?? cmdhome.java
字號:
package com.xyz.command;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @author Mauget
*/
public class CmdHome implements ICommand {
/**
* @see com.xyz.command.ICommand#execute(HttpServletRequest, HttpServletResponse)
*/
public String execute(
HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
String zipCode = getCookieValue(request, cookieName, "27703");
request.setAttribute(cookieName, zipCode);
return "default.jsp";
}
/**
* Returns cookie value if found, or
* supplied default value if not found.
* @param request javax.servlet.http.HttpServletRequest
* @param cookieName java.lang.String
* @param defaultValue java.lang.String
*/
private String getCookieValue(
HttpServletRequest request,
String cookieName,
String defaultValue) {
String value = defaultValue;
Cookie[] cookies = request.getCookies();
for (int index = 0; index < cookies.length; ++index) {
Cookie cookie = cookies[index];
if (cookieName.equals(cookie.getName()))
value = cookie.getValue();
}
return value;
}
}
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