diff options
Diffstat (limited to 'graphs/java/singleton')
5 files changed, 344 insertions, 0 deletions
diff --git a/graphs/java/singleton/.gitignore b/graphs/java/singleton/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/graphs/java/singleton/.gitignore @@ -0,0 +1,38 @@ +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store
\ No newline at end of file diff --git a/graphs/java/singleton/pom.xml b/graphs/java/singleton/pom.xml new file mode 100644 index 0000000..6bb46cb --- /dev/null +++ b/graphs/java/singleton/pom.xml @@ -0,0 +1,141 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project xmlns="http://maven.apache.org/POM/4.0.0" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> + <modelVersion>4.0.0</modelVersion> + <groupId>fr.epita.assistants</groupId> + <artifactId>singleton</artifactId> + <version>1.0</version> + + <properties> + <versions.java>21</versions.java> + <versions.junit>5.9.1</versions.junit> + <versions.maven-compiler-plugin>3.13.0</versions.maven-compiler-plugin> + <versions.maven-surefire-plugin>3.5.0</versions.maven-surefire-plugin> + <versions.maven-jar-plugin>3.1.1</versions.maven-jar-plugin> + <versions.maven-install-plugin>3.1.0</versions.maven-install-plugin> + <versions.slf4j>1.7.36</versions.slf4j> + <versions.archunit>1.2.0</versions.archunit> + + <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> + + <surefire.reportsDirectory>${project.build.directory}/surefire-reports</surefire.reportsDirectory> + </properties> + + <dependencies> + <dependency> + <groupId>org.junit.jupiter</groupId> + <artifactId>junit-jupiter</artifactId> + <version>${versions.junit}</version> + </dependency> + <dependency> + <groupId>com.tngtech.archunit</groupId> + <artifactId>archunit-junit5</artifactId> + <version>${versions.archunit}</version> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.apache.maven.surefire</groupId> + <artifactId>surefire-junit-platform</artifactId> + <version>${versions.maven-surefire-plugin}</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-compat</artifactId> + <version>3.9.8</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-plugin-api</artifactId> + <version>3.9.8</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-project</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-core</artifactId> + <version>3.8.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-monitor</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.codehaus.plexus</groupId> + <artifactId>plexus-utils</artifactId> + <version>3.0.24</version> + </dependency> + <dependency> + <groupId>org.apache.maven.shared</groupId> + <artifactId>maven-filtering</artifactId> + <version>3.3.2</version> + </dependency> + <dependency> + <groupId>org.codehaus.plexus</groupId> + <artifactId>plexus-interpolation</artifactId> + <version>1.13</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-profile</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-artifact-manager</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-plugin-registry</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-repository-metadata</artifactId> + <version>2.2.1</version> + </dependency> + <dependency> + <groupId>classworlds</groupId> + <artifactId>classworlds</artifactId> + <version>1.1</version> + </dependency> + <dependency> + <groupId>org.junit.platform</groupId> + <artifactId>junit-platform-commons</artifactId> + <version>1.9.3</version> + </dependency> + </dependencies> + + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-compiler-plugin</artifactId> + <version>${versions.maven-compiler-plugin}</version> + <configuration> + <source>${versions.java}</source> + <target>${versions.java}</target> + </configuration> + </plugin> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-install-plugin</artifactId> + <version>${versions.maven-install-plugin}</version> + </plugin> + + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-surefire-plugin</artifactId> + <version>${versions.maven-surefire-plugin}</version> + <configuration> + <reportsDirectory>${surefire.reportsDirectory}</reportsDirectory> + </configuration> + </plugin> + </plugins> + </build> +</project> diff --git a/graphs/java/singleton/src/main/java/fr/epita/assistants/logger/Logger.java b/graphs/java/singleton/src/main/java/fr/epita/assistants/logger/Logger.java new file mode 100644 index 0000000..4cc59f8 --- /dev/null +++ b/graphs/java/singleton/src/main/java/fr/epita/assistants/logger/Logger.java @@ -0,0 +1,62 @@ +package fr.epita.assistants.logger; + +/** + * A standard logger interface + */ +public interface Logger { + /** + * The Level enum, representing the gravity of a log message. + */ + enum Level { + INFO, + WARN, + ERROR + } + + /** + * Formats a message and returns it as a string + * @param level The gravity level of the logged message. + * @param message The logged message. + * @return + */ + static String getFormattedLog(final Level level, final String message) { + return '[' + + level.toString() + + "] " + + message; + } + + /** + * Outputs the logged message with the format '[LEVEL] Message' to stderr. + * + * @param level The gravity level of the logged message. + * @param message The logged message. + */ + void log(final Level level, final String message); + + /** + * Getter for infoCounter. + * + * @return infoCounter. + */ + int getInfoCounter(); + + /** + * Getter for warnCounter. + * + * @return warnCounter. + */ + int getWarnCounter(); + + /** + * Getter for errorCounter. + * + * @return errorCounter. + */ + int getErrorCounter(); + + /** + * Resets the counters. + */ + void reset(); +} diff --git a/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/SingletonEnumLogger.java b/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/SingletonEnumLogger.java new file mode 100644 index 0000000..4fb969e --- /dev/null +++ b/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/SingletonEnumLogger.java @@ -0,0 +1,49 @@ +package fr.epita.assistants.singleton; + +import fr.epita.assistants.logger.Logger; + +public enum SingletonEnumLogger implements Logger { + INSTANCE; + int infoCounter; + int errorCounter; + int warnCounter; + + @Override + public void log(Level level, String message) { + switch (level) + { + case INFO: + infoCounter++; + break; + case WARN: + warnCounter++; + break; + case ERROR: + errorCounter++; + break; + } + System.err.println(Logger.getFormattedLog(level, message)); + } + + @Override + public int getInfoCounter() { + return infoCounter; + } + + @Override + public int getWarnCounter() { + return warnCounter; + } + + @Override + public int getErrorCounter() { + return errorCounter; + } + + @Override + public void reset() { + infoCounter = 0; + warnCounter = 0; + errorCounter = 0; + } +} diff --git a/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/StaticSingletonLogger.java b/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/StaticSingletonLogger.java new file mode 100644 index 0000000..51d1801 --- /dev/null +++ b/graphs/java/singleton/src/main/java/fr/epita/assistants/singleton/StaticSingletonLogger.java @@ -0,0 +1,54 @@ +package fr.epita.assistants.singleton; + +import fr.epita.assistants.logger.Logger; + +public class StaticSingletonLogger implements Logger { + int infoCounter; + int errorCounter; + int warnCounter; + private StaticSingletonLogger() { + infoCounter = 0; + errorCounter = 0; + warnCounter = 0; + } + + private static class InstanceHolder { + private static final StaticSingletonLogger _INSTANCE = new StaticSingletonLogger(); + } + + public static StaticSingletonLogger getInstance() { + return InstanceHolder._INSTANCE; + } + @Override + public void log(Level level, String message) { + switch (level) + { + case INFO -> infoCounter++; + case WARN -> warnCounter++; + case ERROR -> errorCounter++; + } + System.err.println(Logger.getFormattedLog(level, message)); + } + + @Override + public int getInfoCounter() { + return infoCounter; + } + + @Override + public int getWarnCounter() { + return warnCounter; + } + + @Override + public int getErrorCounter() { + return errorCounter; + } + + @Override + public void reset() { + infoCounter = 0; + warnCounter = 0; + errorCounter = 0; + } +} |