jdk14adapterloggernametest.java

Java开发最新的日志记录工具slf4j的源码

/*
 * Copyright (c) 2004-2005 SLF4J.ORG
 * Copyright (c) 2004-2005 QOS.ch
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package org.slf4j.impl;

import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import junit.framework.TestCase;

public class JDK14AdapterLoggerNameTest extends TestCase {
  private MockHandler mockHandler;

  protected void setUp() throws Exception {
    super.setUp();
    Logger logger = Logger.getLogger("TEST");
    mockHandler = new MockHandler();
    removeHandlers(logger);
    logger.addHandler(mockHandler);
  }

  protected void tearDown() throws Exception {
    removeHandlers(Logger.getLogger("TEST"));
    super.tearDown();
  }

  public void testLoggerNameusingJdkLogging() throws Exception {
    Logger.getLogger("TEST").info("test message");
    assertCorrectLoggerName();

  }

  public void testLoggerNameUsingSlf4j() throws Exception {
    JDK14LoggerFactory factory = new JDK14LoggerFactory();
    org.slf4j.Logger logger = factory.getLogger("TEST");
    logger.info("test message");
    assertCorrectLoggerName();
  }

  private void removeHandlers(Logger logger) {
    logger.setUseParentHandlers(false);
    Handler[] handlers = logger.getHandlers();
    for (int i = 0; i < handlers.length; i++) {
      logger.removeHandler(handlers[i]);
    }
  }

  private void assertCorrectLoggerName() {
    assertNotNull("no log record", mockHandler.record);
    assertNotNull("missing logger name", mockHandler.record.getLoggerName());
  }

  private class MockHandler extends java.util.logging.Handler {
    public LogRecord record;

    public void close() throws SecurityException {
    }

    public void flush() {
    }

    public void publish(LogRecord record) {
      this.record = record;
    }

  }
}