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package org.apache.catalina.startup;
import org.apache.catalina.*;
import org.apache.catalina.Logger;
import org.apache.catalina.core.StandardEngine;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import java.util.logging.Level;
/**
* Startup event listener for a Engine that configures the properties
* of that Engine, and the associated defined contexts.
*
* @author Craig R. McClanahan
* @version $Revision: 1.2 $ $Date: 2005/12/08 01:28:07 $
*/
public final class EngineConfig
implements LifecycleListener {
// ----------------------------------------------------- Static Variables
private static final java.util.logging.Logger log = LogFacade.getLogger();
private static final ResourceBundle rb = log.getResourceBundle();
// ----------------------------------------------------- Instance Variables
/**
* The debugging detail level for this component.
*/
private int debug = 0;
/**
* The Engine we are associated with.
*/
private Engine engine = null;
// ------------------------------------------------------------- Properties
/**
* Return the debugging detail level for this component.
*/
public int getDebug() {
return (this.debug);
}
/**
* Set the debugging detail level for this component.
*
* @param debug The new debugging detail level
*/
public void setDebug(int debug) {
this.debug = debug;
}
// --------------------------------------------------------- Public Methods
/**
* Process the START event for an associated Engine.
*
* @param event The lifecycle event that has occurred
*/
public void lifecycleEvent(LifecycleEvent event) {
// Identify the engine we are associated with
try {
engine = (Engine) event.getLifecycle();
if (engine instanceof StandardEngine) {
int engineDebug = ((StandardEngine) engine).getDebug();
if (engineDebug > this.debug)
this.debug = engineDebug;
}
} catch (ClassCastException e) {
String msg = MessageFormat.format(rb.getString(LogFacade.LIFECYCLE_EVENT_DATA_IS_NOT_ENGINE_EXCEPTION),
event.getLifecycle());
log(msg, e);
return;
}
// Process the event that has occurred
if (event.getType().equals(Lifecycle.START_EVENT))
start();
else if (event.getType().equals(Lifecycle.STOP_EVENT))
stop();
}
// -------------------------------------------------------- Private Methods
/**
* Log a message on the Logger associated with our Engine (if any)
*
* @param message Message to be logged
*/
private void log(String message) {
Logger logger = null;
if (engine != null) {
logger = engine.getLogger();
}
if (logger != null) {
logger.log("EngineConfig: " + message);
} else {
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, LogFacade.ENGINE_CONFIG, message);
}
}
}
/**
* Log a message on the Logger associated with our Engine (if any)
*
* @param message Message to be logged
* @param t Associated exception
*/
private void log(String message, Throwable t) {
Logger logger = null;
if (engine != null) {
logger = engine.getLogger();
}
if (logger != null) {
logger.log("EngineConfig: " + message, t, Logger.WARNING);
} else {
String msg = MessageFormat.format(rb.getString(LogFacade.ENGINE_CONFIG),
message);
log.log(Level.WARNING, msg, t);
}
}
/**
* Process a "start" event for this Engine.
*/
private void start() {
if (debug > 0)
log(rb.getString(LogFacade.ENGINE_CONFIG_PROCESSING_START_INFO));
}
/**
* Process a "stop" event for this Engine.
*/
private void stop() {
if (debug > 0)
log(rb.getString(LogFacade.ENGINE_CONFIG_PROCESSING_STOP_INFO));
}
}
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