001package org.eclipse.aether.transfer;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.eclipse.aether.artifact.Artifact;
023import org.eclipse.aether.artifact.ArtifactProperties;
024import org.eclipse.aether.repository.RemoteRepository;
025
026/**
027 * Thrown when an artifact was not found in a particular repository.
028 */
029public class ArtifactNotFoundException
030    extends ArtifactTransferException
031{
032
033    /**
034     * Creates a new exception with the specified artifact and repository.
035     * 
036     * @param artifact The missing artifact, may be {@code null}.
037     * @param repository The involved remote repository, may be {@code null}.
038     */
039    public ArtifactNotFoundException( Artifact artifact, RemoteRepository repository )
040    {
041        super( artifact, repository, getMessage( artifact, repository ) );
042    }
043
044    private static String getMessage( Artifact artifact, RemoteRepository repository )
045    {
046        StringBuilder buffer = new StringBuilder( 256 );
047        buffer.append( "Could not find artifact " ).append( artifact );
048        buffer.append( getString( " in ", repository ) );
049        if ( artifact != null )
050        {
051            String localPath = artifact.getProperty( ArtifactProperties.LOCAL_PATH, null );
052            if ( localPath != null && repository == null )
053            {
054                buffer.append( " at specified path " ).append( localPath );
055            }
056            String downloadUrl = artifact.getProperty( ArtifactProperties.DOWNLOAD_URL, null );
057            if ( downloadUrl != null )
058            {
059                buffer.append( ", try downloading from " ).append( downloadUrl );
060            }
061        }
062        return buffer.toString();
063    }
064
065    /**
066     * Creates a new exception with the specified artifact, repository and detail message.
067     * 
068     * @param artifact The missing artifact, may be {@code null}.
069     * @param repository The involved remote repository, may be {@code null}.
070     * @param message The detail message, may be {@code null}.
071     */
072    public ArtifactNotFoundException( Artifact artifact, RemoteRepository repository, String message )
073    {
074        super( artifact, repository, message );
075    }
076
077    /**
078     * Creates a new exception with the specified artifact, repository and detail message.
079     * 
080     * @param artifact The missing artifact, may be {@code null}.
081     * @param repository The involved remote repository, may be {@code null}.
082     * @param message The detail message, may be {@code null}.
083     * @param fromCache {@code true} if the exception was played back from the error cache, {@code false} if the
084     *            exception actually just occurred.
085     */
086    public ArtifactNotFoundException( Artifact artifact, RemoteRepository repository, String message, boolean fromCache )
087    {
088        super( artifact, repository, message, fromCache );
089    }
090
091    /**
092     * Creates a new exception with the specified artifact, repository, detail message and cause.
093     * 
094     * @param artifact The missing artifact, may be {@code null}.
095     * @param repository The involved remote repository, may be {@code null}.
096     * @param message The detail message, may be {@code null}.
097     * @param cause The exception that caused this one, may be {@code null}.
098     */
099    public ArtifactNotFoundException( Artifact artifact, RemoteRepository repository, String message, Throwable cause )
100    {
101        super( artifact, repository, message, cause );
102    }
103
104}