001package org.apache.commons.digester3.annotations.handlers; 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 java.lang.reflect.Method; 023 024import org.apache.commons.digester3.annotations.AnnotationHandler; 025import org.apache.commons.digester3.annotations.rules.SetTop; 026import org.apache.commons.digester3.binder.RulesBinder; 027 028/** 029 * {@link SetTop} handler. 030 * 031 * @since 3.0 032 */ 033public final class SetTopHandler 034 implements AnnotationHandler<SetTop, Method> 035{ 036 037 /** 038 * {@inheritDoc} 039 */ 040 public void handle( SetTop annotation, Method element, RulesBinder rulesBinder ) 041 { 042 if ( element.getParameterTypes().length != 1 ) 043 { 044 rulesBinder.addError( "Methods annotated with digester annotation rule @%s must have just one argument", 045 SetTop.class.getName() ); 046 return; 047 } 048 049 rulesBinder 050 .forPattern( annotation.pattern() ) 051 .withNamespaceURI( annotation.namespaceURI().length() > 0 ? annotation.namespaceURI() : null ) 052 .setTop( element.getName() ) 053 .withParameterType( element.getParameterTypes()[0] ) 054 .fireOnBegin( annotation.fireOnBegin() ); 055 } 056 057}