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1. Appending files to a zip file with Java    stackoverflow.com

I am currently extracting the contents of a war file and then adding some new files to the directory structure and then creating a new war file. This is all done programatically ...

2. append files to an archive without reading/rewriting the whole archive    stackoverflow.com

I've got many files that I want to store in a single archive file. My first approach was to store the files in a gzipped tarball. The problem is, that I've ...

3. Append to Existing Zip File    coderanch.com

Ok so it doesn't look like the java.util.zip.* classes allow for appending new entries into an existing zip archive through their APIs. To get around this I do the following: 1) create a new Zip file 2) read the contents of the old Zip file and write them out to the new Zip, appending the new entries on the end of ...

4. How to append a file to an existing zip file    coderanch.com

I would like to append a file to an existing zip file using ZipOutputStream. Please provide some sample code to do that. I used the following code. BufferedInputStream fileNameToBeAppended= new BufferedInputStream( new FileInputStream(tempFileName), BUFFER); ZipOutputStream zipOS = new ZipOutputStream( new FileOutputStream(TotalZip.zip",true)); zipFile = new ZipEntry(tempFileName); zipOS.putNextEntry(zipFile); int count; while ((count = bis.read(data, 0, BUFFER)) != -1) { zipOS.write(data, 0, count); } ...

5. Appending Content to a file Inside a zip file    coderanch.com

Hi All, My requirement is to append the data to a file inside a zip file.Is it possible to directly create a file inside a zip file, then appending the content to that file. I am trying to do it with ZipOutputStream using following class ... but itz writing content to file, but not appending to the file...... How can i ...

6. GZIP file append writing    coderanch.com

Hi, I have 10 text files , i am going to read all files one by one and compressing using gzip compression. read first file and comperss then waiting 10 mins. and reading next text file compress with the previous gzip file from the end of the gzip file. this operation happen end of text files and finally i want one ...

7. Java Error While appending to Zip File    coderanch.com

Hello Experts, I am constantly getting the bellow error: Could not rename zip file Please help. Here goes my code. int BUFFER_SIZE = 256; // Create datebased timestamp for unique file names Format formatter; formatter = new SimpleDateFormat("yyyyMMdd_HHmmssS"); //Format as YearMonthDay_HourMinuteSecMillisec Date now = new Date(); String datestring = formatter.format(now); String oldZipfilename = zipfilename + datestring + ".old"; String newZipfilename = ...

8. Fail to append to zip file    forums.oracle.com

for (int processed = 0; processed < (data.length - 1); processed += 2) { int s = (data[processed + 1] << 8 | data[processed]) & 0x0000ffff; if (s == GZIPInputStream.GZIP_MAGIC) { GZIPInputStream zipIn = new GZIPInputStream(new ByteArrayInputStream(data, processed, data.length - processed)); while((data=gzip.read())!=-1) fos.write(b); //assume fos (fileoutputstream) to be not null and ok. zipIn.close(); } } } catch (FileNotFoundException e) { e.printStackTrace(); ...