feat(slf4j): initial commit

This commit is contained in:
dancingCycle 2021-11-30 10:24:44 -05:00
parent 13175399f6
commit fc1056796f
6 changed files with 205 additions and 0 deletions

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slf4j/.gitignore vendored Normal file
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# Files
.classpath
.externalToolBuilders
.gradle
.project
.pydevproject
.settings
.sonar
*~
*.ipr
*.iml
*.iws
*.swp
*.DS_Store
*.snap.debug
dependency-reduced-pom.xml
# Directories
.idea/
.run/
.venv/
_site/
build/
dist/
docs/_build/
gen-java/
gen-javabean/
gen-py/
node_modules/
target/

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slf4j/README.md Normal file
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# Overview
This project shows an example how to use Simple Logging Facade for Java (slf4j).
# Links

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slf4j/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<name>slf4j</name>
<description>description</description>
<url>https://swingbe.de</url>
<groupId>org.swingbe.de</groupId>
<artifactId>slf4j</artifactId>
<version>0.0.1</version>
<packaging>jar</packaging>
<licenses>
<license>
<name>GNU General Public License</name>
<url>https://www.gnu.org/licenses/gpl-3.0.txt</url>
</license>
</licenses>
<scm>
<url>https://github.com/Software-Ingenieur-Begerad/sandbox-java</url>
</scm>
<properties>
<!-- Other properties -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<!-- Target Java versions -->
<release>11</release>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<filters>
<filter>
<!-- exclude signatures from merged JAR to avoid invalid signature messages -->
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
<!-- The shaded JAR will not be the main artifact for the project, it will be attached
for deployment in the way source and docs are. -->
<shadedArtifactAttached>true
</shadedArtifactAttached>
<shadedClassifierName>shaded</shadedClassifierName>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>de.swingbe.slf4j.Main
</Main-Class>
</manifestEntries>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.9.0</version>
</dependency>
</dependencies>
</project>

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package de.swingbe.slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Bar {
public final static Logger LOG = LoggerFactory.getLogger(Bar.class);
public boolean doIt() {
LOG.error("Did it again!");
return false;
}
}

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package de.swingbe.slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Main {
public final static Logger LOG = LoggerFactory.getLogger(Main.class);
public static void main(String[] args) {
System.out.println("Hello world!");
LOG.debug("Debug Message Logged !!!");
LOG.info("Info Message Logged !!!");
LOG.error("Error Message Logged !!!",
new NullPointerException("NullError"));
String variable = "Hello John";
LOG.debug("Printing variable value: {}", variable);
LOG.trace("Entering application.");
Bar bar = new Bar();
if (!bar.doIt()) {
LOG.error("Didn't do it.");
}
LOG.trace("Exiting application.");
return;
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<RollingFile name="rollingFile"
fileName="sizeRolling.log"
filePattern="sizeRolling-%d{yyyy-MM-dd}.log"
ignoreExceptions="false"
>
<PatternLayout>
<Pattern>[%-5p] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} %m%n</Pattern>
</PatternLayout>
<Policies>
<SizeBasedTriggeringPolicy size="21MB"/>
</Policies>
<DefaultRolloverStrategy max="5"/>
</RollingFile>
<Console name="console" target="SYSTEM_OUT">
<PatternLayout
pattern="[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} %c{1} - %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Logger name="de.swingbe" level="all" additivity="true">
<appender-ref ref="rollingFile" level="debug"/>
</Logger>
<Root level="debug" additivity="false">
<appender-ref ref="console"/>
</Root>
</Loggers>
</Configuration>