package org.apache.maven.plugin.toolchain;

/*
 * 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.Collections;
import java.util.Map;
import java.util.Set;

/**
 * Type for plugin's <code>toolchain</code> attribute representing toolchains requirements.
 *
 * @author mkleint
 * @see ToolchainConverter the custom Plexus converter to instantiate this class
 */
public final class ToolchainsRequirement
{
    Map<String, Map<String, String>> toolchains;

    public Map<String, Map<String, String>> getToolchains()
    {
        return Collections.unmodifiableMap( toolchains );
    }

    public Set<String> getToolchainsTypes()
    {
        return Collections.unmodifiableSet( toolchains.keySet() );
    }

    public Map<String, String> getParams( String type )
    {
        return Collections.unmodifiableMap( toolchains.get( type ) );
    }
}