incubator-kie-issues#1614: Fix UserTasks Codegen issue in windows

kogito-codegen-modules/kogito-codegen-processes/src/main/java/org/kie/kogito/codegen/usertask/UserTaskCodegen.java

@@ -18,7 +18,6 @@
  */
 package org.kie.kogito.codegen.usertask;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.Reader;
 import java.nio.file.Path;
@@ -167,17 +166,17 @@ public GeneratedFile generateRestEndpiont() {
             compilationUnit.findAll(MethodDeclaration.class).stream().filter(MethodDeclaration::isPublic).forEach(context().getDependencyInjectionAnnotator()::withTransactional);
         }
         String className = compilationUnit.findFirst(ClassOrInterfaceDeclaration.class).get().getNameAsString();
-        String urlBase = packageName.replaceAll("\\.", File.separator);
-        return new GeneratedFile(GeneratedFileType.REST, Path.of(urlBase).resolve(className + ".java"), compilationUnit.toString());
+        Path basePath = UserTaskCodegenHelper.path(packageName);
+        return new GeneratedFile(GeneratedFileType.REST, basePath.resolve(className + ".java"), compilationUnit.toString());
     }
 
     public GeneratedFile generateProducer() {
         String packageName = context().getPackageName();
         CompilationUnit compilationUnit = producerTemplateGenerator.compilationUnitOrThrow("No producer template found for user tasks");
         compilationUnit.setPackageDeclaration(packageName);
         String className = compilationUnit.findFirst(ClassOrInterfaceDeclaration.class).get().getNameAsString();
-        String urlBase = packageName.replaceAll("\\.", File.separator);
-        return new GeneratedFile(GeneratedFileType.SOURCE, Path.of(urlBase).resolve(className + ".java"), compilationUnit.toString());
+        Path basePath = UserTaskCodegenHelper.path(packageName);
+        return new GeneratedFile(GeneratedFileType.SOURCE, basePath.resolve(className + ".java"), compilationUnit.toString());
     }
 
     public List<GeneratedFile> generateUserTask() {

kogito-codegen-modules/kogito-codegen-processes/src/main/java/org/kie/kogito/codegen/usertask/UserTaskCodegenHelper.java

@@ -19,8 +19,8 @@
 
 package org.kie.kogito.codegen.usertask;
 
-import java.io.File;
 import java.nio.file.Path;
+import java.util.Arrays;
 
 import org.jbpm.process.core.Work;
 import org.kie.kogito.internal.utils.ConversionUtils;
@@ -44,7 +44,17 @@ public static String packageName(Work descriptor) {
     }
 
     public static Path path(Work descriptor) {
-        return Path.of(((String) descriptor.getParameter("PackageName")).replaceAll("\\.", File.separator));
+        return path(packageName(descriptor));
+    }
+
+    public static Path path(String packageName) {
+        String[] pathFragments = packageName.split("\\.");
+
+        if (pathFragments.length == 1) {
+            return Path.of(pathFragments[0]);
+        }
+        String[] children = Arrays.copyOfRange(pathFragments, 1, pathFragments.length);
+        return Path.of(pathFragments[0], children);
     }
 
     public static String fqnClassName(Work descriptor) {

kogito-codegen-modules/kogito-codegen-processes/src/main/java/org/kie/kogito/codegen/usertask/UserTaskConfigGenerator.java

@@ -18,7 +18,6 @@
  */
 package org.kie.kogito.codegen.usertask;
 
-import java.io.File;
 import java.nio.file.Path;
 import java.util.List;
 
@@ -58,8 +57,9 @@ public GeneratedFile generate() {
 
         ConstructorDeclaration declaration = clazzDeclaration.findFirst(ConstructorDeclaration.class).get();
         declaration.setName(configClassName());
+        Path basePath = UserTaskCodegenHelper.path(packageName);
 
-        return new GeneratedFile(GeneratedFileType.SOURCE, Path.of(packageName.replaceAll("\\.", File.separator), configClassName() + ".java"), unit.toString());
+        return new GeneratedFile(GeneratedFileType.SOURCE, basePath.resolve(configClassName() + ".java"), unit.toString());
     }
 
 }

kogito-codegen-modules/kogito-codegen-processes/src/test/java/org/kie/kogito/codegen/usertask/UserTaskCodegenHelperTest.java

@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ *
+ *   http://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 org.kie.kogito.codegen.usertask;
+
+import org.assertj.core.api.Assertions;
+import org.jbpm.process.core.Work;
+import org.jbpm.process.core.impl.WorkImpl;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class UserTaskCodegenHelperTest {
+    static final String PROCESS_ID = "approvals";
+    static final String TASK_ID = "taskId";
+    static final String PACKAGE = "org.kie.kogito.usertask";
+    static final String PACKAGE_PATH = "org/kie/kogito/usertask";
+
+    private Work work;
+
+    @BeforeEach
+    void setUp() {
+        work = new WorkImpl();
+        work.setParameter("ProcessId", PROCESS_ID);
+        work.setParameter(Work.PARAMETER_UNIQUE_TASK_ID, TASK_ID);
+        work.setParameter("PackageName", PACKAGE);
+    }
+
+    @Test
+    void testGetWorkProcessId() {
+        Assertions.assertThat(UserTaskCodegenHelper.processId(work)).isEqualTo("Approvals");
+    }
+
+    @Test
+    void testGetWorkClassName() {
+        Assertions.assertThat(UserTaskCodegenHelper.className(work)).isEqualTo("Approvals_TaskId");
+    }
+
+    @Test
+    void testGetWorkPackagePath() {
+        Assertions.assertThat(UserTaskCodegenHelper.path(work))
+                .isNotNull()
+                .asString()
+                .isEqualTo(PACKAGE_PATH);
+
+    }
+
+    @Test
+    void testGetPath() {
+        Assertions.assertThat(UserTaskCodegenHelper.path(PACKAGE))
+                .isNotNull()
+                .asString()
+                .isEqualTo(PACKAGE_PATH);
+
+        Assertions.assertThat(UserTaskCodegenHelper.path("test"))
+                .isNotNull()
+                .asString()
+                .isEqualTo("test");
+    }
+}