--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/query.service.ts	Mon Jan 11 19:25:53 2016 +0100
@@ -0,0 +1,55 @@
+import {Injectable} from 'angular2/core';
+import {Http, Headers} from 'angular2/http';
+
+import 'rxjs/Rx'; // import all RxJS operators
+
+import {QueryMode} from './query-mode';
+
+@Injectable()
+export class QueryService {
+        
+    public QUERY_MODES: QueryMode[] = [
+        {id: 'type_is', label:'Object type is'},
+        {id: 'att_contains', label: 'Attribute contains'}];
+        
+    constructor(private _http: Http) {}
+    
+    getQueryModes(): QueryMode[] {
+        return this.QUERY_MODES;
+    }
+    
+    getQueryOptions(queryMode: string) {
+        var options = ['a1', 'b1', 'c1'];
+        if (queryMode == 'Attribute contains') {
+            options = ['d', 'e', 'f'];
+        }
+        return Promise.resolve(options);
+    }
+    
+    getIsmiObjectTypes() {
+        var headers = new Headers();
+        headers.append('Authorization', 'Basic ' + btoa('neo4j'+':'+'neo5j'));
+        headers.append('Content-Type', 'application/json');
+        headers.append('Accept', 'application/json');
+        var data = {
+                'query': `MATCH (n)
+WITH DISTINCT labels(n) AS labels
+UNWIND labels AS label
+RETURN DISTINCT label
+ORDER BY label`,
+                'params': {}
+            };
+        
+        console.debug("http:", this._http, " headers:", headers, " data:", data);
+        
+        var post = this._http.post('http://localhost:7474/db/data/cypher/', JSON.stringify(data), {'headers': headers});
+        console.debug("post:", post);
+        var map = post.map(res => res.json());
+        console.debug("map:", map);
+        map.subscribe(
+      data => console.debug("neo4j data=", data),
+      err => console.error("neo4j error=", err),
+      () => console.debug('neo4j query Complete')
+    );
+    }
+}
\ No newline at end of file