smartupload.java

页面抓取新闻并自动生成网页的代码 有兴趣的可以看看,很有意思的东西

   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(46) + 1;
  j = s.length();
  s1 = s.substring(i, j);
  if (s.lastIndexOf(46) > 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;
  while (i < m_totalBytes)
   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;
   }
  m_currentIndex = m_endData + k + 3;
 }

 private String getDataHeader() {
  int i = m_currentIndex;
  int j = 0;
  boolean flag = false;
  for (boolean flag1 = false; !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 = new String(m_binArray, i, (j - i) + 1);
  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(47);
  if (i != -1)
   return s.substring(i + 1, s.length());
  i = s.lastIndexOf(92);
  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;
  }
 }
}