SmartUpload 中文文件名BUG修正，中文文件名的上传下载问题解决
由于SmartUpload中文下载无法支持，反编译后，发现文件是读取了，可将中文文件附加到浏览器头的时候，出错，不提示下载，可能由于大多数IE浏览器默认是以UTF-8发送URL，所以将中文文件名转换为UTF-8可解决问题。SmartUpload.java====================================================================================// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html// Decompiler options: packimports(3) fieldsfirst ansi // Source File Name: SmartUpload.javapackage com.jspsmart.upload;import java.io.*;import java.sql.ResultSet;import java.sql.SQLException;import java.util.Vector;import javax.servlet.*;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;// Referenced classes of package com.jspsmart.upload:// Files, Request, File, SmartUploadExceptionpublic class SmartUpload{ protected byte m_binArray[]; protected HttpServletRequest m_request; protected HttpServletResponse m_response; private int m_totalBytes; private int m_currentIndex; private int m_startData; private int m_endData; private String m_boundary; private long m_totalMaxFileSize; private long m_maxFileSize; private Vector m_deniedFilesList; private Vector m_allowedFilesList; private boolean m_denyPhysicalPath; private boolean m_forcePhysicalPath; private String m_contentDisposition; public static final int SAVE_AUTO = 0; public static final int SAVE_VIRTUAL = 1; public static final int SAVE_PHYSICAL = 2; private Files m_files; private Request m_formRequest; private ServletConfig config; public final void init(ServletConfig config) throws ServletException { this.config = config; } protected final ServletConfig getServletConfig() { return config; } public SmartUpload() { m_totalBytes = 0; m_currentIndex = 0; m_startData = 0; m_endData = 0; m_boundary = new String(); m_totalMaxFileSize = 0L; m_maxFileSize = 0L; m_deniedFilesList = new Vector(); m_allowedFilesList = new Vector(); m_denyPhysicalPath = false; m_forcePhysicalPath = false; m_contentDisposition = new String(); m_files = new Files(); m_formRequest = new Request(); } public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { m_request = request; m_response = response; } public void upload() throws IOException, ServletException { int totalRead = 0; int readBytes = 0; long totalFileSize = 0L; boolean found = false; String dataHeader = new String(); String fieldName = new String(); String fileName = new String(); String fileExt = new String(); String filePathName = new String(); String contentType = new String(); String contentDisp = new String(); String typeMIME = new String(); String subTypeMIME = new String(); boolean isFile = false; m_totalBytes = m_request.getContentLength(); m_binArray = new byte; for(; totalRead < m_totalBytes; totalRead += readBytes) try { readBytes = m_request.getInputStream().read(m_binArray, totalRead, m_totalBytes - totalRead); } catch(Exception exception) { } for(; !found && m_currentIndex < m_totalBytes; m_currentIndex++) if(m_binArray == 13) found = true; else m_boundary = m_boundary + (char)m_binArray; if(m_currentIndex == 1) return; m_currentIndex++; do { if(m_currentIndex >= m_totalBytes) break; dataHeader = getDataHeader(); m_currentIndex = m_currentIndex + 2; isFile = dataHeader.indexOf("filename") > 0; fieldName = getDataFieldValue(dataHeader, "name"); if(isFile) { filePathName = getDataFieldValue(dataHeader, "filename"); fileName = getFileName(filePathName); fileExt = getFileExt(fileName); contentType = getContentType(dataHeader); contentDisp = getContentDisp(dataHeader); typeMIME = getTypeMIME(contentType); subTypeMIME = getSubTypeMIME(contentType); } getDataSection(); if(isFile && fileName.length() > 0) { if(m_deniedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is denied to be uploaded (1015)."); if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(fileExt)) throw new SecurityException("The extension of the file is not allowed to be uploaded (1010)."); if(m_maxFileSize > (long)0 && (long)((m_endData - m_startData) + 1) > m_maxFileSize) throw new SecurityException(String.valueOf((new StringBuffer("Size exceeded for this file : ")).append(fileName).append(" (1105)."))); totalFileSize += (m_endData - m_startData) + 1; if(m_totalMaxFileSize > (long)0 && totalFileSize > m_totalMaxFileSize) throw new SecurityException("Total File Size exceeded (1110)."); } if(isFile) { com.jspsmart.upload.File newFile = new com.jspsmart.upload.File(); newFile.setParent(this); newFile.setFieldName(fieldName); newFile.setFileName(fileName); newFile.setFileExt(fileExt); newFile.setFilePathName(filePathName); newFile.setIsMissing(filePathName.length() == 0); newFile.setContentType(contentType); newFile.setContentDisp(contentDisp); newFile.setTypeMIME(typeMIME); newFile.setSubTypeMIME(subTypeMIME); if(contentType.indexOf("application/x-macbinary") > 0) m_startData = m_startData + 128; newFile.setSize((m_endData - m_startData) + 1); newFile.setStartData(m_startData); newFile.setEndData(m_endData); m_files.addFile(newFile); } else { String value = new String(m_binArray, m_startData, (m_endData - m_startData) + 1); m_formRequest.putParameter(fieldName, value); } if((char)m_binArray == '-') break; m_currentIndex = m_currentIndex + 2; } while(true); } public int save(String destPathName) throws SmartUploadException, IOException, ServletException { return save(destPathName, 0); } public int save(String destPathName, int option) throws SmartUploadException, IOException, ServletException { int count = 0; if(destPathName == null) destPathName = config.getServletContext().getRealPath("/"); if(destPathName.indexOf("/") != -1) { if(destPathName.charAt(destPathName.length() - 1) != '/') destPathName = String.valueOf(destPathName).concat("/"); } else if(destPathName.charAt(destPathName.length() - 1) != '\\') destPathName = String.valueOf(destPathName).concat("\\"); for(int i = 0; i < m_files.getCount(); i++) if(!m_files.getFile(i).isMissing()) { m_files.getFile(i).saveAs(destPathName + m_files.getFile(i).getFileName(), option); count++; } return count; } public int getSize() { return m_totalBytes; } public byte getBinaryData(int index) { byte retval; try { retval = m_binArray; } catch(Exception e) { throw new ArrayIndexOutOfBoundsException("Index out of range (1005)."); } return retval; } public Files getFiles() { return m_files; } public Request getRequest() { return m_formRequest; } public void downloadFile(String sourceFilePathName) throws IOException, ServletException { downloadFile(sourceFilePathName, null, null); } public void downloadFile(String sourceFilePathName, String contentType) throws IOException, ServletException { downloadFile(sourceFilePathName, contentType, null); } public void downloadFile(String sourceFilePathName, String contentType, String destFileName) throws IOException, ServletException { downloadFile(sourceFilePathName, contentType, destFileName, 65000); } public void downloadFile(String sourceFilePathName, String contentType, String destFileName, int blockSize) throws IOException, ServletException { if(sourceFilePathName == null) throw new IllegalArgumentException(String.valueOf((new StringBuffer("File '")).append(sourceFilePathName).append("' not found (1040)."))); if(sourceFilePathName.equals("")) throw new IllegalArgumentException(String.valueOf((new StringBuffer("File '")).append(sourceFilePathName).append("' not found (1040)."))); if(!isVirtual(sourceFilePathName) && m_denyPhysicalPath) throw new SecurityException("Physical path is denied (1035)."); if(isVirtual(sourceFilePathName)) sourceFilePathName = config.getServletContext().getRealPath(sourceFilePathName); java.io.File file = new java.io.File(sourceFilePathName); FileInputStream fileIn = new FileInputStream(file); long fileLen = file.length(); int readBytes = 0; int totalRead = 0; byte b[] = new byte; if(contentType == null) m_response.setContentType("application/x-msdownload"); else if(contentType.length() == 0) m_response.setContentType("application/x-msdownload"); else m_response.setContentType(contentType); m_response.setContentLength((int)fileLen); if(destFileName == null){ m_response.addHeader("Content-Disposition", "attachment; filename="+ toUtf8String(getFileName(sourceFilePathName))); }else if(destFileName.length() == 0) m_response.addHeader("Content-Disposition", "attachment;"); else m_response.addHeader("Content-Disposition", "attachment; filename=".concat(toUtf8String(destFileName))); while((long)totalRead < fileLen) { readBytes = fileIn.read(b, 0, blockSize); totalRead += readBytes; m_response.getOutputStream().write(b, 0, readBytes); } fileIn.close(); } public void downloadField(ResultSet rs, String columnName, String contentType, String destFileName) throws SQLException, IOException, ServletException { if(rs == null) throw new IllegalArgumentException("The RecordSet cannot be null (1045)."); if(columnName == null) throw new IllegalArgumentException("The columnName cannot be null (1050)."); if(columnName.length() == 0) throw new IllegalArgumentException("The columnName cannot be empty (1055)."); byte b[] = rs.getBytes(columnName); if(contentType == null) m_response.setContentType("application/x-msdownload"); else if(contentType.length() == 0) m_response.setContentType("application/x-msdownload"); else m_response.setContentType(contentType); m_response.setContentLength(b.length); if(destFileName == null) m_response.addHeader("Content-Disposition", "attachment;"); else if(destFileName.length() == 0) m_response.addHeader("Content-Disposition", "attachment;"); else m_response.addHeader("Content-Disposition", "attachment; filename=".concat( toUtf8String(destFileName))); m_response.getOutputStream().write(b, 0, b.length); } /*** 将文件名中的汉字转为UTF8编码的串,以便下载时能正确显示另存的文件名.* @param s 原文件名* @return 重新编码后的文件名*/ public static String toUtf8String(String s) {StringBuffer sb = new StringBuffer();for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c >= 0 && c <= 255) { sb.append(c); } else { byte[] b; try { b = Character.toString(c).getBytes("UTF-8"); } catch (Exception ex) { System.out.println(ex); b = new byte; } for (int j = 0; j < b.length; j++) { int k = b; if (k < 0) k += 256; sb.append("%" + Integer.toHexString(k).toUpperCase()); } }}return sb.toString(); } public void fieldToFile(ResultSet rs, String columnName, String destFilePathName) throws SQLException, SmartUploadException, IOException, ServletException { try { if(config.getServletContext().getRealPath(destFilePathName) != null) destFilePathName = config.getServletContext().getRealPath(destFilePathName); InputStream is_data = rs.getBinaryStream(columnName); FileOutputStream file = new FileOutputStream(destFilePathName); int c; while((c = is_data.read()) != -1) file.write(c); file.close(); } catch(Exception e) { throw new SmartUploadException("Unable to save file from the DataBase (1020)."); } } private String getDataFieldValue(String dataHeader, String fieldName) { String token = new String(); String value = new String(); int pos = 0; int i = 0; int start = 0; int end = 0; token = String.valueOf((new StringBuffer(String.valueOf(fieldName))).append("=").append('"')); pos = dataHeader.indexOf(token); if(pos > 0) { i = pos + token.length(); start = i; token = "\""; end = dataHeader.indexOf(token, i); if(start > 0 && end > 0) value = dataHeader.substring(start, end); } return value; } private String getFileExt(String fileName) { String value = new String(); int start = 0; int end = 0; if(fileName == null) return null; start = fileName.lastIndexOf(46) + 1; end = fileName.length(); value = fileName.substring(start, end); if(fileName.lastIndexOf(46) > 0) return value; else return ""; } private String getContentType(String dataHeader) { String token = new String(); String value = new String(); int start = 0; int end = 0; token = "Content-Type:"; start = dataHeader.indexOf(token) + token.length(); if(start != -1) { end = dataHeader.length(); value = dataHeader.substring(start, end); } return value; } private String getTypeMIME(String ContentType) { String value = new String(); int pos = 0; pos = ContentType.indexOf("/"); if(pos != -1) return ContentType.substring(1, pos); else return ContentType; } private String getSubTypeMIME(String ContentType) { String value = new String(); int start = 0; int end = 0; start = ContentType.indexOf("/") + 1; if(start != -1) { end = ContentType.length(); return ContentType.substring(start, end); } else { return ContentType; } } private String getContentDisp(String dataHeader) { String value = new String(); int start = 0; int end = 0; start = dataHeader.indexOf(":") + 1; end = dataHeader.indexOf(";"); value = dataHeader.substring(start, end); return value; } private void getDataSection() { boolean found = false; String dataHeader = new String(); int searchPos = m_currentIndex; int keyPos = 0; int boundaryLen = m_boundary.length(); m_startData = m_currentIndex; m_endData = 0; do { if(searchPos >= m_totalBytes) break; if(m_binArray == (byte)m_boundary.charAt(keyPos)) { if(keyPos == boundaryLen - 1) { m_endData = ((searchPos - boundaryLen) + 1) - 3; break; } searchPos++; keyPos++; } else { searchPos++; keyPos = 0; } } while(true); m_currentIndex = m_endData + boundaryLen + 3; } private String getDataHeader() { int start = m_currentIndex; int end = 0; int len = 0; boolean found = false; while(!found) if(m_binArray == 13 && m_binArray == 13) { found = true; end = m_currentIndex - 1; m_currentIndex = m_currentIndex + 2; } else { m_currentIndex++; } String dataHeader = new String(m_binArray, start, (end - start) + 1); return dataHeader; } private String getFileName(String filePathName) { String token = new String(); String value = new String(); int pos = 0; int i = 0; int start = 0; int end = 0; pos = filePathName.lastIndexOf(47); if(pos != -1) return filePathName.substring(pos + 1, filePathName.length()); pos = filePathName.lastIndexOf(92); if(pos != -1) return filePathName.substring(pos + 1, filePathName.length()); else return filePathName; } public void setDeniedFilesList(String deniedFilesList) throws SQLException, IOException, ServletException { String ext = ""; if(deniedFilesList != null) { ext = ""; for(int i = 0; i < deniedFilesList.length(); i++) if(deniedFilesList.charAt(i) == ',') { if(!m_deniedFilesList.contains(ext)) m_deniedFilesList.addElement(ext); ext = ""; } else { ext = ext + deniedFilesList.charAt(i); } if(ext != "") m_deniedFilesList.addElement(ext); } else { m_deniedFilesList = null; } } public void setAllowedFilesList(String allowedFilesList) { String ext = ""; if(allowedFilesList != null) { ext = ""; for(int i = 0; i < allowedFilesList.length(); i++) if(allowedFilesList.charAt(i) == ',') { if(!m_allowedFilesList.contains(ext)) m_allowedFilesList.addElement(ext); ext = ""; } else { ext = ext + allowedFilesList.charAt(i); } if(ext != "") m_allowedFilesList.addElement(ext); } else { m_allowedFilesList = null; } } public void setDenyPhysicalPath(boolean deny) { m_denyPhysicalPath = deny; } public void setForcePhysicalPath(boolean force) { m_forcePhysicalPath = force; } public void setContentDisposition(String contentDisposition) { m_contentDisposition = contentDisposition; } public void setTotalMaxFileSize(long totalMaxFileSize) { m_totalMaxFileSize = totalMaxFileSize; } public void setMaxFileSize(long maxFileSize) { m_maxFileSize = maxFileSize; } protected String getPhysicalPath(String filePathName, int option) throws IOException { String path = new String(); String fileName = new String(); String fileSeparator = new String(); boolean isPhysical = false; fileSeparator = System.getProperty("file.separator"); if(filePathName == null) throw new IllegalArgumentException("There is no specified destination file (1140)."); if(filePathName.equals("")) throw new IllegalArgumentException("There is no specified destination file (1140)."); if(filePathName.lastIndexOf("\\") >= 0) { path = filePathName.substring(0, filePathName.lastIndexOf("\\")); fileName = filePathName.substring(filePathName.lastIndexOf("\\") + 1); } if(filePathName.lastIndexOf("/") >= 0) { path = filePathName.substring(0, filePathName.lastIndexOf("/")); fileName = filePathName.substring(filePathName.lastIndexOf("/") + 1); } path = path.length() != 0 ? path : "/"; java.io.File physicalPath = new java.io.File(path); if(physicalPath.exists()) isPhysical = true; if(option == 0) { if(isVirtual(path)) { path = config.getServletContext().getRealPath(path); if(path.endsWith(fileSeparator)) path = path + fileName; else path = String.valueOf((new StringBuffer(String.valueOf(path))).append(fileSeparator).append(fileName)); return path; } if(isPhysical) { if(m_denyPhysicalPath) throw new IllegalArgumentException("Physical path is denied (1125)."); else return filePathName; } else { throw new IllegalArgumentException("This path does not exist (1135)."); } } if(option == 1) { if(isVirtual(path)) { path = config.getServletContext().getRealPath(path); if(path.endsWith(fileSeparator)) path = path + fileName; else path = String.valueOf((new StringBuffer(String.valueOf(path))).append(fileSeparator).append(fileName)); return path; } if(isPhysical) throw new IllegalArgumentException("The path is not a virtual path."); else throw new IllegalArgumentException("This path does not exist (1135)."); } if(option == 2) { if(isPhysical) if(m_denyPhysicalPath) throw new IllegalArgumentException("Physical path is denied (1125)."); else return filePathName; if(isVirtual(path)) throw new IllegalArgumentException("The path is not a physical path."); else throw new IllegalArgumentException("This path does not exist (1135)."); } else { return null; } } public void uploadInFile(String destFilePathName) throws SmartUploadException, IOException { int intsize = 0; int pos = 0; int readBytes = 0; if(destFilePathName == null) throw new IllegalArgumentException("There is no specified destination file (1025)."); if(destFilePathName.length() == 0) throw new IllegalArgumentException("There is no specified destination file (1025)."); if(!isVirtual(destFilePathName) && m_denyPhysicalPath) throw new SecurityException("Physical path is denied (1035)."); intsize = m_request.getContentLength(); m_binArray = new byte; for(; pos < intsize; pos += readBytes) try { readBytes = m_request.getInputStream().read(m_binArray, pos, intsize - pos); } catch(Exception exception) { } if(isVirtual(destFilePathName)) destFilePathName = config.getServletContext().getRealPath(destFilePathName); try { java.io.File file = new java.io.File(destFilePathName); file.createNewFile(); FileOutputStream fileOut = new FileOutputStream(file); fileOut.write(m_binArray); fileOut.close(); } catch(Exception e) { throw new SmartUploadException("The Form cannot be saved in the specified file (1030)."); } } private boolean isVirtual(String pathName) { if(config.getServletContext().getRealPath(pathName) != null) { java.io.File virtualFile = new java.io.File(config.getServletContext().getRealPath(pathName)); return virtualFile.exists(); } else { return false; } }} 本文转载，转自http://blog.csdn.net/netsniffer/archive/2004/11/11/176652.aspx
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