Java ListAppender.start方法代码示例

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
public void testClassName() {
    final Category category = Category.getInstance("TestCategory");
    final Layout<String> layout = PatternLayout.createLayout("%d %p %C{1.} [%t] %m%n", null, null, null, null);
    final ListAppender appender = new ListAppender("List2", null, layout, false, false);
    appender.start();
    category.setAdditivity(false);
    category.getLogger().addAppender(appender);
    category.error("Test Message");
    final List<String> msgs = appender.getMessages();
    assertTrue("Incorrect number of messages. Expected 1 got " + msgs.size(), msgs.size() == 1);
    final String msg = msgs.get(0);
    appender.clear();
    final String threadName = Thread.currentThread().getName();
    final String expected = "ERROR o.a.l.CategoryTest [" + threadName + "] Test Message" + Constants.LINE_SEP;
    assertTrue("Incorrect message \"" + msg + "\"" + " expected \"" + expected +"\"", msg.endsWith(expected));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Tests logger.trace(Object).
 */
@Test
public void testTrace() {
    final ListAppender appender = new ListAppender("List");
    appender.start();
    final Logger root = Logger.getRootLogger();
    root.getLogger().addAppender(appender);
    root.setLevel(Level.INFO);

    final Logger tracer = Logger.getLogger("com.example.Tracer");
    tracer.setLevel(Level.TRACE);

    tracer.trace("Message 1");
    root.trace("Discarded Message");
    root.trace("Discarded Message");

    final List<LogEvent> msgs = appender.getEvents();
    assertEquals(1, msgs.size());
    final LogEvent event = msgs.get(0);
    assertEquals(org.apache.logging.log4j.Level.TRACE, event.getLevel());
    assertEquals("Message 1", event.getMessage().getFormat());
    appender.stop();
    root.getLogger().removeAppender(appender);
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Tests logger.trace(Object, Exception).
 */
@Test
public void testTraceWithException() {
    final ListAppender appender = new ListAppender("List");
    appender.start();
    final Logger root = Logger.getRootLogger();
    root.getLogger().addAppender(appender);
    root.setLevel(Level.INFO);

    final Logger tracer = Logger.getLogger("com.example.Tracer");
    tracer.setLevel(Level.TRACE);
    final NullPointerException ex = new NullPointerException();

    tracer.trace("Message 1", ex);
    root.trace("Discarded Message", ex);
    root.trace("Discarded Message", ex);

    final List<LogEvent> msgs = appender.getEvents();
    assertEquals(1, msgs.size());
    final LogEvent event = msgs.get(0);
    assertEquals(org.apache.logging.log4j.Level.TRACE, event.getLevel());
    assertEquals("Message 1", event.getMessage().getFormattedMessage());
    appender.stop();
    root.getLogger().removeAppender(appender);
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Tests isTraceEnabled.
 */
@Test
public void testIsTraceEnabled() {
    final ListAppender appender = new ListAppender("List");
    appender.start();
    final Logger root = Logger.getRootLogger();
    root.getLogger().addAppender(appender);
    root.setLevel(Level.INFO);

    final Logger tracer = Logger.getLogger("com.example.Tracer");
    tracer.setLevel(Level.TRACE);

    assertTrue(tracer.isTraceEnabled());
    assertFalse(root.isTraceEnabled());
    appender.stop();
    root.getLogger().removeAppender(appender);
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
@SuppressWarnings("deprecation")
public void testLog() {
    final PatternLayout layout = PatternLayout.createLayout("%d %C %L %m", null, null, null, null);
    final ListAppender appender = new ListAppender("List", null, layout, false, false);
    appender.start();
    final Logger root = Logger.getRootLogger();
    root.getLogger().addAppender(appender);
    root.setLevel(Level.INFO);
    final MyLogger log = new MyLogger(root);
    log.logInfo("This is a test", null);
    root.log(Priority.INFO, "Test msg2", null);
    root.log(Priority.INFO, "Test msg3");
    final List<String> msgs = appender.getMessages();
    assertTrue("Incorrect number of messages", msgs.size() == 3);
    final String msg = msgs.get(0);
    assertTrue("Message contains incorrect class name: " + msg, msg.contains(LoggerTest.class.getName()));
    appender.stop();
    root.getLogger().removeAppender(appender);
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
public void testClassName() {
    final Category category = Category.getInstance("TestCategory");
    final Layout<String> layout = PatternLayout.newBuilder().withPattern("%d %p %C{1.} [%t] %m%n").build();
    final ListAppender appender = new ListAppender("List2", null, layout, false, false);
    appender.start();
    category.setAdditivity(false);
    category.getLogger().addAppender(appender);
    category.error("Test Message");
    final List<String> msgs = appender.getMessages();
    assertTrue("Incorrect number of messages. Expected 1 got " + msgs.size(), msgs.size() == 1);
    final String msg = msgs.get(0);
    appender.clear();
    final String threadName = Thread.currentThread().getName();
    final String expected = "ERROR o.a.l.CategoryTest [" + threadName + "] Test Message" + Strings.LINE_SEPARATOR;
    assertTrue("Incorrect message " + Strings.dquote(msg) + " expected " + Strings.dquote(expected), msg.endsWith(expected));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Tests isTraceEnabled.
 */
@Test
public void testIsTraceEnabled() {
    final ListAppender appender = new ListAppender("List");
    appender.start();
    final Logger root = Logger.getRootLogger();
    try {
        root.getLogger().addAppender(appender);
        root.setLevel(Level.INFO);

        final Logger tracer = Logger.getLogger("com.example.Tracer");
        tracer.setLevel(Level.TRACE);

        assertTrue(tracer.isTraceEnabled());
        assertFalse(root.isTraceEnabled());
        appender.stop();
    } finally {
        root.getLogger().removeAppender(appender);
    }
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
@SuppressWarnings("deprecation")
public void testLog() {
    final PatternLayout layout = PatternLayout.newBuilder().withPattern("%d %C %L %m").build();
    final ListAppender appender = new ListAppender("List", null, layout, false, false);
    appender.start();
    final Logger root = Logger.getRootLogger();
    try {
        root.getLogger().addAppender(appender);
        root.setLevel(Level.INFO);
        final MyLogger log = new MyLogger(root);
        log.logInfo("This is a test", null);
        root.log(Priority.INFO, "Test msg2", null);
        root.log(Priority.INFO, "Test msg3");
        final List<String> msgs = appender.getMessages();
        assertTrue("Incorrect number of messages", msgs.size() == 3);
        final String msg = msgs.get(0);
        assertTrue("Message contains incorrect class name: " + msg, msg.contains(LoggerTest.class.getName()));
        appender.stop();
    } finally {
        root.getLogger().removeAppender(appender);
    }
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
protected void testServer(final String message1, final String message2) throws Exception {
    final Filter socketFilter = new ThreadFilter(Filter.Result.NEUTRAL, Filter.Result.DENY);
    final Filter serverFilter = new ThreadFilter(Filter.Result.DENY, Filter.Result.NEUTRAL);
    final SocketAppender appender = SocketAppender.createAppender("localhost", this.port, this.protocol, "-1", null, "Test", null,
            "false", null, socketFilter, null, null);
    appender.start();
    final ListAppender listApp = new ListAppender("Events", serverFilter, null, false, false);
    listApp.start();
    final PatternLayout layout = PatternLayout.createLayout("%m %ex%n", null, null, null, null);
    final ConsoleAppender console = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "false", "true");
    final Logger serverLogger = ctx.getLogger(this.getClass().getName());
    serverLogger.addAppender(console);
    serverLogger.setAdditive(false);

    // set appender on root and set level to debug
    root.addAppender(appender);
    root.addAppender(listApp);
    root.setAdditive(false);
    root.setLevel(Level.DEBUG);
    root.debug(message1);
    root.debug(message2);
    Thread.sleep(100);
    final List<LogEvent> events = listApp.getEvents();
    assertNotNull("No event retrieved", events);
    assertTrue("No events retrieved", events.size() > 0);
    assertTrue("Incorrect event", events.get(0).getMessage().getFormattedMessage().equals(message1));
    assertTrue("Incorrect number of events received: " + events.size(), events.size() == 2);
    assertTrue("Incorrect event", events.get(1).getMessage().getFormattedMessage().equals(message2));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
public void testServer() throws Exception {
    final Filter clientFilter = new MessageFilter(Filter.Result.NEUTRAL, Filter.Result.DENY);
    final Filter serverFilter = new MessageFilter(Filter.Result.DENY, Filter.Result.NEUTRAL);
    final CompositeFilter clientFilters = CompositeFilter.createFilters(new Filter[]{clientFilter});
    final JMSQueueAppender appender = JMSQueueAppender.createAppender("Test", null, null, null, null, null, FACTORY_NAME,
            QUEUE_NAME, null, null, null, clientFilters, "true");
    appender.start();
    final CompositeFilter serverFilters = CompositeFilter.createFilters(new Filter[]{serverFilter});
    final ListAppender listApp = new ListAppender("Events", serverFilters, null, false, false);
    listApp.start();
    final PatternLayout layout = PatternLayout.createLayout("%m %ex%n", null, null, null, null);
    final ConsoleAppender console = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "false", "true");
    console.start();
    final Logger serverLogger = ctx.getLogger(JMSTopicReceiver.class.getName());
    serverLogger.addAppender(console);
    serverLogger.setAdditive(false);


    // set appender on root and set level to debug
    root.addAppender(listApp);
    root.addAppender(appender);
    root.setAdditive(false);
    root.setLevel(Level.DEBUG);
    root.debug("This is a test message");
    Thread.sleep(100);
    final List<LogEvent> events = listApp.getEvents();
    assertNotNull("No event retrieved", events);
    assertTrue("No events retrieved", events.size() > 0);
    assertTrue("Incorrect event", events.get(0).getMessage().getFormattedMessage().equals("This is a test message"));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
@Test
public void testServer() throws Exception {
    final Filter clientFilter = new MessageFilter(Filter.Result.NEUTRAL, Filter.Result.DENY);
    final Filter serverFilter = new MessageFilter(Filter.Result.DENY, Filter.Result.NEUTRAL);
    final CompositeFilter clientFilters = CompositeFilter.createFilters(new Filter[]{clientFilter});
    final JMSTopicAppender appender = JMSTopicAppender.createAppender("Test", null, null, null, null, null, FACTORY_NAME,
            TOPIC_NAME, null, null, null, clientFilters, "true");
    appender.start();
    final CompositeFilter serverFilters = CompositeFilter.createFilters(new Filter[]{serverFilter});
    final ListAppender listApp = new ListAppender("Events", serverFilters, null, false, false);
    listApp.start();
    final PatternLayout layout = PatternLayout.createLayout("%m %ex%n", null, null, null, null);
    final ConsoleAppender console =
            ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "Console", "false", "true");
    console.start();
    final Logger serverLogger = ctx.getLogger(JMSTopicReceiver.class.getName());
    serverLogger.addAppender(console);
    serverLogger.setAdditive(false);


    // set appender on root and set level to debug
    root.addAppender(listApp);
    root.addAppender(appender);
    root.setAdditive(false);
    root.setLevel(Level.DEBUG);
    root.debug("This is a test message");
    Thread.sleep(100);
    final List<LogEvent> events = listApp.getEvents();
    assertNotNull("No event retrieved", events);
    assertTrue("No events retrieved", events.size() > 0);
    assertTrue("Incorrect event", events.get(0).getMessage().getFormattedMessage().equals("This is a test message"));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Test case for MDC conversion pattern.
 */
@Test
public void testLayout() throws Exception {

    // set up appender
    final XMLLayout layout = XMLLayout.createLayout("true", "true", "true", null, null, null);
    final ListAppender appender = new ListAppender("List", null, layout, true, false);
    appender.start();

    // set appender on root and set level to debug
    root.addAppender(appender);
    root.setLevel(Level.DEBUG);

    // output starting message
    root.debug("starting mdc pattern test");

    root.debug("empty mdc");

    ThreadContext.put("key1", "value1");
    ThreadContext.put("key2", "value2");

    root.debug("filled mdc");

    ThreadContext.remove("key1");
    ThreadContext.remove("key2");

    root.error("finished mdc pattern test", new NullPointerException("test"));

    appender.stop();

    final List<String> list = appender.getMessages();

    assertTrue("Incorrect number of lines. Require at least 50 " + list.size(), list.size() > 50);
    final String string = list.get(0);
    assertTrue("Incorrect header: " + string, string.equals("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
    assertTrue("Incorrect footer", list.get(list.size() - 1).equals("</Events>"));
    assertTrue("Incorrect body. Expected " + body + " Actual: " + list.get(7), list.get(7).trim().equals(body));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
static void testLayoutNormalApi(final Logger root, final AbstractCsvLayout layout, final boolean messageApi)
        throws Exception {
    removeAppenders(root);
    // set up appender
    final ListAppender appender = new ListAppender("List", null, layout, true, false);
    appender.start();

    appender.countDownLatch = new CountDownLatch(4);

    // set appender on root and set level to debug
    root.addAppender(appender);
    root.setLevel(Level.DEBUG);

    // output messages
    if (messageApi) {
        logDebugObjectArrayMessage(root);
    } else {
        logDebugNormalApi(root);
    }
    final int msgCount = 4;
    if (appender.getMessages().size() < msgCount) {
        // wait until background thread finished processing
        appender.countDownLatch.await(10, TimeUnit.SECONDS);
    }
    assertEquals("Background thread did not finish processing: msg count", msgCount, appender.getMessages().size());

    // don't stop appender until background thread is done
    appender.stop();

    final List<String> list = appender.getMessages();
    final char d = layout.getFormat().getDelimiter();
    Assert.assertEquals("1" + d + "2" + d + "3", list.get(0));
    Assert.assertEquals("2" + d + "3", list.get(1));
    Assert.assertEquals("5" + d + "6", list.get(2));
    Assert.assertEquals("7" + d + "8" + d + "9" + d + "10", list.get(3));
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Tests logger.trace(Object, Exception).
 */
@Test
public void testTraceWithException() {
    final ListAppender appender = new ListAppender("List");
    appender.start();
    final Logger root = Logger.getRootLogger();
    try {
        root.getLogger().addAppender(appender);
        root.setLevel(Level.INFO);

        final Logger tracer = Logger.getLogger("com.example.Tracer");
        tracer.setLevel(Level.TRACE);
        final NullPointerException ex = new NullPointerException();

        tracer.trace("Message 1", ex);
        root.trace("Discarded Message", ex);
        root.trace("Discarded Message", ex);

        final List<LogEvent> msgs = appender.getEvents();
        assertEquals(1, msgs.size());
        final LogEvent event = msgs.get(0);
        assertEquals(org.apache.logging.log4j.Level.TRACE, event.getLevel());
        assertEquals("Message 1", event.getMessage().getFormattedMessage());
        appender.stop();
    } finally {
        root.getLogger().removeAppender(appender);
    }
}
 

import org.apache.logging.log4j.test.appender.ListAppender; //导入方法依赖的package包/类
/**
 * Test case for MDC conversion pattern.
 */
@Test
public void testLayout() throws Exception {

    // set up appender
    final JSONLayout layout = JSONLayout.createLayout("true", "true", "true", "false", null);
    final ListAppender appender = new ListAppender("List", null, layout, true, false);
    appender.start();

    // set appender on root and set level to debug
    this.root.addAppender(appender);
    this.root.setLevel(Level.DEBUG);

    // output starting message
    this.root.debug("starting mdc pattern test");

    this.root.debug("empty mdc");

    ThreadContext.put("key1", "value1");
    ThreadContext.put("key2", "value2");

    this.root.debug("filled mdc");

    ThreadContext.remove("key1");
    ThreadContext.remove("key2");

    this.root.error("finished mdc pattern test", new NullPointerException("test"));

    appender.stop();

    final List<String> list = appender.getMessages();

    // System.out.println(list);
    // [[, {, "logger":"root",, "timestamp":"1376676700199",, "level":"DEBUG",, "thread":"main",,
    // "message":"starting mdc pattern test",, "LocationInfo":{,
    // "class":"org.apache.logging.log4j.core.layout.JSONLayoutTest",, "method":"testLayout",,
    // "file":"JSONLayoutTest.java",, "line":"87", }, },, {, "logger":"root",, "timestamp":"1376676700203",,
    // "level":"DEBUG",, "thread":"main",, "message":"empty mdc",, "LocationInfo":{,
    // "class":"org.apache.logging.log4j.core.layout.JSONLayoutTest",, "method":"testLayout",,
    // "file":"JSONLayoutTest.java",, "line":"89", }, },, {, "logger":"root",, "timestamp":"1376676700204",,
    // "level":"DEBUG",, "thread":"main",, "message":"filled mdc",, "LocationInfo":{,
    // "class":"org.apache.logging.log4j.core.layout.JSONLayoutTest",, "method":"testLayout",,
    // "file":"JSONLayoutTest.java",, "line":"94", },, "Properties":[, {, "name":"key2",, "value":"value2", },, {,
    // "name":"key1",, "value":"value1", }, ], },, {, "logger":"root",, "timestamp":"1376676700204",,
    // "level":"ERROR",, "thread":"main",, "message":"finished mdc pattern test",,
    // "throwable":"java.lang.NullPointerException: test\\n\\tat org.apache.logging.log4j.core.layout.JSONLayoutTest.testLayout(JSONLayoutTest.java:99)\\n\\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\\n\\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)\\n\\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\\n\\tat java.lang.reflect.Method.invoke(Method.java:606)\\n\\tat org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)\\n\\tat org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)\\n\\tat org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)\\n\\tat org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)\\n\\tat org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)\\n\\tat org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)\\n\\tat org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)\\n\\tat org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)\\n\\tat org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)\\n\\tat org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)\\n\\tat org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)\\n\\tat org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)\\n\\tat org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)\\n\\tat org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)\\n\\tat org.junit.runners.ParentRunner.run(ParentRunner.java:309)\\n\\tat org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)\\n\\tat org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)\\n\\tat org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)\\n\\tat org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)\\n\\tat org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)\\n\\tat org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)\\n",,
    // "LocationInfo":{, "class":"org.apache.logging.log4j.core.layout.JSONLayoutTest",, "method":"testLayout",,
    // "file":"JSONLayoutTest.java",, "line":"99", }, },, ]]

    this.checkAt("[", 0, list);
    this.checkAt("{", 1, list);
    this.checkAt("\"logger\":\"root\",", 2, list);
    this.checkAt("\"level\":\"DEBUG\",", 4, list);
    this.checkAt("\"message\":\"starting mdc pattern test\",", 6, list);
}