001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.web;
016    
017    import java.net.URL;
018    
019    import org.apache.tapestry.describe.Describable;
020    
021    /**
022     * A representation of a set of servlets (or portlets) packaged together as a web application
023     * archive. Attributes stored within the context are global to all 'lets (but not distributed across
024     * a server cluster).
025     * 
026     * @author Howard M. Lewis Ship
027     */
028    public interface WebContext extends AttributeHolder, InitializationParameterHolder, Describable
029    {
030        /**
031         * Returns a URL to the resource that is mapped to a specified path. The path must begin with a
032         * "/" and is interpreted as relative to the current context root.
033         */
034    
035        public URL getResource(String path);
036    
037        /**
038         * Returns the MIME type of the specified file, or null if the MIME type is not known.
039         */
040        public String getMimeType(String resourcePath);
041    }