001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.dataformat.bindy.util;
018    
019    import java.lang.annotation.Annotation;
020    import java.util.LinkedHashSet;
021    import java.util.Set;
022    
023    import org.apache.camel.dataformat.bindy.annotation.CsvRecord;
024    import org.apache.camel.dataformat.bindy.annotation.Link;
025    import org.apache.camel.dataformat.bindy.annotation.Message;
026    import org.apache.camel.dataformat.bindy.annotation.Section;
027    import org.apache.camel.spi.PackageScanClassResolver;
028    
029    /**
030     * Annotation based loader for model classes with Bindy annotations.
031     */
032    public class AnnotationModelLoader {
033    
034        private PackageScanClassResolver resolver;
035        private Set<Class<? extends Annotation>> annotations;
036    
037        public AnnotationModelLoader(PackageScanClassResolver resolver) {
038            this.resolver = resolver;
039    
040            annotations = new LinkedHashSet<Class<? extends Annotation>>();
041            annotations.add(CsvRecord.class);
042            annotations.add(Link.class);
043            annotations.add(Message.class);
044            annotations.add(Section.class);
045        }
046    
047        public Set<Class> loadModels(String... packageNames) throws Exception {
048            return resolver.findAnnotated(annotations, packageNames);
049        }
050    
051    }