Removed horrible static initialization of logging system and instead

rely on magic - the fact we are using logback classic and the logger is
named "buffer".

core/src/net/sf/openrocket/logging/LogbackBufferLoggerAdaptor.java

@@ -7,19 +7,31 @@ import ch.qos.logback.core.AppenderBase;
 
 public class LogbackBufferLoggerAdaptor extends AppenderBase<ILoggingEvent> {
 	
-	private final LogHelper logHelper;
+	private final DelegatorLogger logHelper;
+	private final LogLevelBufferLogger logBuffer;
 	
-	public LogbackBufferLoggerAdaptor() {
-		logHelper = LoggingSystemSetup.getInstance();
+	private static final int LOG_BUFFER_LENGTH = 50;
+	
+	public LogbackBufferLoggerAdaptor(int bufferLength) {
+		logHelper = new DelegatorLogger();
+		logBuffer = new LogLevelBufferLogger(bufferLength);
+		logHelper.addLogger(logBuffer);
 	}
 	
-	public LogbackBufferLoggerAdaptor(LogHelper logHelper) {
-		this.logHelper = logHelper;
+	public LogbackBufferLoggerAdaptor() {
+		this(LOG_BUFFER_LENGTH);
+	}
+	
+	DelegatorLogger getLogHelper() {
+		return logHelper;
+	}
+	
+	LogLevelBufferLogger getLogBuffer() {
+		return logBuffer;
 	}
 	
 	@Override
 	protected void append(ILoggingEvent e) {
-		e.getCallerData();
 		LogLine ll = toLogLine(e);
 		
 		logHelper.log(ll);

core/src/net/sf/openrocket/logging/LoggingSystemSetup.java

@@ -1,18 +1,16 @@
 package net.sf.openrocket.logging;
 
+import org.slf4j.LoggerFactory;
+
+import ch.qos.logback.classic.Logger;
+
 
 public class LoggingSystemSetup {
 	
-	private static final DelegatorLogger delegator = new DelegatorLogger();
-	
-	private static final int LOG_BUFFER_LENGTH = 50;
-	
-	private static final LogLevelBufferLogger llbl = new LogLevelBufferLogger(LOG_BUFFER_LENGTH);
-	
-	static {
-		delegator.addLogger(llbl);
-		
-	}
+	// This class is highly dependent on the logback.xml file.
+	// It assumes logback is the logging backend and that
+	// there is an appender named "buffer" and that appender
+	// is the LogbackBufferLoggerAdapter.
 	
 	/**
 	 * Get the logger to be used in logging.
@@ -20,11 +18,15 @@ public class LoggingSystemSetup {
 	 * @return	the logger to be used in all logging.
 	 */
 	public static DelegatorLogger getInstance() {
-		return delegator;
+		Logger logger = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
+		LogbackBufferLoggerAdaptor adapater = (LogbackBufferLoggerAdaptor) logger.getAppender("buffer");
+		return adapater.getLogHelper();
 	}
 	
 	public static LogLevelBufferLogger getBufferLogger() {
-		return llbl;
+		Logger logger = (Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
+		LogbackBufferLoggerAdaptor adapater = (LogbackBufferLoggerAdaptor) logger.getAppender("buffer");
+		return adapater.getLogBuffer();
 	}
 	
 }

core/test/net/sf/openrocket/logging/LogLevelBufferLoggerTest.java

@@ -18,16 +18,13 @@ public class LogLevelBufferLoggerTest {
 	@Test
 	public void testLogger() {
 		
-		DelegatorLogger l = new DelegatorLogger();
-		LogLevelBufferLogger llbl = new LogLevelBufferLogger(4);
-		
 		// assume SLF4J is bound to logback in the current environment
 		LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
 		
 		// Call context.reset() to clear any previous configuration, e.g. default 
 		// configuration. For multi-step configuration, omit calling context.reset().
 		context.reset();
-		LogbackBufferLoggerAdaptor a = new LogbackBufferLoggerAdaptor(llbl);
+		LogbackBufferLoggerAdaptor a = new LogbackBufferLoggerAdaptor(4);
 		a.start();
 		logger.addAppender(a);
 		
@@ -52,6 +49,7 @@ public class LogLevelBufferLoggerTest {
 		logger.debug("debug 8");
 		logger.info("info 6");
 		
+		LogLevelBufferLogger llbl = LoggingSystemSetup.getBufferLogger();
 		List<LogLine> list = llbl.getLogs();
 		assertEquals(16, list.size());