/*
* $Header: /home/cvs/jakarta-tomcat/proposals/catalina/src/share/org/apache/tomcat/core/StandardEngineValve.java,v 1.2 2000/01/31 04:38:44 craigmcc Exp $
* $Revision: 1.2 $
* $Date: 2000/01/31 04:38:44 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.tomcat.core;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import org.apache.tomcat.Container;
import org.apache.tomcat.Host;
import org.apache.tomcat.Request;
import org.apache.tomcat.Response;
import org.apache.tomcat.util.StringManager;
import org.apache.tomcat.valves.ValveBase;
/**
* Valve that implements the default basic behavior for the
* <code>StandardEngine</code> container implementation.
*
* @author Craig R. McClanahan
* @version $Revision: 1.2 $ $Date: 2000/01/31 04:38:44 $
*/
final class StandardEngineValve
extends ValveBase {
// ----------------------------------------------------- Instance Variables
/**
* The string manager for this package.
*/
private StringManager sm =
StringManager.getManager(Constants.Package);
// --------------------------------------------------------- Public Methods
/**
* Select the appropriate child Host to process this request,
* based on the requested server name. If no matching Host can
* be found, return an appropriate HTTP error.
*
* @param request Request to be processed
* @param response Response to be produced
*
* @exception IOException if an input/output error occurred
* @exception ServletException if a servlet error occurred
*/
public void invoke(Request request, Response response)
throws IOException, ServletException {
StandardEngine engine = (StandardEngine) getContainer();
// Select the host to be used for this request
Host host = engine.map(request);
if (host == null) {
response.getResponse().sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
sm.getString("standardEngine.noHost"));
return;
}
// Ask this Host to process this request
host.invoke(request, response);
}
}