| /* |
| * Copyright 2002,2004 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.commons.jelly.xpath; |
| |
| import org.apache.commons.jelly.TagSupport; |
| |
| /** An abstract base class useful for implementation inheritence |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.4 $ |
| */ |
| public abstract class XPathTagSupport extends TagSupport { |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| protected Object getXPathContext() { |
| XPathSource tag = (XPathSource) findAncestorWithClass( XPathSource.class ); |
| if ( tag != null ) { |
| return tag.getXPathSource(); |
| } |
| return null; |
| } |
| } |