//  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.engine;

import org.apache.tapestry.IResourceLocation;
import org.apache.tapestry.IScript;

/**
 *  Provides access to an {@link IScript}.
 *
 *  @author Howard Lewis Ship
 *  @version $Id: IScriptSource.java 243791 2004-02-19 17:38:13Z hlship $
 *  @since 1.0.2
 **/

public interface IScriptSource
{
    /**
     *  Retrieves the script identified by the location from the source's
     *  cache, reading and parsing the script if necessary.
     * 
     **/

    public IScript getScript(IResourceLocation scriptLocation);

    /**
     *  Invoked to clear any cached scripts.
     *
     **/

    public void reset();
}