MockRequestDataValueProcessor.java

package grails.util;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.servlet.support.RequestDataValueProcessor;

public class MockRequestDataValueProcessor implements RequestDataValueProcessor {

    public Map<String, String> getExtraHiddenFields(HttpServletRequest request) {
        Map<String, String> extraHiddenFields = new HashMap<String, String>();
        extraHiddenFields.put("requestDataValueProcessorHiddenName", "hiddenValue");
        return extraHiddenFields;
    }

    public String processAction(HttpServletRequest request, String action, String httpMethod) {
        if (action.indexOf("requestDataValueProcessorParamName=paramValue") > -1) {
            action = action.replace("?requestDataValueProcessorParamName=paramValue&", "?");
            action = action.replace("?requestDataValueProcessorParamName=paramValue", "");
            action = action.replace("&requestDataValueProcessorParamName=paramValue", "");
        }
        return action;
    }

    public String processFormFieldValue(HttpServletRequest request, String name, String value, String type) {
        return value + "_PROCESSED_";
    }

    public String processUrl(HttpServletRequest request, String url) {
        String toAppend;
        if (url.indexOf("?") > -1) {
            toAppend = "&requestDataValueProcessorParamName=paramValue";
        } else {
            toAppend = "?requestDataValueProcessorParamName=paramValue";
        }
        if (url.indexOf("#") > -1) {
            url = url.replace("#", toAppend + "#");
        } else {
            url = url + toAppend;
        }
        return url;
    }
}