com.centit.fileserver.utils

类 UploadDownloadUtils

java.lang.Object

com.centit.fileserver.utils.UploadDownloadUtils

public abstract class UploadDownloadUtils
extends Object

Created by codefan on 17-7-19.

作者:

codefan

构造器概要

构造器

构造器和说明
UploadDownloadUtils()

方法概要

限定符和类型	方法和说明
static com.alibaba.fastjson2.JSONObject	checkFileRange(com.centit.fileserver.common.FileStore fileStore, com.centit.fileserver.common.FileBaseInfo fileInfo, long size)
static com.centit.fileserver.po.FileInfo	createFileBaseInfo(javax.servlet.http.HttpServletRequest request)
static com.centit.fileserver.po.FileInfo	createFileBaseInfo(javax.servlet.http.HttpServletRequest request, String fileMd5, long fileSize)
static com.centit.fileserver.po.FileInfo	createFileBaseInfo(String fileIdIncludeMd5AndSize)
static void	downFileRange(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, InputStream inputStream, long fSize, String fileName, String downloadType, String charset)
static void	downloadFile(InputStream downloadFile, String fileName, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
static void	downloadFile(InputStream downloadFile, String fileName, javax.servlet.http.HttpServletResponse response)
static String	encodeDownloadFilename(String paramName)
static String	encodeDownloadFilename(String paramName, String downloadType)
static String	encodeFileName(String fileName, String characterEncoding)
static org.apache.commons.lang3.tuple.Pair<String,InputStream>	fetchInputStreamFromMultipartResolver(javax.servlet.http.HttpServletRequest request)
static org.apache.commons.lang3.tuple.Pair<String,InputStream>	fetchInputStreamFromRequest(javax.servlet.http.HttpServletRequest request) 已过时。 使用 fetchInputStreamFromRequest(HttpServletRequest, boolean) 替代
static org.apache.commons.lang3.tuple.Pair<String,InputStream>	fetchInputStreamFromRequest(javax.servlet.http.HttpServletRequest request, boolean useCommonsReolver) 从请求中获取输入流 注意：返回的 InputStream 需要调用者负责关闭
static org.apache.commons.lang3.tuple.Pair<String,InputStream>	fetchInputStreamFromStandardResolver(javax.servlet.http.HttpServletRequest request)
static com.alibaba.fastjson2.JSONObject	makeRangeCheckJson(long rangeFileSize, String fileMd5, boolean hasStored)
static com.alibaba.fastjson2.JSONObject	makeRangeUploadCompleteJson(long fileSize, Object fileInfo, String message)
static com.alibaba.fastjson2.JSONObject	makeRangeUploadCompleteJson(String fileMd5, long fileSize, String fileName, String fileId, String message)
static com.alibaba.fastjson2.JSONObject	makeRangeUploadJson(long rangeFileSize, String fileMd5, String fileName)
static long	uploadRange(String tempFilePath, InputStream fileInputStream, String token, long size, javax.servlet.http.HttpServletRequest request) 上传文件片段 注意：如果文件MD5计算失败，临时文件会被删除

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

UploadDownloadUtils

public UploadDownloadUtils()

方法详细资料

checkFileRange

public static com.alibaba.fastjson2.JSONObject checkFileRange(com.centit.fileserver.common.FileStore fileStore,
                                                              com.centit.fileserver.common.FileBaseInfo fileInfo,
                                                              long size)

fetchInputStreamFromRequest

public static org.apache.commons.lang3.tuple.Pair<String,InputStream> fetchInputStreamFromRequest(javax.servlet.http.HttpServletRequest request,
                                                                                                  boolean useCommonsReolver)
                                                                                           throws IOException

从请求中获取输入流 注意：返回的 InputStream 需要调用者负责关闭

参数:

request - HttpServletRequest

useCommonsReolver - 是否使用 CommonsMultipartResolver

抛出:

IOException - IOException

fetchInputStreamFromMultipartResolver

public static org.apache.commons.lang3.tuple.Pair<String,InputStream> fetchInputStreamFromMultipartResolver(javax.servlet.http.HttpServletRequest request)
                                                                                                     throws IOException

抛出:

IOException

fetchInputStreamFromStandardResolver

public static org.apache.commons.lang3.tuple.Pair<String,InputStream> fetchInputStreamFromStandardResolver(javax.servlet.http.HttpServletRequest request)
                                                                                                    throws IOException

抛出:

IOException

fetchInputStreamFromRequest

@Deprecated
public static org.apache.commons.lang3.tuple.Pair<String,InputStream> fetchInputStreamFromRequest(javax.servlet.http.HttpServletRequest request)
                                                                                                        throws IOException,
                                                                                                               org.apache.commons.fileupload.FileUploadException

已过时。 使用 fetchInputStreamFromRequest(HttpServletRequest, boolean) 替代

从请求中获取输入流（已弃用，建议使用 fetchInputStreamFromRequest(HttpServletRequest, boolean)） 注意：返回的 InputStream 需要调用者负责关闭

参数:

request - HttpServletRequest

抛出:

IOException - IOException

org.apache.commons.fileupload.FileUploadException - FileUploadException

encodeDownloadFilename

public static String encodeDownloadFilename(String paramName)

encodeDownloadFilename

public static String encodeDownloadFilename(String paramName,
                                            String downloadType)

downFileRange

public static void downFileRange(javax.servlet.http.HttpServletRequest request,
                                 javax.servlet.http.HttpServletResponse response,
                                 InputStream inputStream,
                                 long fSize,
                                 String fileName,
                                 String downloadType,
                                 String charset)
                          throws IOException

参数:

request - HttpServletRequest

response - HttpServletResponse

inputStream - InputStream

fSize - long

fileName - fileName

downloadType - 下载方式

charset - 编码

抛出:

IOException - IOException

uploadRange

public static long uploadRange(String tempFilePath,
                               InputStream fileInputStream,
                               String token,
                               long size,
                               javax.servlet.http.HttpServletRequest request)
                        throws IOException,
                               com.centit.support.common.ObjectException

上传文件片段 注意：如果文件MD5计算失败，临时文件会被删除

参数:

tempFilePath - 需要保存的临时文件路径

fileInputStream - 文件输入流

token - 文件MD5

size - 文件大小

request - HttpServletRequest

返回:

long 0 complete < 0 error > 0 completeSize rangecomplete

抛出:

IOException - IOException

com.centit.support.common.ObjectException - ObjectException

makeRangeCheckJson

public static com.alibaba.fastjson2.JSONObject makeRangeCheckJson(long rangeFileSize,
                                                                  String fileMd5,
                                                                  boolean hasStored)

makeRangeUploadJson

public static com.alibaba.fastjson2.JSONObject makeRangeUploadJson(long rangeFileSize,
                                                                   String fileMd5,
                                                                   String fileName)

makeRangeUploadCompleteJson

public static com.alibaba.fastjson2.JSONObject makeRangeUploadCompleteJson(long fileSize,
                                                                           Object fileInfo,
                                                                           String message)

makeRangeUploadCompleteJson

public static com.alibaba.fastjson2.JSONObject makeRangeUploadCompleteJson(String fileMd5,
                                                                           long fileSize,
                                                                           String fileName,
                                                                           String fileId,
                                                                           String message)

encodeFileName

public static String encodeFileName(String fileName,
                                    String characterEncoding)

downloadFile

public static void downloadFile(InputStream downloadFile,
                                String fileName,
                                javax.servlet.http.HttpServletResponse response)
                         throws IOException

抛出:

IOException

downloadFile

public static void downloadFile(InputStream downloadFile,
                                String fileName,
                                javax.servlet.http.HttpServletRequest request,
                                javax.servlet.http.HttpServletResponse response)
                         throws IOException

抛出:

IOException

createFileBaseInfo

public static com.centit.fileserver.po.FileInfo createFileBaseInfo(javax.servlet.http.HttpServletRequest request)

createFileBaseInfo

public static com.centit.fileserver.po.FileInfo createFileBaseInfo(javax.servlet.http.HttpServletRequest request,
                                                                   String fileMd5,
                                                                   long fileSize)

createFileBaseInfo

public static com.centit.fileserver.po.FileInfo createFileBaseInfo(String fileIdIncludeMd5AndSize)