1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.eclipse.aether.util.repository;
20
21 import org.eclipse.aether.RepositorySystemSession;
22 import org.eclipse.aether.artifact.Artifact;
23 import org.eclipse.aether.metadata.Metadata;
24 import org.eclipse.aether.resolution.ResolutionErrorPolicy;
25 import org.eclipse.aether.resolution.ResolutionErrorPolicyRequest;
26
27 import static java.util.Objects.requireNonNull;
28
29 /**
30 * A resolution error policy that allows to control caching for artifacts and metadata at a global level.
31 */
32 public final class SimpleResolutionErrorPolicy implements ResolutionErrorPolicy {
33
34 private final int artifactPolicy;
35
36 private final int metadataPolicy;
37
38 /**
39 * Creates a new error policy with the specified behavior for both artifacts and metadata.
40 *
41 * @param cacheNotFound {@code true} to enable caching of missing items, {@code false} to disable it.
42 * @param cacheTransferErrors {@code true} to enable chaching of transfer errors, {@code false} to disable it.
43 */
44 public SimpleResolutionErrorPolicy(boolean cacheNotFound, boolean cacheTransferErrors) {
45 this((cacheNotFound ? CACHE_NOT_FOUND : 0) | (cacheTransferErrors ? CACHE_TRANSFER_ERROR : 0));
46 }
47
48 /**
49 * Creates a new error policy with the specified bit mask for both artifacts and metadata.
50 *
51 * @param policy The bit mask describing the policy for artifacts and metadata.
52 */
53 public SimpleResolutionErrorPolicy(int policy) {
54 this(policy, policy);
55 }
56
57 /**
58 * Creates a new error policy with the specified bit masks for artifacts and metadata.
59 *
60 * @param artifactPolicy The bit mask describing the policy for artifacts.
61 * @param metadataPolicy The bit mask describing the policy for metadata.
62 */
63 public SimpleResolutionErrorPolicy(int artifactPolicy, int metadataPolicy) {
64 this.artifactPolicy = artifactPolicy;
65 this.metadataPolicy = metadataPolicy;
66 }
67
68 public int getArtifactPolicy(RepositorySystemSession session, ResolutionErrorPolicyRequest<Artifact> request) {
69 requireNonNull(session, "session cannot be null");
70 requireNonNull(request, "request cannot be null");
71 return artifactPolicy;
72 }
73
74 public int getMetadataPolicy(RepositorySystemSession session, ResolutionErrorPolicyRequest<Metadata> request) {
75 requireNonNull(session, "session cannot be null");
76 requireNonNull(request, "request cannot be null");
77 return metadataPolicy;
78 }
79 }