Example to download a file in java

FileReader; import java. IOException; import java. InputStream; import java. URL; import java. Your email address will not be published. Pankaj I love Open Source technologies and writing about my experience about them is my passion. Follow Author. Comments Henzhi Mkali says:. May 23, at am. Jagdeep says:. May 8, at am. February 21, at pm. Pankaj says:. Nuwanga G. July 25, at pm. Ravi says:. Change this to. Notice the change from! The read method returns -1 at the end of the stream, not null.

FileOutputStream "testplans. I tried the code below with a pdf file which contains formulas and which is compiled from MikTex. It doesn't work in this case. A pdf file is saved, but; the only thing I can see is plus, minus, equal and similar signs; that is, no letters och digits. Do anyone of you know what could be wrong?

That code is not correct, I do not think it was actually ever finished. Try to use this. This earlier posts are close, but I needed to change a few things. Sometimes you don't get a full bytes. Here is the updated version:. We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts learning and sharing knowledge. Answered by Ezzaral 2, in a post from 14 Years Ago. Answered by venomlash 55 in a post from 14 Years Ago.

The read method returns -1 at the … Jump to Post. First, we have to list all the files in the URL form and when the user clicks on any of the links, we will send the actual file. Listing of files uses MvcUriComponentsBuilder to prepare the URL based on the method which is going to actually serve the file for download. When a user clicks on a file name headers and attachments is sent to the client. Notice that we are allowing only text files to be uploaded. The upload button is enabled only when a user selects text file.

The code for this is available in upload. Once you select a text file and click on Upload, you will see the message that file is uploaded successfully. You can check the files which we uploaded and listed on our page are physically available on our servers. Hi , Could you please tell me like how to download the file the specific location in my local drive. Can this behavior be changed? Hi, Thanks for the tutorial! I am working on a requirement that should allow the user select a source folder and then upload only the jpeg files in that folder to a server location.

Please provide some input on how a folder selection can be implemented instead of a file.