Java create rar archive

Viewed 40k times. Improve this question. Yi Jiang Manipulating, no, because RAR is a closed format. You are allowed to unrar stuff as a developer, but that's about it. Note: I am not a lawyer, but just somebody that went the same path and walked into this one myself. Add a comment. Active Oldest Votes. Improve this answer. Jason Terk 5, 1 1 gold badge 26 26 silver badges 31 31 bronze badges. Fabian Steeg Fabian Steeg The command will also generate a default manifest file for the JAR archive.

The metadata in the JAR file, such as the entry names, comments, and contents of the manifest, must be encoded in UTF8.

Therefore, even if the contents of the JAR file do not change, when you create a JAR file multiple times, the resulting files are not exactly identical. You should be aware of this when you are using JAR files in a build environment. It is recommended that you use versioning information in the manifest file, rather than creation time, to control versions of a JAR file. See the Setting Package Version Information section.

Let us look at an example. A simple TicTacToe applet. This demo contains class files, audio files, and images having this structure:. The audio and images subdirectories contain sound files and GIF images used by the applet. The audio and images arguments represent directories, so the Jar tool will recursively place them and their contents in the JAR file. Because the command used the v option for verbose output, you would see something similar to this output when you run the command:.

The Jar tool compresses files by default. Sivabalan Sivabalan 2, 2 2 gold badges 22 22 silver badges 20 20 bronze badges. Is there a way to make this work if the extension is not. I need to write a.

I know I could make a. TroyDaniels the example above works with different extension as well, since its using jar:file: prefix to create URI. The only issue which can appear here is that it won't work in case you have directories. For this, just add the next line: Files. WiseGeek WiseGeek 3 3 silver badges 6 6 bronze badges. FileOutputStream; import java. IOException; import java. BasicFileAttributes; import java. ZipEntry; import java. Owen Cao Owen Cao 7, 2 2 gold badges 25 25 silver badges 33 33 bronze badges.

How to include current directory? It is also compressing the zip file again if the input and output directories are the same. Spring boot controller, zip the files in a directory, and can be downloaded. Yuiffy Yuiffy 6 6 bronze badges. Pavel Pavel 2, 1 1 gold badge 19 19 silver badges 17 17 bronze badges.

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