RemoteLoggerAppender.java

package se.cambio.cds.util;

import javax.swing.SwingUtilities;

import org.apache.log4j.Appender;
import org.apache.log4j.Layout;
import org.apache.log4j.SimpleLayout;
import org.apache.log4j.spi.ErrorHandler;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LoggingEvent;

import se.cambio.openehr.util.exceptions.InternalErrorException;

public class RemoteLoggerAppender implements Appender{

    private Layout _layout = null;

    @Override
    public void addFilter(Filter newFilter) {
	// TODO Auto-generated method stub

    }

    @Override
    public Filter getFilter() {
	// TODO Auto-generated method stub
	return null;
    }

    @Override
    public void clearFilters() {
	// TODO Auto-generated method stub

    }

    @Override
    public void close() {
	// TODO Auto-generated method stub

    }

    @Override
    public void doAppend(LoggingEvent event) {
	String msg = getLayout().format(event);
	if (msg!=null){
	    SwingUtilities.invokeLater(new SendEventRunnable(msg));
	}else{
	    System.out.println(new SimpleLayout().format(event));
	}
    }

    private class SendEventRunnable implements Runnable{
	private String _msg = null;
	public SendEventRunnable(String msg){
	    _msg = msg;
	}
	@Override
	public void run() {
	    try {
		SimpleHttpTransport.send(_msg);
	    } catch (InternalErrorException e) {
		e.printStackTrace();
	    }
	}

    }

    @Override
    public String getName() {
	return "RemoteLoggerAppender";
    }

    @Override
    public void setErrorHandler(ErrorHandler errorHandler) {
	// TODO Auto-generated method stub

    }

    @Override
    public ErrorHandler getErrorHandler() {
	// TODO Auto-generated method stub
	return null;
    }

    @Override
    public void setLayout(Layout layout) {
	_layout = layout;
    }

    @Override
    public Layout getLayout() {
	if (_layout==null){
	    _layout = new LogEventJSONLayout();
	}
	return _layout;
    }

    @Override
    public void setName(String name) {
	// TODO Auto-generated method stub

    }

    @Override
    public boolean requiresLayout() {
	// TODO Auto-generated method stub
	return false;
    }


}