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package org.eclipse.aether.util.artifact;

/*
 * 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.HashMap;
import java.util.Map;

import org.eclipse.aether.artifact.ArtifactType;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;

/**
 * A simple map-based artifact type registry.
 */
class SimpleArtifactTypeRegistry
    implements ArtifactTypeRegistry
{

    private final Map types;

    /**
     * Creates a new artifact type registry with initally no registered artifact types. Use {@link #add(ArtifactType)}
     * to populate the registry.
     */
    SimpleArtifactTypeRegistry()
    {
        types = new HashMap<>();
    }

    /**
     * Adds the specified artifact type to the registry.
     * 
     * @param type The artifact type to add, must not be {@code null}.
     * @return This registry for chaining, never {@code null}.
     */
    public SimpleArtifactTypeRegistry add( ArtifactType type )
    {
        types.put( type.getId(), type );
        return this;
    }

    public ArtifactType get( String typeId )
    {
        return types.get( typeId );
    }

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

}