001package org.eclipse.aether.util.repository;
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.RepositorySystemSession;
023import org.eclipse.aether.artifact.Artifact;
024import org.eclipse.aether.metadata.Metadata;
025import org.eclipse.aether.resolution.ResolutionErrorPolicy;
026import org.eclipse.aether.resolution.ResolutionErrorPolicyRequest;
027
028/**
029 * A resolution error policy that allows to control caching for artifacts and metadata at a global level.
030 */
031public final class SimpleResolutionErrorPolicy
032    implements ResolutionErrorPolicy
033{
034
035    private final int artifactPolicy;
036
037    private final int metadataPolicy;
038
039    /**
040     * Creates a new error policy with the specified behavior for both artifacts and metadata.
041     * 
042     * @param cacheNotFound {@code true} to enable caching of missing items, {@code false} to disable it.
043     * @param cacheTransferErrors {@code true} to enable chaching of transfer errors, {@code false} to disable it.
044     */
045    public SimpleResolutionErrorPolicy( boolean cacheNotFound, boolean cacheTransferErrors )
046    {
047        this( ( cacheNotFound ? CACHE_NOT_FOUND : 0 ) | ( cacheTransferErrors ? CACHE_TRANSFER_ERROR : 0 ) );
048    }
049
050    /**
051     * Creates a new error policy with the specified bit mask for both artifacts and metadata.
052     * 
053     * @param policy The bit mask describing the policy for artifacts and metadata.
054     */
055    public SimpleResolutionErrorPolicy( int policy )
056    {
057        this( policy, policy );
058    }
059
060    /**
061     * Creates a new error policy with the specified bit masks for artifacts and metadata.
062     * 
063     * @param artifactPolicy The bit mask describing the policy for artifacts.
064     * @param metadataPolicy The bit mask describing the policy for metadata.
065     */
066    public SimpleResolutionErrorPolicy( int artifactPolicy, int metadataPolicy )
067    {
068        this.artifactPolicy = artifactPolicy;
069        this.metadataPolicy = metadataPolicy;
070    }
071
072    public int getArtifactPolicy( RepositorySystemSession session, ResolutionErrorPolicyRequest<Artifact> request )
073    {
074        return artifactPolicy;
075    }
076
077    public int getMetadataPolicy( RepositorySystemSession session, ResolutionErrorPolicyRequest<Metadata> request )
078    {
079        return metadataPolicy;
080    }
081
082}