org.dlese.dpc.ndr.toolkit

Class NDRToolkit

java.lang.Object

org.dlese.dpc.ndr.toolkit.NDRToolkit

public class NDRToolkit
extends java.lang.Object

Class for interacting with the NDRToolkit (sorry about the name confusion!).

Initialized using an Agent Identity obtained from NDRConstants (see getNdrAccess method) NOTE: methods that change an objects state should return a HANDLE and not the OBJECT, since the object will not reflect it's actaul state anymore!!

Author:

Jonathan Ostwald

Constructor Summary

Constructors

Constructor and Description
NDRToolkit() Constructor for the ToolKit object

Method Summary

Modifier and Type	Method and Description
void	findNsdlOrgAggregators() Find the aggregators corresponding to NSDL.org collections
org.nsdl.repository.model.types.Resource	findResource(java.lang.String url) Find a resource object for the provided url.
org.nsdl.repository.model.types.Agent	getAgent() Gets the agent attribute of the ToolKit object
org.nsdl.repository.model.types.Aggregator	getAggregator(java.lang.String handle) Gets the aggregator attribute of the NDRToolkit object
void	getAllResources() Find ALL resources in the NDR
org.nsdl.repository.access.Finder	getFinder() Obtains a Finder instance
org.nsdl.repository.model.types.MetadataProvider	getMetadataProvider(java.lang.String handle) Obtain a MetadataProvider object for provided handle
org.nsdl.repository.access.NDRAccess	getNdrAccess() Instantiates a Client instance, configures the client properties to enable it to authenticate with the NDR, and finally obtains access from the client.
org.nsdl.repository.model.types.Resource	getResource(java.lang.String handle) Gets the resource instance from the NDR for the provided resource handle
static void	main(java.lang.String[] args) The main program for the ToolKit class
org.nsdl.repository.model.types.Metadata	newMetadata() Get a new metadata object
org.nsdl.repository.model.types.Resource	newResource() Get a new resource object
static void	prtln(java.lang.String s) NOT YET DOCUMENTED
org.nsdl.repository.model.types.Resource	putContent(java.lang.String resourceUrl, byte[] content, java.lang.String label) Set the provided content into the NDR Resource object having provided resourceUrl
java.lang.String	setResourceContent(org.nsdl.repository.model.types.Resource resource, byte[] content, java.lang.String label) Sets the resourceContent attribute of the NDRToolkit object
java.lang.String	setResourceContent(org.nsdl.repository.model.types.Resource resource, byte[] content, java.lang.String label, java.lang.String mimeType) Sets the resourceContent attribute of the NDRToolkit object
java.lang.String	setResourceContent(org.nsdl.repository.model.types.Resource resource, java.io.File contentFile) Sets the resourceContent of the provided resource object
void	showConfig() Output configuration properties to the console.
java.lang.String	uploadFile(java.io.File contentFile) Create new resource, set content to provided file, and return updated resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

NDRToolkit

public NDRToolkit()

Constructor for the ToolKit object

Method Detail

getNdrAccess

public org.nsdl.repository.access.NDRAccess getNdrAccess()

Instantiates a Client instance, configures the client properties to enable it to authenticate with the NDR, and finally obtains access from the client.

NOTE: AgentHandle and privateKey are NOT required for read operations.

This version gets the ndrAccess WITHOUT USING PROPERTIES FILE, but instead by relying on NDRConstants values ...

Returns:

The ndrAccess value

getFinder

public org.nsdl.repository.access.Finder getFinder()

Obtains a Finder instance

Returns:

The finder value

newResource

public org.nsdl.repository.model.types.Resource newResource()

Get a new resource object

Returns:

NOT YET DOCUMENTED

newMetadata

public org.nsdl.repository.model.types.Metadata newMetadata()

Get a new metadata object

Returns:

NOT YET DOCUMENTED

getResource

public org.nsdl.repository.model.types.Resource getResource(java.lang.String handle)
                                                     throws java.lang.Exception

Gets the resource instance from the NDR for the provided resource handle

Parameters:

handle - NOT YET DOCUMENTED

Returns:

The resource value

Throws:

java.lang.Exception - if handle is not a Resource or Resource cannot be found for handle

getMetadataProvider

public org.nsdl.repository.model.types.MetadataProvider getMetadataProvider(java.lang.String handle)
                                                                     throws java.lang.Exception

Obtain a MetadataProvider object for provided handle

Parameters:

handle - NOT YET DOCUMENTED

Returns:

The metadataProvider value

Throws:

java.lang.Exception - if handle is not a MetadataProvider or MetadataProvider cannot be found for handle

getAggregator

public org.nsdl.repository.model.types.Aggregator getAggregator(java.lang.String handle)
                                                         throws java.lang.Exception

Gets the aggregator attribute of the NDRToolkit object

Parameters:

handle - NOT YET DOCUMENTED

Returns:

The aggregator value

Throws:

java.lang.Exception - if handle is not a Aggregator or Aggregator cannot be found for handle

findResource

public org.nsdl.repository.model.types.Resource findResource(java.lang.String url)
                                                      throws java.lang.Exception

Find a resource object for the provided url.

Parameters:

url - the url

Returns:

NOT YET DOCUMENTED

Throws:

java.lang.Exception - NOT YET DOCUMENTED

showConfig

public void showConfig()

Output configuration properties to the console.

getAllResources

public void getAllResources()
                     throws java.lang.Exception

Find ALL resources in the NDR

Throws:

java.lang.Exception - NOT YET DOCUMENTED

findNsdlOrgAggregators

public void findNsdlOrgAggregators()
                            throws java.lang.Exception

Find the aggregators corresponding to NSDL.org collections

Throws:

java.lang.Exception

getAgent

public org.nsdl.repository.model.types.Agent getAgent()

Gets the agent attribute of the ToolKit object

Returns:

The agent value

uploadFile

public java.lang.String uploadFile(java.io.File contentFile)
                            throws java.lang.Exception

Create new resource, set content to provided file, and return updated resource.

Parameters:

contentFile - NOT YET DOCUMENTED

Returns:

NOT YET DOCUMENTED

Throws:

java.lang.Exception - NOT YET DOCUMENTED

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

The main program for the ToolKit class

Parameters:

args - The command line arguments

Throws:

java.lang.Exception - NOT YET DOCUMENTED

putContent

public org.nsdl.repository.model.types.Resource putContent(java.lang.String resourceUrl,
                                                           byte[] content,
                                                           java.lang.String label)
                                                    throws java.lang.Exception

Set the provided content into the NDR Resource object having provided resourceUrl

Parameters:

resourceUrl - NOT YET DOCUMENTED

content - NOT YET DOCUMENTED

label - NOT YET DOCUMENTED

Returns:

NOT YET DOCUMENTED

Throws:

java.lang.Exception - NOT YET DOCUMENTED

setResourceContent

public java.lang.String setResourceContent(org.nsdl.repository.model.types.Resource resource,
                                           java.io.File contentFile)
                                    throws java.lang.Exception

Sets the resourceContent of the provided resource object

Parameters:

resource - The new resourceContent value

contentFile - The new resourceContent value

Returns:

NOT YET DOCUMENTED

Throws:

java.lang.Exception - NOT YET DOCUMENTED

setResourceContent

public java.lang.String setResourceContent(org.nsdl.repository.model.types.Resource resource,
                                           byte[] content,
                                           java.lang.String label)
                                    throws java.lang.Exception

Sets the resourceContent attribute of the NDRToolkit object

Parameters:

resource - The new resourceContent value

content - The new resourceContent value

label - The new resourceContent value

Returns:

NOT YET DOCUMENTED

Throws:

java.lang.Exception - NOT YET DOCUMENTED

setResourceContent

public java.lang.String setResourceContent(org.nsdl.repository.model.types.Resource resource,
                                           byte[] content,
                                           java.lang.String label,
                                           java.lang.String mimeType)
                                    throws java.lang.Exception

Sets the resourceContent attribute of the NDRToolkit object

Parameters:

resource - The new resourceContent value

content - The new resourceContent value

label - The new resourceContent value

mimeType - The new resourceContent value

Returns:

handle of

Throws:

java.lang.Exception - NOT YET DOCUMENTED

prtln

public static void prtln(java.lang.String s)

NOT YET DOCUMENTED

Parameters:

s - NOT YET DOCUMENTED