how to write a utility to download a file from a URL?

[steveeli]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

Can someone point me to the class I need to use. I looked the sun web
sites example, which downloads html contents to a string buffer. How
do I handle images? Thanks.

 

[Andrew Thompson]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

Can someone point me to the class I need to use.

It depends in what sense you need to use it,
if, by use, you mean display to the user, you
might try..

JLabel( (Icon)ImageIcon(URL) )

 

[Marek Lange]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

Can someone point me to the class I need to use.

Mainly java.io and java.net classes. This example downloads the daily
Dilbert:

http://www.javaspecialists.co.za/archive/Issue072.html

Perhaps the example points you to the right direction.

-marek

 

[Chris Smith]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

Can someone point me to the class I need to use. I looked the sun web
sites example, which downloads html contents to a string buffer. How
do I handle images? Thanks.

You'd use java.net.URLConnection. The only difference between
downloading general binary versus text is that you don't want to store
the data in a StringBuffer. Instead, you'd read from an InputStream
(see URLConnection.getInputStream).

--
www.designacourse.com
The Easiest Way to Train Anyone... Anywhere.

Chris Smith - Lead Software Developer/Technical Trainer
MindIQ Corporation

 

[Roedy Green]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

see http://mindprod.com/products.html#FILETRANSFER

 

[Jared Dykstra]

I am new in Java land. I am trying to write a small utility to
download any files by giving its url, something like http://.../1.jpeg

Can someone point me to the class I need to use. I looked the sun web
sites example, which downloads html contents to a string buffer. How
do I handle images? Thanks.

Are you doing this just for fun? Or because you need a tool to
download stuff? If it is the later, why not simply use a tool like
wget which does the job (and more) quite nicely and freely. If it's
the former, the info you need has already been posted.

Java has an interesting concept of treating everything like a URL.
Files, database connections, files stored in a JAR file, everything.
If you're bored, try creating a new File object but give it a
"http://www.yadayada.com/somefile.txt" parameter instead of a local
path and see what happens.