Merged submission module code

src/app/core/json-patch/builder/json-patch-operation-path-combiner.ts

@@ -0,0 +1,45 @@
+/**
+ * Combines a variable number of strings representing parts
+ * of a relative REST URL in to a single, absolute REST URL
+ *
+ */
+import { isNotUndefined } from '../../../shared/empty.util';
+
+export interface JsonPatchOperationPathObject {
+  rootElement: string;
+  subRootElement: string;
+  path: string;
+}
+
+export class JsonPatchOperationPathCombiner  {
+  private _rootElement: string;
+  private _subRootElement: string;
+
+  constructor(rootElement, ...subRootElements: string[]) {
+    this._rootElement = rootElement;
+    this._subRootElement = subRootElements.join('/');
+  }
+
+  get rootElement(): string {
+    return this._rootElement;
+  }
+
+  get subRootElement(): string {
+    return this._subRootElement;
+  }
+
+  public getPath(fragment?: string|string[]): JsonPatchOperationPathObject {
+    if (isNotUndefined(fragment) && Array.isArray(fragment)) {
+      fragment = fragment.join('/');
+    }
+
+    let path;
+    if (isNotUndefined(fragment)) {
+      path = '/' + this._rootElement + '/' + this._subRootElement + '/' + fragment;
+    } else {
+      path = '/' + this._rootElement + '/' + this._subRootElement;
+    }
+
+    return {rootElement: this._rootElement, subRootElement: this._subRootElement, path: path};
+  }
+}