public validate() {
    try {
      const ngControl: NgControl | NgModel = this.injector.get(NgControl);
      let errors: ValidationErrors = {};
      if (ngControl instanceof NgModel) {
        if (this.input.valid) {
          this.errorState = false;
        } else {
          this.errorState = true;
        }

        errors = this.input.errors;
      } else {
        if (ngControl.invalid) {
          this.errorState = true;
        } else {
          this.errorState = false;
        }

        errors = ngControl.errors;
      }

      for (const key in errors) {
        if (key) {
          const keyMessage = ObjectHelper.composeMessageKey(this.message, this.errorKey, key);
          const params = ObjectHelper.composeMessageParams(this.message, key, errors);
          if (params) {
            this.translateService.get(keyMessage, params).subscribe(
              (result) => {
                this.errorMessage = result;
              }
            );
          } else {
            this.translateService.get(keyMessage).subscribe(
              (result) => {
                this.errorMessage = result;
              }
            );
          }
          break;
        }
      }
    } catch (exception) {
      console.warn('[TextInput] Forms / NgModel not defined!', exception);
    }
  }