org.gvsig.compat.se.net.downloader.se

Class SEDownloader

java.lang.Object

org.gvsig.compat.se.net.downloader.se.SEDownloader

All Implemented Interfaces:

Downloader

Direct Known Subclasses:

HttpClientDownloader

public class SEDownloader
extends java.lang.Object
implements Downloader

Clase con métodos de utilidad en el protocolo WMS

Constructor Summary

Constructors

Constructor and Description
SEDownloader()

Method Summary

Methods

Modifier and Type	Method and Description
void	addDownloadedURL(java.net.URL url, java.lang.String filePath) Adds an URL to the table of downloaded files for further uses.
void	cleanUpTempFiles() Cleans every temporal file previously downloaded.
protected java.lang.Runnable	createDownloaderTask(Downloader downloader, java.net.URL url, java.lang.String data, java.io.File target, java.lang.Object groupID, int maxbytes)
java.io.File	downloadFile(java.net.URL url, java.lang.String name, ICancellable cancel) 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.
java.io.File	downloadFile(java.net.URL url, java.lang.String data, java.lang.String name, ICancellable cancel) Downloads a URL using the HTTP Post protocol
java.io.File	downloadFile(java.net.URL url, java.lang.String data, java.lang.String name, ICancellable cancel, int maxbytes)
boolean	getCanceled(java.lang.Object groupId) Try if a group of downloads has been canceled
long	getLatency()
void	removeURL(java.lang.Object url) Remove an URL from the system cache.
void	removeURL(java.net.URL url) Remove an URL from the system cache.
void	setCanceled(java.lang.Object groupId, boolean isCanceled) Cancel a group of downloads
void	setDownloadException(java.lang.Exception exception)

Methods inherited from class java.lang.Object

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

Constructor Detail

SEDownloader

public SEDownloader()

Method Detail

addDownloadedURL

public void addDownloadedURL(java.net.URL url,
                    java.lang.String filePath)

Adds an URL to the table of downloaded files for further uses. If the URL already exists in the table its filePath value is updated to the new one and the old file itself is removed from the file system.

Parameters:

url -

filePath -

downloadFile

public java.io.File downloadFile(java.net.URL url,
                        java.lang.String name,
                        ICancellable cancel)
                          throws java.io.IOException,
                                 java.net.ConnectException,
                                 java.net.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.

Specified by:

downloadFile in interface Downloader

Parameters:

url -

name -

Returns:

Throws:

java.io.IOException

java.net.ConnectException

java.net.UnknownHostException

downloadFile

public java.io.File downloadFile(java.net.URL url,
                        java.lang.String data,
                        java.lang.String name,
                        ICancellable cancel)
                          throws java.io.IOException,
                                 java.net.ConnectException,
                                 java.net.UnknownHostException

Downloads a URL using the HTTP Post protocol

Specified by:

downloadFile in interface Downloader

Parameters:

url - The server URL

data - The data to send in the request

name - A common name for all the retrieved files

cancel - Used to cancel the downloads

Returns:

The retrieved file

Throws:

java.io.IOException

java.net.ConnectException

java.net.UnknownHostException

downloadFile

public java.io.File downloadFile(java.net.URL url,
                        java.lang.String data,
                        java.lang.String name,
                        ICancellable cancel,
                        int maxbytes)
                          throws java.io.IOException,
                                 java.net.ConnectException,
                                 java.net.UnknownHostException

Specified by:

downloadFile in interface Downloader

Throws:

java.io.IOException

java.net.ConnectException

java.net.UnknownHostException

getCanceled

public boolean getCanceled(java.lang.Object groupId)

Try if a group of downloads has been canceled

Parameters:

groupId - Group id

Returns:

If the group has been canceled

setCanceled

public void setCanceled(java.lang.Object groupId,
               boolean isCanceled)

Cancel a group of downloads

Parameters:

groupId - Group id

isCanceled - if the group has to be canceled

cleanUpTempFiles

public void cleanUpTempFiles()

Cleans every temporal file previously downloaded.

Specified by:

cleanUpTempFiles in interface Downloader

removeURL

public void removeURL(java.net.URL url)

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

Specified by:

removeURL in interface Downloader

Parameters:

url -

removeURL

public void removeURL(java.lang.Object url)

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

Specified by:

removeURL in interface Downloader

Parameters:

url -

setDownloadException

public void setDownloadException(java.lang.Exception exception)

getLatency

public long getLatency()

createDownloaderTask

protected java.lang.Runnable createDownloaderTask(Downloader downloader,
                                      java.net.URL url,
                                      java.lang.String data,
                                      java.io.File target,
                                      java.lang.Object groupID,
                                      int maxbytes)