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