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package org.apache.catalina.core;
import org.apache.catalina.Host;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
import org.apache.catalina.valves.ValveBase;
import org.glassfish.logging.annotation.LogMessageInfo;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import java.util.logging.Logger;
/**
* Valve that implements the default basic behavior for the
* <code>StandardEngine</code> container implementation.
* <p>
* <b>USAGE CONSTRAINT</b>: This implementation is likely to be useful only
* when processing HTTP requests.
*
* @author Craig R. McClanahan
* @version $Revision: 1.2 $ $Date: 2005/12/08 01:27:36 $
*/
final class StandardEngineValve
extends ValveBase {
// ----------------------------------------------------- Instance Variables
/**
* The descriptive information related to this implementation.
*/
private static final String info =
"org.apache.catalina.core.StandardEngineValve/1.0";
private static final ResourceBundle rb = StandardServer.log.getResourceBundle();
@LogMessageInfo(
message = "No Host matches server name {0}",
level = "WARNING"
)
public static final String NO_HOST_MATCH = "AS-WEB-CORE-00197";
// ------------------------------------------------------------- Properties
/**
* Return descriptive information about this Valve implementation.
*/
public String getInfo() {
return (info);
}
// --------------------------------------------------------- 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
* @param valveContext Valve context used to forward to the next Valve
*
* @exception IOException if an input/output error occurred
* @exception ServletException if a servlet error occurred
*/
@Override
public int invoke(Request request, Response response)
throws IOException, ServletException {
Host host = preInvoke(request, response);
if (host == null) {
return END_PIPELINE;
}
if (host.getPipeline().hasNonBasicValves() ||
host.hasCustomPipeline()) {
// Invoke pipeline
host.getPipeline().invoke(request, response);
} else {
// Invoke basic valve only
host.getPipeline().getBasic().invoke(request, response);
}
return END_PIPELINE;
}
/**
* Tomcat style invocation.
*/
@Override
public void invoke(org.apache.catalina.connector.Request request,
org.apache.catalina.connector.Response response)
throws IOException, ServletException {
Host host = preInvoke(request, response);
if (host == null) {
return;
}
if (host.getPipeline().hasNonBasicValves() ||
host.hasCustomPipeline()) {
// Invoke pipeline
host.getPipeline().invoke(request, response);
} else {
// Invoke basic valve only
host.getPipeline().getBasic().invoke(request, response);
}
}
private Host preInvoke(Request request, Response response)
throws IOException, ServletException {
// Select the Host to be used for this Request
Host host = request.getHost();
if (host == null) {
// BEGIN S1AS 4878272
((HttpServletResponse) response.getResponse()).sendError
(HttpServletResponse.SC_BAD_REQUEST);
String msg = MessageFormat.format(rb.getString(NO_HOST_MATCH), request.getRequest().getServerName());
response.setDetailMessage(msg);
// END S1AS 4878272
return null;
}
return host;
}
}