diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/legacy/resolver/conflict/NewestConflictResolver.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/legacy/resolver/conflict/NewestConflictResolver.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/legacy/resolver/conflict/NewestConflictResolver.java b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/legacy/resolver/conflict/NewestConflictResolver.java new file mode 100644 index 00000000..1879a813 --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/legacy/resolver/conflict/NewestConflictResolver.java @@ -0,0 +1,62 @@ +package org.apache.maven.repository.legacy.resolver.conflict; + +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +import org.apache.maven.artifact.resolver.ResolutionNode; +import org.apache.maven.artifact.versioning.ArtifactVersion; +import org.apache.maven.artifact.versioning.OverConstrainedVersionException; +import org.codehaus.plexus.component.annotations.Component; + +/** + * Resolves conflicting artifacts by always selecting the <em>newest</em> declaration. Newest is defined as the + * declaration whose version is greater according to <code>ArtifactVersion.compareTo</code>. + * + * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> + * @see ArtifactVersion#compareTo + * @since 3.0 + */ +@Component( role = ConflictResolver.class, hint = "newest" ) +public class NewestConflictResolver + implements ConflictResolver +{ + // ConflictResolver methods ----------------------------------------------- + + /* + * @see org.apache.maven.artifact.resolver.conflict.ConflictResolver#resolveConflict(org.apache.maven.artifact.resolver.ResolutionNode, + * org.apache.maven.artifact.resolver.ResolutionNode) + */ + + public ResolutionNode resolveConflict( ResolutionNode node1, ResolutionNode node2 ) + { + try + { + ArtifactVersion version1 = node1.getArtifact().getSelectedVersion(); + ArtifactVersion version2 = node2.getArtifact().getSelectedVersion(); + + return version1.compareTo( version2 ) > 0 ? node1 : node2; + } + catch ( OverConstrainedVersionException exception ) + { + // TODO: log message or throw exception? + + return null; + } + } +} |