org.gvsig.andami

Class Utilities

java.lang.Object

org.gvsig.andami.Utilities

public class Utilities
extends Object

This class offers several general purpose method, to perform common tasks in an easy way.

Field Summary

Fields

Modifier and Type	Field and Description
static String	TEMPDIRECTORYPATH

Constructor Summary

Constructors

Constructor and Description
Utilities()

Method Summary

Methods

Modifier and Type	Method and Description
static void	cleanComponent(Component baseComponent) Method which frees the memory from JInternalFrames
protected static void	cleanComponent(Component baseComponent, int depth)
static void	cleanUpTempFiles() Cleans every temporal file previously downloaded.
static ImageIcon	createImageIcon(String path) Creates an icon from an image path.
static File	createTemp(String fileName, String data) Creates a temporary file with a the provided name and data.
static String	createTempDirectory() Creates the directory for temporary files, and returns the path of this directory.
static File	downloadFile(URL url, String name) Downloads an URL into a temporary file that is removed the next time the tempFileManager class is called, which means the next time gvSIG is launched.
static void	extractTo(File file, File dir, MultiSplashWindow splash) Extracts a ZIP file in the provided directory
static void	removeURL(URL url) Remove an URL from the system cache.

Methods inherited from class java.lang.Object

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

Field Detail

TEMPDIRECTORYPATH

public static final String TEMPDIRECTORYPATH

Constructor Detail

Utilities

public Utilities()

Method Detail

createImageIcon

public static ImageIcon createImageIcon(String path)

Creates an icon from an image path.

Parameters:

path - Path to the image to be loaded

Returns:

ImageIcon if the image is found, null otherwise

cleanComponent

public static void cleanComponent(Component baseComponent)

Method which frees the memory from JInternalFrames

Parameters:

baseComponent - JInternalFrame whose memory is to be freed

cleanComponent

protected static void cleanComponent(Component baseComponent,
                  int depth)

extractTo

public static void extractTo(File file,
             File dir,
             MultiSplashWindow splash)
                      throws ZipException,
                             IOException

Extracts a ZIP file in the provided directory

Parameters:

file - Compressed file

dir - Directory to extract the files

splash - The splash window to show the extraction progress

Throws:

ZipException - If there is some problem in the file format

IOException - If there is a problem reading the file

downloadFile

public static File downloadFile(URL url,
                String name)
                         throws IOException,
                                ConnectException,
                                UnknownHostException

Downloads an URL into a temporary file that is removed the next time the tempFileManager class is called, which means the next time gvSIG is launched.

Parameters:

url -

name -

Returns:

Throws:

IOException

ServerErrorResponseException

ConnectException

UnknownHostException

cleanUpTempFiles

public static void cleanUpTempFiles()

Cleans every temporal file previously downloaded.

createTemp

public static File createTemp(String fileName,
              String data)
                       throws IOException

Creates a temporary file with a the provided name and data. The file will be automatically deleted when the application exits.

Parameters:

fileName - Name of the temporary file to create

data - The data to store in the file

Throws:

IOException

removeURL

public static void removeURL(URL url)

Remove an URL from the system cache. The file will remain in the file system for further eventual uses.

Parameters:

request -

createTempDirectory

public static String createTempDirectory()

Creates the directory for temporary files, and returns the path of this directory. If the directory already exists, it just returns its path. Any file or directory created in this special directory will be delete when the application finishes.

Returns:

An String containing the full path to the temporary directory