Java ListAppender.stop方法代码示例

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 testLogJsonArgument() throws InterruptedException {
    final ListAppender appender = (ListAppender) init.getAppender("List");
    appender.countDownLatch = new CountDownLatch(4);
    appender.clear();
    final Logger logger = (Logger) LogManager.getRootLogger();
    final String json = "{\"id\":10,\"name\":\"Alice\"}";
    logger.error("log:{}", json);
    // wait until background thread finished processing
    final int msgCount = 1;
    if (appender.getMessages().size() < msgCount) {
        appender.countDownLatch.await(5, 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 String eventStr = list.get(0).toString();
    Assert.assertTrue(eventStr, eventStr.contains(json));
}
 

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
/**
 * 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
public void testHeader() {
    final ListAppender listApp = context.getListAppender("List");
    final Logger logger = context.getLogger(this.getClass().getName());
    logger.info("Hello World");
    final List<String> messages = listApp.getMessages();
    Assert.assertFalse(messages.isEmpty());
    final String messagesStr = messages.toString();
    Assert.assertEquals(messagesStr, "Header: value0", messages.get(0));
    listApp.stop();
    Assert.assertEquals(messagesStr, "Footer: value1", messages.get(2));
}
 

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);
}
 

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() {

    // set up appender
    final HTMLLayout layout = HTMLLayout.createLayout("true", null, null, null, "small", 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");

    root.debug("First line\nSecond line");

    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 85 " + list.size(), list.size() > 85);
    final String string = list.get(3);
    assertTrue("Incorrect header: " + string, string.equals("<meta charset=\"UTF-8\"/>"));
    assertTrue("Incorrect title", list.get(4).equals("<title>Log4j Log Messages</title>"));
    assertTrue("Incorrect footer", list.get(list.size() - 1).equals("</body></html>"));
    assertTrue("Incorrect multiline", list.get(50).equals(multiLine));
    assertTrue("Incorrect body", list.get(71).equals(body));

}
 

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 SerializedLayout layout = SerializedLayout.createLayout();
    final ListAppender appender = new ListAppender("List", null, layout, false, true);
    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"));

    final Exception parent = new IllegalStateException("Test");
    final Throwable child = new LoggingException("This is a test", parent);

    root.error("Throwing an exception", child);

    appender.stop();

    final List<byte[]> data = appender.getData();
    assertTrue(data.size() > 0);
    int i = 0;
    for (final byte[] item : data) {
        final ByteArrayInputStream bais = new ByteArrayInputStream(item);
        final ObjectInputStream ois = new ObjectInputStream(bais);
        LogEvent event;
        try {
            event = (LogEvent) ois.readObject();
        } catch (final IOException ioe) {
            System.err.println("Exception processing item " + i);
            throw ioe;
        }
        assertTrue("Incorrect event", event.toString().equals(expected[i]));
        ++i;
    }

}