maven-core-3.5.4.jar - Maven Core Module

maven-core-3.5.4.jar is the JAR file for Apache Maven 3.5.4 Core module. Apache Maven is a software project management and comprehension tool.

JAR File Size and Download Location:

File: 2018-06-17 19:33        630101  lib\maven-core-3.5.4.jar
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org/apache/maven/graph/FilteredProjectDependencyGraph.java

package org.apache.maven.graph;

/*
 * 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.ArrayList;
import java.util.Collection;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.Validate;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.project.MavenProject;

/**
 * Provides a sub view of another dependency graph.
 *
 * @author Benjamin Bentmann
 */
class FilteredProjectDependencyGraph
    implements ProjectDependencyGraph
{

    private ProjectDependencyGraph projectDependencyGraph;

    private Map<MavenProject, ?> whiteList;

    private List<MavenProject> sortedProjects;

    /**
     * Creates a new project dependency graph from the specified graph.
     *
     * @param projectDependencyGraph The project dependency graph to create a sub view from, must not be {@code null}.
     * @param whiteList The projects on which the dependency view should focus, must not be {@code null}.
     */
    FilteredProjectDependencyGraph( ProjectDependencyGraph projectDependencyGraph,
                                    Collection<? extends MavenProject> whiteList )
    {
        this.projectDependencyGraph =
            Validate.notNull( projectDependencyGraph, "projectDependencyGraph cannot be null" );

        this.whiteList = new IdentityHashMap<MavenProject, Object>();

        for ( MavenProject project : whiteList )
        {
            this.whiteList.put( project, null );
        }
    }

    /**
     * @since 3.5.0
     */
    public List<MavenProject> getAllProjects()
    {
        return this.projectDependencyGraph.getAllProjects();
    }

    public List<MavenProject> getSortedProjects()
    {
        if ( sortedProjects == null )
        {
            sortedProjects = applyFilter( projectDependencyGraph.getSortedProjects() );
        }

        return new ArrayList<>( sortedProjects );
    }

    public List<MavenProject> getDownstreamProjects( MavenProject project, boolean transitive )
    {
        return applyFilter( projectDependencyGraph.getDownstreamProjects( project, transitive ) );
    }

    public List<MavenProject> getUpstreamProjects( MavenProject project, boolean transitive )
    {
        return applyFilter( projectDependencyGraph.getUpstreamProjects( project, transitive ) );
    }

    private List<MavenProject> applyFilter( Collection<? extends MavenProject> projects )
    {
        List<MavenProject> filtered = new ArrayList<>( projects.size() );

        for ( MavenProject project : projects )
        {
            if ( whiteList.containsKey( project ) )
            {
                filtered.add( project );
            }
        }

        return filtered;
    }

    @Override
    public String toString()
    {
        return getSortedProjects().toString();
    }

}

org/apache/maven/graph/FilteredProjectDependencyGraph.java

 

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