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.artifact; 020 021 import net.dpml.transit.Artifact; 022 023 /** 024 * Exception to indicate that the Artifact already exists in the cache and 025 * can therefor not be written to. 026 * 027 * @author <a href="http://www.dpml.net">Digital Product Meta Library</a> 028 * @version 1.0.3 029 */ 030 public class ArtifactAlreadyExistsException extends ArtifactException 031 { 032 /** 033 * Serial version identifier. 034 */ 035 static final long serialVersionUID = 1L; 036 037 // ------------------------------------------------------------------------ 038 // state 039 // ------------------------------------------------------------------------ 040 041 /** 042 * The artifact that we tried to write to. 043 */ 044 private final Artifact m_artifact; 045 046 // ------------------------------------------------------------------------ 047 // constructor 048 // ------------------------------------------------------------------------ 049 050 /** 051 * Construct a new <code>ArtifactAlreadyExistsException</code> instance. 052 * 053 * @param message the exception message 054 * @param artifact the subject artifact 055 */ 056 public ArtifactAlreadyExistsException( final String message, final Artifact artifact ) 057 { 058 super( message ); 059 m_artifact = artifact; 060 } 061 062 /** 063 * Returns the Artifact that were attempted to be written to. 064 * @return the subject artifact 065 */ 066 public Artifact getArtifact() 067 { 068 return m_artifact; 069 } 070 } 071