Java zip create directory

Active Oldest Votes. For each folder, you need to add a empty ZipEntry of the path. MadProgrammer MadProgrammer k 22 22 gold badges silver badges bronze badges. The Overflow Blog.

Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses. Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Java Provides java. The example code contains a class Zipper which has a method zipFiles which takes the name of the zip file to be created and the name of the folder containing the files as input parameters.

Based on these two parameters; the code picks each and every file from the given folder and puts into the zipoutstream as new entries and then uses write method of zipoutputstream class. Step 1: We should create file output stream for output folder. So that it can write files to that output folder. If output folder is not exists then create output folder. Use mkdirs method.

If any parent directories are not there then it will create them also. Step 2: Here we have only one file that is zip file. So create one file input stream this is enough. This will read contents from zip file. Step 3: Now create Zip input stream for this file input stream. This zip input stream can understand the zip file contents. It will change zip form to normal form.

Comment below if you have any queries or found any information incorrect in above tutorial for zip and unzip files in Java. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Home Contact About Advertise.

Neeraj Mishra IO Leave a comment. Java Zip and Unzip Files and Folders Here we will learn about how to zip and unzip files and folders in java. How to Zip Files in Java? Now we will see one example. Procedure : Step 1: We should list out all files in the directory. Step 4: Now we have to zip each file in list according to their paths.

Take notes of these things:. What are we going to do to complete our example? Glad you had that same question in mind. Let me lay out a pseudo ish code structure. That is all that we are going to be doing. Now let us see the code for the algorithm above. In the code above we will expose zip method and not the zipFile. The code above is pretty self explanatory. But if you are new to file handling or programming in general then you might find it a bit complicated. Everything has been outlined above except for ZipEntry.

What is it? Since a zip file is essentially just a container.