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/*---------------------------------------------------------------------------*
* LoggerImpl.java *
* *
* Copyright 2007, 2008 Nuance Communciations, Inc. *
* *
* 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 android.speech.recognition.impl;
import android.speech.recognition.Logger;
/**
*/
public class LoggerImpl extends Logger implements Runnable
{
private static LoggerImpl instance;
/**
* Reference to the native object.
*/
private long nativeObject;
/**
* Creates a new instance of LoggerImpl.
*
* @param function the name of the enclosing function
*/
private LoggerImpl()
{
System system = System.getInstance();
nativeObject = initNativeObject();
if (nativeObject!=0)
system.register(this);
}
public void run()
{
dispose();
}
/**
* Returns the singleton instance.
*
* @return the singleton instance
*/
public static LoggerImpl getInstance()
{
synchronized (LoggerImpl.class)
{
if (instance == null)
instance = new LoggerImpl();
return instance;
}
}
public void setLoggingLevel(LogLevel level)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
setLoggingLevelProxy(nativeObject,level);
}
}
public void setPath(String path)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
setPathProxy(nativeObject,path);
}
}
public void error(String message)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
errorProxy(nativeObject,message);
}
}
public void warn(String message)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
warnProxy(nativeObject,message);
}
}
public void info(String message)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
infoProxy(nativeObject,message);
}
}
public void trace(String message)
{
synchronized (LoggerImpl.class)
{
if (nativeObject == 0)
throw new IllegalStateException("Object has been disposed");
traceProxy(nativeObject,message);
}
}
/**
* Releases the native resources associated with the object.
*/
private void dispose()
{
synchronized (LoggerImpl.class)
{
if (nativeObject!=0)
{
deleteNativeObject(nativeObject);
System.getInstance().unregister(this);
}
nativeObject = 0;
instance = null;
}
}
@Override
protected void finalize() throws Throwable
{
dispose();
super.finalize();
}
private native long initNativeObject();
private native void setLoggingLevelProxy(long nativeObject, LogLevel level);
private native void setPathProxy(long nativeObject, String filename);
private native void errorProxy(long nativeObject, String message);
private native void warnProxy(long nativeObject, String message);
private native void infoProxy(long nativeObject, String message);
private native void traceProxy(long nativeObject,String message);
private native void deleteNativeObject(long nativeObject);
}
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