// fix for 4720897
// if the jar file resides in a war file, download it to a temp dir
// so it can be used to generate jardiff
private String getRealPath(String path) throws IOException {
URL fileURL = _servletContext.getResource(path);
File tempDir = (File) _servletContext.getAttribute("javax.servlet.context.tempdir");
// download file into temp dir
if (fileURL != null) {
File newFile = File.createTempFile("temp", ".jar", tempDir);
if (download(fileURL, newFile)) {
String filePath = newFile.getPath();
return filePath;
}
}
return null;
}
/**
* This method handles PUT requests from the client. PUT requests will come from the applet
* portion of this application and are the way that images and other files can be posted to the
* server.
*
* @param request the HTTP request object
* @param response the HTTP response object
* @exception ServletException
* @exception IOException
*/
public void doPut(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
/*
* The Scan applet will zip all the files together to create a
* faster upload and to use just one server connection.
*/
ZipInputStream in = new ZipInputStream(request.getInputStream());
/*
* This will write all the files to a directory on the server.
*/
try {
try {
File file = new File("scan");
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream(file));
document.open();
String fileSize = null;
while (true) {
ZipEntry entry = in.getNextEntry();
if (entry == null) {
break;
}
File f = File.createTempFile("translate", entry.getName());
FileOutputStream out = new FileOutputStream(f);
FileInputStream inStream = null;
try {
int read;
byte[] buf = new byte[2024];
while ((read = in.read(buf)) > 0) {
out.write(buf, 0, read);
}
out.close();
inStream = new FileInputStream(f);
System.out.println(entry.getSize());
byte[] b = new byte[inStream.available()];
inStream.read(b);
System.out.println(b.length);
com.itextpdf.text.Image image1 = com.itextpdf.text.Image.getInstance(b);
image1.scalePercent(30);
image1.setCompressionLevel(9);
document.add(image1);
} finally {
}
}
document.close();
// fileSize = CommonUtils.getFileSize(file);
// DocumentStoreLogDAO documentStoreLogDAO = new DocumentStoreLogDAO();
// DocumentStoreLog documentStoreLog = null;
// DocumentStoreLog documentStore =
// (DocumentStoreLog)session.getAttribute(CommonConstants.DOCUMENT_STORE_LOG);
// if(null != documentStore) {
// documentStore.setFileSize(fileSize);
// }
// Transaction tx = documentStoreLogDAO.getSession().getTransaction();
// tx.begin();
// documentStoreLogDAO.save(documentStore);
// tx.commit();
} catch (ZipException ze) {
/*
* We want to catch each sip exception separately because
* there is a possibility that we can read more files from
* the archive even if one of them is corrupted.
*/
ze.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
in.close();
}
/*
* Now that we have finished uploading the files
* we will send a reponse to the server indicating
* our success.
*/
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println("<html><head><title>ImageSrv</title></head></html>");
out.flush();
out.close();
response.setStatus(HttpServletResponse.SC_OK);
}
private File generateJarDiff(
ResourceCatalog catalog,
DownloadRequest dreq,
JnlpResource res,
boolean doJarDiffWorkAround) {
boolean del_old = false;
boolean del_new = false;
// Lookup up file for request version
DownloadRequest fromDreq = dreq.getFromDownloadRequest();
try {
JnlpResource fromRes = catalog.lookupResource(fromDreq);
/* Get file locations */
String newFilePath = _servletContext.getRealPath(res.getPath());
String oldFilePath = _servletContext.getRealPath(fromRes.getPath());
// fix for 4720897
if (newFilePath == null) {
newFilePath = getRealPath(res.getPath());
if (newFilePath != null) del_new = true;
}
if (oldFilePath == null) {
oldFilePath = getRealPath(fromRes.getPath());
if (oldFilePath != null) del_old = true;
}
if (newFilePath == null || oldFilePath == null) {
return null;
}
// Create temp. file to store JarDiff file in
File tempDir = (File) _servletContext.getAttribute("javax.servlet.context.tempdir");
// fix for 4653036: JarDiffHandler() should use javax.servlet.context.tempdir to store the
// jardiff
File outputFile = File.createTempFile("jnlp", ".jardiff", tempDir);
_log.addDebug(
"Generating Jardiff between "
+ oldFilePath
+ " and "
+ newFilePath
+ " Store in "
+ outputFile);
// Generate JarDiff
OutputStream os = new FileOutputStream(outputFile);
JarDiff.createPatch(oldFilePath, newFilePath, os, !doJarDiffWorkAround);
os.close();
try {
// Check that Jardiff is smaller, or return null
if (outputFile.length() >= (new File(newFilePath).length())) {
_log.addDebug("JarDiff discarded - since it is bigger");
return null;
}
// Check that Jardiff is smaller than the packed version of
// the new file, if the file exists at all
File newFilePacked = new File(newFilePath + ".pack.gz");
if (newFilePacked.exists()) {
_log.addDebug("generated jardiff size: " + outputFile.length());
_log.addDebug("packed requesting file size: " + newFilePacked.length());
if (outputFile.length() >= newFilePacked.length()) {
_log.addDebug("JarDiff discarded - packed version of requesting file is smaller");
return null;
}
}
_log.addDebug("JarDiff generation succeeded");
return outputFile;
} finally {
// delete the temporarily downloaded file
if (del_new) {
new File(newFilePath).delete();
}
if (del_old) {
new File(oldFilePath).delete();
}
}
} catch (IOException ioe) {
_log.addDebug("Failed to genereate jardiff", ioe);
return null;
} catch (ErrorResponseException ere) {
_log.addDebug("Failed to genereate jardiff", ere);
return null;
}
}
