[CORD-1780] XosConfirm implementation

Change-Id: I053c6ece6a5bd41014bdbb45d8fbf15f99a5b7ca
diff --git a/src/app/core/confirm/confirm.service.ts b/src/app/core/confirm/confirm.service.ts
new file mode 100644
index 0000000..a8e802e
--- /dev/null
+++ b/src/app/core/confirm/confirm.service.ts
@@ -0,0 +1,65 @@
+
+/*
+ * Copyright 2017-present Open Networking Foundation
+
+ * 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.
+ */
+
+import {IXosConfirmConfig} from './confirm';
+
+export interface IXosConfirm {
+  open(config: IXosConfirmConfig) : void;
+  close(cb: Function) : void;
+  dismiss() : void;
+}
+
+export class XosConfirm implements IXosConfirm {
+
+  static $inject = ['$uibModal'];
+  public modalInstance;
+
+  constructor(
+    private $uibModal : any,
+  ) {
+
+  }
+
+  public open(config: IXosConfirmConfig) {
+
+    this.modalInstance = this.$uibModal.open({
+      keyboard: false,
+      component: 'xosConfirm',
+      backdrop: 'static',
+      resolve: {
+        config: () => config
+      }
+    });
+    return this.modalInstance;
+  }
+
+  public close(cb: Function) {
+    cb()
+      .then(() => {
+        this.modalInstance.close();
+      })
+      .catch((err) => {
+        this.modalInstance.dismiss(err);
+    });
+  }
+
+  public dismiss() {
+      this.modalInstance.dismiss();
+  }
+
+}
+