public Hashtable processData(
ServletInputStream is, String boundary, String saveInDir, int clength)
throws IllegalArgumentException, IOException {
if (is == null) throw new IllegalArgumentException("InputStream");
if (boundary == null || boundary.trim().length() < 1)
throw new IllegalArgumentException("\"" + boundary + "\" is an illegal boundary indicator");
boundary = "--" + boundary;
StringTokenizer stLine = null, stFields = null;
FileInfo fileInfo = null;
Hashtable dataTable = new Hashtable(5);
String line = null, field = null, paramName = null;
boolean saveFiles = (saveInDir != null && saveInDir.trim().length() > 0);
boolean isFile = false;
if (saveFiles) { // Create the required directory (including parent dirs)
File f = new File(saveInDir);
f.mkdirs();
}
line = getLine(is);
if (line == null || !line.startsWith(boundary))
throw new IOException("Boundary not found; boundary = " + boundary + ", line = " + line);
while (line != null) {
if (line == null || !line.startsWith(boundary)) return dataTable;
line = getLine(is);
if (line == null) return dataTable;
stLine = new StringTokenizer(line, ";\r\n");
if (stLine.countTokens() < 2) throw new IllegalArgumentException("Bad data in second line");
line = stLine.nextToken().toLowerCase();
if (line.indexOf("form-data") < 0)
throw new IllegalArgumentException("Bad data in second line");
stFields = new StringTokenizer(stLine.nextToken(), "=\"");
if (stFields.countTokens() < 2)
throw new IllegalArgumentException("Bad data in second line");
fileInfo = new FileInfo();
stFields.nextToken();
paramName = stFields.nextToken();
isFile = false;
if (stLine.hasMoreTokens()) {
field = stLine.nextToken();
stFields = new StringTokenizer(field, "=\"");
if (stFields.countTokens() > 1) {
if (stFields.nextToken().trim().equalsIgnoreCase("filename")) {
fileInfo.name = paramName;
String value = stFields.nextToken();
if (value != null && value.trim().length() > 0) {
fileInfo.clientFileName = value;
isFile = true;
} else {
line = getLine(is); // Skip "Content-Type:" line
line = getLine(is); // Skip blank line
line = getLine(is); // Skip blank line
line = getLine(is); // Position to boundary line
continue;
}
}
} else if (field.toLowerCase().indexOf("filename") >= 0) {
line = getLine(is); // Skip "Content-Type:" line
line = getLine(is); // Skip blank line
line = getLine(is); // Skip blank line
line = getLine(is); // Position to boundary line
continue;
}
}
boolean skipBlankLine = true;
if (isFile) {
line = getLine(is);
if (line == null) return dataTable;
if (line.trim().length() < 1) skipBlankLine = false;
else {
stLine = new StringTokenizer(line, ": ");
if (stLine.countTokens() < 2)
throw new IllegalArgumentException("Bad data in third line");
stLine.nextToken(); // Content-Type
fileInfo.fileContentType = stLine.nextToken();
}
}
if (skipBlankLine) {
line = getLine(is);
if (line == null) return dataTable;
}
if (!isFile) {
line = getLine(is);
if (line == null) return dataTable;
dataTable.put(paramName, line);
// If parameter is dir, change saveInDir to dir
if (paramName.equals("dir")) saveInDir = line;
line = getLine(is);
continue;
}
try {
UplInfo uplInfo = new UplInfo(clength);
UploadMonitor.set(fileInfo.clientFileName, uplInfo);
OutputStream os = null;
String path = null;
if (saveFiles)
os = new FileOutputStream(path = getFileName(saveInDir, fileInfo.clientFileName));
else os = new ByteArrayOutputStream(ONE_MB);
boolean readingContent = true;
byte previousLine[] = new byte[2 * ONE_MB];
byte temp[] = null;
byte currentLine[] = new byte[2 * ONE_MB];
int read, read3;
if ((read = is.readLine(previousLine, 0, previousLine.length)) == -1) {
line = null;
break;
}
while (readingContent) {
if ((read3 = is.readLine(currentLine, 0, currentLine.length)) == -1) {
line = null;
uplInfo.aborted = true;
break;
}
if (compareBoundary(boundary, currentLine)) {
os.write(previousLine, 0, read - 2);
line = new String(currentLine, 0, read3);
break;
} else {
os.write(previousLine, 0, read);
uplInfo.currSize += read;
temp = currentLine;
currentLine = previousLine;
previousLine = temp;
read = read3;
} // end else
} // end while
os.flush();
os.close();
if (!saveFiles) {
ByteArrayOutputStream baos = (ByteArrayOutputStream) os;
fileInfo.setFileContents(baos.toByteArray());
} else fileInfo.file = new File(path);
dataTable.put(paramName, fileInfo);
uplInfo.currSize = uplInfo.totalSize;
} // end try
catch (IOException e) {
throw e;
}
}
return dataTable;
}
