Downloaded file java is corrupt

Replies 30 Views 4K. May 23, Soup Stand. Replies 4 Views 1K. May 11, Cycloid Torus. Enthyos Jan 11, Graphics Cards. Replies 8 Views 2K. Apr 12, Kshipper. Latest posts B. El Salvador reveals plans to build Bitcoin city bviktor replied A moment ago. Hello All, I am making one Java desktop application in which i need to download files from cloud and need to save it on clients data center I like What do you mean by corrupted?

What determines that? One thing you could do is check the size of the file on the cloud and on your box. If they are different, you have a problem. Here are just a few ways of how you can accomplish the task:.

The most easily available and a basic package available for downloading a file from internet using Java code is the Java IO package. Here we will be using the BufferedInputStream and the URL classes to open and read a file on a given address to a file on our local system. The reason we use the BufferedInputStream class instead of the InputStream is its buffering ability that gives our code a performance boost.

Before we dive deeper into the coding aspect let's take an overview of the classes and the individual functions we will be using in the process. The java. URL class in Java is a built-in library that offers multiple methods to access and manipulate data on the internet.

In this case, we will be using the openStream function of the URL class. The method signature for the openStream function is:. The openStream function works on an object of the URL class.

The URL class opens up a connection to the given URL and the openStream method returns an input stream which is used to read data from the connection. These classes are used for reading from a file and writing to it, respectively. The contents are read as bytes and copied to a file in the local directory using the FileOutputStream. To lower the number of lines of code we can use the Files class available from Java 7. The Files class contains methods that read all the bytes at once and then copies it into another file.

Here is how you can use it:. Java NIO is an alternative package to handle networking and input-output operations in Java. We pay a big attention to provide you with the correct information. However, many spyware and malware programs use filenames of usual, non-malware processes and DLLs. If we have included information about java.

Also, web links to software and DLL vendors are provided just for your conform, and we cannot guarantee its accuracy nor relevance with DLL or process listed on this page. We are not affiliated with this pages. We are not responsible for misprints on this site or changes occured since this page was published.

The product, software and operating system names mentioned on this web site, can be copyrighted and registered trademarks of their owners. Steps to fix corrupted java. Warning: never try to download the damaged file itself from untrusted sources or "fan" pages - it can be pretty risky, due to high amount of malware in such sites.

If you in despair decide to do it anyway, please at least check the downloaded file on Virustotal There are paid IT services which can restore damaged files.