1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.harmony.javax.security.sasl; 19 20 import java.io.IOException; 21 22 public class SaslException extends IOException { 23 24 private static final long serialVersionUID = 4579784287983423626L; 25 26 /** 27 * Serialized field for storing initial cause 28 */ 29 private Throwable _exception; 30 SaslException()31 public SaslException() { 32 super(); 33 } 34 SaslException(String detail)35 public SaslException(String detail) { 36 super(detail); 37 } 38 SaslException(String detail, Throwable ex)39 public SaslException(String detail, Throwable ex) { 40 super(detail); 41 if (ex != null) { 42 super.initCause(ex); 43 _exception = ex; 44 } 45 } 46 47 @Override getCause()48 public Throwable getCause() { 49 return _exception; 50 } 51 52 @Override initCause(Throwable cause)53 public Throwable initCause(Throwable cause) { 54 super.initCause(cause); 55 _exception = cause; 56 return this; 57 } 58 59 @Override toString()60 public String toString() { 61 if (_exception == null) { 62 return super.toString(); 63 } 64 StringBuilder sb = new StringBuilder(super.toString()); 65 sb.append(", caused by: "); //$NON-NLS-1$ 66 sb.append(_exception.toString()); 67 return sb.toString(); 68 } 69 } 70