001/* $Id: DefaultAnnotationRuleProviderFactory.java 992060 2010-09-02 19:09:47Z simonetripodi $
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements.  See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.commons.digester.annotations.internal;
019
020import java.lang.annotation.Annotation;
021import java.lang.reflect.AnnotatedElement;
022
023import org.apache.commons.digester.Rule;
024import org.apache.commons.digester.annotations.AnnotationRuleProvider;
025import org.apache.commons.digester.annotations.DigesterLoadingException;
026import org.apache.commons.digester.annotations.spi.AnnotationRuleProviderFactory;
027
028/**
029 * Default {@link AnnotationRuleProviderFactory} implementation.
030 *
031 * @since 2.1
032 */
033public final class DefaultAnnotationRuleProviderFactory implements AnnotationRuleProviderFactory {
034
035    /**
036     * {@inheritDoc}
037     */
038    public <T extends AnnotationRuleProvider<? extends Annotation, ? extends AnnotatedElement, ? extends Rule>>
039            T newInstance(Class<T> type) throws DigesterLoadingException {
040        try {
041            return type.newInstance();
042        } catch (Exception e) {
043            throw new DigesterLoadingException("An error occurred while creating '"
044                    + type
045                    + "' instance", e);
046        }
047    }
048
049}