remove workflow related components

components/user-mgt/org.wso2.carbon.user.mgt.ui/pom.xml

@@ -56,10 +56,6 @@
             <groupId>org.wso2.carbon.identity.framework</groupId>
             <artifactId>org.wso2.carbon.identity.user.store.count.stub</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.wso2.carbon.identity.framework</groupId>
-            <artifactId>org.wso2.carbon.user.mgt.workflow.stub</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
@@ -92,6 +88,10 @@
             <groupId>org.wso2.carbon.identity.framework</groupId>
             <artifactId>org.wso2.carbon.identity.claim.metadata.mgt</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.framework</groupId>
+            <artifactId>org.wso2.carbon.user.mgt</artifactId>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

components/user-mgt/org.wso2.carbon.user.mgt.ui/src/main/java/org/wso2/carbon/user/mgt/ui/UserManagementWorkflowServiceClient.java

@@ -20,19 +20,21 @@
 
 
 import org.apache.axis2.AxisFault;
-import org.apache.axis2.client.Options;
-import org.apache.axis2.client.ServiceClient;
 import org.apache.axis2.context.ConfigurationContext;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.wso2.carbon.user.mgt.workflow.stub.UserManagementWorkflowServiceStub;
-import org.wso2.carbon.user.mgt.workflow.stub.UserManagementWorkflowServiceWorkflowExceptionException;
+import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.user.mgt.UserManagementWorkflowStub;
 
 import java.rmi.RemoteException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
 
 public class UserManagementWorkflowServiceClient {
 
-    private UserManagementWorkflowServiceStub stub;
+    private UserManagementWorkflowStub service;
     private static final Log log = LogFactory.getLog(UserManagementWorkflowServiceClient.class);
 
     /**
@@ -44,13 +46,15 @@ public class UserManagementWorkflowServiceClient {
     public UserManagementWorkflowServiceClient(String cookie, String backendServerURL,
                                                ConfigurationContext configCtx) throws AxisFault {
 
-        String serviceURL = backendServerURL + "UserManagementWorkflowService";
-        stub = new UserManagementWorkflowServiceStub(configCtx, serviceURL);
-
-        ServiceClient client = stub._getServiceClient();
-        Options option = client.getOptions();
-        option.setManageSession(true);
-        option.setProperty(org.apache.axis2.transport.http.HTTPConstants.COOKIE_STRING, cookie);
+        try{
+            service = (UserManagementWorkflowStub) PrivilegedCarbonContext.getThreadLocalCarbonContext().getOSGiService
+                    (UserManagementWorkflowStub.class, null);
+            if (service != null) {
+                service.initiateUserManagementWorkflowServiceClient(cookie, backendServerURL, configCtx);
+            }
+        } catch (NullPointerException e) {
+            log.debug("UserManagementWorkflowServiceClient is not available. Hence, not initializing the service client.");
+        }
     }
 
     /**
@@ -59,17 +63,12 @@ public UserManagementWorkflowServiceClient(String cookie, String backendServerUR
      * @param entityType      Entity Type of the Work-flow.
      * @param entityIdFilter        Entity ID filter to search
      * @return
-     * @throws java.rmi.RemoteException
-     * @throws org.wso2.carbon.user.mgt.workflow.stub.UserManagementWorkflowServiceWorkflowExceptionException
      */
+    public String[] listAllEntityNames(String wfOperationType, String wfStatus, String entityType,
+                                       String entityIdFilter) throws RemoteException {
 
-    public String[] listAllEntityNames(String wfOperationType, String wfStatus, String entityType, String
-            entityIdFilter) throws RemoteException, UserManagementWorkflowServiceWorkflowExceptionException {
-
-        String[] entityNames = stub.listAllEntityNames(wfOperationType, wfStatus, entityType, entityIdFilter);
-        if (entityNames == null) {
-            entityNames = new String[0];
-        }
-        return entityNames;
+        String[] entityNames = (service != null) ? service.listAllEntityNames(wfOperationType, wfStatus, entityType, entityIdFilter)
+                : new String[0];
+        return (entityNames != null) ? entityNames : new String[0];
     }
 }

components/user-mgt/org.wso2.carbon.user.mgt/src/main/java/org/wso2/carbon/user/mgt/UserManagementWorkflowStub.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023, WSO2 LLC. (http://www.wso2.com).
+ *
+ * WSO2 LLC. 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.wso2.carbon.user.mgt;
+
+import org.apache.axis2.AxisFault;
+import org.apache.axis2.context.ConfigurationContext;
+
+import java.rmi.RemoteException;
+
+/**
+ * This interface is used to check Workflow related services.
+ */
+public interface UserManagementWorkflowStub {
+
+    public void initiateUserManagementWorkflowServiceClient(String Cookie, String backendServerURL,
+                                                            ConfigurationContext configCtx) throws AxisFault;
+
+    public String[] listAllEntityNames(String wfOperationType,
+                                       String wfStatus, String entityType, String entityIdFilter) throws RemoteException;
+}