implemented better logging using java.util.logging.

1 files changed, 85 insertions, 0 deletions

diff --git a/src/java/com/sun/gluegen/Logging.java b/src/java/com/sun/gluegen/Logging.java
new file mode 100644
index 0000000..b38118c
--- /dev/null
+++ b/src/java/com/sun/gluegen/Logging.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2010, Michael Bien
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of JogAmp nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Michael Bien BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Created on Wednesday, March 31 2010 13:30
+ */
+package com.sun.gluegen;
+
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Formatter;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author Michael Bien
+ */
+public class Logging {
+
+    static void init() {
+
+        String pakage = Logging.class.getPackage().getName();
+        String property = System.getProperty(pakage+".level");
+        Level level;
+        if(property != null) {
+            level = Level.parse(property);
+        }else{
+            level = Level.WARNING;
+        }
+
+        ConsoleHandler handler = new ConsoleHandler() {
+            @Override
+            public java.util.logging.Formatter getFormatter() {
+                return new PlainLogFormatter();
+            }
+        };
+        handler.setFormatter(new PlainLogFormatter());
+        handler.setLevel(level);
+
+        Logger rootPackageLogger = Logger.getLogger(pakage);
+        rootPackageLogger.setUseParentHandlers(false);
+        rootPackageLogger.setLevel(level);
+        rootPackageLogger.addHandler(handler);
+    }
+
+    /**
+     * This log formatter needs usually one line per log record.
+     * @author Michael Bien
+     */
+    private static class PlainLogFormatter extends Formatter {
+
+        //@Override
+        public String format(LogRecord record) {
+            StringBuilder sb = new StringBuilder(128);
+            sb.append("[").append(record.getLevel()).append(' ').append(record.getSourceClassName()).append("]: ");
+            sb.append(formatMessage(record)).append("\n");
+            return sb.toString();
+        }
+    }
+}