001package org.apache.maven.doxia.macro.manager;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import org.apache.maven.doxia.macro.Macro;
023import org.codehaus.plexus.component.annotations.Component;
024import org.codehaus.plexus.component.annotations.Requirement;
025
026import java.util.Map;
027
028/**
029 * Default implementation of <code>MacroManager</code>
030 *
031 * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
032 * @version $Id$
033 * @since 1.0
034 */
035@Component( role = MacroManager.class )
036public class DefaultMacroManager
037    implements MacroManager
038{
039    @Requirement( role = Macro.class )
040    private Map<String, Macro> macros;
041
042    /** {@inheritDoc} */
043    public Macro getMacro( String id )
044        throws MacroNotFoundException
045    {
046        Macro macro = macros.get( id );
047
048        if ( macro == null )
049        {
050            throw new MacroNotFoundException( "Cannot find macro with id = " + id );
051        }
052
053        return macro;
054    }
055}