01: /*
02: * Copyright 2002,2004 The Apache Software Foundation.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.apache.commons.jelly.tags.core;
17:
18: import org.apache.commons.jelly.JellyContext;
19: import org.apache.commons.jelly.JellyTagException;
20: import org.apache.commons.jelly.TagSupport;
21: import org.apache.commons.jelly.XMLOutput;
22:
23: /**
24: * A tag which creates a new child variable scope for its body.
25: * So any variables defined within its body will no longer be in scope
26: * after this tag.
27: *
28: * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
29: * @version $Revision: 155420 $
30: */
31: public class ScopeTag extends TagSupport {
32:
33: // Tag interface
34: //-------------------------------------------------------------------------
35: public void doTag(XMLOutput output) throws JellyTagException {
36: JellyContext newContext = context.newJellyContext();
37: getBody().run(newContext, output);
38: }
39: }
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