smartupload支持UTF-8编码

smartupload上传组件功能很强大，但官方的源码不支持UTF-8编码，导致该组件集成到项目中时，如果jsp采用utf-8编码，在服务端得到的中文名是乱码，以下代码经过修改之后，支持UTF-8编码，也可以通过setChartName("UTF-8")设置编码。

package com.jspsmart.upload; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Vector; import javax.servlet.ServletConfig; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import javax.servlet.jsp.JspWriter; import javax.servlet.jsp.PageContext; // Referenced classes of package com.jspsmart.upload: // Files, Request, SmartUploadException, File public class SmartUpload { protected byte m_binArray[]; protected HttpServletRequest m_request; protected HttpServletResponse m_response; protected ServletContext m_application; 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 String chartName="UTF-8"; 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 final void init(ServletConfig servletconfig) throws ServletException { m_application = servletconfig.getServletContext(); } public void service(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws ServletException, IOException { m_request = httpservletrequest; m_response = httpservletresponse; } public final void initialize(ServletConfig servletconfig, HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws ServletException { m_application = servletconfig.getServletContext(); m_request = httpservletrequest; m_response = httpservletresponse; } public final void initialize(PageContext pagecontext) throws ServletException { m_application = pagecontext.getServletContext(); m_request = (HttpServletRequest)pagecontext.getRequest(); m_response = (HttpServletResponse)pagecontext.getResponse(); } public final void initialize(ServletContext servletcontext, HttpSession httpsession, HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, JspWriter jspwriter) throws ServletException { m_application = servletcontext; m_request = httpservletrequest; m_response = httpservletresponse; } public void upload() throws ServletException, IOException, SmartUploadException { int i = 0; boolean flag = false; long l = 0L; boolean flag1 = false; String s = new String(); String s2 = new String(); String s4 = new String(); String s5 = new String(); String s6 = new String(); String s7 = new String(); String s8 = new String(); String s9 = new String(); String s10 = new String(); boolean flag2 = false; m_totalBytes = m_request.getContentLength(); m_binArray = new byte[m_totalBytes]; int j; for(; i < m_totalBytes; i += j) { try { m_request.getInputStream(); j = m_request.getInputStream().read(m_binArray, i, m_totalBytes - i); } catch(Exception exception) { throw new SmartUploadException("Unable to upload."); } } for(; !flag1 && m_currentIndex < m_totalBytes; m_currentIndex++) { if(m_binArray[m_currentIndex] == 13) { flag1 = true; } else { m_boundary = m_boundary + (char)m_binArray[m_currentIndex]; } } if(m_currentIndex == 1) { return; } m_currentIndex++; do { if(m_currentIndex >= m_totalBytes) { break; } String s1 = getDataHeader(); m_currentIndex = m_currentIndex + 2; boolean flag3 = s1.indexOf("filename") > 0; String s3 = getDataFieldValue(s1, "name"); if(flag3) { s6 = getDataFieldValue(s1, "filename"); s4 = getFileName(s6); s5 = getFileExt(s4); s7 = getContentType(s1); s8 = getContentDisp(s1); s9 = getTypeMIME(s7); s10 = getSubTypeMIME(s7); } getDataSection(); if(flag3 && s4.length() > 0) { if(m_deniedFilesList.contains(s5)) { throw new SecurityException("The extension of the file is denied to be uploaded (1015)."); } if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(s5)) { throw new SecurityException("The extension of the file is not allowed to be uploaded (1010)."); } if(m_maxFileSize > 0L && (long)((m_endData - m_startData) + 1) > m_maxFileSize) { throw new SecurityException("Size exceeded for this file : " + s4 + " (1105)."); } l += (m_endData - m_startData) + 1; if(m_totalMaxFileSize > 0L && l > m_totalMaxFileSize) { throw new SecurityException("Total File Size exceeded (1110)."); } } if(flag3) { com.jspsmart.upload.File file = new com.jspsmart.upload.File(); file.setParent(this); file.setFieldName(s3); file.setFileName(s4); file.setFileExt(s5); file.setFilePathName(s6); file.setIsMissing(s6.length() == 0); file.setContentType(s7); file.setContentDisp(s8); file.setTypeMIME(s9); file.setSubTypeMIME(s10); if(s7.indexOf("application/x-macbinary") > 0) { m_startData = m_startData + 128; } file.setSize((m_endData - m_startData) + 1); file.setStartData(m_startData); file.setEndData(m_endData); m_files.addFile(file); } else { String s11 = new String(m_binArray, m_startData, (m_endData - m_startData) + 1,chartName); m_formRequest.putParameter(s3, s11); } if((char)m_binArray[m_currentIndex + 1] == '-') { break; } m_currentIndex = m_currentIndex + 2; } while(true); } public int save(String s) throws ServletException, IOException, SmartUploadException { return save(s, 0); } public int save(String s, int i) throws ServletException, IOException, SmartUploadException { int j = 0; if(s == null) { s = m_application.getRealPath("/"); } if(s.indexOf("/") != -1) { if(s.charAt(s.length() - 1) != '/') { s = s + "/"; } } else if(s.charAt(s.length() - 1) != '//') { s = s + "//"; } for(int k = 0; k < m_files.getCount(); k++) { if(!m_files.getFile(k).isMissing()) { m_files.getFile(k).saveAs(s + m_files.getFile(k).getFileName(), i); j++; } } return j; } public int getSize() { return m_totalBytes; } public byte getBinaryData(int i) { byte byte0; try { byte0 = m_binArray[i]; } catch(Exception exception) { throw new ArrayIndexOutOfBoundsException("Index out of range (1005)."); } return byte0; } public Files getFiles() { return m_files; } public Request getRequest() { return m_formRequest; } public void downloadFile(String s) throws ServletException, IOException, SmartUploadException { downloadFile(s, null, null); } public void downloadFile(String s, String s1) throws ServletException, IOException, SmartUploadException, SmartUploadException { downloadFile(s, s1, null); } public void downloadFile(String s, String s1, String s2) throws ServletException, IOException, SmartUploadException { downloadFile(s, s1, s2, 65000); } public void downloadFile(String s, String s1, String s2, int i) throws ServletException, IOException, SmartUploadException { if(s == null) { throw new IllegalArgumentException("File '" + s + "' not found (1040)."); } if(s.equals("")) { throw new IllegalArgumentException("File '" + s + "' not found (1040)."); } if(!isVirtual(s) && m_denyPhysicalPath) { throw new SecurityException("Physical path is denied (1035)."); } if(isVirtual(s)) { s = m_application.getRealPath(s); } java.io.File file = new java.io.File(s); FileInputStream fileinputstream = new FileInputStream(file); long l = file.length(); boolean flag = false; int k = 0; byte abyte0[] = new byte[i]; if(s1 == null) { m_response.setContentType("application/x-msdownload"); } else if(s1.length() == 0) { m_response.setContentType("application/x-msdownload"); } else { m_response.setContentType(s1); } m_response.setContentLength((int)l); m_contentDisposition = m_contentDisposition == null ? "attachment;" : m_contentDisposition; if(s2 == null) { m_response.setHeader("Content-Disposition", m_contentDisposition + " filename=" + toUtf8String(getFileName(s))); } else if(s2.length() == 0) { m_response.setHeader("Content-Disposition", m_contentDisposition); } else { m_response.setHeader("Content-Disposition", m_contentDisposition + " filename=" + toUtf8String(s2)); } while((long)k < l) { int j = fileinputstream.read(abyte0, 0, i); k += j; m_response.getOutputStream().write(abyte0, 0, j); } fileinputstream.close(); } public String toUtf8String(String s) { StringBuffer sb = new StringBuffer(); label0: for(int i = 0; i < s.length(); i++) { char c = s.charAt(i); if(c >= 0 && c <= '/377') { sb.append(c); continue; } byte b[]; try { b = Character.toString(c).getBytes("utf-8"); } catch(Exception ex) { System.out.println(ex); b = new byte[0]; } int j = 0; do { if(j >= b.length) { continue label0; } int k = b[j]; if(k < 0) { k += 256; } sb.append("%" + Integer.toHexString(k).toUpperCase()); j++; } while(true); } return sb.toString(); } public void downloadField(ResultSet resultset, String s, String s1, String s2) throws ServletException, IOException, SQLException { if(resultset == null) { throw new IllegalArgumentException("The RecordSet cannot be null (1045)."); } if(s == null) { throw new IllegalArgumentException("The columnName cannot be null (1050)."); } if(s.length() == 0) { throw new IllegalArgumentException("The columnName cannot be empty (1055)."); } byte abyte0[] = resultset.getBytes(s); if(s1 == null) { m_response.setContentType("application/x-msdownload"); } else if(s1.length() == 0) { m_response.setContentType("application/x-msdownload"); } else { m_response.setContentType(s1); } m_response.setContentLength(abyte0.length); if(s2 == null) { m_response.setHeader("Content-Disposition", "attachment;"); } else if(s2.length() == 0) { m_response.setHeader("Content-Disposition", "attachment;"); } else { m_response.setHeader("Content-Disposition", "attachment; filename=" + s2); } m_response.getOutputStream().write(abyte0, 0, abyte0.length); } public void fieldToFile(ResultSet resultset, String s, String s1) throws ServletException, IOException, SmartUploadException, SQLException { try { if(m_application.getRealPath(s1) != null) { s1 = m_application.getRealPath(s1); } InputStream inputstream = resultset.getBinaryStream(s); FileOutputStream fileoutputstream = new FileOutputStream(s1); int i; while((i = inputstream.read()) != -1) { fileoutputstream.write(i); } fileoutputstream.close(); } catch(Exception exception) { throw new SmartUploadException("Unable to save file from the DataBase (1020)."); } } private String getDataFieldValue(String s, String s1) { String s2 = new String(); String s3 = new String(); int i = 0; boolean flag = false; boolean flag1 = false; boolean flag2 = false; s2 = s1 + "=" + '"'; i = s.indexOf(s2); if(i > 0) { int j = i + s2.length(); int k = j; s2 = "/""; int l = s.indexOf(s2, j); if(k > 0 && l > 0) { s3 = s.substring(k, l); } } return s3; } private String getFileExt(String s) { String s1 = new String(); int i = 0; int j = 0; if(s == null) { return null; } i = s.lastIndexOf('.') + 1; j = s.length(); s1 = s.substring(i, j); if(s.lastIndexOf('.') > 0) { return s1; } else { return ""; } } private String getContentType(String s) { String s1 = new String(); String s2 = new String(); int i = 0; boolean flag = false; s1 = "Content-Type:"; i = s.indexOf(s1) + s1.length(); if(i != -1) { int j = s.length(); s2 = s.substring(i, j); } return s2; } private String getTypeMIME(String s) { String s1 = new String(); int i = 0; i = s.indexOf("/"); if(i != -1) { return s.substring(1, i); } else { return s; } } private String getSubTypeMIME(String s) { String s1 = new String(); int i = 0; boolean flag = false; i = s.indexOf("/") + 1; if(i != -1) { int j = s.length(); return s.substring(i, j); } else { return s; } } private String getContentDisp(String s) { String s1 = new String(); int i = 0; int j = 0; i = s.indexOf(":") + 1; j = s.indexOf(";"); s1 = s.substring(i, j); return s1; } private void getDataSection() { boolean flag = false; String s = new String(); int i = m_currentIndex; int j = 0; int k = m_boundary.length(); m_startData = m_currentIndex; m_endData = 0; do { if(i >= m_totalBytes) { break; } if(m_binArray[i] == (byte)m_boundary.charAt(j)) { if(j == k - 1) { m_endData = ((i - k) + 1) - 3; break; } i++; j++; } else { i++; j = 0; } } while(true); m_currentIndex = m_endData + k + 3; } private String getDataHeader() { int i = m_currentIndex; int j = 0; boolean flag = false; boolean flag1 = false; while(!flag1) { if(m_binArray[m_currentIndex] == 13 && m_binArray[m_currentIndex + 2] == 13) { flag1 = true; j = m_currentIndex - 1; m_currentIndex = m_currentIndex + 2; } else { m_currentIndex++; } } String s=null; try { s = new String(m_binArray, i, (j - i) + 1,chartName); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } return s; } private String getFileName(String s) { String s1 = new String(); String s2 = new String(); int i = 0; boolean flag = false; boolean flag1 = false; boolean flag2 = false; i = s.lastIndexOf('/'); if(i != -1) { return s.substring(i + 1, s.length()); } i = s.lastIndexOf('//'); if(i != -1) { return s.substring(i + 1, s.length()); } else { return s; } } public void setDeniedFilesList(String s) throws ServletException, IOException, SQLException { String s1 = ""; if(s != null) { String s2 = ""; for(int i = 0; i < s.length(); i++) { if(s.charAt(i) == ',') { if(!m_deniedFilesList.contains(s2)) { m_deniedFilesList.addElement(s2); } s2 = ""; } else { s2 = s2 + s.charAt(i); } } if(s2 != "") { m_deniedFilesList.addElement(s2); } } else { m_deniedFilesList = null; } } public void setAllowedFilesList(String s) { String s1 = ""; if(s != null) { String s2 = ""; for(int i = 0; i < s.length(); i++) { if(s.charAt(i) == ',') { if(!m_allowedFilesList.contains(s2)) { m_allowedFilesList.addElement(s2); } s2 = ""; } else { s2 = s2 + s.charAt(i); } } if(s2 != "") { m_allowedFilesList.addElement(s2); } } else { m_allowedFilesList = null; } } public void setDenyPhysicalPath(boolean flag) { m_denyPhysicalPath = flag; } public void setForcePhysicalPath(boolean flag) { m_forcePhysicalPath = flag; } public void setContentDisposition(String s) { m_contentDisposition = s; } public void setTotalMaxFileSize(long l) { m_totalMaxFileSize = l; } public void setMaxFileSize(long l) { m_maxFileSize = l; } protected String getPhysicalPath(String s, int i) throws IOException { String s1 = new String(); String s2 = new String(); String s3 = new String(); boolean flag = false; s3 = System.getProperty("file.separator"); if(s == null) { throw new IllegalArgumentException("There is no specified destination file (1140)."); } if(s.equals("")) { throw new IllegalArgumentException("There is no specified destination file (1140)."); } if(s.lastIndexOf("//") >= 0) { s1 = s.substring(0, s.lastIndexOf("//")); s2 = s.substring(s.lastIndexOf("//") + 1); } if(s.lastIndexOf("/") >= 0) { s1 = s.substring(0, s.lastIndexOf("/")); s2 = s.substring(s.lastIndexOf("/") + 1); } s1 = s1.length() == 0 ? "/" : s1; java.io.File file = new java.io.File(s1); if(file.exists()) { flag = true; } if(i == 0) { if(isVirtual(s1)) { s1 = m_application.getRealPath(s1); if(s1.endsWith(s3)) { s1 = s1 + s2; } else { s1 = s1 + s3 + s2; } return s1; } if(flag) { if(m_denyPhysicalPath) { throw new IllegalArgumentException("Physical path is denied (1125)."); } else { return s; } } else { throw new IllegalArgumentException("This path does not exist (1135)."); } } if(i == 1) { if(isVirtual(s1)) { s1 = m_application.getRealPath(s1); if(s1.endsWith(s3)) { s1 = s1 + s2; } else { s1 = s1 + s3 + s2; } return s1; } if(flag) { throw new IllegalArgumentException("The path is not a virtual path."); } else { throw new IllegalArgumentException("This path does not exist (1135)."); } } if(i == 2) { if(flag) { if(m_denyPhysicalPath) { throw new IllegalArgumentException("Physical path is denied (1125)."); } else { return s; } } if(isVirtual(s1)) { 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 s) throws IOException, SmartUploadException { int i = 0; int j = 0; boolean flag = false; if(s == null) { throw new IllegalArgumentException("There is no specified destination file (1025)."); } if(s.length() == 0) { throw new IllegalArgumentException("There is no specified destination file (1025)."); } if(!isVirtual(s) && m_denyPhysicalPath) { throw new SecurityException("Physical path is denied (1035)."); } i = m_request.getContentLength(); m_binArray = new byte[i]; int k; for(; j < i; j += k) { try { k = m_request.getInputStream().read(m_binArray, j, i - j); } catch(Exception exception) { throw new SmartUploadException("Unable to upload."); } } if(isVirtual(s)) { s = m_application.getRealPath(s); } try { java.io.File file = new java.io.File(s); FileOutputStream fileoutputstream = new FileOutputStream(file); fileoutputstream.write(m_binArray); fileoutputstream.close(); } catch(Exception exception1) { throw new SmartUploadException("The Form cannot be saved in the specified file (1030)."); } } private boolean isVirtual(String s) { if(m_application.getRealPath(s) != null) { java.io.File file = new java.io.File(m_application.getRealPath(s)); return file.exists(); } else { return false; } } /** * @return the chartName */ public String getChartName() { return chartName; } /** * @param chartName the chartName to set */ public void setChartName(String chartName) { this.chartName = chartName; } }