From 8b2ceddb91d4317cf34ae9651a15b69b8b634ba5 Mon Sep 17 00:00:00 2001
From: theli <theli@6c8d7289-2bf4-0310-a012-ef5d649a1542>
Date: Sat, 30 Sep 2006 08:12:22 +0000
Subject: [PATCH] *) Displaying servere and warning logging messages in
 different colors on ViewLog_p.html

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2678 6c8d7289-2bf4-0310-a012-ef5d649a1542
---
 htroot/ViewLog_p.html                         |  5 ++-
 htroot/ViewLog_p.java                         | 21 +++++++++--
 htroot/env/base.css                           | 37 +++++++++++++++++--
 .../de/anomic/server/logging/GuiHandler.java  | 27 ++++++++++++++
 4 files changed, 80 insertions(+), 10 deletions(-)

diff --git a/htroot/ViewLog_p.html b/htroot/ViewLog_p.html
index 123a3e70e..93d9138d5 100644
--- a/htroot/ViewLog_p.html
+++ b/htroot/ViewLog_p.html
@@ -16,8 +16,9 @@
       </fieldset>
     </form>
     
-    <pre>#[log]#</pre>
-
+    <div class="log">
+    #{log}#<pre class="log#(level)#Debug::Info::System::Warning::Severe#(/level)#">#[line]#</pre>#{/log}#
+	</div>
     
     #%env/templates/footer.template%#
   </body>
diff --git a/htroot/ViewLog_p.java b/htroot/ViewLog_p.java
index e492c3497..1f59be1f4 100644
--- a/htroot/ViewLog_p.java
+++ b/htroot/ViewLog_p.java
@@ -56,10 +56,9 @@ import de.anomic.server.logging.GuiHandler;
 
 public class ViewLog_p {
     
-    
     public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) {
         serverObjects prop = new serverObjects();
-        String log = "";
+        String[] log = new String[0];
         boolean reversed = false;
         int lines = 50;
         
@@ -77,15 +76,29 @@ public class ViewLog_p {
         Handler[] handlers = logger.getHandlers();
         for (int i=0; i<handlers.length; i++) {
             if (handlers[i] instanceof GuiHandler) {
-                log = ((GuiHandler)handlers[i]).getLog(reversed,lines);
+                log = ((GuiHandler)handlers[i]).getLogLines(reversed,lines);
                 break;
             }
         }
         
         prop.put("reverseChecked", reversed ? 1 : 0);
-        prop.put("log", log);
         prop.put("lines", lines);
         
+
+        int level = 0;
+        for (int i=0; i < log.length; i++) {
+            String nextLogLine = log[i];
+            if (nextLogLine.startsWith("E ")) level = 4;
+            else if (nextLogLine.startsWith("W ")) level = 3;
+            else if (nextLogLine.startsWith("S ")) level = 2;
+            else if (nextLogLine.startsWith("I ")) level = 1;
+            else if (nextLogLine.startsWith("D ")) level = 0;
+            
+            prop.put("log_" + i + "_level",level);
+            prop.put("log_" + i + "_line", nextLogLine); 
+        }
+        prop.put("log",log.length);
+        
         // return rewrite properties
         return prop;
     }
diff --git a/htroot/env/base.css b/htroot/env/base.css
index 7a1e0aadb..277def36d 100644
--- a/htroot/env/base.css
+++ b/htroot/env/base.css
@@ -339,12 +339,41 @@ dl.pairs dd {
 }
 
 /* for pages: */
+
+body#ViewLog div.log {
+  height:480px;
+  overflow:scroll;  
+}	
 
 body#ViewLog pre {
-  width:100%; /* TODO: fix width in IE */
-  height:480px;
-  overflow:scroll;
-}
+  width:100%; /* TODO: fix width in IE */
+  margin-top:0px; 
+  margin-bottom:0px;
+  font-family: Courier,monospace; 
+  font-weight: normal;
+  font-size: small;
+}
+
+body#ViewLog pre.logSevere {
+	color:red;
+}
+
+body#ViewLog pre.logWarning {
+	color:orange
+}
+
+body#ViewLog pre.logSystem {
+	color:black;
+}
+
+body#ViewLog pre.logInfo {
+	color:black;
+}
+
+body#ViewLog pre.logDebug {
+	color:black;
+}
+
 body#QuickCrawlLink p, body#QuickCrawlLink h4 {
   padding:0 5%;
 }
diff --git a/source/de/anomic/server/logging/GuiHandler.java b/source/de/anomic/server/logging/GuiHandler.java
index d8e27139f..c509ffcc4 100644
--- a/source/de/anomic/server/logging/GuiHandler.java
+++ b/source/de/anomic/server/logging/GuiHandler.java
@@ -44,6 +44,7 @@
 
 package de.anomic.server.logging;
 
+import java.util.ArrayList;
 import java.util.logging.ErrorManager;
 import java.util.logging.Filter;
 import java.util.logging.Formatter;
@@ -187,6 +188,32 @@ public class GuiHandler extends Handler{
         }
     }
     
+    public synchronized String[] getLogLines(boolean reversed, int lineCount) { 
+        
+        if ((lineCount > this.count)||(lineCount < 0)) lineCount = this.count;
+        
+        ArrayList logMessages = new ArrayList(this.count);
+        Formatter logFormatter = getFormatter();
+        
+        try {
+                int start = (reversed)?this.start+this.count-1:this.start;
+                LogRecord record=null;
+                for (int i = 0; i < lineCount; i++) {
+                    int ix = (reversed) ?
+                                Math.abs((start-i)%this.buffer.length) :
+                                (start+i)%this.buffer.length;
+                    record = this.buffer[ix];
+                    logMessages.add(logFormatter.format(record));                
+                }             
+            return (String[])logMessages.toArray(new String[logMessages.size()]);
+        } catch (Exception ex) {
+            // We don't want to throw an exception here, but we
+            // report the exception to any registered ErrorManager.
+            reportError(null, ex, ErrorManager.FORMAT_FAILURE);
+            return new String[]{"Error while formatting the logging message"};
+        }
+    }    
+    
     public void flush() {
         // TODO Auto-generated method stub