Examples of org.apache.wicket.validation.validator.PatternValidator

Package org.apache.wicket.validation.validator

Examples of org.apache.wicket.validation.validator.PatternValidator

org.apache.wicket.validation.validator.PatternValidator
Validates a Component by matching the component's value against a regular expression pattern. A PatternValidator can be constructed with either a Java regular expression (compiled or not) or a MetaPattern. If the pattern matches against the value of the Component it is attached to when validate is called by the framework, then that input value is considered valid. If the pattern does not match, the errorMessage method will be called.
For example, to restrict a field to only digits, you might add a PatternValidator constructed with the pattern "\d+". Another way to do the same thing would be to construct the PatternValidator passing in MetaPattern.DIGITS. The advantages of using MetaPattern over straight Java regular expressions are that the patterns are easier to construct and easier to combine into complex patterns. They are also more readable and more reusable. See {@link org.apache.wicket.util.parse.metapattern.MetaPattern MetaPattern} fordetails.
The error message will be generated with the key "PatternValidator" and the message keys that can be used are:
- ${pattern}: the pattern which failed to match
- ${input}: the input the user gave
- ${name}: the name of the Component that failed
- ${label}: the label of the Component - either comes from FormComponent.labelModel or resource key [form-id].[form-component-id] in that order
@see java.util.regex.Pattern @see org.apache.wicket.util.parse.metapattern.MetaPattern @author Jonathan Locke @author Igor Vaynberg (ivaynberg) @since 1.2.6

      
      // this would be the standard portion of this
      add(new FeedbackBorder("usernameBorder")
        .add(new TextField<String>("username")
            .add(StringValidator.lengthBetween(6, 32))
            .add(new PatternValidator("[\\w-.]+"))
            .add(new UniqueUserFieldValidator(Field.USERNAME))
            .setRequired(true)));
      
      add(new FeedbackBorder("firstnameBorder")
        .add(new TextField<String>("firstName")
          .add(StringValidator.maximumLength(32))
          .setRequired(false)));
      
      add(new FeedbackBorder("lastnameBorder")
        .add(new TextField<String>("lastName")
          .add(StringValidator.maximumLength(32))
          .setRequired(false)));
      
      add(new FeedbackBorder("emailBorder")
        .add(email = (TextField<String>) new TextField<String>("email")
          .add(EmailAddressValidator.getInstance())
          .add(StringValidator.maximumLength(255))
          .add(new UniqueUserFieldValidator(Field.EMAIL))
          .setRequired(true)));
      
      add(new FeedbackBorder("verifyEmailBorder")
        .add(verifyEmail = (TextField<String>) new TextField<String>("verifyEmail", new Model<String>())
          .setRequired(true)));


      add(new FeedbackBorder("passwordBorder")
        .add(password = (PasswordTextField) new PasswordTextField("password", new Model<String>())
          .add(StringValidator.lengthBetween(4, 32))
          .add(new PatternValidator("[\\w!@#$%^&*()-=_+\\\\.,;:/]+"))
          .setRequired(true)));


      add(new FeedbackBorder("verifyPasswordBorder")
        .add(verifyPassword = (PasswordTextField) new PasswordTextField("verifyPassword", new Model<String>())
          .setRequired(true)));

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      fields.add((new FeedbackBorder("passwordBorder"))
        .add(password = (PasswordTextField) new PasswordTextField("password", new Model<String>())
          .setLabel(new Model<String>("New Password"))
          .add(StringValidator.lengthBetween(4, 32))
          .add(new PatternValidator("[\\w!@#$%^&*()-=_+\\\\.,;:/]+"))
          .setRequired(true)));


      fields.add((new FeedbackBorder("verifyPasswordBorder"))
        .add(verifyPassword = (PasswordTextField) new PasswordTextField("verifyPassword", new Model<String>())
          .setLabel(new Model<String>("Verify New Password"))

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        form.add(dirField);
        form.add(chooserButton(form));
        TextField projectField = new TextField("project");
        projectField.setRequired(true);
        projectField.add(new ProjectValidator());
        projectField.add(new PatternValidator("\\w+"));
        projectField.add(new StringValidator.MaximumLengthValidator(6));
        form.add(projectField);


        SubmitLink submitLink = submitLink();
        form.add(submitLink);

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      LengthBetweenValidator lengthBetweenValidator = (LengthBetweenValidator) validator;
      buffer.append(messageBuilder.lengthBetweenMessage(component, lengthBetweenValidator));
    }


    else if (PatternValidator.class.isAssignableFrom(validator.getClass())) {
      PatternValidator patternValidator = (PatternValidator) validator;
      if (EmailAddressValidator.class.isAssignableFrom(validator.getClass())) {
        buffer.append(messageBuilder.emailMessage(component));
      } else {
        buffer.append(messageBuilder.patternMessage(component, patternValidator));
      }

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    form.add(new RequiredTextField("email")
        .add(EmailAddressValidator.getInstance()));


    form.add(new RequiredTextField("pattern", new Model())
        .add(new PatternValidator(".*\\.com")));


    FormComponent formComponent1 = new RequiredTextField("dateOfBirth1");
    FormComponent formComponent2 = new RequiredTextField("dateOfBirth2");
    form.add(formComponent1);
    form.add(formComponent2);

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