gerrit.onap Code Review - sdc/sdc-workflow-designer.git/blob

   1 import {Directive, forwardRef} from '@angular/core';
   2 import {AbstractControl, NG_VALIDATORS, Validators} from '@angular/forms';
   3
   4 @Directive({
   5   selector: '[ipv4][ngModel],[ipv4][formControl],[ipv4][formControlName]',
   6   providers: [{
   7         provide: NG_VALIDATORS,
   8         useExisting: forwardRef(() => Ipv4ValidatorDirective),
   9         multi: true
  10   }],
  11 })
  12
  13 export class Ipv4ValidatorDirective {
  14   validate(c: AbstractControl) {
  15         if (Validators.required(c) !== undefined &&
  16                 Validators.required(c) !== null) {
  17                 return null;
  18         }
  19         const ipv4Reg =
  20                 /^((25[0-5]|2[0-4]\d|[0-1]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[0-1]?\d\d?)$/;
  21         let regex = new RegExp(ipv4Reg);
  22         return regex.test(c.value) ? null : {'ipv4': true};
  23   }
  24 }