[Notification Template API] API Implementation

components/org.wso2.carbon.identity.api.server.notification.template/org.wso2.carbon.identity.api.server.notification.template.common/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2024, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+  ~
+  ~ 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
+  ~
+  ~ 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.
+  -->
+
+<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">
+
+    <parent>
+        <groupId>org.wso2.carbon.identity.server.api</groupId>
+        <artifactId>org.wso2.carbon.identity.api.server.notification.template</artifactId>
+        <version>1.2.236-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>org.wso2.carbon.identity.api.server.notification.template.common</artifactId>
+    <packaging>jar</packaging>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax.ws.rs</groupId>
+            <artifactId>javax.ws.rs-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.identity.event.handler.notification</groupId>
+            <artifactId>org.wso2.carbon.email.mgt</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+</project>

components/org.wso2.carbon.identity.api.server.notification.template/org.wso2.carbon.identity.api.server.notification.template.common/src/main/java/org/wso2/carbon/identity/api/server/notification/template/common/Constants.java

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+/*
+ * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.org) All Rights Reserved.
+ *
+ * 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.identity.api.server.notification.template.common;
+
+import java.util.HashMap;
+import java.util.Map;
+import javax.ws.rs.core.Response.Status;
+
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.ERROR_ADDING_TEMPLATE;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.ERROR_RESOLVING_MAIN_APPLICATION;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes
+        .ERROR_SYSTEM_RESOURCE_DELETION_NOT_ALLOWED;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.TEMPLATE_ALREADY_EXISTS;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.TEMPLATE_NOT_FOUND;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.TEMPLATE_TYPE_ALREADY_EXISTS;
+import static org.wso2.carbon.email.mgt.constants.TemplateMgtConstants.ErrorCodes.TEMPLATE_TYPE_NOT_FOUND;
+
+/**
+ * Constants related to notification templates.
+ */
+public class Constants {
+
+    public static final String NOTIFICATION_TEMPLATES_ERROR_CODE_PREFIX = "NTM-";
+    public static final String NOTIFICATION_TEMPLATES_API_BASE_PATH_EMAIL = "/email";
+    public static final String NOTIFICATION_TEMPLATES_API_BASE_PATH_SMS = "/sms";
+    public static final String NOTIFICATION_TEMPLATES_API_PATH = "/notification";
+    public static final String TEMPLATE_TYPES_PATH = "/template-types";
+    public static final String APP_TEMPLATES_PATH =  "/app-templates";
+    public static final String ORG_TEMPLATES_PATH = "/org-templates";
+    public static final String SYSTEM_TEMPLATES_PATH = "/system-templates";
+    public static final String PATH_SEPARATOR = "/";
+    public static final String NOTIFICATION_CHANNEL_EMAIL = "EMAIL";
+    public static final String NOTIFICATION_CHANNEL_SMS = "SMS";
+    public static final String NOTIFICATION_TEMPLATE_OWNER_APP = "APP";
+    public static final String NOTIFICATION_TEMPLATE_OWNER_ORG = "ORG";
+    public static final String NOTIFICATION_TEMPLATE_OWNER_SYSTEM = "SYSTEM";
+
+    // ERROR MESSAGES
+    private static final Map<String, ErrorMessage> NTM_ERROR_CODE_MAP = new HashMap<>();
+
+    /**
+     * Enum for error messages.
+     */
+    public enum ErrorMessage {
+
+        ERROR_TEMPLATE_TYPE_ALREADY_EXISTS("65001", Status.CONFLICT,
+                "Template Type already exists in the system.",
+                "A template type for the provided template display name already exists " +
+                        "in the system."),
+        ERROR_TEMPLATE_TYPE_NOT_FOUND("65002", Status.NOT_FOUND,
+                "Template Type does not exist.",
+                "Specified template type does not exist in the system."),
+        ERROR_TEMPLATE_ALREADY_EXISTS("65003", Status.CONFLICT,
+                "Template already exists in the system.",
+                "A template for the provided template id already exists in the system."),
+        ERROR_TEMPLATE_NOT_FOUND("65004", Status.NOT_FOUND,
+                "Template does not exist.",
+                "Specified template does not exist in the system."),
+        ERROR_ERROR_RETRIEVING_TEMPLATE_TYPES("60002", Status.INTERNAL_SERVER_ERROR,
+                "Unable to retrieve template types.",
+                "Server encountered an error while retrieving template types."),
+        ERROR_ERROR_RETRIEVING_TEMPLATE_TYPE("60003", Status.INTERNAL_SERVER_ERROR,
+                "Unable to retrieve the template type.",
+                "Server encountered an error while retrieving the template " +
+                        "type identified by the given template-type-id."),
+        ERROR_ERROR_ADDING_TEMPLATE_TYPE("60004", Status.INTERNAL_SERVER_ERROR,
+                "Unable to add the template type.",
+                "Server encountered an error while adding template type."),
+        ERROR_ERROR_DELETING_TEMPLATE_TYPE("60005", Status.INTERNAL_SERVER_ERROR,
+                "Unable to delete the template type.",
+                "Server encountered an error while deleting the template type."),
+        ERROR_ERROR_ADDING_TEMPLATE("60006", Status.INTERNAL_SERVER_ERROR,
+                "Unable to add the template.",
+                "Server encountered an error while adding the template to the system."),
+        ERROR_ERROR_UPDATING_TEMPLATE("60007", Status.INTERNAL_SERVER_ERROR,
+                "Unable to update the template.",
+                "Server encountered an error while updating the template."),
+        ERROR_ERROR_RETRIEVING_TEMPLATE("60008", Status.INTERNAL_SERVER_ERROR,
+                "Unable to retrieve the template.",
+                "Server encountered an error while retrieving the template " +
+                        "identified by the given template-type-id and the template-id."),
+        ERROR_ERROR_DELETING_EMAIL_TEMPLATE("60009", Status.INTERNAL_SERVER_ERROR,
+                "Unable to delete the email template.",
+                "Server encountered an error while deleting the email template."),
+        ERROR_ERROR_DELETING_SMS_TEMPLATE("60010", Status.INTERNAL_SERVER_ERROR,
+                "Unable to delete the SMS template.",
+                "Server encountered an error while deleting the SMS template."),
+        ERROR_ERROR_RETRIEVING_TEMPLATES("60012", Status.INTERNAL_SERVER_ERROR,
+                "Unable to retrieve templates.",
+                "Server encountered an error while retrieving templates."),
+        ERROR_ERROR_RESETTING_TEMPLATE_TYPE("60013", Status.INTERNAL_SERVER_ERROR,
+                "Unable to reset the template type.",
+                "Server encountered an error while deleting the templates of the template type."),
+        ERROR_ERROR_RESOLVING_MAIN_APPLICATION("60014", Status.INTERNAL_SERVER_ERROR,
+                "Unable to resolve the main application.",
+                "Server encountered an error while resolving the main application."),
+        ERROR_ERROR_INVALID_NOTIFICATION_CHANNEL("60015", Status.BAD_REQUEST,
+                "Invalid notification channel.",
+                "Notification channel can only be either 'EMAIL' or 'SMS'."),
+        ERROR_ERROR_SYSTEM_RESOURCE_DELETION_NOT_ALLOWED("60016", Status.FORBIDDEN,
+                "System resource deletion not allowed.",
+                "System resources cannot be deleted.");
+
+        private final String message;
+        private final Status httpStatus;
+        private final String code;
+        private final String description;
+
+        ErrorMessage(String code, Status httpStatus, String message, String description) {
+
+            this.code = code;
+            this.httpStatus = httpStatus;
+            this.message = message;
+            this.description = description;
+        }
+
+        public String getCode() {
+
+            return NOTIFICATION_TEMPLATES_ERROR_CODE_PREFIX + code;
+        }
+
+        public String getMessage() {
+
+            return message;
+        }
+
+        public String getDescription() {
+
+            return description;
+        }
+
+        public Status getHttpStatus() {
+
+            return httpStatus;
+        }
+
+        @Override
+        public String toString() {
+
+            return code + " | " + message;
+        }
+    }
+
+    static {
+        NTM_ERROR_CODE_MAP.put(TEMPLATE_TYPE_ALREADY_EXISTS, ErrorMessage.ERROR_TEMPLATE_TYPE_ALREADY_EXISTS);
+        NTM_ERROR_CODE_MAP.put(TEMPLATE_TYPE_NOT_FOUND, ErrorMessage.ERROR_TEMPLATE_TYPE_NOT_FOUND);
+        NTM_ERROR_CODE_MAP.put(TEMPLATE_ALREADY_EXISTS, ErrorMessage.ERROR_TEMPLATE_ALREADY_EXISTS);
+        NTM_ERROR_CODE_MAP.put(TEMPLATE_NOT_FOUND, ErrorMessage.ERROR_TEMPLATE_NOT_FOUND);
+        NTM_ERROR_CODE_MAP.put(ERROR_ADDING_TEMPLATE, ErrorMessage.ERROR_ERROR_ADDING_TEMPLATE);
+        NTM_ERROR_CODE_MAP.put(ERROR_RESOLVING_MAIN_APPLICATION, ErrorMessage.ERROR_ERROR_RESOLVING_MAIN_APPLICATION);
+        NTM_ERROR_CODE_MAP.put(ERROR_SYSTEM_RESOURCE_DELETION_NOT_ALLOWED,
+                ErrorMessage.ERROR_ERROR_SYSTEM_RESOURCE_DELETION_NOT_ALLOWED);
+    }
+
+    public static ErrorMessage getNTMMappedErrorMessage(String errorCode) {
+
+        return NTM_ERROR_CODE_MAP.get(errorCode);
+    }
+}

components/org.wso2.carbon.identity.api.server.notification.template/org.wso2.carbon.identity.api.server.notification.template.common/src/main/java/org/wso2/carbon/identity/api/server/notification/template/common/TemplatesServiceHolder.java

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+package org.wso2.carbon.identity.api.server.notification.template.common;
+
+
+import org.wso2.carbon.identity.governance.service.notification.NotificationTemplateManager;
+
+/**
+ * This class is used to hold the TemplateManager service.
+ */
+public class TemplatesServiceHolder {
+
+    private static NotificationTemplateManager notificationTemplateManager;
+
+    /**
+     * Get TemplateManager osgi service.
+     * @return TemplateManager
+     */
+    public static NotificationTemplateManager getNotificationTemplateManager() {
+        return notificationTemplateManager;
+    }
+
+    /**
+     * Set TemplateManager osgi service.
+     * @param notificationTemplateManager TemplateManager
+     */
+    public static void setNotificationTemplateManager(NotificationTemplateManager notificationTemplateManager) {
+        TemplatesServiceHolder.notificationTemplateManager = notificationTemplateManager;
+    }
+}

components/org.wso2.carbon.identity.api.server.notification.template/org.wso2.carbon.identity.api.server.notification.template.common/src/main/java/org/wso2/carbon/identity/api/server/notification/template/common/factory/OSGIServiceFactory.java

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+/*
+ * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.org) All Rights Reserved.
+ *
+ * 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.identity.api.server.notification.template.common.factory;
+
+import org.springframework.beans.factory.config.AbstractFactoryBean;
+import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.identity.governance.service.notification.NotificationTemplateManager;
+
+import java.util.Hashtable;
+
+/**
+ * Factory Beans serves as a factory for creating other beans within the IOC container. This factory bean is used to
+ * instantiate the NotificationTemplateManager type of object inside the container.
+ */
+public class OSGIServiceFactory extends AbstractFactoryBean<NotificationTemplateManager> {
+
+    private NotificationTemplateManager notificationTemplateManager;
+
+    @Override
+    public Class<?> getObjectType() {
+        return Object.class;
+    }
+
+    @Override
+    protected NotificationTemplateManager createInstance() throws Exception {
+
+        if (this.notificationTemplateManager == null) {
+            Hashtable<String, String> serviceProperties = new Hashtable<>();
+            serviceProperties.put("service.name", "NotificationTemplateManager");
+            NotificationTemplateManager taskOperationService = (NotificationTemplateManager) PrivilegedCarbonContext.
+                    getThreadLocalCarbonContext().getOSGiService(NotificationTemplateManager.class, serviceProperties);
+            if (taskOperationService != null) {
+                this.notificationTemplateManager = taskOperationService;
+            } else {
+                throw new Exception("Unable to retrieve NotificationTemplateManager service.");
+            }
+        }
+        return this.notificationTemplateManager;
+    }
+}