diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java new file mode 100644 index 00000000..fb0afcfb --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java @@ -0,0 +1,122 @@ +package org.apache.maven.artifact.resolver.filter; + +/* + * 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 java.util.Collection; +import java.util.HashSet; +import java.util.Set; + +/** + * Filter to only retain objects in the given scope or better. This implementation allows the accumulation of multiple + * scopes and their associated implied scopes, so that the user can filter apply a series of implication rules in a + * single step. This should be a more efficient implementation of multiple standard {@link ScopeArtifactFilter} + * instances ORed together. + * + * @author <a href="mailto:brett@apache.org">Brett Porter</a> + * @author jdcasey + */ +public class CumulativeScopeArtifactFilter + extends AbstractScopeArtifactFilter +{ + + private Set<String> scopes; + + /** + * Create a new filter with the specified scopes and their implied scopes enabled. + * + * @param scopes The scopes to enable, along with all implied scopes, may be {@code null}. + */ + public CumulativeScopeArtifactFilter( Collection<String> scopes ) + { + this.scopes = new HashSet<String>(); + + addScopes( scopes ); + } + + /** + * Creates a new filter that combines the specified filters. + * + * @param filters The filters to combine, may be {@code null}. + */ + public CumulativeScopeArtifactFilter( CumulativeScopeArtifactFilter... filters ) + { + this.scopes = new HashSet<String>(); + + if ( filters != null ) + { + for ( CumulativeScopeArtifactFilter filter : filters ) + { + addScopes( filter.getScopes() ); + } + } + } + + private void addScopes( Collection<String> scopes ) + { + if ( scopes != null ) + { + for ( String scope : scopes ) + { + addScope( scope ); + } + } + } + + private void addScope( String scope ) + { + this.scopes.add( scope ); + + addScopeInternal( scope ); + } + + public Set<String> getScopes() + { + return scopes; + } + + @Override + public int hashCode() + { + int hash = 17; + + hash = hash * 31 + scopes.hashCode(); + + return hash; + } + + @Override + public boolean equals( Object obj ) + { + if ( this == obj ) + { + return true; + } + + if ( !( obj instanceof CumulativeScopeArtifactFilter ) ) + { + return false; + } + + CumulativeScopeArtifactFilter that = (CumulativeScopeArtifactFilter) obj; + + return scopes.equals( that.scopes ); + } + +} |