001 /* 002 * Copyright 2004-2005 Stephen J. McConnell. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 013 * implied. 014 * 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package net.dpml.transit; 020 021 /** 022 * Exception to indicate that the Artifact already exists in the cache and 023 * can therefor not be written to. 024 * 025 * @author <a href="http://www.dpml.net">Digital Product Management Laboratory</a> 026 * @version 2.0.1 027 */ 028 public class ArtifactAlreadyExistsException extends ArtifactException 029 { 030 /** 031 * Serial version identifier. 032 */ 033 static final long serialVersionUID = 1L; 034 035 // ------------------------------------------------------------------------ 036 // state 037 // ------------------------------------------------------------------------ 038 039 /** 040 * The artifact that we tried to write to. 041 */ 042 private final Artifact m_artifact; 043 044 // ------------------------------------------------------------------------ 045 // constructor 046 // ------------------------------------------------------------------------ 047 048 /** 049 * Construct a new <code>ArtifactAlreadyExistsException</code> instance. 050 * 051 * @param message the exception message 052 * @param artifact the subject artifact 053 */ 054 public ArtifactAlreadyExistsException( final String message, final Artifact artifact ) 055 { 056 super( message ); 057 m_artifact = artifact; 058 } 059 060 /** 061 * Returns the Artifact that were attempted to be written to. 062 * @return the subject artifact 063 */ 064 public Artifact getArtifact() 065 { 066 return m_artifact; 067 } 068 } 069