/**
* Copyright 2005-2016 hdiv.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hdiv.context;
import java.util.Map;
public interface RequestContextDataValueProcessor {
/**
* Invoked when a new form action is rendered.
* @param request the current request
* @param action the form action
* @param httpMethod the form HTTP method
* @return the action to use, possibly modified
*/
String processAction(RequestContextHolder request, String action, String httpMethod);
/**
* Invoked when a form field value is rendered.
* @param request the current request
* @param name the form field name
* @param value the form field value
* @param type the form field type ("text", "hidden", etc.)
* @return the form field value to use, possibly modified
*/
String processFormFieldValue(RequestContextHolder request, String name, String value, String type);
/**
* Invoked after all form fields have been rendered.
* @param request the current request
* @return additional hidden form fields to be added, or {@code null}
*/
Map<String, String> getExtraHiddenFields(RequestContextHolder request);
/**
* Invoked when a URL is about to be rendered or redirected to.
* @param request the current request
* @param url the URL value
* @return the URL to use, possibly modified
*/
String processUrl(RequestContextHolder request, String url);
}