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Diffstat (limited to 'src/org/apache/http/util/ExceptionUtils.java')
-rw-r--r-- | src/org/apache/http/util/ExceptionUtils.java | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/org/apache/http/util/ExceptionUtils.java b/src/org/apache/http/util/ExceptionUtils.java deleted file mode 100644 index c7fdccd..0000000 --- a/src/org/apache/http/util/ExceptionUtils.java +++ /dev/null @@ -1,85 +0,0 @@ -/* - * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/util/ExceptionUtils.java $ - * $Revision: 613003 $ - * $Date: 2008-01-17 15:00:42 -0800 (Thu, 17 Jan 2008) $ - * - * ==================================================================== - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - */ -package org.apache.http.util; - -import java.lang.reflect.Method; - -/** - * The home for utility methods that handle various exception-related tasks. - * - * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> - * @author <a href="mailto:laura@lwerner.org">Laura Werner</a> - * - * @since 4.0 - */ -public final class ExceptionUtils { - - /** A reference to Throwable's initCause method, or null if it's not there in this JVM */ - static private final Method INIT_CAUSE_METHOD = getInitCauseMethod(); - - /** - * Returns a <code>Method<code> allowing access to - * {@link Throwable#initCause(Throwable) initCause} method of {@link Throwable}, - * or <code>null</code> if the method - * does not exist. - * - * @return A <code>Method<code> for <code>Throwable.initCause</code>, or - * <code>null</code> if unavailable. - */ - static private Method getInitCauseMethod() { - try { - Class[] paramsClasses = new Class[] { Throwable.class }; - return Throwable.class.getMethod("initCause", paramsClasses); - } catch (NoSuchMethodException e) { - return null; - } - } - - /** - * If we're running on JDK 1.4 or later, initialize the cause for the given throwable. - * - * @param throwable The throwable. - * @param cause The cause of the throwable. - */ - public static void initCause(Throwable throwable, Throwable cause) { - if (INIT_CAUSE_METHOD != null) { - try { - INIT_CAUSE_METHOD.invoke(throwable, new Object[] { cause }); - } catch (Exception e) { - // Well, with no logging, the only option is to munch the exception - } - } - } - - private ExceptionUtils() { - } - -} |