ADFLogger的SLF4J绑定–缺少的部分
由于最好的原因，在我的日常工作中，我希望为ADF Logger Oracle ADF提供一个SLF4J适配器。 毫不奇怪，slf4j没有用于ADFLogger的适配器，但是由于ADFLogger只是Java Util Logging的轻巧包装，因此花了一个多小时来填补这一空白。
存储库中的测试用例（更像是主程序）将确认适配器框架与Oracle Diagnostic Logging配合良好，而不会破坏日志消息的格式。 （这或多或少是ADFLogger提供的唯一优势）。
您可以从github的存储库下载整个代码库 。 或者，如果您只对装订罐感兴趣，请在此处下载 。
日志级别：
考虑到ADF Logger（7）上有许多日志级别，而SLF4J（5）中有更少的日志级别，因此在ADF Logger上的某些级别上做出了折衷。 映射如下：
注意：在此调整期间，已删除对日志级别FINER和CONFIG的支持。
用法：
只需继续，用SLF4J实例替换您的ADFLogger。
private static final Logger slfLogger = LoggerFactory.getLogger(LoggingChecker.class);
代替
private static final ADFLogger adfLogger= ADFLogger.createADFLogger(LoggingChecker.class);
记录方式
一个。 记录到各个级别
@Test
public void testLoggerLevels(){
adfLogger.finest("finest Message from ADF Logger");
slfLogger.trace("finest Message from SLF Logger");
adfLogger.fine("fine Message from ADF Logger");
slfLogger.debug("fine Message from SLF Logger");
adfLogger.info("info Message from ADF Logger");
slfLogger.info("info Message from SLF Logger");
adfLogger.warning("warning Message from ADF Logger");
slfLogger.warn("warning Message from SLF Logger");
adfLogger.severe("severe Message from ADF Logger");
slfLogger.error("severe Message from SLF Logger");
}
b。 记录异常
其中dummyException继承了Throwable
C。 记录参数
开发说明：
- ADF Logger Adapter框架由两个核心类（
ADFLoggerFactory.java和ADFLoggerAdapter.java）以及其他三个帮助器类组成。 - 适配器可以支持多个记录器，包括ADFLogger的ROOT记录器（这是默认记录，名称为空字符串）。
- SLF4J使用
ADFLoggerFactory.java实例化ADFLoggerAdapter也就不足为奇了。 - 对于每个Logger实例，
ADFLoggerAdapter.java组成一个ADFLoggerAdapter.java实例（绑定到记录器名称），并将调用委托给ADFLogger本身。 -
fillCallerData方法从整个日志记录堆栈中筛选ADFLoggerAdapter的堆栈框架，以便将调用者类和方法名保留为主机应用程序中的那个，而不是Adapter框架类中的。
测试用例（很好）
public class TestClass {
private static final ADFLogger adfLogger= ADFLogger.createADFLogger(TestClass.class);
private static final Logger slfLogger = LoggerFactory.getLogger(TestClass.class);
private List<String> dummyList1=null;
private List<Integer> dummyList2=null;
private Exception dummyException=null;
@Before
public void setUp(){
dummyList1=new ArrayList<String>();
dummyList1.add("Rock");
dummyList1.add("Paper");
dummyList1.add("Scissors");
dummyList2=new ArrayList<Integer>();
dummyList2.add(21);
dummyList2.add(22);
dummyList2.add(23);
dummyException=new Exception("Mind blowing Exception");
}
@Test
public void testLoggerLevels(){
adfLogger.finest("finest Message from ADF Logger");
slfLogger.trace("finest Message from SLF Logger");
adfLogger.fine("fine Message from ADF Logger");
slfLogger.debug("fine Message from SLF Logger");
adfLogger.info("info Message from ADF Logger");
slfLogger.info("info Message from SLF Logger");
adfLogger.warning("warning Message from ADF Logger");
slfLogger.warn("warning Message from SLF Logger");
adfLogger.severe("severe Message from ADF Logger");
slfLogger.error("severe Message from SLF Logger");
}
@Test
public void testException(){
adfLogger.severe("severe Message from ADF Logger", dummyException);
slfLogger.error("severe Message from SLF Logger", dummyException);
}
@Test
public void testParameters(){
adfLogger.severe("severe Message from ADF Logger Param :{0}", dummyList1 );
slfLogger.error("severe Message from SLF Logger Param :{}", dummyList1);
adfLogger.severe("severe Message from ADF Logger Param 1 :[{0}] \n [{1}]", new Object[]{dummyList1, dummyList2} );
slfLogger.error("severe Message from SLF Logger Param :{} \n {} ", dummyList1, dummyList2);
slfLogger.error("severe Message from SLF Logger Param :[{}] \n [{}] ", new Object[]{dummyList1, dummyList2});
}
输出：
记录器级别：
Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels INFO: info Message from ADF Logger Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels INFO: info Message from SLF Logger Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels WARNING: warning Message from ADF Logger Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels WARNING: warning Message from SLF Logger Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels SEVERE: severe Message from ADF Logger Jul 01, 2013 4:21:18 PM org.slf4j.test.TestClass testLoggerLevels SEVERE: severe Message from SLF Logger
测试参数：
Jul 01, 2013 4:32:04 PM org.slf4j.test.TestClass testParameters SEVERE: severe Message from ADF Logger Param :[Rock, Paper, Scissors] Jul 01, 2013 4:32:04 PM org.slf4j.test.TestClass testParameters SEVERE: severe Message from SLF Logger Param :[Rock, Paper, Scissors] Jul 01, 2013 4:32:04 PM org.slf4j.test.TestClass testParameters SEVERE: severe Message from ADF Logger Param 1 :[[Rock, Paper, Scissors]] [[21, 22, 23]] Jul 01, 2013 4:32:04 PM org.slf4j.test.TestClass testParameters SEVERE: severe Message from SLF Logger Param :[Rock, Paper, Scissors] [21, 22, 23] Jul 01, 2013 4:32:04 PM org.slf4j.test.TestClass testParameters SEVERE: severe Message from SLF Logger Param :[[Rock, Paper, Scissors]] [[21, 22, 23]]
测试异常：
Jul 01, 2013 4:32:28 PM org.slf4j.test.TestClass testException SEVERE: severe Message from ADF Logger java.lang.Exception: Mind blowing Exception at org.slf4j.test.TestClass.setUp(TestClass.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Jul 01, 2013 4:32:28 PM org.slf4j.test.TestClass testException SEVERE: severe Message from SLF Logger java.lang.Exception: Mind blowing Exception at org.slf4j.test.TestClass.setUp(TestClass.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
参考： ADFLogger的SLF4J绑定– Rerun.me博客上我们JCG合作伙伴 Arun Manivannan 的缺失作品 。
翻译自: https://www.javacodegeeks.com/2013/11/slf4j-binding-for-adflogger-the-missing-piece.html