| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.parse; |
| |
| import org.apache.commons.beanutils.PropertyUtils; |
| import org.apache.tapestry.Tapestry; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * Much like {@link org.apache.commons.digester.SetPropertiesRule}, but |
| * only properties that are declared will be copied; other properties |
| * will be ignored. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| public class SetLimitedPropertiesRule extends AbstractSpecificationRule |
| { |
| private String[] _attributeNames; |
| private String[] _propertyNames; |
| |
| public SetLimitedPropertiesRule(String attributeName, String propertyName) |
| { |
| this(new String[] { attributeName }, new String[] { propertyName }); |
| } |
| |
| public SetLimitedPropertiesRule(String[] attributeNames, String[] propertyNames) |
| { |
| _attributeNames = attributeNames; |
| _propertyNames = propertyNames; |
| } |
| |
| public void begin(String namespace, String name, Attributes attributes) throws Exception |
| { |
| Object top = digester.peek(); |
| |
| int count = attributes.getLength(); |
| |
| for (int i = 0; i < count; i++) |
| { |
| String attributeName = attributes.getLocalName(i); |
| |
| if (Tapestry.isBlank(attributeName)) |
| attributeName = attributes.getQName(i); |
| |
| for (int x = 0; x < _attributeNames.length; x++) |
| { |
| if (_attributeNames[x].equals(attributeName)) |
| { |
| String value = attributes.getValue(i); |
| String propertyName = _propertyNames[x]; |
| |
| PropertyUtils.setProperty(top, propertyName, value); |
| |
| // Terminate inner loop when attribute name is found. |
| |
| break; |
| } |
| } |
| } |
| } |
| |
| } |