1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.betwixt.digester;
18
19 import java.util.Set;
20
21 import org.apache.commons.logging.Log;
22 import org.apache.commons.logging.LogFactory;
23 import org.xml.sax.Attributes;
24 import org.xml.sax.SAXException;
25
26 /** <p><code>HideRule</code> hides the property of the given name.</p>
27 *
28 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
29 * @version $Revision: 438373 $
30 */
31 public class HideRule extends RuleSupport {
32
33 /** Logger */
34 private static final Log log = LogFactory.getLog( HideRule.class );
35
36 /** Base constructor */
37 public HideRule() {
38 }
39
40 // Rule interface
41 //-------------------------------------------------------------------------
42
43 /**
44 * Process the beginning of this element.
45 *
46 * @param attributes The attribute list of this element
47 * @throws SAXException when the mandatory 'property' attribute is missing
48 */
49 public void begin(String name, String namespace, Attributes attributes) throws SAXException {
50 String propertyAttributeValue = attributes.getValue( "property" );
51 if ( propertyAttributeValue == null || propertyAttributeValue.length() == 0 ) {
52 throw new SAXException(
53 "<hide> element is missing the mandatory attribute 'property'" );
54 }
55 Set propertySet = getProcessedPropertyNameSet();
56 propertySet.add( propertyAttributeValue );
57 }
58 }