icu.easyj.web.util

类 HttpUtils

java.lang.Object

icu.easyj.web.util.HttpUtils

public abstract class HttpUtils
extends Object

HTTP工具类

作者:

wangliang181230

构造器概要

构造器

构造器和说明
HttpUtils()

方法概要

限定符和类型	方法和说明
static void	clearInternalRequest() 清除`INTERNAL_REQUEST_FLAG`
static String	generateExportFileName(String fileNamePre, String fileSuffix) 生成导出文件的文件名
static String	getContextPath(javax.servlet.ServletContext context) 获取二级目录
static String	getNoContextPathUri(String uri, String contextPath) 获取没有二级目录的请求路径
static javax.servlet.http.HttpServletRequest	getRequest() 获取 HttpServletRequest
static javax.servlet.http.HttpServletResponse	getResponse() 获取 HttpServletResponse
static boolean	isDoExportRequest()
static boolean	isDoExportRequest(javax.servlet.http.HttpServletRequest request) 判断是否为导出文件请求
static boolean	isGetRequest()
static boolean	isGetRequest(javax.servlet.http.HttpServletRequest request) 判断是否GET请求
static boolean	isInternalRequest() 判断是否来自内部服务器的请求
static boolean	isNoCacheRequest()
static boolean	isNoCacheRequest(javax.servlet.http.HttpServletRequest request) 判断是否为无缓存请求
static boolean	isNotGetRequest()
static boolean	isNotGetRequest(javax.servlet.http.HttpServletRequest request) 判断是否不是GET请求
static boolean	isNotOptionsRequest()
static boolean	isNotOptionsRequest(javax.servlet.http.HttpServletRequest request) 判断是否不是OPTIONS请求
static boolean	isNotPostRequest()
static boolean	isNotPostRequest(javax.servlet.http.HttpServletRequest request) 判断是否不是POST请求
static boolean	isOptionsRequest()
static boolean	isOptionsRequest(javax.servlet.http.HttpServletRequest request) 判断是否OPTIONS请求
static boolean	isPostRequest()
static boolean	isPostRequest(javax.servlet.http.HttpServletRequest request) 判断是否POST请求
static void	setInternalRequest() 设置当前请求为 来自内部服务器的请求
static void	setResponseNotAllowCache(javax.servlet.http.HttpServletResponse response) 设置响应信息，使该请求不允许被缓存
static void	setResponseStatus304()
static void	setResponseStatus304(javax.servlet.http.HttpServletResponse response) 设置响应状态为304

从类继承的方法 java.lang.Object

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

构造器详细资料

HttpUtils

public HttpUtils()

方法详细资料

getRequest

@NonNull
public static javax.servlet.http.HttpServletRequest getRequest()
                                                                  throws RequestContextNotFoundException

获取 HttpServletRequest

返回:

request 请求实例

抛出:

RequestContextNotFoundException - HTTP请求上下文不存在的异常

getResponse

@NonNull
public static javax.servlet.http.HttpServletResponse getResponse()
                                                                    throws RequestContextNotFoundException

获取 HttpServletResponse

返回:

response 响应实例

抛出:

RequestContextNotFoundException - HTTP请求上下文不存在的异常

getContextPath

public static String getContextPath(@NonNull
                                    javax.servlet.ServletContext context)

获取二级目录

参数:

context - 上下文

返回:

contextPath 二级目录

getNoContextPathUri

@NonNull
public static String getNoContextPathUri(String uri,
                                                   @Nullable
                                                   String contextPath)

获取没有二级目录的请求路径

参数:

uri - 完整请求路径

contextPath - 二级目录

返回:

noContextPathUri 排除了二级目录的请求路径

isGetRequest

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

判断是否GET请求

参数:

request - 请求实例

返回:

isGetRequest 是否为GET请求

isGetRequest

public static boolean isGetRequest()

isNotGetRequest

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

判断是否不是GET请求

参数:

request - 请求实例

返回:

isGetRequest 是否为GET请求

isNotGetRequest

public static boolean isNotGetRequest()

isPostRequest

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

判断是否POST请求

参数:

request - 请求实例

返回:

isPostRequest 是否为POST请求

isPostRequest

public static boolean isPostRequest()

isNotPostRequest

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

判断是否不是POST请求

参数:

request - 请求实例

返回:

isPostRequest 是否为POST请求

isNotPostRequest

public static boolean isNotPostRequest()

isOptionsRequest

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

判断是否OPTIONS请求

参数:

request - 请求实例

返回:

isGetRequest 是否为GET请求

isOptionsRequest

public static boolean isOptionsRequest()

isNotOptionsRequest

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

判断是否不是OPTIONS请求

参数:

request - 请求实例

返回:

isGetRequest 是否为GET请求

isNotOptionsRequest

public static boolean isNotOptionsRequest()

isNoCacheRequest

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

判断是否为无缓存请求

参数:

request - 请求实例

返回:

isNoCacheRequest 是否为无缓存请求

isNoCacheRequest

public static boolean isNoCacheRequest()

isInternalRequest

public static boolean isInternalRequest()

判断是否来自内部服务器的请求

返回:

isInternalRequest 是否来自内部服务器的请求

setInternalRequest

public static void setInternalRequest()

设置当前请求为 来自内部服务器的请求

clearInternalRequest

public static void clearInternalRequest()

清除`INTERNAL_REQUEST_FLAG`

setResponseStatus304

public static void setResponseStatus304(javax.servlet.http.HttpServletResponse response)

设置响应状态为304

参数:

response - 响应实例

setResponseStatus304

public static void setResponseStatus304()

setResponseNotAllowCache

public static void setResponseNotAllowCache(javax.servlet.http.HttpServletResponse response)

设置响应信息，使该请求不允许被缓存

参数:

response - 响应实例

isDoExportRequest

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

判断是否为导出文件请求

参数:

request - 请求实例

返回:

isDoExportRequest 是否为导出文件请求

isDoExportRequest

public static boolean isDoExportRequest()

generateExportFileName

public static String generateExportFileName(@NonNull
                                            String fileNamePre,
                                            String fileSuffix)

生成导出文件的文件名

参数:

fileNamePre - 文件名前缀

fileSuffix - 文件后续名

返回:

fileName 导出的文件名