Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.logging.Filter;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

public class Main {
    private static Logger logger = Logger.getLogger("SimpleFilter");

    static class A {
    };

    static class B {
    };

    static void sendLogMessages() {
        logger.log(Level.WARNING, "message 1!", new A());
        logger.log(Level.WARNING, "message 2!", new B());
    }

    public static void main(String[] args) {
        sendLogMessages();
        logger.setFilter(new Filter() {
            public boolean isLoggable(LogRecord record) {
                Object[] params = record.getParameters();
                if (params == null)
                    return true;
                if (record.getParameters()[0] instanceof A)
                    return true;
                return false;
            }
        });
        logger.info("After setting filter..");
        sendLogMessages();
    }
}