fr.jayasoft.ivy.url
Class URLHandlerDispatcher

java.lang.Object
  fr.jayasoft.ivy.url.URLHandlerDispatcher

All Implemented Interfaces:

URLHandler

public class URLHandlerDispatcher

extends java.lang.Object

implements URLHandler

This class is used to dispatch downloading requests

Author:

Xavier Hanin

Nested Class Summary

Nested classes inherited from class fr.jayasoft.ivy.url.URLHandler

URLHandler.URLInfo

Field Summary

protected URLHandler	_default
protected java.util.Map	_handlers

Fields inherited from interface fr.jayasoft.ivy.url.URLHandler

UNAVAILABLE

Constructor Summary

URLHandlerDispatcher()

Method Summary

void	download(java.net.URL src, java.io.File dest, CopyProgressListener l)
long	getContentLength(java.net.URL url) Returns the length of the target if the given url is reachable, and without error code in case of http urls.
long	getContentLength(java.net.URL url, int timeout) Returns the length of the target if the given url is reachable, and without error code in case of http urls.
URLHandler	getDefault()
URLHandler	getHandler(java.lang.String protocol)
long	getLastModified(java.net.URL url) Please prefer getURLInfo when several infos are needed.
long	getLastModified(java.net.URL url, int timeout) Please prefer getURLInfo when several infos are needed.
URLHandler.URLInfo	getURLInfo(java.net.URL url) never returns null, return UNAVAILABLE when url is not reachable
URLHandler.URLInfo	getURLInfo(java.net.URL url, int timeout) never returns null, return UNAVAILABLE when url is not reachable
boolean	isReachable(java.net.URL url) Please prefer getURLInfo when several infos are needed.
boolean	isReachable(java.net.URL url, int timeout) Please prefer getURLInfo when several infos are needed.
java.io.InputStream	openStream(java.net.URL url)
void	setDefault(URLHandler default1)
void	setDownloader(java.lang.String protocol, URLHandler downloader)

Methods inherited from class java.lang.Object

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

Field Detail

_handlers

protected java.util.Map _handlers

_default

protected URLHandler _default

Constructor Detail

URLHandlerDispatcher

public URLHandlerDispatcher()

Method Detail

isReachable

public boolean isReachable(java.net.URL url)

Description copied from interface: URLHandler

Please prefer getURLInfo when several infos are needed.

Specified by:

isReachable in interface URLHandler

Parameters:

url - the url to check

Returns:

true if the target is reachable

isReachable

public boolean isReachable(java.net.URL url,
                           int timeout)

Description copied from interface: URLHandler

Please prefer getURLInfo when several infos are needed.

Specified by:

isReachable in interface URLHandler

Parameters:

url - the url to check

Returns:

true if the target is reachable

getContentLength

public long getContentLength(java.net.URL url)

Description copied from interface: URLHandler

Returns the length of the target if the given url is reachable, and without error code in case of http urls. Please prefer getURLInfo when several infos are needed.

Specified by:

getContentLength in interface URLHandler

Parameters:

url - the url to check

Returns:

the length of the target if available, 0 if not reachable

getContentLength

public long getContentLength(java.net.URL url,
                             int timeout)

Description copied from interface: URLHandler

Returns the length of the target if the given url is reachable, and without error code in case of http urls.

Specified by:

getContentLength in interface URLHandler

Parameters:

url - the url to check

timeout - the maximum time before considering an url is not reachable a timeout of zero indicates no timeout

Returns:

the length of the target if available, 0 if not reachable

getLastModified

public long getLastModified(java.net.URL url)

Description copied from interface: URLHandler

Please prefer getURLInfo when several infos are needed.

Specified by:

getLastModified in interface URLHandler

Parameters:

url - the url to check

Returns:

last modified timestamp of the given url

getLastModified

public long getLastModified(java.net.URL url,
                            int timeout)

Description copied from interface: URLHandler

Please prefer getURLInfo when several infos are needed.

Specified by:

getLastModified in interface URLHandler

Parameters:

url - the url to check

Returns:

last modified timestamp of the given url

getURLInfo

public URLHandler.URLInfo getURLInfo(java.net.URL url)

Description copied from interface: URLHandler

never returns null, return UNAVAILABLE when url is not reachable

Specified by:

getURLInfo in interface URLHandler

Parameters:

url -

Returns:

getURLInfo

public URLHandler.URLInfo getURLInfo(java.net.URL url,
                                     int timeout)

Description copied from interface: URLHandler

never returns null, return UNAVAILABLE when url is not reachable

Specified by:

getURLInfo in interface URLHandler

Parameters:

url -

Returns:

openStream

public java.io.InputStream openStream(java.net.URL url)
                               throws java.io.IOException

Specified by:

openStream in interface URLHandler

Throws:

java.io.IOException

download

public void download(java.net.URL src,
                     java.io.File dest,
                     CopyProgressListener l)
              throws java.io.IOException

Specified by:

download in interface URLHandler

Throws:

java.io.IOException

setDownloader

public void setDownloader(java.lang.String protocol,
                          URLHandler downloader)

getHandler

public URLHandler getHandler(java.lang.String protocol)

getDefault

public URLHandler getDefault()

setDefault

public void setDefault(URLHandler default1)