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

Class SEDownloader

java.lang.Object

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

All Implemented Interfaces:

org.gvsig.compat.net.Downloader, Downloader

public class SEDownloader
extends Object
implements Downloader

Clase con métodos de utilidad en el protocolo WMS

Constructor Summary

Constructors

Constructor	Description
SEDownloader()

Method Summary

Modifier and Type	Method	Description
void	addDownloadedURL(URL url, String filePath)	Adds an URL to the table of downloaded files for further uses.
void	cleanUpTempFiles()	Cleans every temporal file previously downloaded.
protected Runnable	createDownloaderTask(SEDownloader downloader, Executor executor, URL url, String data, File target, Object groupID, int maxbytes)
protected Runnable	createDownloaderTask(SEDownloader downloader, Executor executor, URL url, String method, org.apache.http.entity.ContentType contenttype, String data, File target, Object groupID, int maxbytes)
File	downloadFile(URL url, String data, String name, org.gvsig.compat.net.ICancellable cancel)	Downloads a URL using the HTTP Post protocol
File	downloadFile(URL url, String data, String name, org.gvsig.compat.net.ICancellable cancel, int maxbytes)
File	downloadFile(URL url, String method, org.apache.http.entity.ContentType contenttype, String data, String name, org.gvsig.compat.net.ICancellable cancel)
File	downloadFile(URL url, String method, org.apache.http.entity.ContentType contenttype, String data, String name, org.gvsig.compat.net.ICancellable cancel, int maxbytes)
File	downloadFile(URL url, String method, org.apache.http.entity.ContentType contenttype, String data, String name, org.gvsig.compat.net.ICancellable cancel, int maxbytes, boolean useCache)
File	downloadFile(URL url, String name, org.gvsig.compat.net.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.
boolean	getCanceled(Object groupId)	Try if a group of downloads has been canceled
Executor	getExecutorUI()
long	getLatency()
protected File	getPreviousDownloadedURL(URL url, String data)	Return the content of a file that has been created from a URL using the HTTP POST protocol
protected File	getUniqueTemporaryFile(String name)
void	removeURL(Object url)	Remove an URL from the system cache.
void	removeURL(URL url)	Remove an URL from the system cache.
void	setCanceled(Object groupId, boolean isCanceled)	Cancel a group of downloads
void	setDownloadException(Exception exception)

Methods inherited from class java.lang.Object

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

Constructor Details

SEDownloader

public SEDownloader()

Method Details

getExecutorUI

public Executor getExecutorUI()

getPreviousDownloadedURL

protected File getPreviousDownloadedURL(URL url,
 String data)

Return the content of a file that has been created from a URL using the HTTP POST protocol

Parameters:

url - The URL

data - The data to send on the query

Returns:

File containing this URL's content or null if no file was found.

addDownloadedURL

public void addDownloadedURL(URL url,
 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.

Specified by:

addDownloadedURL in interface Downloader

Parameters:

url -

filePath -

downloadFile

public File downloadFile(URL url,
 String name,
 org.gvsig.compat.net.ICancellable cancel)
                  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.

Specified by:

downloadFile in interface org.gvsig.compat.net.Downloader

Parameters:

url -

name -

Returns:

Throws:

IOException

ConnectException

UnknownHostException

downloadFile

public File downloadFile(URL url,
 String data,
 String name,
 org.gvsig.compat.net.ICancellable cancel)
                  throws IOException,
ConnectException,
UnknownHostException

Downloads a URL using the HTTP Post protocol

Specified by:

downloadFile in interface org.gvsig.compat.net.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:

IOException

ConnectException

UnknownHostException

downloadFile

public File downloadFile(URL url,
 String data,
 String name,
 org.gvsig.compat.net.ICancellable cancel,
 int maxbytes)
                  throws IOException,
ConnectException,
UnknownHostException

Specified by:

downloadFile in interface org.gvsig.compat.net.Downloader

Throws:

IOException

ConnectException

UnknownHostException

downloadFile

public File downloadFile(URL url,
 String method,
 org.apache.http.entity.ContentType contenttype,
 String data,
 String name,
 org.gvsig.compat.net.ICancellable cancel)
                  throws IOException,
ConnectException,
UnknownHostException

Specified by:

downloadFile in interface org.gvsig.compat.net.Downloader

Throws:

IOException

ConnectException

UnknownHostException

downloadFile

public File downloadFile(URL url,
 String method,
 org.apache.http.entity.ContentType contenttype,
 String data,
 String name,
 org.gvsig.compat.net.ICancellable cancel,
 int maxbytes)
                  throws IOException,
ConnectException,
UnknownHostException

Specified by:

downloadFile in interface org.gvsig.compat.net.Downloader

Throws:

IOException

ConnectException

UnknownHostException

downloadFile

public File downloadFile(URL url,
 String method,
 org.apache.http.entity.ContentType contenttype,
 String data,
 String name,
 org.gvsig.compat.net.ICancellable cancel,
 int maxbytes,
 boolean useCache)
                  throws IOException,
ConnectException,
UnknownHostException

Specified by:

downloadFile in interface org.gvsig.compat.net.Downloader

Throws:

IOException

ConnectException

UnknownHostException

getCanceled

public boolean getCanceled(Object groupId)

Try if a group of downloads has been canceled

Specified by:

getCanceled in interface Downloader

Parameters:

groupId - Group id

Returns:

If the group has been canceled

setCanceled

public void setCanceled(Object groupId,
 boolean isCanceled)

Cancel a group of downloads

Specified by:

setCanceled in interface Downloader

Parameters:

groupId - Group id

isCanceled - if the group has to be canceled

removeURL

public void removeURL(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 org.gvsig.compat.net.Downloader

Parameters:

url -

removeURL

public void removeURL(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 org.gvsig.compat.net.Downloader

Parameters:

url -

setDownloadException

public void setDownloadException(Exception exception)

Specified by:

setDownloadException in interface Downloader

getLatency

public long getLatency()

Specified by:

getLatency in interface Downloader

createDownloaderTask

protected Runnable createDownloaderTask(SEDownloader downloader,
 Executor executor,
 URL url,
 String data,
 File target,
 Object groupID,
 int maxbytes)

createDownloaderTask

protected Runnable createDownloaderTask(SEDownloader downloader,
 Executor executor,
 URL url,
 String method,
 org.apache.http.entity.ContentType contenttype,
 String data,
 File target,
 Object groupID,
 int maxbytes)

cleanUpTempFiles

public void cleanUpTempFiles()

Cleans every temporal file previously downloaded.

Specified by:

cleanUpTempFiles in interface org.gvsig.compat.net.Downloader

getUniqueTemporaryFile

protected File getUniqueTemporaryFile(String name)