com.healthcit.cacure.web.interceptor.FormContextInterceptor.java Source code

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Here is the source code for com.healthcit.cacure.web.interceptor.FormContextInterceptor.java

Source

/*L
 * Copyright HealthCare IT, Inc.
 *
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/edct-formbuilder/LICENSE.txt for details.
 */

package com.healthcit.cacure.web.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.healthcit.cacure.web.controller.question.FormContextRequired;

public class FormContextInterceptor extends HandlerInterceptorAdapter {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        // see if a handler is of the type that requires form context
        if (handler instanceof FormContextRequired) {
            FormContextRequired controller = (FormContextRequired) handler;
            try {
                Long formId = Long.valueOf(request.getParameter(FormContextRequired.FORM_ID_NAME));
                controller.setFormId(formId);
                request.setAttribute(FormContextRequired.FORM_ID_NAME, formId);
            } catch (Exception e) {
                // either parameter is missing or invalid value
                throw new MissingServletRequestParameterException(FormContextRequired.FORM_ID_NAME, "Long");
            }
        }
        return true;
    }

}