com.cisco.ca.cstg.pdi.interceptor.LicensePresenceInterceptor.java Source code

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Here is the source code for com.cisco.ca.cstg.pdi.interceptor.LicensePresenceInterceptor.java

Source

package com.cisco.ca.cstg.pdi.interceptor;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

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

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.cisco.ca.cstg.pdi.utils.LicenseFileValidator;

public class LicensePresenceInterceptor implements HandlerInterceptor {

    private static final List<String> SKIP_REQUEST_LIST;

    static {
        SKIP_REQUEST_LIST = new ArrayList<>();
        SKIP_REQUEST_LIST.add("index.html");
        SKIP_REQUEST_LIST.add("login.html");
        SKIP_REQUEST_LIST.add("home.html");
        SKIP_REQUEST_LIST.add("header.html");
        SKIP_REQUEST_LIST.add("license.html");
        SKIP_REQUEST_LIST.add("footer.html");
        SKIP_REQUEST_LIST.add("licenseUpload.html");
    }

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws IOException {
        boolean returnValue = false;

        if (request.getRequestURI() != null) {
            String requestString = request.getRequestURI().toString();
            requestString = requestString.substring(requestString.indexOf('/', 1) + 1);
            int separatorIndex = requestString.indexOf('?');
            requestString = separatorIndex > -1 ? requestString.substring(0, separatorIndex) : requestString;
            if (LicenseFileValidator.getInstance().licenseFileExists()
                    || SKIP_REQUEST_LIST.contains(requestString)) {
                returnValue = true;
            } else {
                response.sendRedirect("license.html");
                returnValue = false;
            }
        }
        return returnValue;
    }

    /**
     * This method is used to call for postHandle operation
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
            ModelAndView modelAndView) {
        //Business requirement yet to come
    }

    /**
     * This method is used to call for afterCompletion operation
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
            Exception ex) {
        //Business requirement yet to come
    }

}