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BAEL-3321 Flogger Fluent Logging (#7872)

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* Added Flogger maven dependency

* Implemented Flogger logging examples

* Finished implementing Flogger logging examples

* Changed Flogger Test to Integration tests

* Adding examples on optimisation

* Added support for Slf4j and Log4j backends

* Added support for Slf4j and Log4j backends, uncommended dependencies in pom, removed log4j config file
This commit is contained in:
Alfred Samanga 2019-09-25 08:13:00 +02:00 committed by maibin
parent 0a67756dee
commit 6f9c339986
2 changed files with 62 additions and 0 deletions
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39
logging-modules/flogger/pom.xml
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@ -17,11 +17,50 @@
<artifactId>flogger</artifactId>
<version>0.4</version>
</dependency>
<dependency>
<groupId>com.google.flogger</groupId>
<artifactId>flogger-system-backend</artifactId>
<version>0.4</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.google.flogger</groupId>
<artifactId>flogger-slf4j-backend</artifactId>
<version>0.4</version>
</dependency>
<dependency>
<groupId>com.google.flogger</groupId>
<artifactId>flogger-log4j-backend</artifactId>
<version>0.4</version>
<exclusions>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>apache-log4j-extras</artifactId>
<version>1.2.17</version>
</dependency>
</dependencies>
</project>

23
logging-modules/flogger/src/test/java/com/baeldung/flogger/FloggerIntegrationTest.java
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@ -12,6 +12,10 @@ import java.util.stream.IntStream;
import static com.google.common.flogger.LazyArgs.lazy;
public class FloggerIntegrationTest {
static {
// System.setProperty("flogger.backend_factory", "com.google.common.flogger.backend.log4j.Log4jBackendFactory#getInstance");
System.setProperty("flogger.backend_factory", "com.google.common.flogger.backend.slf4j.Slf4jBackendFactory#getInstance");
}
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
@Test
@ -28,6 +32,16 @@ public class FloggerIntegrationTest {
});
}
@Test
public void givenAnObject_shouldLogTheObject() {
User user = new User();
logger.atInfo().log("The user is: %s", user); //correct
//The following ways of logging are not recommended
logger.atInfo().log("The user is: %s", user.toString());
logger.atInfo().log("The user is: %s" + user);
}
@Test
public void givenASimpleOperation_shouldLogTheResult() {
int result = 45 / 3;
@ -70,4 +84,13 @@ public class FloggerIntegrationTest {
int s = 30;
return String.format("%d seconds elapsed so far. %d items pending processing", s, items);
}
private class User {
String name = "Test";
@Override
public String toString() {
return name;
}
}
}