netx.jnlp.cache
Class Resource
public class Resource
extends java.lang.Object
Information about a single resource to download.
This class tracks the downloading of various resources of a
JNLP file to local files. It can be used to download icons,
jnlp and extension files, jars, and jardiff files using the
version based protocol or any file using the basic download
protocol.
Resources can be put into download groups by specifying a part
name for the resource. The resource tracker can also be
configured to prefetch resources, which are downloaded in the
order added to the media tracker.
void | addTracker(ResourceTracker tracker) - Adds the tracker to the list of trackers monitoring this
resource.
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void | changeStatus(int clear, int add) - Changes the status by clearing the flags in the first
parameter and setting the flags in the second.
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boolean | equals(Object other)
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protected void | fireDownloadEvent() - Instructs the trackers monitoring this resource to fire a
download event.
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URL | getLocation() - Returns the remote location of the resource.
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static Resource | getResource(URL location, Version requestVersion) - Return a shared Resource object representing the given
location and version.
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(package private) ResourceTracker | getTracker() - Returns the tracker that first created or monitored the
resource, or null if no trackers are monitoring the resource.
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boolean | isSet(int flag) - Returns true if any of the specified flags are set.
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void | removeTracker(ResourceTracker tracker) - Removes the tracker to the list of trackers monitoring this
resource.
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String | toString()
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CONNECT
public static final int CONNECT
CONNECTED
public static final int CONNECTED
CONNECTING
public static final int CONNECTING
DOWNLOAD
public static final int DOWNLOAD
DOWNLOADED
public static final int DOWNLOADED
DOWNLOADING
public static final int DOWNLOADING
ERROR
public static final int ERROR
STARTED
public static final int STARTED
UNINITIALIZED
public static final int UNINITIALIZED
status bits
connection
(package private) URLConnection connection
connection to resource
downloadVersion
(package private) Version downloadVersion
the version downloaded from server
localFile
(package private) File localFile
the local file downloaded to
location
(package private) URL location
the remote location of the resource
requestVersion
(package private) Version requestVersion
the requested version
size
(package private) long size
total size of the resource, or -1 if unknown
status
(package private) int status
the status of the resource
transferred
(package private) long transferred
amount in bytes transferred
addTracker
public void addTracker(ResourceTracker tracker)
Adds the tracker to the list of trackers monitoring this
resource.
changeStatus
public void changeStatus(int clear,
int add)
Changes the status by clearing the flags in the first
parameter and setting the flags in the second. This method
is synchronized on this resource.
equals
public boolean equals(Object other)
fireDownloadEvent
protected void fireDownloadEvent()
Instructs the trackers monitoring this resource to fire a
download event.
getLocation
public URL getLocation()
Returns the remote location of the resource.
getResource
public static Resource getResource(URL location,
Version requestVersion)
Return a shared Resource object representing the given
location and version.
getTracker
(package private) ResourceTracker getTracker()
Returns the tracker that first created or monitored the
resource, or null if no trackers are monitoring the resource.
isSet
public boolean isSet(int flag)
Returns true if any of the specified flags are set.
removeTracker
public void removeTracker(ResourceTracker tracker)
Removes the tracker to the list of trackers monitoring this
resource.
toString
public String toString()