com.opensymphony.xwork2.interceptor

## Interface ValidationAware

- All Known Subinterfaces:
    ValidatorContext
  All Known Implementing Classes:
    ActionSupport, DefaultActionSupport, DelegatingValidatorContext, ValidationAwareSupport, VisitorFieldValidator.AppendingValidatorContext

      public interface ValidationAware

  ValidationAware classes can accept Action (class level) or field level error messages. Action level messages are kept in a Collection. Field level error messages are kept in a Map from String field name to a List of field error msgs.
  Author:
    plightbo

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addActionError(String anErrorMessage)` Add an Action-level error message to this Action.
    `void` | `addActionMessage(String aMessage)` Add an Action-level message to this Action.
    `void` | `addFieldError(String fieldName, String errorMessage)` Add an error message for a given field.
    `Collection<String>` | `getActionErrors()` Get the Collection of Action-level error messages for this action.
    `Collection<String>` | `getActionMessages()` Get the Collection of Action-level messages for this action.
    `Map<String,List<String>>` | `getFieldErrors()` Get the field specific errors associated with this action.
    `boolean` | `hasActionErrors()` Check whether there are any Action-level error messages.
    `boolean` | `hasActionMessages()` Checks whether there are any Action-level messages.
    `boolean` | `hasErrors()` Checks whether there are any action errors or field errors.
    `boolean` | `hasFieldErrors()` Check whether there are any field errors associated with this action.
    `void` | `setActionErrors(Collection<String> errorMessages)` Set the Collection of Action-level String error messages.
    `void` | `setActionMessages(Collection<String> messages)` Set the Collection of Action-level String messages (not errors).
    `void` | `setFieldErrors(Map<String,List<String>> errorMap)` Set the field error map of fieldname (String) to Collection of String error messages.

- - ### Method Detail

    - #### setActionErrors

          void setActionErrors(Collection<String> errorMessages)

      Set the Collection of Action-level String error messages.
      Parameters:
        `errorMessages` - Collection of String error messages

    - #### getActionErrors

          Collection<String> getActionErrors()

      Get the Collection of Action-level error messages for this action. Error messages should not be added directly here, as implementations are free to return a new Collection or an Unmodifiable Collection.
      Returns:
        Collection of String error messages

    - #### setActionMessages

          void setActionMessages(Collection<String> messages)

      Set the Collection of Action-level String messages (not errors).
      Parameters:
        `messages` - Collection of String messages (not errors).

    - #### getActionMessages

          Collection<String> getActionMessages()

      Get the Collection of Action-level messages for this action. Messages should not be added directly here, as implementations are free to return a new Collection or an Unmodifiable Collection.
      Returns:
        Collection of String messages

    - #### setFieldErrors

          void setFieldErrors(Map<String,List<String>> errorMap)

      Set the field error map of fieldname (String) to Collection of String error messages.
      Parameters:
        `errorMap` - field error map

    - #### getFieldErrors

          Map<String,List<String>> getFieldErrors()

      Get the field specific errors associated with this action. Error messages should not be added directly here, as implementations are free to return a new Collection or an Unmodifiable Collection.
      Returns:
        Map with errors mapped from fieldname (String) to Collection of String error messages

    - #### addActionError

          void addActionError(String anErrorMessage)

      Add an Action-level error message to this Action.
      Parameters:
        `anErrorMessage` - the error message

    - #### addActionMessage

          void addActionMessage(String aMessage)

      Add an Action-level message to this Action.
      Parameters:
        `aMessage` - the message

    - #### addFieldError

          void addFieldError(String fieldName,
                           String errorMessage)

      Add an error message for a given field.
      Parameters:
        `fieldName` - name of field
        `errorMessage` - the error message

    - #### hasActionErrors

          boolean hasActionErrors()

      Check whether there are any Action-level error messages.
      Returns:
        true if any Action-level error messages have been registered

    - #### hasActionMessages

          boolean hasActionMessages()

      Checks whether there are any Action-level messages.
      Returns:
        true if any Action-level messages have been registered

    - #### hasErrors

          boolean hasErrors()

      Checks whether there are any action errors or field errors.
      Returns:
        `(hasActionErrors() || hasFieldErrors())`

    - #### hasFieldErrors

          boolean hasFieldErrors()

      Check whether there are any field errors associated with this action.
      Returns:
        whether there are any field errors

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