cn.jeeweb.common.oss

类 OSSUploadHelper

java.lang.Object

cn.jeeweb.common.oss.OSSUploadHelper

public class OSSUploadHelper
extends Object

文件上传操作助手

字段概要

字段

限定符和类型	字段和说明
String[]	allowedExtension
static String[]	DEFAULT_ALLOWED_EXTENSION
static String	DEFAULT_CONFIG_FILE
static int	DEFAULT_FILE_NAME_LENGTH
static long	DEFAULT_MAX_SIZE
static String[]	FLASH_EXTENSION
static String[]	IMAGE_EXTENSION
static String[]	MEDIA_EXTENSION

构造器概要

构造器

构造器和说明
OSSUploadHelper()

方法概要

限定符和类型	方法和说明
void	assertAllowed(org.springframework.web.multipart.MultipartFile file, String[] allowedExtension, long maxSize) 是否允许文件上传
void	assertAllowed(String remoteUrl, String[] allowedExtension, long maxSize) 是否允许文件上传
void	delete(javax.servlet.http.HttpServletRequest request, String filename)
String	extractFilename(org.springframework.web.multipart.MultipartFile file, String baseDir, boolean needDatePathAndRandomName)
String	extractFilename(String remoteUrl, String baseDir, boolean needDatePathAndRandomName)
void	init()
void	init(OssConfig ossConfig)
void	init(String configname)
boolean	isAllowedExtension(String extension, String[] allowedExtension) 判断MIME类型是否是允许的MIME类型
String	remote(javax.servlet.http.HttpServletRequest request, String remoteUrl, String baseDir) 以默认配置进行文件上传
String	remote(javax.servlet.http.HttpServletRequest request, String remoteUrl, String baseDir, String[] allowedExtension) 以默认配置进行文件上传
String	remote(javax.servlet.http.HttpServletRequest request, String remoteUrl, String baseDir, String[] allowedExtension, long maxSize, boolean needDatePathAndRandomName) 文件上传
String	upload(javax.servlet.http.HttpServletRequest request, org.springframework.web.multipart.MultipartFile file, String baseDir) 以默认配置进行文件上传
String	upload(javax.servlet.http.HttpServletRequest request, org.springframework.web.multipart.MultipartFile file, String baseDir, String[] allowedExtension) 以默认配置进行文件上传
String	upload(javax.servlet.http.HttpServletRequest request, org.springframework.web.multipart.MultipartFile file, String baseDir, String[] allowedExtension, long maxSize, boolean needDatePathAndRandomName) 文件上传

从类继承的方法 java.lang.Object

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

字段详细资料

DEFAULT_CONFIG_FILE

public static final String DEFAULT_CONFIG_FILE

另请参阅:

常量字段值

DEFAULT_FILE_NAME_LENGTH

public static final int DEFAULT_FILE_NAME_LENGTH

另请参阅:

常量字段值

IMAGE_EXTENSION

public static final String[] IMAGE_EXTENSION

FLASH_EXTENSION

public static final String[] FLASH_EXTENSION

MEDIA_EXTENSION

public static final String[] MEDIA_EXTENSION

DEFAULT_MAX_SIZE

public static final long DEFAULT_MAX_SIZE

另请参阅:

常量字段值

DEFAULT_ALLOWED_EXTENSION

public static final String[] DEFAULT_ALLOWED_EXTENSION

allowedExtension

public String[] allowedExtension

构造器详细资料

OSSUploadHelper

public OSSUploadHelper()

方法详细资料

init

public void init()

init

public void init(String configname)

init

public void init(OssConfig ossConfig)

upload

public String upload(javax.servlet.http.HttpServletRequest request,
                     org.springframework.web.multipart.MultipartFile file,
                     String baseDir)
              throws org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     InvalidExtensionException,
                     FileNameLengthLimitExceededException,
                     IOException

以默认配置进行文件上传

参数:

request - 当前请求

file - 上传的文件 添加出错信息

返回:

抛出:

IOException

FileNameLengthLimitExceededException

InvalidExtensionException

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

upload

public String upload(javax.servlet.http.HttpServletRequest request,
                     org.springframework.web.multipart.MultipartFile file,
                     String baseDir,
                     String[] allowedExtension)
              throws org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     InvalidExtensionException,
                     FileNameLengthLimitExceededException,
                     IOException

以默认配置进行文件上传

参数:

request - 当前请求

file - 上传的文件 添加出错信息

allowedExtension - 允许上传的文件类型

返回:

抛出:

IOException

FileNameLengthLimitExceededException

InvalidExtensionException

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

upload

public String upload(javax.servlet.http.HttpServletRequest request,
                     org.springframework.web.multipart.MultipartFile file,
                     String baseDir,
                     String[] allowedExtension,
                     long maxSize,
                     boolean needDatePathAndRandomName)
              throws InvalidExtensionException,
                     org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     IOException,
                     FileNameLengthLimitExceededException

文件上传

参数:

request - 当前请求 从请求中提取 应用上下文根

baseDir - 相对应用的基目录

file - 上传的文件

allowedExtension - 允许的文件类型 null 表示允许所有

maxSize - 最大上传的大小 -1 表示不限制

needDatePathAndRandomName - 是否需要日期目录和随机文件名前缀

返回:

返回上传成功的文件名

抛出:

InvalidExtensionException - 如果MIME类型不允许

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException - 如果超出最大大小

FileNameLengthLimitExceededException - 文件名太长

IOException - 比如读写文件出错时

remote

public String remote(javax.servlet.http.HttpServletRequest request,
                     String remoteUrl,
                     String baseDir)
              throws org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     InvalidExtensionException,
                     FileNameLengthLimitExceededException,
                     IOException

以默认配置进行文件上传

参数:

request - 当前请求

remoteUrl - 上传的文件 添加出错信息

返回:

抛出:

IOException

FileNameLengthLimitExceededException

InvalidExtensionException

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

remote

public String remote(javax.servlet.http.HttpServletRequest request,
                     String remoteUrl,
                     String baseDir,
                     String[] allowedExtension)
              throws org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     InvalidExtensionException,
                     FileNameLengthLimitExceededException,
                     IOException

以默认配置进行文件上传

参数:

request - 当前请求

remoteUrl - 上传的文件 添加出错信息

allowedExtension - 允许上传的文件类型

返回:

抛出:

IOException

FileNameLengthLimitExceededException

InvalidExtensionException

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

remote

public String remote(javax.servlet.http.HttpServletRequest request,
                     String remoteUrl,
                     String baseDir,
                     String[] allowedExtension,
                     long maxSize,
                     boolean needDatePathAndRandomName)
              throws InvalidExtensionException,
                     org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException,
                     IOException,
                     FileNameLengthLimitExceededException

文件上传

参数:

request - 当前请求 从请求中提取 应用上下文根

baseDir - 相对应用的基目录

remoteUrl - 上传的文件

allowedExtension - 允许的文件类型 null 表示允许所有

maxSize - 最大上传的大小 -1 表示不限制

needDatePathAndRandomName - 是否需要日期目录和随机文件名前缀

返回:

返回上传成功的文件名

抛出:

InvalidExtensionException - 如果MIME类型不允许

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException - 如果超出最大大小

FileNameLengthLimitExceededException - 文件名太长

IOException - 比如读写文件出错时

extractFilename

public String extractFilename(String remoteUrl,
                              String baseDir,
                              boolean needDatePathAndRandomName)
                       throws UnsupportedEncodingException

抛出:

UnsupportedEncodingException

assertAllowed

public void assertAllowed(String remoteUrl,
                          String[] allowedExtension,
                          long maxSize)
                   throws InvalidExtensionException,
                          org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

是否允许文件上传

参数:

remoteUrl - 上传的文件

allowedExtension - 文件类型 null 表示允许所有

maxSize - 最大大小 字节为单位 -1表示不限制

抛出:

InvalidExtensionException - 如果MIME类型不允许

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException - 如果超出最大大小

extractFilename

public String extractFilename(org.springframework.web.multipart.MultipartFile file,
                              String baseDir,
                              boolean needDatePathAndRandomName)
                       throws UnsupportedEncodingException

抛出:

UnsupportedEncodingException

assertAllowed

public void assertAllowed(org.springframework.web.multipart.MultipartFile file,
                          String[] allowedExtension,
                          long maxSize)
                   throws InvalidExtensionException,
                          org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException

是否允许文件上传

参数:

file - 上传的文件

allowedExtension - 文件类型 null 表示允许所有

maxSize - 最大大小 字节为单位 -1表示不限制

抛出:

InvalidExtensionException - 如果MIME类型不允许

org.apache.commons.fileupload.FileUploadBase.FileSizeLimitExceededException - 如果超出最大大小

isAllowedExtension

public boolean isAllowedExtension(String extension,
                                  String[] allowedExtension)

判断MIME类型是否是允许的MIME类型

参数:

extension -

allowedExtension -

返回:

delete

public void delete(javax.servlet.http.HttpServletRequest request,
                   String filename)
            throws IOException

抛出:

IOException