detected as early as possible.
- * </p>
- *
- * @param object
- * the value to test
- * @param message
- * the message to include in the exception
- */
- public static void isNotNull(Object object, String message) {
- if (object == null)
- throw new AssertionFailedException("nullargument" + 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 outcome of the check
- * @return <code>true</code> if the check passes (does not return if the
- * check fails)
- */
- public static boolean isTrue(boolean expression) {
- // succeed as quickly as possible
- if (expression) {
- return true;
- }
- 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 outcome 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;
- }
-
-}
git://git.phpeclipse.com / phpeclipse.git / blobdiff