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Log.java
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Log.java
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package edu.ucla.cens.systemlog;
import android.content.ComponentName;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.RemoteException;
public class Log
{
private static final String DEFAULT_APP_NAME = "default";
private static final String TAG = "CENS.SystemLog";
private static ISystemLog sLogger;
private static boolean sConnected = false;
private static String sAppName = DEFAULT_APP_NAME;
private static String sUserId;
public static void setAppName(String name)
{
sAppName = name;
}
public static ServiceConnection SystemLogConnection
= new ServiceConnection()
{
public void onServiceConnected(ComponentName className,
IBinder service)
{
sLogger = ISystemLog.Stub.asInterface(service);
sConnected = true;
}
public void onServiceDisconnected(ComponentName className)
{
sLogger = null;
sConnected = false;
}
};
public static void register(String tag)
{
if (sConnected)
{
try
{
sLogger.registerLogger(tag, sAppName);
}
catch (RemoteException re)
{
android.util.Log.e(TAG,
"Remote Exception when trying to register tag"
+ tag, re);
}
}
else
{
android.util.Log.i(TAG,
"Not connected to SystemLog. Could not register "
+ tag);
}
}
public static boolean isConnected()
{
return sConnected;
}
public static boolean isRegistered(String tag)
{
boolean res = false;
if (sConnected)
{
try
{
res = sLogger.isRegistered(tag);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
res = false;
}
}
else
{
android.util.Log.e(tag, "Not connected");
res = false;
}
return res;
}
public static void i (String tag, String message)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.info(tag, message);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.i(tag, message);
}
}
public static void d (String tag, String message)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.debug(tag, message);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.d(tag, message);
}
}
public static void e (String tag, String message, Exception e)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.error(tag, message + e.getMessage());
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.e(tag, message, e);
}
}
public static void e (String tag, String message)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.error(tag, message);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.e(tag, message);
}
}
public static void v (String tag, String message)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.verbose(tag, message);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.v(tag, message);
}
}
public static void w (String tag, String message)
{
if (sConnected)
{
try
{
if (!sLogger.isRegistered(tag))
register(tag);
sLogger.warning(tag, message);
}
catch (RemoteException re)
{
android.util.Log.e(TAG, "Remote Exception", re);
}
}
else
{
android.util.Log.w(tag, message);
}
}
}