/*
 * 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.internal.impl.collect;

import java.util.List;

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.collection.DependencyCollectionContext;
import org.eclipse.aether.graph.Dependency;

/**
 * Internal helper class for collector implementations.
 */
public final class DefaultDependencyCollectionContext implements DependencyCollectionContext {

    private final RepositorySystemSession session;

    private final Artifact artifact;

    private final Dependency dependency;

    private final List<Dependency> managedDependencies;

    public DefaultDependencyCollectionContext(
            RepositorySystemSession session,
            Artifact artifact,
            Dependency dependency,
            List<Dependency> managedDependencies) {
        this.session = session;
        this.artifact = (dependency != null) ? dependency.getArtifact() : artifact;
        this.dependency = dependency;
        this.managedDependencies = managedDependencies;
    }

    @Override
    public RepositorySystemSession getSession() {
        return session;
    }

    @Override
    public Artifact getArtifact() {
        return artifact;
    }

    @Override
    public Dependency getDependency() {
        return dependency;
    }

    @Override
    public List<Dependency> getManagedDependencies() {
        return managedDependencies;
    }

    public DefaultDependencyCollectionContext set(Dependency dependency, List<Dependency> managedDependencies) {
        return new DefaultDependencyCollectionContext(
                session, dependency.getArtifact(), dependency, managedDependencies);
    }

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