Convert string from xml response to pdf - java

I'm getting a response XML from web service and one of the field contains a string that should be convertable to pdf file.
This is example string that I extract from xml response:
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
now I'm trying to convert it into proper pdf file like this:
byte[] bytes = THAT_LONG_STRING.getBytes();
BufferedOutputStream bos = null;
FileOutputStream fos = new FileOutputStream(new File("a.pdf");
bos = new BufferedOutputStream(fos);
bos.write(bytes);
bos.flush();
bos.close();
Sadly this does not work for me, output file is just file with that long string, pdf viewers cannot open it.
Any advices are welcome :)

Your string is in Base64 format. You should decode it to a byte array first, then write it to a file.
Just replace this line:
byte[] bytes = THAT_LONG_STRING.getBytes();
With this one (Apache Commons Codec required):
byte[] bytes = Base64.decodeBase64(THAT_LONG_STRING);

Related

Java MimeBodyPart to byte[]

I am using Java 11. I am reading emails and retrieving their attachments using javax.mail and would like to save the attachments byte array.
So I need to convert a javax.mail.internet.MimeBodyPart (the attachment) to a byte[].
code so far:
private void savePDF(MimeBodyPart attachment, String invoiceNumber) {
byte[] data = attachment.get....
}
More info:
When I try open the PDF, I do the following:
InputStream is = response.getStream();
byte[] bytes = IOUtils.toByteArray(is);
OutputStream output = response.getOutputStream();
fos = new BufferedOutputStream(output);
fos.write(bytes);
This works perfectly when I get the bytes from a 'MultipartFile':
byte[] bytes = multipartFile.getBytes();
However, if I try use the byes from a MimeBodyPart (email attachment), it fails:
byte[] data = attachment.getInputStream().readAllBytes();
More info:
I have also tried, but I get the same error:
BASE64DecoderStream content = (BASE64DecoderStream) attachment.getContent();
byte[] bytes = content.readAllBytes();
bytes = Base64.decodeBase64(bytes);

Java in websphere produces corrupted zip file, if previously zipped content as byte array is written into file

my java zip problem apeears only in websphere in linux environment,
but works on my local windows developer computer in tomee all right.
I try to compress a content and send the result as mail and backup the same content in a folder.
My input data is a CSV file content in a byte-array.
I compress the input byte array to a zip result byte array.
I try to save my zipped result data in a folder and send the same content as a mail attachment.
Result: zip-attachment in mail is delivered correctly but the same zip byte array saved as a file is corrupted.
public static byte[] zipContent(String filename, byte[] content) throws IOException {
final CRC32 crc = new CRC32();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (final ZipOutputStream zipOut = new ZipOutputStream(baos);
final InputStream fis = new ByteArrayInputStream(content);) {
crc.reset();
final ZipEntry zipEntry = new ZipEntry(filename);
zipOut.putNextEntry(zipEntry);
int length;
byte[] bytes = new byte[1024];
while ((length = fis.read(bytes)) >= 0) {
crc.update(bytes,0,length);
zipOut.write(bytes, 0, length);
}
final long crcValue = crc.getValue();
zipEntry.setCrc(crcValue);
zipEntry.setSize(content.length);
zipEntry.setComment("CRC_" + Long.toString(crcValue));
zipOut.closeEntry();
zipOut.flush();
} finally {
baos.flush();
baos.close();
}
return baos.toByteArray();
}
I call
final byte[] csvContentArray = ... // Get CSV input anyway ...
File csvFile = new File(aCsvPathString);
Files.write(csvfile.toPath(), csvContentArray); // OKAY, saved correctly pre compress in server
//COMPRESS: byte[] --> byte[]
final byte[] zippedContent = zipContent(csvFileName, csvContentArray);
File zipFile = new File(aZipPathString);
Files.write(zipfile.toPath(), zippedContent); // CORRUPTED, saved after compress in server !!!
...
sendMail(emailAdress, zippedContent); // the same zipped content in mail is delivered correctly and can be opened without warnings !
What differs for zip file content as byte[] between saving in file system and sending as mail attachment (MimeBodyPart).
It is very strange for me, because it works fine in Windows/Tomee but not in Linux/Websphere.
My zipped csv file is huge and after compressing, first about 1000 lines are fine. Rest of file is confused.
I tried to code with and without CRC by ZipEntry, but it doesn't matter.
Opening corrupted zip in 7zip gives warnings like:
Unerwartetes Datenende. Translated: unexpected data end.
Es gibt noch Daten hinter den Hauptdaten. Translated: existing data after main data.
I'm always grateful for opinions and suggestions.

Can I convert docx to PDF while also encrypting it at the same time?

I'm currently converting docx to pdf, then encrypting the pdf. Here is my code:
//Convert
XWPFDocument document = new XWPFDocument(inStream);
PdfOptions options = PdfOptions.create();
PdfConverter.getInstance().convert(document, outStream, options);
//Encrypt
PdfReader reader = new PdfReader("C:\\uploads\\Resume.pdf");
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("C:\\uploads\\ResumeEncrypt.pdf"));
stamper.setEncryption("hello123".getBytes(), "hello".getBytes(),
PdfWriter.ALLOW_PRINTING, PdfWriter.ENCRYPTION_AES_128 | PdfWriter.DO_NOT_ENCRYPT_METADATA);
stamper.close();
reader.close();
By doing this I am getting 2 files.
What is happening is first I converted the Resume.docx to Resume.pdf, then encrypted the Resume.pdf to ResumeEncrypt.pdf, resulting to 2 files
This is the example -
But I want only one file, that is already converted and encrypted.
This is the example of what I want -
Is it possible to get a single file after converting and encrypting ?
Try use ByteArrayInputStream, give convert pdf.
I made something similar few days ago. Convert Base64 to Gzip and unzip to xml in stream if you want i can give you that code like tip.
So maaybe you can base on this code
//Convert Based64, unzip to xml in stream (strLista is list of Base64 bytes
ByteArrayInputStream in = new ByteArrayInputStream(strLista.getBytes());
try(InputStream reader = Base64.getMimeDecoder().wrap(in)){
try (GZIPInputStream gis = new GZIPInputStream(reader)) {
try (ByteArrayOutputStream out = new ByteArrayOutputStream()){
int readGis = 0;
while ((readGis = gis.read(buff)) > 0)
out.write(buff, 0, readGis);

java apache IOUtils breaks file content

I need to encode/decode pdf file into Base64 format.
So I read file from disk into String(because I will receive file in String Base64 format in future);
String pdfString = IOUtils.toString(new FileInputStream(new
File("D:\\vrpStamped.pdf")));
byte[] encoded = Base64.encodeBase64(pdfString.getBytes());
byte[] newPdfArray = Base64.decodeBase64(encoded);
FileOutputStream imageOutFile = new FileOutputStream(
"D:\\1.pdf");
imageOutFile.write(newPdfArray);
imageOutFile.close();
imageOutFile.flush();
So my D:\\1.pdf doesnt opens in AdobeReader, but if I read file straight to byte array, using IOUtils.toByteArray(..) instead ,all works fine and my D:\\1.pdf file sucessfuly opens in Adobe Reader:
byte[] encoded = Base64.encodeBase64(IOUtils.toByteArray(new FileInputStream(new File("D:\\vrpStamped.pdf"))););
It seems to me thath IOUtils.toString(..) change something inside file content. So how can I convert file to String with not content breaking?
How to encode a pdf...
byte[] bytes = IOUtils.toByteArray(new FileInputStream(new File("/home/fschaetz/test.pdf")));
byte[] encoded = Base64.encode(bytes);
String str = new String(encoded);
...now do something with this encoded String, for example, send it via a Rest service.
And now, if you receive an encoded String, you can decode and save it like this...
byte[] decoded = Base64.decode(str.getBytes());
FileOutputStream output = new FileOutputStream(new File("/home/fschaetz/result.pdf"));
output.write(decoded);
output.close();
Works perfectly fine with all files, not limited to images or pdfs.
What your example is doing is...
Read the pdf into a String (which pretty much destroys the data, since you are reading binary data into a String)
Encode this spring (which is in all likelyhood not a valid representation of the original pdf anymore)
Decode it and save it to disk

How to convert ByteBuffer to FileInputStream in Java?

I am trying to import xls sheet to DB, for that when i am uploading the file the uploaded file is in ByteBuffer Format, i have written a logic which reads as FileInputStream.
Now how do i convert this ByteBuffer to FileInputStream
Here is my Code
ByteBuffer fileBytes = (ByteBuffer) context.get("uploadedFile");
String encoding = System.getProperty("file.encoding");
String filename = Charset.forName(encoding).decode(fileBytes).toString();
filename = filename.replaceAll("\\r", "");
I tried Casting it using ByteArrayInputStream() but looks like it is not working!
Change your logic to use InputStream rather than FileInputStream. You don't care where the input comes from.
Use the following code:
ByteArrayInputStream bais = new ByteArrayInputStream(buffer.array(), buffer.position(), buffer.limit());
and pass bais to your existing method.

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