Logger.java: provide class and method information

2003-08-31  Ingo Proetel  <proetel@aicas.com>

	* java/util/logging/Logger.java: provide class and method information
	* java/util/logging/LogManager.java: create handlers
	* java/util/logging/SimpleFormatter.java: print souceClassName and
	sourceMethodName

From-SVN: r70960

libjava/ChangeLog

+2003-08-31  Ingo Proetel  <proetel@aicas.com>
+
+	* java/util/logging/Logger.java: provide class and method information
+	* java/util/logging/LogManager.java: create handlers
+	* java/util/logging/SimpleFormatter.java: print souceClassName and
+	sourceMethodName
 2003-08-28  Mohan Embar  <gnustuff@thisiscool.com>
 
 	* win32.cc: fixed tab, indentation and whitespace

libjava/java/util/logging/LogManager.java

@@ -52,6 +52,7 @@ import java.util.Properties;
 import java.util.Enumeration;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.StringTokenizer;
 import java.lang.ref.WeakReference;
 
 /**
@@ -167,6 +168,7 @@ public class LogManager
      * the order in which classes are initialized.
      */
     Logger.getLogger("global").setParent(rootLogger);
+    Logger.getLogger("global").setUseParentHandlers(true);
   }
 
 
@@ -520,7 +522,7 @@ public class LogManager
 
   public synchronized void readConfiguration(InputStream inputStream)
     throws IOException, SecurityException
-  {
+  {	
     Properties   newProperties;
     Enumeration  keys;
 
@@ -532,12 +534,36 @@ public class LogManager
 
     while (keys.hasMoreElements())
     {
-      String key = (String) keys.nextElement();
+      String key = ((String) keys.nextElement()).trim();
       String value = newProperties.getProperty(key);
-
+  
       if (value == null)
 	continue;
-
+	
+	  value = value.trim();
+	
+	  if("handlers".equals(key))
+        {
+          StringTokenizer tokenizer = new StringTokenizer(value);
+          while(tokenizer.hasMoreTokens())
+            {
+              String handlerName = tokenizer.nextToken();	
+              try
+                {
+              	  Class handlerClass = Class.forName(handlerName);
+              	  getLogger("").addHandler((Handler)handlerClass.newInstance()); 
+                }
+              catch (ClassCastException ex)
+                {
+                  System.err.println("[LogManager] class " + handlerName + " is not subclass of java.util.logging.Handler");
+                }
+              catch (Exception ex)
+                {
+                  //System.out.println("[LogManager.readConfiguration]"+ex);
+                }
+            }
+        }
+	  
       if (key.endsWith(".level"))
       {
 	String loggerName = key.substring(0, key.length() - 6);
@@ -550,6 +576,7 @@ public class LogManager
 	  }
 	  catch (Exception _)
 	  {
+        //System.out.println("[LogManager.readConfiguration] "+_);
 	  }
 	  continue;
 	}

libjava/java/util/logging/Logger.java

@@ -589,9 +589,10 @@ public class Logger
 			       String message,
 			       Object param)
   {
+  	StackTraceElement caller = getCallerStackFrame();
     logp(level,
-	 /* sourceClass*/ null,
-	 /* sourceMethod */ null,
+	 caller.getClassName(),
+	 caller.getMethodName(),
 	 message,
 	 param);
   }
@@ -601,9 +602,10 @@ public class Logger
 			       String message,
 			       Object[] params)
   {
+    StackTraceElement caller = getCallerStackFrame();
     logp(level,
-	 /* sourceClass*/ null,
-	 /* sourceMethod */ null,
+	 caller.getClassName(),
+	 caller.getMethodName(),
 	 message,
 	 params);
   }
@@ -613,9 +615,10 @@ public class Logger
 			       String message,
 			       Throwable thrown)
   {
+	StackTraceElement caller = getCallerStackFrame();    
     logp(level,
-	 /* sourceClass*/ null,
-	 /* sourceMethod */ null,
+	 caller.getClassName(),
+	 caller.getMethodName(),
 	 message,
 	 thrown);
   }
@@ -1164,4 +1167,23 @@ public class Logger
 
     this.parent = parent;
   }
+  
+  /**
+   * Gets the StackTraceElement of the first class that is not this class.
+   * That should be the initial caller of a logging method.
+   * @return caller of the initial looging method
+   */
+  private StackTraceElement getCallerStackFrame()
+  {
+    Throwable t = new Throwable();
+    StackTraceElement[] stackTrace = t.getStackTrace();
+    int index = 0;
+    // skip to stackentries until this class
+    while(!stackTrace[index].getClassName().equals(getClass().getName())){index++;}
+    // skip the stackentries of this class
+    while(stackTrace[index].getClassName().equals(getClass().getName())){index++;}
+
+    return stackTrace[index];
+  }
+  
 }

libjava/java/util/logging/SimpleFormatter.java

@@ -106,7 +106,9 @@ public class SimpleFormatter
 
     buf.append(dateFormat.format(new Date(record.getMillis())));
     buf.append(' ');
-    buf.append(record.getLoggerName());
+    buf.append(record.getSourceClassName());
+    buf.append(' ');
+    buf.append(record.getSourceMethodName());
     buf.append(lineSep);
 
     buf.append(record.getLevel());