BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

custom-pmd/src/main/java/org/baeldung/pmd/UnitTestNamingConventionRule.java

@@ -0,0 +1,36 @@
+package org.baeldung.pmd;
+
+import net.sourceforge.pmd.lang.java.ast.ASTClassOrInterfaceDeclaration;
+import net.sourceforge.pmd.lang.java.rule.AbstractJavaRule;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
+public class UnitTestNamingConventionRule extends AbstractJavaRule {
+
+    private static List<String> allowedEndings = Arrays.asList(
+      "IntegrationTest",
+      "IntTest",
+      "ManualTest",
+      "JdbcTest",
+      "LiveTest",
+      "UnitTest",
+      "jmhTest");
+
+    public Object visit(ASTClassOrInterfaceDeclaration node, Object data) {
+        String className = node.getImage();
+        Objects.requireNonNull(className);
+
+        if (className.endsWith("SpringContextTest")) {
+            return data;
+        }
+        
+        if (className.endsWith("Tests")
+                || (className.endsWith("Test") && allowedEndings.stream().noneMatch(className::endsWith))) {
+            addViolation(data, node);
+        }
+
+        return data;
+    }
+}

custom-pmd/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>