Author: [log in to unmask]
Date: Mon Apr 27 16:06:56 2015
New Revision: 3596

Log:
Add a log formatter that will print only the message and tracebacks.

Added:
    projects/lcsim/trunk/util/src/main/java/org/lcsim/util/log/MessageOnlyLogFormatter.java

Added: projects/lcsim/trunk/util/src/main/java/org/lcsim/util/log/MessageOnlyLogFormatter.java
 =============================================================================
--- projects/lcsim/trunk/util/src/main/java/org/lcsim/util/log/MessageOnlyLogFormatter.java	(added)
+++ projects/lcsim/trunk/util/src/main/java/org/lcsim/util/log/MessageOnlyLogFormatter.java	Mon Apr 27 16:06:56 2015
@@ -0,0 +1,46 @@
+package org.lcsim.util.log;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.logging.Formatter;
+import java.util.logging.LogRecord;
+
+/**
+ * A log <code>Formatter</code> that prints only the message and error tracebacks.
+ *
+ * @author Jeremy McCormick <[log in to unmask]>
+ */
+public class MessageOnlyLogFormatter extends Formatter {
+
+    /**
+     * Class constructor.
+     */
+    public MessageOnlyLogFormatter() {
+    }
+
+    /**
+     * Format the <code>LogRecord</code> for printing
+     *
+     * @param record the <code>LogRecord</code> to format
+     */
+    @Override
+    public String format(final LogRecord record) {
+        final StringBuilder sb = new StringBuilder();
+
+        // Append the message.
+        sb.append(formatMessage(record) + '\n');
+
+        // Append a traceback if there was an error thrown.
+        if (record.getThrown() != null) {
+            try {
+                final StringWriter sw = new StringWriter();
+                final PrintWriter pw = new PrintWriter(sw);
+                record.getThrown().printStackTrace(pw);
+                pw.close();
+                sb.append(sw.toString());
+            } catch (final Exception ex) {
+            }
+        }
+        return sb.toString();
+    }
+}

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