org.argeo.util/src/org/argeo/ArgeoException.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo;
  17
  18 /** Argeo Commons specific exception. */
  19 public class ArgeoException extends RuntimeException {
  20         private static final long serialVersionUID = 1L;
  21
  22         /** Creates an exception with a message. */
  23         public ArgeoException(String message) {
  24                 super(message);
  25         }
  26
  27         /** Creates an exception with a message and a root cause. */
  28         public ArgeoException(String message, Throwable e) {
  29                 super(message, e);
  30         }
  31
  32         /**
  33          * Chain the messages of all causes (one per line, <b>starts with a line
  34          * return</b>) without all the stack
  35          */
  36         public static String chainCausesMessages(Throwable t) {
  37                 StringBuffer buf = new StringBuffer();
  38                 chainCauseMessage(buf, t);
  39                 return buf.toString();
  40         }
  41
  42         /** Recursive chaining of messages */
  43         private static void chainCauseMessage(StringBuffer buf, Throwable t) {
  44                 buf.append('\n').append(' ').append(t.getClass().getCanonicalName())
  45                                 .append(": ").append(t.getMessage());
  46                 if (t.getCause() != null)
  47                         chainCauseMessage(buf, t.getCause());
  48         }
  49 }