/*
 * 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.apache.maven.lifecycle.internal.stub;

import org.apache.maven.ProjectDependenciesResolver;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.DependencyResolutionException;
import org.apache.maven.project.DependencyResolutionRequest;
import org.apache.maven.project.DependencyResolutionResult;
import org.apache.maven.project.MavenProject;
import org.eclipse.aether.graph.DefaultDependencyNode;
import org.eclipse.aether.graph.Dependency;
import org.eclipse.aether.graph.DependencyNode;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @author Kristian Rosenvold
 */
public class ProjectDependenciesResolverStub
    implements ProjectDependenciesResolver, org.apache.maven.project.ProjectDependenciesResolver
{
    public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToResolve, MavenSession session )
        throws ArtifactResolutionException, ArtifactNotFoundException
    {
        return new HashSet<Artifact>();
    }

    public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToCollect,
                                  Collection<String> scopesToResolve, MavenSession session )
        throws ArtifactResolutionException, ArtifactNotFoundException
    {
        return new HashSet<Artifact>();
    }

    public Set<Artifact> resolve( Collection<? extends MavenProject> projects, Collection<String> scopes,
                                  MavenSession session )
        throws ArtifactResolutionException, ArtifactNotFoundException
    {
        return new HashSet<Artifact>();
    }

    public Set<Artifact> resolve( MavenProject project, Collection<String> scopesToCollect,
                                  Collection<String> scopesToResolve, MavenSession session,
                                  Set<Artifact> ignoreableArtifacts )
        throws ArtifactResolutionException, ArtifactNotFoundException
    {
        return new HashSet<Artifact>();
    }

    public DependencyResolutionResult resolve( DependencyResolutionRequest request )
        throws DependencyResolutionException
    {
        return new DependencyResolutionResult()
        {

            public List<Dependency> getUnresolvedDependencies()
            {
                return Collections.emptyList();
            }

            public List<Dependency> getResolvedDependencies()
            {
                return Collections.emptyList();
            }

            public List<Exception> getResolutionErrors( Dependency dependency )
            {
                return Collections.emptyList();
            }

            public DependencyNode getDependencyGraph()
            {
                return new DefaultDependencyNode( (Dependency) null );
            }

            public List<Dependency> getDependencies()
            {
                return Collections.emptyList();
            }

            public List<Exception> getCollectionErrors()
            {
                return Collections.emptyList();
            }
        };
    }

}
