1 package org.apache.commons.digester3.annotations.handlers;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.lang.reflect.Method;
23
24 import org.apache.commons.digester3.annotations.AnnotationHandler;
25 import org.apache.commons.digester3.annotations.rules.SetTop;
26 import org.apache.commons.digester3.binder.RulesBinder;
27
28 /**
29 * {@link SetTop} handler.
30 *
31 * @since 3.0
32 */
33 public final class SetTopHandler
34 implements AnnotationHandler<SetTop, Method>
35 {
36
37 /**
38 * {@inheritDoc}
39 */
40 public void handle( SetTop annotation, Method element, RulesBinder rulesBinder )
41 {
42 if ( element.getParameterTypes().length != 1 )
43 {
44 rulesBinder.addError( "Methods annotated with digester annotation rule @%s must have just one argument",
45 SetTop.class.getName() );
46 return;
47 }
48
49 rulesBinder
50 .forPattern( annotation.pattern() )
51 .withNamespaceURI( annotation.namespaceURI().length() > 0 ? annotation.namespaceURI() : null )
52 .setTop( element.getName() )
53 .withParameterType( element.getParameterTypes()[0] )
54 .fireOnBegin( annotation.fireOnBegin() );
55 }
56
57 }