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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;

import java.util.List;

/**
 * ActionValidatorManager is the main interface for validation managers (regular and annotation based).
 *
 * @author Rainer Hermanns
 */
public interface ActionValidatorManager {

    /**
     * Returns a list of validators for the given class, context, and method. This is the primary
     * lookup method for validators.
     *
     * @param clazz the class to lookup.
     * @param context the context of the action class - can be null.
     * @param method the name of the method being invoked on the action - can be null.
     * @return a list of all validators for the given class and context.
     */
    List getValidators(Class clazz, String context, String method);

    /**
     * Returns a list of validators for the given class and context. This is the primary
     * lookup method for validators.
     *
     * @param clazz the class to lookup.
     * @param context the context of the action class - can be null.
     * @return a list of all validators for the given class and context.
     */
    List getValidators(Class clazz, String context);

    /**
     * Validates the given object using action and its context.
     *
     * @param object the action to validate.
     * @param context the action's context.
     * @throws ValidationException if an error happens when validating the action.
     */
    void validate(Object object, String context) throws ValidationException;

    /**
     * Validates an action give its context and a validation context.
     *
     * @param object the action to validate.
     * @param context the action's context.
     * @param validatorContext the validation context to use
     * @throws ValidationException if an error happens when validating the action.
     */
    void validate(Object object, String context, ValidatorContext validatorContext) throws ValidationException;

    /**
     * Validates the given object using an action, its context, and the name of the method being invoked on the action.
     *
     * @param object the action to validate.
     * @param context the action's context.
     * @param method the name of the method being invoked on the action - can be null.
     * @throws ValidationException if an error happens when validating the action.
     */
    void validate(Object object, String context, String method) throws ValidationException;

    /**
     * Validates an action give its context and a validation context.
     *
     * @param object the action to validate.
     * @param context the action's context.
     * @param validatorContext the validation context to use
     * @param method the name of the method being invoked on the action - can be null.
     * @throws ValidationException if an error happens when validating the action.
     */
    void validate(Object object, String context, ValidatorContext validatorContext, String method) throws ValidationException;
}