| /* |
| * 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. |
| * |
| */ |
| package org.apache.directory.shared.ldap.util; |
| |
| |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| |
| |
| /** |
| * The base class of all errors which can contain other exceptions. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class NestableError extends Error implements Nestable |
| { |
| |
| static final long serialVersionUID = -9211839990752243375L; |
| |
| /** |
| * The helper instance which contains much of the code which we delegate to. |
| */ |
| protected NestableDelegate delegate = new NestableDelegate( this ); |
| |
| /** |
| * Holds the reference to the exception or error that caused this exception |
| * to be thrown. |
| */ |
| private Throwable cause = null; |
| |
| |
| /** |
| * Constructs a new <code>NestableError</code> without specified detail |
| * message. |
| */ |
| public NestableError() |
| { |
| super(); |
| } |
| |
| |
| /** |
| * Constructs a new <code>NestableError</code> with specified detail |
| * message. |
| * |
| * @param msg |
| * The error message. |
| */ |
| public NestableError(String msg) |
| { |
| super( msg ); |
| } |
| |
| |
| /** |
| * Constructs a new <code>NestableError</code> with specified nested |
| * <code>Throwable</code>. |
| * |
| * @param cause |
| * the exception or error that caused this exception to be thrown |
| */ |
| public NestableError(Throwable cause) |
| { |
| super(); |
| this.cause = cause; |
| } |
| |
| |
| /** |
| * Constructs a new <code>NestableError</code> with specified detail |
| * message and nested <code>Throwable</code>. |
| * |
| * @param msg |
| * the error message |
| * @param cause |
| * the exception or error that caused this exception to be thrown |
| */ |
| public NestableError(String msg, Throwable cause) |
| { |
| super( msg ); |
| this.cause = cause; |
| } |
| |
| |
| public Throwable getCause() |
| { |
| return cause; |
| } |
| |
| |
| /** |
| * Returns the detail message string of this throwable. If it was created |
| * with a null message, returns the following: (cause==null ? null : |
| * cause.toString()). |
| */ |
| public String getMessage() |
| { |
| if ( super.getMessage() != null ) |
| { |
| return super.getMessage(); |
| } |
| else if ( cause != null ) |
| { |
| return cause.toString(); |
| } |
| else |
| { |
| return null; |
| } |
| } |
| |
| |
| public String getMessage( int index ) |
| { |
| if ( index == 0 ) |
| { |
| return super.getMessage(); |
| } |
| else |
| { |
| return delegate.getMessage( index ); |
| } |
| } |
| |
| |
| public String[] getMessages() |
| { |
| return delegate.getMessages(); |
| } |
| |
| |
| public Throwable getThrowable( int index ) |
| { |
| return delegate.getThrowable( index ); |
| } |
| |
| |
| public int getThrowableCount() |
| { |
| return delegate.getThrowableCount(); |
| } |
| |
| |
| public Throwable[] getThrowables() |
| { |
| return delegate.getThrowables(); |
| } |
| |
| |
| public int indexOfThrowable( Class type ) |
| { |
| return delegate.indexOfThrowable( type, 0 ); |
| } |
| |
| |
| public int indexOfThrowable( Class type, int fromIndex ) |
| { |
| return delegate.indexOfThrowable( type, fromIndex ); |
| } |
| |
| |
| public void printStackTrace() |
| { |
| delegate.printStackTrace(); |
| } |
| |
| |
| public void printStackTrace( PrintStream out ) |
| { |
| delegate.printStackTrace( out ); |
| } |
| |
| |
| public void printStackTrace( PrintWriter out ) |
| { |
| delegate.printStackTrace( out ); |
| } |
| |
| |
| public final void printPartialStackTrace( PrintWriter out ) |
| { |
| super.printStackTrace( out ); |
| } |
| } |