Added example for log4j2 api

Author: Hakky54

README.MD

@@ -12,7 +12,8 @@ A repository containing different java tutorials
 ## Testing 🎯
 - [Unit Testing Static Methods with Mockito](mock-statics-with-mockito)
 - [Unit Testing Java Util Logging logs with LogCaptor](log-captor-examples/log-captor-with-java-util-logging)
-- [Unit Testing Log4J logs with LogCaptor](log-captor-examples/log-captor-with-log4j-core)
+- [Unit Testing Log4J API logs with LogCaptor](log-captor-examples/log-captor-with-log4j-api)
+- [Unit Testing Log4J Core logs with LogCaptor](log-captor-examples/log-captor-with-log4j-core)
 - [Unit Testing SLF4J Logback logs with LogCaptor](log-captor-examples/log-captor-with-slf4j-logback-classic)
 - [Unit Testing SLF4J Log4j logs with LogCaptor](log-captor-examples/log-captor-with-slf4j-log4j)
 - [Unit Testing Flogger logs with LogCaptor](log-captor-examples/log-captor-with-flogger)

log-captor-examples/log-captor-with-log4j-api/pom.xml

@@ -0,0 +1,25 @@
+<?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>
+
+    <parent>
+        <artifactId>log-captor-examples-parent</artifactId>
+        <groupId>io.github.hakky54</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>log-captor-with-log4j-api</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${version.log4j}</version>
+        </dependency>
+    </dependencies>
+
+</project>

log-captor-examples/log-captor-with-log4j-api/src/main/java/nl/altindag/log4j/FooService.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2022 Thunderberry.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nl.altindag.log4j;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class FooService {
+
+    private static final Logger LOGGER = LogManager.getLogger(FooService.class);
+
+    public void hello() {
+        LOGGER.info("Hello there friend!");
+    }
+
+}

log-captor-examples/log-captor-with-log4j-api/src/test/java/nl/altindag/log4j/FooServiceShould.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2022 Thunderberry.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nl.altindag.log4j;
+
+import nl.altindag.log.LogCaptor;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class FooServiceShould {
+
+    @Test
+    void sayHello() {
+        LogCaptor logCaptor = LogCaptor.forClass(FooService.class);
+
+        FooService fooService = new FooService();
+        fooService.hello();
+
+        assertThat(logCaptor.getLogs())
+                .hasSize(1)
+                .contains("Hello there friend!");
+    }
+
+}

log-captor-examples/log-captor-with-log4j-core/pom.xml

@@ -18,7 +18,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>${version.log4j-core}</version>
+            <version>${version.log4j}</version>
         </dependency>
     </dependencies>
 

log-captor-examples/pom.xml

@@ -6,6 +6,7 @@
     <modules>
         <module>log-captor-with-java-util-logging</module>
         <module>log-captor-with-log4j-core</module>
+        <module>log-captor-with-log4j-api</module>
         <module>log-captor-with-slf4j-logback-classic</module>
         <module>log-captor-with-slf4j-log4j</module>
         <module>log-captor-with-spring-boot-starter-log4j2</module>

pom.xml

@@ -68,7 +68,7 @@
         <version.aspectweaver>1.9.22.1</version.aspectweaver>
         <version.jackson>2.17.2</version.jackson>
         <version.slf4j>2.0.13</version.slf4j>
-        <version.log4j-core>2.23.1</version.log4j-core>
+        <version.log4j>2.23.1</version.log4j>
         <version.log4j-slf4j>2.19.0</version.log4j-slf4j>
         <version.log4j-log4j-slf4j18>2.18.0</version.log4j-log4j-slf4j18>
         <version.logback-classic>1.3.5</version.logback-classic>