[BP-841] Add error message to error component

Signed-off-by: Christopher Keim <keim@develop-group.de>
diff --git a/src/app/shared/components/error/error.component.spec.ts b/src/app/shared/components/error/error.component.spec.ts
index f34794b..76d0ee0 100644
--- a/src/app/shared/components/error/error.component.spec.ts
+++ b/src/app/shared/components/error/error.component.spec.ts
@@ -1,16 +1,20 @@
 /********************************************************************************
- * Copyright © 2018 Mettenmeier GmbH.
+ * Copyright © 2018 Mettenmeier GmbH and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
  *
  * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Mettenmeier GmbH - initial implementation
+ *   Basys GmbH - automatic report generation implementation
  ********************************************************************************/
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
-import { ErrorComponent } from '@shared/components/error/error.component';
-import { FormControl, Validators } from '@angular/forms';
+import {async, ComponentFixture, TestBed} from '@angular/core/testing';
+import {ErrorComponent} from '@shared/components/error/error.component';
+import {FormControl, Validators} from '@angular/forms';
 
 describe('ErrorComponent', () => {
   let component: ErrorComponent;
@@ -19,8 +23,7 @@
   beforeEach(async(() => {
     TestBed.configureTestingModule({
       declarations: [ErrorComponent]
-    })
-      .compileComponents();
+    }).compileComponents();
   }));
 
   beforeEach(() => {
@@ -83,5 +86,10 @@
       expect(component.listOfErrors()[0]).toEqual('Die Eingabe entspricht nicht dem Muster: ^abc$');
     });
 
+    it('should return an Array with an error for email error', () => {
+      (component as any).control = new FormControl('abc', Validators.email);
+      expect(component.listOfErrors()[0]).toEqual('Die Eingabe enthält keine gültige Emailadresse.');
+    });
+
   });
 });
diff --git a/src/app/shared/components/error/error.component.ts b/src/app/shared/components/error/error.component.ts
index 737594f..cdaff71 100644
--- a/src/app/shared/components/error/error.component.ts
+++ b/src/app/shared/components/error/error.component.ts
@@ -1,44 +1,46 @@
 /********************************************************************************
- * Copyright © 2018 Mettenmeier GmbH.
+ * Copyright © 2018 Mettenmeier GmbH and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
  *
  * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Mettenmeier GmbH - initial implementation
+ *   Basys GmbH - automatic report generation implementation
  ********************************************************************************/
-import { Component, OnInit, Input } from '@angular/core';
-import { AbstractControlDirective, AbstractControl } from '@angular/forms';
+
+import {Component, Input} from '@angular/core';
+import {AbstractControl, AbstractControlDirective} from '@angular/forms';
 
 @Component({
   selector: 'ok-error',
   templateUrl: './error.component.html',
   styleUrls: ['./error.component.scss']
 })
-export class ErrorComponent implements OnInit {
+export class ErrorComponent {
+
   private static readonly errorMessages = {
-    'required': () => 'Dieses Feld muss ausgefüllt werden.',
-    'minlength': (params) => `Es müssen mindestens ${params.requiredLength} Zeichen eingegeben werden`,
-    'maxlength': (params) => `Es dürfen maximal ${params.requiredLength} Zeichen eingegeben werden`,
-    'pattern': (params) => `Die Eingabe entspricht nicht dem Muster: ${params.requiredPattern}`,
-    'invalidDate': () => `Das "von"-Datum muss vor dem "bis"-Datum liegen.`
+    required: () => 'Dieses Feld muss ausgefüllt werden.',
+    minlength: (params) => `Es müssen mindestens ${params.requiredLength} Zeichen eingegeben werden`,
+    maxlength: (params) => `Es dürfen maximal ${params.requiredLength} Zeichen eingegeben werden`,
+    pattern: (params) => `Die Eingabe entspricht nicht dem Muster: ${params.requiredPattern}`,
+    invalidDate: () => `Das "von"-Datum muss vor dem "bis"-Datum liegen.`,
+    email: () => `Die Eingabe enthält keine gültige Emailadresse.`
   };
 
   @Input()
   private control: AbstractControlDirective | AbstractControl;
 
-  constructor() { }
-
-  ngOnInit() {
-  }
-
-  shouldShowErrors(): boolean {
+  public shouldShowErrors(): boolean {
     return this.control &&
       this.control.errors &&
       (this.control.dirty || this.control.touched);
   }
 
-  listOfErrors(): string[] {
+  public listOfErrors(): string[] {
     if (!this.control.errors) {
       return [];
     }