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 028import static java.util.Objects.requireNonNull; 029 030/** 031 * A resolution error policy that allows to control caching for artifacts and metadata at a global level. 032 */ 033public final class SimpleResolutionErrorPolicy 034 implements ResolutionErrorPolicy 035{ 036 037 private final int artifactPolicy; 038 039 private final int metadataPolicy; 040 041 /** 042 * Creates a new error policy with the specified behavior for both artifacts and metadata. 043 * 044 * @param cacheNotFound {@code true} to enable caching of missing items, {@code false} to disable it. 045 * @param cacheTransferErrors {@code true} to enable chaching of transfer errors, {@code false} to disable it. 046 */ 047 public SimpleResolutionErrorPolicy( boolean cacheNotFound, boolean cacheTransferErrors ) 048 { 049 this( ( cacheNotFound ? CACHE_NOT_FOUND : 0 ) | ( cacheTransferErrors ? CACHE_TRANSFER_ERROR : 0 ) ); 050 } 051 052 /** 053 * Creates a new error policy with the specified bit mask for both artifacts and metadata. 054 * 055 * @param policy The bit mask describing the policy for artifacts and metadata. 056 */ 057 public SimpleResolutionErrorPolicy( int policy ) 058 { 059 this( policy, policy ); 060 } 061 062 /** 063 * Creates a new error policy with the specified bit masks for artifacts and metadata. 064 * 065 * @param artifactPolicy The bit mask describing the policy for artifacts. 066 * @param metadataPolicy The bit mask describing the policy for metadata. 067 */ 068 public SimpleResolutionErrorPolicy( int artifactPolicy, int metadataPolicy ) 069 { 070 this.artifactPolicy = artifactPolicy; 071 this.metadataPolicy = metadataPolicy; 072 } 073 074 public int getArtifactPolicy( RepositorySystemSession session, ResolutionErrorPolicyRequest<Artifact> request ) 075 { 076 requireNonNull( session, "session cannot be null" ); 077 requireNonNull( request, "request cannot be null" ); 078 return artifactPolicy; 079 } 080 081 public int getMetadataPolicy( RepositorySystemSession session, ResolutionErrorPolicyRequest<Metadata> request ) 082 { 083 requireNonNull( session, "session cannot be null" ); 084 requireNonNull( request, "request cannot be null" ); 085 return metadataPolicy; 086 } 087 088}