1 files changed, 295 insertions, 0 deletions
diff --git a/src/plugins/preflighting.core/src/com/motorolamobility/preflighting/core/internal/logging/Logger.java b/src/plugins/preflighting.core/src/com/motorolamobility/preflighting/core/internal/logging/Logger.java
new file mode 100644
index 0000000..731f62c
--- /dev/null
+++ b/src/plugins/preflighting.core/src/com/motorolamobility/preflighting/core/internal/logging/Logger.java
@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.motorolamobility.preflighting.core.internal.logging;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Properties;
+
+import org.apache.log4j.Level;
+import org.apache.log4j.PropertyConfigurator;
+
+import com.motorolamobility.preflighting.core.PreflightingCorePlugin;
+
+/**
+ * Logger provides a logging facility to the <b>MOTODEV Studio</b> based
+ * applications such as Studios and RCP applications. </p> <b>Note:</b> The logs
+ * will be saved on the plug-in state area for this plug-in.
+ */
+public final class Logger
+{
+
+    /**
+     * Configure Log4J
+     */
+    static
+    {
+        URL log4jProperties =
+                PreflightingCorePlugin.getContext().getBundle().getResource("etc/log4j.properties");
+        Properties p = new Properties();
+        try
+        {
+            p.load(log4jProperties.openStream());
+            PropertyConfigurator.configure(p);
+        }
+        catch (IOException e)
+        {
+            //Do Nothing.
+        }
+    }
+
+    /*
+     * This Map pools the Logger instances.
+     */
+    private static HashMap<String, Logger> pool;
+
+    /*
+     * Log4j logger instance being wrapped.
+     */
+    private final org.apache.log4j.Logger logger;
+
+    /**
+     * Builds a logger associated to the specified name.
+     * 
+     * @param name The name of the logger.
+     */
+    private Logger(String name)
+    {
+        logger = org.apache.log4j.Logger.getLogger(name);
+    }
+
+    /**
+     * Gets a logger named according to the value of the name parameter. If the
+     * named logger already exists, then the existing instance will be returned.
+     * Otherwise, a new instance is created.
+     * 
+     * @param name The name of the logger.
+     * @return the logger associated to the specified name.
+     */
+    public static synchronized Logger getLogger(String name)
+    {
+        Logger logger = null;
+        if (pool == null)
+        {
+            pool = new HashMap<String, Logger>();
+        }
+
+        if (pool.containsKey(name))
+        {
+            logger = pool.get(name);
+        }
+        else
+        {
+            logger = new Logger(name);
+            pool.put(name, logger);
+        }
+        return logger;
+    }
+
+    /**
+     * Logs the specified message with the specified level.
+     * 
+     * @param level The log level.
+     * @param message The message to log.
+     */
+    public void log(int level, String message)
+    {
+        boolean key = true;
+        if ((level == com.motorolamobility.preflighting.core.logging.Level.OFF)
+                || (level == com.motorolamobility.preflighting.core.logging.Level.ALL))
+        {
+            key = false;
+        }
+
+        if (key)
+        {
+            logger.log(Level.toLevel(level), message);
+        }
+    }
+
+    /**
+     * Logs the specified message and an exception stack trace.
+     * 
+     * @param level The log level.
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void log(int level, String message, Throwable exception)
+    {
+        boolean key = true;
+        if ((level == com.motorolamobility.preflighting.core.logging.Level.OFF)
+                || (level == com.motorolamobility.preflighting.core.logging.Level.ALL))
+        {
+            key = false;
+        }
+        if (key)
+        {
+            logger.log(Level.toLevel(level), message, exception);
+        }
+    }
+
+    /**
+     * Log a message object with the DEBUG level.
+     * 
+     * @param message The message to log.
+     */
+    public void debug(String message)
+    {
+        debug(message, null);
+    }
+
+    /**
+     * Log a message object with the DEBUG level.
+     * 
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void debug(String message, Throwable exception)
+    {
+        if (null == exception)
+        {
+            logger.debug(message);
+        }
+        else
+        {
+            logger.debug(message, exception);
+        }
+    }
+
+    /**
+     * Log a message object with the INFO level.
+     * 
+     * @param message The message to log.
+     */
+    public void info(String message)
+    {
+        info(message, null);
+    }
+
+    /**
+     * Log a message object with the INFO level.
+     * 
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void info(String message, Throwable exception)
+    {
+        if (null == exception)
+        {
+            logger.info(message);
+        }
+        else
+        {
+            logger.info(message, exception);
+        }
+    }
+
+    /**
+     * Log a message object with the WARN level.
+     * 
+     * @param message The message to log.
+     */
+    public void warn(String message)
+    {
+        warn(message, null);
+    }
+
+    /**
+     * Log a message object with the WARN level.
+     * 
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void warn(String message, Throwable exception)
+    {
+        if (null == exception)
+        {
+            logger.warn(message);
+        }
+        else
+        {
+            logger.warn(message, exception);
+        }
+    }
+
+    /**
+     * Log a message object with the ERROR level.
+     * 
+     * @param message The message to log.
+     */
+    public void error(String message)
+    {
+        error(message, null);
+    }
+
+    /**
+     * Log a message object with the ERROR level.
+     * 
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void error(String message, Throwable exception)
+    {
+        if (null == exception)
+        {
+            logger.error(message);
+        }
+        else
+        {
+            logger.error(message, exception);
+        }
+    }
+
+    /**
+     * Log a message object with the FATAL level.
+     * 
+     * @param message The message to log.
+     */
+    public void fatal(String message)
+    {
+        fatal(message, null);
+    }
+
+    /**
+     * Log a message object with the FATAL level.
+     * 
+     * @param message The message to log.
+     * @param exception Exception whose stack will be logged.
+     */
+    public void fatal(String message, Throwable exception)
+    {
+        if (null == exception)
+        {
+            logger.fatal(message);
+        }
+        else
+        {
+            logger.fatal(message, exception);
+        }
+    }
+
+    /**
+     * Sets the Logger level to the specified value.
+     * 
+     * @param level One of the {@link com.motorolamobility.preflighting.core.logging.Level}
+     *            constants.
+     */
+    public void setLevel(int level)
+    {
+        logger.setLevel(Level.toLevel(level));
+    }
+}