Package com.jogamp.common.net

Class PiggybackURLConnection<I extends PiggybackURLContext>

java.lang.Object

java.net.URLConnection

com.jogamp.common.net.PiggybackURLConnection<I>

Direct Known Subclasses:

AssetURLConnection

public abstract class PiggybackURLConnection<I extends PiggybackURLContext>
extends URLConnection

Generic resource location protocol connection, using another sub-protocol as the vehicle for a piggyback protocol.

The details of the sub-protocol can be queried using getSubProtocol().

See example in AssetURLConnection.

Field Summary

Fields

Modifier and Type	Field	Description
protected I	context
protected URLConnection	subConn
protected URL	subUrl

Fields inherited from class java.net.URLConnection

allowUserInteraction, connected, doInput, doOutput, ifModifiedSince, url, useCaches

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PiggybackURLConnection(URL url, I context)

Method Summary

Modifier and Type	Method	Description
void	connect()	Resolves the URL via PiggybackURLContext.resolve(String), see AssetURLContext.resolve(String) for an example.
abstract String	getEntryName()	Returns the entry name of the asset.
InputStream	getInputStream()
URL	getSubProtocol()	Returns the resolved sub protocol of the asset or null, ie:

Methods inherited from class java.net.URLConnection

addRequestProperty, getAllowUserInteraction, getConnectTimeout, getContent, getContent, getContentEncoding, getContentLength, getContentLengthLong, getContentType, getDate, getDefaultAllowUserInteraction, getDefaultRequestProperty, getDefaultUseCaches, getDefaultUseCaches, getDoInput, getDoOutput, getExpiration, getFileNameMap, getHeaderField, getHeaderField, getHeaderFieldDate, getHeaderFieldInt, getHeaderFieldKey, getHeaderFieldLong, getHeaderFields, getIfModifiedSince, getLastModified, getOutputStream, getPermission, getReadTimeout, getRequestProperties, getRequestProperty, getURL, getUseCaches, guessContentTypeFromName, guessContentTypeFromStream, setAllowUserInteraction, setConnectTimeout, setContentHandlerFactory, setDefaultAllowUserInteraction, setDefaultRequestProperty, setDefaultUseCaches, setDefaultUseCaches, setDoInput, setDoOutput, setFileNameMap, setIfModifiedSince, setReadTimeout, setRequestProperty, setUseCaches, toString

Methods inherited from class java.lang.Object

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

Field Detail

subUrl

protected URL subUrl

subConn

protected URLConnection subConn

context

protected I extends PiggybackURLContext context

Constructor Detail

PiggybackURLConnection

protected PiggybackURLConnection(URL url,
                                 I context)

Parameters:

url - the specific URL for this instance

context - the piggyback context, defining state independent code and constants

Method Detail

connect

public void connect()
             throws IOException

Resolves the URL via PiggybackURLContext.resolve(String), see AssetURLContext.resolve(String) for an example.

Specified by:

connect in class URLConnection

Throws:

IOException

getInputStream

public InputStream getInputStream()
                           throws IOException

Overrides:

getInputStream in class URLConnection

Throws:

IOException

getEntryName

public abstract String getEntryName()
                             throws IOException

Returns the entry name of the asset.

 Plain     asset:test/lala.txt
 Resolved  asset:jar:file:/data/app/jogamp.test.apk!/assets/test/lala.txt
 Result          test/lala.txt
 

Throws:

IOException - is not connected

getSubProtocol

public URL getSubProtocol()
                   throws IOException

Returns the resolved sub protocol of the asset or null, ie:

 Plain     asset:test/lala.txt
 Resolved  asset:jar:file:/data/app/jogamp.test.apk!/assets/test/lala.txt
 Result          jar:file:/data/app/jogamp.test.apk!/assets/test/lala.txt
 

Throws:

IOException - is not connected