io.leopard.web.servlet

Class RequestUtil

java.lang.Object

io.leopard.web.servlet.RequestUtil

public class RequestUtil
extends Object

Author:

阿海

Constructor Summary

Constructors

Constructor and Description
RequestUtil()

Method Summary

Modifier and Type	Method and Description
static String	getCookieUsername(javax.servlet.http.HttpServletRequest request) 从cookie获取用户通行证.
static javax.servlet.http.HttpServletRequest	getCurrentRequest()
static String	getDomain(javax.servlet.http.HttpServletRequest request) 获取域名.
static int	getPageid(Integer pageid) 把null或无效的页码转成1.
static String	getProxyIp(javax.servlet.http.HttpServletRequest request) 获取代理服务器IP.
static String	getReferer(javax.servlet.http.HttpServletRequest request) 获取上次访问的地址.
static String	getRequestContextUri(javax.servlet.http.HttpServletRequest request)
static String	getRequestURL(javax.servlet.http.HttpServletRequest request)
static String	getSchemeAndServerName(javax.servlet.http.HttpServletRequest request) 获取域名.
static String	getString(javax.servlet.http.HttpServletRequest request, String parameterName, String defaultValue) 获取请求参数的值，若不存在则返回默认值.
static String	getUserAgent(javax.servlet.http.HttpServletRequest request) 获取user-agent.
static boolean	isAjaxRequest(javax.servlet.http.HttpServletRequest request) 是否AJAX请求
static boolean	isValidIp(String ip) 判断IP是否合法.
static void	printAttributes(javax.servlet.http.HttpServletRequest request) 打印请求中的对象.
static void	printHeaders(javax.servlet.http.HttpServletRequest request) 打印header信息.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RequestUtil

public RequestUtil()

Method Detail

getProxyIp

public static String getProxyIp(javax.servlet.http.HttpServletRequest request)

获取代理服务器IP. .

Parameters:

request -

Returns:

getRequestContextUri

public static String getRequestContextUri(javax.servlet.http.HttpServletRequest request)

getCurrentRequest

public static javax.servlet.http.HttpServletRequest getCurrentRequest()

getSchemeAndServerName

public static String getSchemeAndServerName(javax.servlet.http.HttpServletRequest request)

获取域名.

Parameters:

request -

Returns:

getDomain

public static String getDomain(javax.servlet.http.HttpServletRequest request)

获取域名.

Parameters:

request -

Returns:

getUserAgent

public static String getUserAgent(javax.servlet.http.HttpServletRequest request)

获取user-agent.

getPageid

public static int getPageid(Integer pageid)

把null或无效的页码转成1.

Parameters:

pageid -

Returns:

printHeaders

public static void printHeaders(javax.servlet.http.HttpServletRequest request)

打印header信息.

Parameters:

request -

isValidIp

public static boolean isValidIp(String ip)

判断IP是否合法.

Parameters:

ip -

Returns:

printAttributes

public static void printAttributes(javax.servlet.http.HttpServletRequest request)

打印请求中的对象.

Parameters:

request -

getReferer

public static String getReferer(javax.servlet.http.HttpServletRequest request)

获取上次访问的地址.

Parameters:

request -

Returns:

getString

public static String getString(javax.servlet.http.HttpServletRequest request,
                               String parameterName,
                               String defaultValue)

获取请求参数的值，若不存在则返回默认值.

Parameters:

request -

parameterName -

defaultValue -

Returns:

getRequestURL

public static String getRequestURL(javax.servlet.http.HttpServletRequest request)

getCookieUsername

public static String getCookieUsername(javax.servlet.http.HttpServletRequest request)

从cookie获取用户通行证.

Parameters:

request -

Returns:

isAjaxRequest

public static boolean isAjaxRequest(javax.servlet.http.HttpServletRequest request)

是否AJAX请求

Parameters:

request -

Returns: