001    // Copyright 2011 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.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.services.ComponentEventResultProcessor;
018    import org.apache.tapestry5.services.HttpError;
019    import org.apache.tapestry5.services.Response;
020    
021    import java.io.IOException;
022    
023    /**
024     * Handles {@link HttpError} by invoking {@link Response#sendError(int, String)}.
025     *
026     * @since 5.3
027     */
028    public class HttpErrorComponentEventResultProcessor implements ComponentEventResultProcessor<HttpError>
029    {
030        private final Response response;
031    
032        public HttpErrorComponentEventResultProcessor(Response response)
033        {
034            this.response = response;
035        }
036    
037        public void processResultValue(HttpError value) throws IOException
038        {
039            response.sendError(value.getStatusCode(), value.getMessage());
040        }
041    }