feat: NotificationParams class

at_client/src/main/java/org/atsign/client/api/impl/notification/NotificationParams.java

@@ -0,0 +1,71 @@
+package org.atsign.client.api.impl.notification;
+
+import java.util.UUID;
+
+import org.atsign.common.AtSign;
+import org.atsign.common.KeyBuilders;
+import org.atsign.common.NotificationEnums;
+import org.atsign.common.Keys.AtKey;
+import org.atsign.common.Keys.SharedKey;
+import org.atsign.common.NotificationEnums.Operation;
+
+
+public class NotificationParams {
+
+    private String id;
+    private AtKey atKey;
+    private String value; // nullable (optional)
+    private NotificationEnums.Operation operation;
+    private NotificationEnums.MessageType messageType;
+    private NotificationEnums.Priority priority;
+    private NotificationEnums.Strategy strategy;
+    // private Integer latestN = 1;
+    // private String notifier = SYSTEM;
+
+    /**
+     * 
+     * @param atKey AtKey object which contains the sharedBy and sharedWith atSign.
+     * @param value nullable (optional)
+     * @return NotificationParams object
+     */
+    public static NotificationParams forUpdate(AtKey atKey, String value) {
+        NotificationParams params = new NotificationParams();
+        params.id = UUID.randomUUID().toString();
+        params.atKey = atKey;
+        params.value = value;
+        params.operation = Operation.UPDATE;
+        params.messageType = NotificationEnums.MessageType.KEY;
+        params.priority = NotificationEnums.Priority.LOW;
+        params.strategy = NotificationEnums.Strategy.ALL;
+        return params;
+    }
+
+    public static NotificationParams forDelete(AtKey atKey) {
+        NotificationParams params = new NotificationParams();
+        params.id = UUID.randomUUID().toString();
+        params.atKey = atKey;
+        params.operation = Operation.DELETE;
+        params.messageType = NotificationEnums.MessageType.KEY;
+        params.priority = NotificationEnums.Priority.LOW;
+        params.strategy = NotificationEnums.Strategy.ALL;
+        return params;
+    }
+
+    public static NotificationParams forText(String text, String whomToNotify, Boolean shouldEncrypt) {
+
+        SharedKey sharedKey = new KeyBuilders.SharedKeyBuilder(
+            new AtSign(""), new AtSign(whomToNotify)).build();
+        sharedKey.metadata.isEncrypted = shouldEncrypt;
+
+
+        NotificationParams params = new NotificationParams();
+        params.id = UUID.randomUUID().toString();
+        params.atKey = sharedKey;
+        params.operation = Operation.UPDATE;
+        params.messageType = NotificationEnums.MessageType.TEXT;
+        params.priority = NotificationEnums.Priority.LOW;
+        params.strategy = NotificationEnums.Strategy.ALL;
+        return params;
+    }
+
+}