Package io.milton.zsync

Class ZSyncResourceFactory

java.lang.Object

io.milton.zsync.ZSyncResourceFactory

All Implemented Interfaces:

ResourceFactory

public class ZSyncResourceFactory
extends Object
implements ResourceFactory

This resource factory allows resouces to be retrieved and updated using the zsync protocol. Client side process for updating a local file from a server file a) assume the remote file is at path /somefile b) retrieve zsync metadata (ie headers and checksums) GET /somefile/.zsync c) implement rolling checksums and retrieve ranges of real file as needed with partial GETs GET /somefile Ranges: x-y, n-m, etc d) merge the partial ranges Client side process for updating a server file with a local file a) assume the remote file is at path /somefile b) retrieve zsync metadata (ie headers and checksums) GET /somefile/.zsync c) Calculate instructions and range data to send to server, based on the retrieved checksums d) send to server ....

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	ZSyncResourceFactory.ZSyncAdapterResource

Constructor Summary

Constructors

Constructor	Description
ZSyncResourceFactory(ResourceFactory wrapped)

Method Summary

Modifier and Type	Method	Description
Resource	getResource(String host, String path)
String	getSuffix()
ResourceFactory	getWrapped()
void	setSuffix(String suffix)

Methods inherited from class java.lang.Object

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

Constructor Details

ZSyncResourceFactory

public ZSyncResourceFactory(ResourceFactory wrapped)

Method Details

getResource

public Resource getResource(String host,
 String path)
                     throws NotAuthorizedException,
BadRequestException

Specified by:

getResource in interface ResourceFactory

Throws:

NotAuthorizedException

BadRequestException

getSuffix

public String getSuffix()

setSuffix

public void setSuffix(String suffix)

getWrapped

public ResourceFactory getWrapped()