Class NetUtil

java.lang.Object

fc.util.NetUtil

public final class NetUtil
extends Object

Network related utils (including HTTP) (the servlet/WebUtil class is for servlet specific utils)

Constructor Summary

Constructors

Constructor	Description
NetUtil()

Method Summary

Modifier and Type	Method	Description
static void	downloadAndSaveImage(File output, String url)	Downloads and saves data from url to specified file.
static void	main(String[] args)
static boolean	resourceExists(String url)	Returns true if the specified resource exists, false otherwise.

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NetUtil

public NetUtil()

Method Details

downloadAndSaveImage

public static void downloadAndSaveImage(File output,
 String url)
                                 throws IOException

Downloads and saves data from url to specified file. The file should be a complete file (including directory information) and the name of the file can of course be arbitrary. (construct a file with the same name as the url if you need to save the url as-is, with the same name).

Throws:

IOException

resourceExists

public static boolean resourceExists(String url)

Returns true if the specified resource exists, false otherwise. Uses HTTP HEAD method and a return code != 404

main

public static void main(String[] args)