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XWork is an command-pattern framework that is used to power WebWork as well as other applications. XWork provides an Inversion of Control container, a powerful expression language, data type conversion, validation, and pluggable configuration.

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/*
 * Copyright (c) 2002-2007 by OpenSymphony
 * All rights reserved.
 */
package com.opensymphony.xwork2.validator;

/**
 * The FieldValidator interface defines the methods to be implemented by FieldValidators.
 * Which are used by the XWork validation framework to validate Action properties before
 * executing the Action.
 */
public interface FieldValidator extends Validator {

    /**
     * Sets the field name to validate with this FieldValidator
     *
     * @param fieldName the field name
     */
    void setFieldName(String fieldName);

    /**
     * Gets the field name to be validated
     *
     * @return the field name
     */
    String getFieldName();

}