org.argeo.slc.repo/src/org/eclipse/aether/RepositoryException.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2014 Sonatype, Inc.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *    Sonatype, Inc. - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.aether;
  12
  13 /**
  14  * The base class for exceptions thrown by the repository system. <em>Note:</em> Unless otherwise noted, instances of
  15  * this class and its subclasses will not persist fields carrying extended error information during serialization.
  16  */
  17 public class RepositoryException
  18     extends Exception
  19 {
  20
  21     /**
  22      * Creates a new exception with the specified detail message.
  23      *
  24      * @param message The detail message, may be {@code null}.
  25      */
  26     public RepositoryException( String message )
  27     {
  28         super( message );
  29     }
  30
  31     /**
  32      * Creates a new exception with the specified detail message and cause.
  33      *
  34      * @param message The detail message, may be {@code null}.
  35      * @param cause The exception that caused this one, may be {@code null}.
  36      */
  37     public RepositoryException( String message, Throwable cause )
  38     {
  39         super( message, cause );
  40     }
  41
  42     /**
  43      * @noreference This method is not intended to be used by clients.
  44      * @param prefix A message prefix for the cause.
  45      * @param cause The error cause.
  46      * @return The error message for the cause.
  47      */
  48     protected static String getMessage( String prefix, Throwable cause )
  49     {
  50         String msg = "";
  51         if ( cause != null )
  52         {
  53             msg = cause.getMessage();
  54             if ( msg == null || msg.length() <= 0 )
  55             {
  56                 msg = cause.getClass().getSimpleName();
  57             }
  58             msg = prefix + msg;
  59         }
  60         return msg;
  61     }
  62
  63 }