| /* |
| * 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. |
| */ |
| package org.eclipse.aether.util.filter; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| |
| import org.eclipse.aether.graph.DependencyFilter; |
| import org.eclipse.aether.util.artifact.JavaScopes; |
| |
| /** |
| * A utility class assisting in the creation of dependency node filters. |
| */ |
| public final class DependencyFilterUtils |
| { |
| |
| private DependencyFilterUtils() |
| { |
| // hide constructor |
| } |
| |
| /** |
| * Creates a new filter that negates the specified filter. |
| * |
| * @param filter The filter to negate, must not be {@code null}. |
| * @return The new filter, never {@code null}. |
| */ |
| public static DependencyFilter notFilter( DependencyFilter filter ) |
| { |
| return new NotDependencyFilter( filter ); |
| } |
| |
| /** |
| * Creates a new filter that combines the specified filters using a logical {@code AND}. If no filters are |
| * specified, the resulting filter accepts everything. |
| * |
| * @param filters The filters to combine, may be {@code null}. |
| * @return The new filter, never {@code null}. |
| */ |
| public static DependencyFilter andFilter( DependencyFilter... filters ) |
| { |
| if ( filters != null && filters.length == 1 ) |
| { |
| return filters[0]; |
| } |
| else |
| { |
| return new AndDependencyFilter( filters ); |
| } |
| } |
| |
| /** |
| * Creates a new filter that combines the specified filters using a logical {@code AND}. If no filters are |
| * specified, the resulting filter accepts everything. |
| * |
| * @param filters The filters to combine, may be {@code null}. |
| * @return The new filter, never {@code null}. |
| */ |
| public static DependencyFilter andFilter( Collection<DependencyFilter> filters ) |
| { |
| if ( filters != null && filters.size() == 1 ) |
| { |
| return filters.iterator().next(); |
| } |
| else |
| { |
| return new AndDependencyFilter( filters ); |
| } |
| } |
| |
| /** |
| * Creates a new filter that combines the specified filters using a logical {@code OR}. If no filters are specified, |
| * the resulting filter accepts nothing. |
| * |
| * @param filters The filters to combine, may be {@code null}. |
| * @return The new filter, never {@code null}. |
| */ |
| public static DependencyFilter orFilter( DependencyFilter... filters ) |
| { |
| if ( filters != null && filters.length == 1 ) |
| { |
| return filters[0]; |
| } |
| else |
| { |
| return new OrDependencyFilter( filters ); |
| } |
| } |
| |
| /** |
| * Creates a new filter that combines the specified filters using a logical {@code OR}. If no filters are specified, |
| * the resulting filter accepts nothing. |
| * |
| * @param filters The filters to combine, may be {@code null}. |
| * @return The new filter, never {@code null}. |
| */ |
| public static DependencyFilter orFilter( Collection<DependencyFilter> filters ) |
| { |
| if ( filters != null && filters.size() == 1 ) |
| { |
| return filters.iterator().next(); |
| } |
| else |
| { |
| return new OrDependencyFilter( filters ); |
| } |
| } |
| |
| /** |
| * Creates a new filter that selects dependencies whose scope matches one or more of the specified classpath types. |
| * A classpath type is a set of scopes separated by either {@code ','} or {@code '+'}. |
| * |
| * @param classpathTypes The classpath types, may be {@code null} or empty to match no dependency. |
| * @return The new filter, never {@code null}. |
| * @see JavaScopes |
| */ |
| public static DependencyFilter classpathFilter( String... classpathTypes ) |
| { |
| return classpathFilter( ( classpathTypes != null ) ? Arrays.asList( classpathTypes ) : null ); |
| } |
| |
| /** |
| * Creates a new filter that selects dependencies whose scope matches one or more of the specified classpath types. |
| * A classpath type is a set of scopes separated by either {@code ','} or {@code '+'}. |
| * |
| * @param classpathTypes The classpath types, may be {@code null} or empty to match no dependency. |
| * @return The new filter, never {@code null}. |
| * @see JavaScopes |
| */ |
| public static DependencyFilter classpathFilter( Collection<String> classpathTypes ) |
| { |
| Collection<String> types = new HashSet<String>(); |
| |
| if ( classpathTypes != null ) |
| { |
| for ( String classpathType : classpathTypes ) |
| { |
| String[] tokens = classpathType.split( "[+,]" ); |
| for ( String token : tokens ) |
| { |
| token = token.trim(); |
| if ( token.length() > 0 ) |
| { |
| types.add( token ); |
| } |
| } |
| } |
| } |
| |
| Collection<String> included = new HashSet<String>(); |
| for ( String type : types ) |
| { |
| if ( JavaScopes.COMPILE.equals( type ) ) |
| { |
| Collections.addAll( included, JavaScopes.COMPILE, JavaScopes.PROVIDED, JavaScopes.SYSTEM ); |
| } |
| else if ( JavaScopes.RUNTIME.equals( type ) ) |
| { |
| Collections.addAll( included, JavaScopes.COMPILE, JavaScopes.RUNTIME ); |
| } |
| else if ( JavaScopes.TEST.equals( type ) ) |
| { |
| Collections.addAll( included, JavaScopes.COMPILE, JavaScopes.PROVIDED, JavaScopes.SYSTEM, |
| JavaScopes.RUNTIME, JavaScopes.TEST ); |
| } |
| else |
| { |
| included.add( type ); |
| } |
| } |
| |
| Collection<String> excluded = new HashSet<String>(); |
| Collections.addAll( excluded, JavaScopes.COMPILE, JavaScopes.PROVIDED, JavaScopes.SYSTEM, JavaScopes.RUNTIME, |
| JavaScopes.TEST ); |
| excluded.removeAll( included ); |
| |
| return new ScopeDependencyFilter( null, excluded ); |
| } |
| |
| } |