| /* |
| * 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; |
| |
| /** |
| * <p><code>Script</code> represents a Jelly script. |
| * A Script <b>must</b> be thread safe so care should be taken on the |
| * implementations of Scripts. However Tags are only used in a single thread |
| * (each thread will have create its own Tags for the Script it is running) |
| * so multi threading is not a concern for Tag developers.</p> |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public interface Script { |
| |
| /** Called by the parser to allow a more efficient |
| * representation of the script to be used. |
| */ |
| public Script compile() throws JellyException; |
| |
| /** Evaluates the body of a tag */ |
| public void run(JellyContext context, XMLOutput output) throws JellyTagException; |
| |
| } |