Package org.apache.tapestry5.internal.services

## Class FieldValidatorSourceImpl

- java.lang.Object
- - org.apache.tapestry5.internal.services.FieldValidatorSourceImpl

- All Implemented Interfaces:
    `FieldValidatorSource`

      public class FieldValidatorSourceImpl
      extends java.lang.Object
      implements FieldValidatorSource

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `FieldValidatorSourceImpl​(Messages globalMessages, TypeCoercer typeCoercer, FormSupport formSupport, java.util.Map<java.lang.String,​Validator> validators, ValidatorMacro validatorMacro)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `FieldValidator` | `createValidator​(Field field, java.lang.String validatorType, java.lang.String constraintValue)` | Creates the validator.
    `FieldValidator` | `createValidator​(Field field, java.lang.String validatorType, java.lang.String constraintValue, java.lang.String overrideId, Messages overrideMessages, java.util.Locale locale)` | Full featured version of `FieldValidatorSource.createValidator(Field, String, String)` used in situations where the container of the field is not necessarily the place to look for override messages, and the id of the field is not the key to use when checking.
    `FieldValidator` | `createValidators​(Field field, java.lang.String specification)` | Creates a set of validators.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### FieldValidatorSourceImpl

          public FieldValidatorSourceImpl​(Messages globalMessages,
                                          TypeCoercer typeCoercer,
                                          FormSupport formSupport,
                                          java.util.Map<java.lang.String,​Validator> validators,
                                          ValidatorMacro validatorMacro)

  - ### Method Detail

    - #### createValidator

          public FieldValidator createValidator​(Field field,
                                                java.lang.String validatorType,
                                                java.lang.String constraintValue)

      Description copied from interface: `FieldValidatorSource`
      Creates the validator. The error message associated with the field validator usually comes from the global message catalog (using the validator's `message key`). However, if the container component of the field defines a message key `id-validator` (where id is the simple id of the field component, and validator is the validatorType), then that message is used instead. This allows you to override the message for a particular validation of a particular field.
      Specified by:
        `createValidator` in interface `FieldValidatorSource`
      Parameters:
        `field` - the field for which a validator is to be created
        `validatorType` - used to select the `Validator` that forms the core of the `FieldValidator`
        `constraintValue` - a value used to configure the validator, or null if the validator is not configurarable
      Returns:
        the field validator for the field

    - #### createValidator

          public FieldValidator createValidator​(Field field,
                                                java.lang.String validatorType,
                                                java.lang.String constraintValue,
                                                java.lang.String overrideId,
                                                Messages overrideMessages,
                                                java.util.Locale locale)

      Description copied from interface: `FieldValidatorSource`
      Full featured version of `FieldValidatorSource.createValidator(Field, String, String)` used in situations where the container of the field is not necessarily the place to look for override messages, and the id of the field is not the key to use when checking. The `BeanEditForm` is an example of this.
      Specified by:
        `createValidator` in interface `FieldValidatorSource`
      Parameters:
        `field` - the field for which a validator is to be created
        `validatorType` - used to select the `Validator` that forms the core of the `FieldValidator`
        `constraintValue` - a value used to configure the validator, or null if the validator is not configurable
        `overrideId` - the base id used when searching for validator message overrides (this would normally be the field component's simple id)
        `overrideMessages` - the message catalog to search for override messages (this would normally be the catalog for the container of the field component)
        `locale` - ignored, starting in 5.3 (it is allowed to pass null). Locale was needed in release 5.2 and earlier.
      Returns:
        the field validator for the field

    - #### createValidators

          public FieldValidator createValidators​(Field field,
                                                 java.lang.String specification)

      Description copied from interface: `FieldValidatorSource`
      Creates a set of validators. The specification is a string used to identify and configure the individual validators. The specification is a comma-separated list of terms. Each term is a validator type name and an optional constraint value (separated by an equals sign).
      Specified by:
        `createValidators` in interface `FieldValidatorSource`
      Returns:
        a composite field validator