Package com.atlassian.confluence.importexport.resource

Class DelegatorDownloadResourceManager

java.lang.Object

com.atlassian.confluence.importexport.resource.DelegatorDownloadResourceManager

All Implemented Interfaces:

DownloadResourceManager, PartialDownloadResourceManager

public class DelegatorDownloadResourceManager
extends Object
implements PartialDownloadResourceManager

Delegates to the appropriate download resource manager for resource retrievals.

Constructor Summary

Constructors

Constructor	Description
DelegatorDownloadResourceManager()

Method Summary

Modifier and Type	Method	Description
PartialDownloadResourceReader	getPartialResourceReader(String userName, String resourcePath, Map parameters, String requestRange)	Returns a DownloadResourceReader for part of a downloadable resource.
DownloadResourceReader	getResourceReader(String userName, String resourcePath, Map parameters)	Returns a DownloadResourceReader for a downloadable resource.
boolean	matches(String resourcePath)	Returns a boolean to indicate whether the current DownloadResourceManager will know how to handle the given resourcePath.
void	setDownloadResourceManagers(List<DownloadResourceManager> downloadResourceManagers)

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegatorDownloadResourceManager

public DelegatorDownloadResourceManager()

Method Detail

matches

public boolean matches(String resourcePath)

Description copied from interface: DownloadResourceManager

Returns a boolean to indicate whether the current DownloadResourceManager will know how to handle the given resourcePath.

Specified by:

matches in interface DownloadResourceManager

Parameters:

resourcePath - the relative URL of the resource including the application context path. For example, "/confluence/download/attachments/12345/temp.png".

Returns:

true if the manager can handle the given resource path

getResourceReader

public DownloadResourceReader getResourceReader(String userName,
                                                String resourcePath,
                                                Map parameters)
                                         throws DownloadResourceNotFoundException,
                                                UnauthorizedDownloadResourceException

Description copied from interface: DownloadResourceManager

Returns a DownloadResourceReader for a downloadable resource. Typically used by HTML/PDF export and resource content downloads.

Use this method only if DownloadResourceManager.matches(String) returns true.

Specified by:

getResourceReader in interface DownloadResourceManager

Parameters:

userName - the user who is retrieving the downloadable resource.

resourcePath - the relative URL of the resource including the application context path. For example, "/confluence/download/attachments/12345/temp.png".

parameters - a map of url paramaters for the resource

Returns:

a DownloadResourceReader to read the resource content from

Throws:

DownloadResourceNotFoundException - if the downloadable resource associated with the resourcePath cannot be found

UnauthorizedDownloadResourceException - if the user requesting the downloadable resource does not have the permissions to get it

getPartialResourceReader

public PartialDownloadResourceReader getPartialResourceReader(String userName,
                                                              String resourcePath,
                                                              Map parameters,
                                                              String requestRange)
                                                       throws UnauthorizedDownloadResourceException,
                                                              DownloadResourceNotFoundException,
                                                              RangeNotSatisfiableException

Description copied from interface: PartialDownloadResourceManager

Returns a DownloadResourceReader for part of a downloadable resource. Currently being used by attachment downloads

Use this method only if DownloadResourceManager.matches(String) returns true.

Specified by:

getPartialResourceReader in interface PartialDownloadResourceManager

Parameters:

userName - the user who is retrieving the downloadable resource.

resourcePath - the relative URL of the resource including the application context path. For example, "/confluence/download/attachments/12345/temp.png".

parameters - a map of url paramaters for the resource

requestRange - range of the resource as defined in RFC-2616 http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1

Returns:

a DownloadResourceReader to read the resource content from

Throws:

UnauthorizedDownloadResourceException - if the user requesting the downloadable resource does not have the permissions to get it

DownloadResourceNotFoundException - if the downloadable resource associated with the resourcePath cannot be found

RangeNotSatisfiableException - if the requested range cannot be served

setDownloadResourceManagers

public void setDownloadResourceManagers(List<DownloadResourceManager> downloadResourceManagers)