org.ow2.weblab.iterator
Class FolderResourceIterator

java.lang.Object
  org.ow2.weblab.iterator.FolderResourceIterator

All Implemented Interfaces:

org.ow2.weblab.core.services.QueueManager

public class FolderResourceIterator
extends java.lang.Object
implements org.ow2.weblab.core.services.QueueManager

This service is able to list resources from a folder. /!\ Only one folder is accessible at a time on a JVM (static variables to ensure thread safe execution)

Author:

CASSIDIAN WebLab team

Date:

Field Summary

protected static java.io.File	folder
protected static java.lang.String	folderPath
static org.apache.commons.logging.Log	LOGGER
protected static java.lang.String	PROPERTY_FILE
protected static java.lang.String	PROPERTY_NAME
protected static java.util.LinkedList<java.lang.String>	resourceList
protected org.ow2.weblab.core.extended.jaxb.WebLabMarshaller	webLabMarshaller folder containing WL resources

Constructor Summary

FolderResourceIterator()

Method Summary

static java.lang.String	getFolderPath()
static int	getNbResources()
protected boolean	hasNext()
void	init()
protected org.ow2.weblab.core.model.Resource	loadNextResource() Load the next resource in the list.
protected int	loadResources()
org.ow2.weblab.core.services.queuemanager.NextResourceReturn	nextResource(org.ow2.weblab.core.services.queuemanager.NextResourceArgs args)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

public static org.apache.commons.logging.Log LOGGER

PROPERTY_FILE

protected static final java.lang.String PROPERTY_FILE

See Also:

Constant Field Values

PROPERTY_NAME

protected static final java.lang.String PROPERTY_NAME

See Also:

Constant Field Values

webLabMarshaller

protected org.ow2.weblab.core.extended.jaxb.WebLabMarshaller webLabMarshaller

folder containing WL resources

folder

protected static java.io.File folder

folderPath

protected static java.lang.String folderPath

resourceList

protected static java.util.LinkedList<java.lang.String> resourceList

Constructor Detail

FolderResourceIterator

public FolderResourceIterator()

Method Detail

loadResources

protected int loadResources()
                     throws java.io.IOException

Throws:

java.io.IOException

init

@PostConstruct
public void init()
          throws java.io.IOException

Throws:

java.io.IOException

loadNextResource

protected org.ow2.weblab.core.model.Resource loadNextResource()

Load the next resource in the list. If we face an error during loading, we try the next one until we find a valid resource or reach the end of the list.

Returns:

the loaded Resource or null if we reached the end of the list.

hasNext

protected boolean hasNext()

nextResource

public org.ow2.weblab.core.services.queuemanager.NextResourceReturn nextResource(org.ow2.weblab.core.services.queuemanager.NextResourceArgs args)
                                                                          throws org.ow2.weblab.core.services.AccessDeniedException,
                                                                                 org.ow2.weblab.core.services.ContentNotAvailableException,
                                                                                 org.ow2.weblab.core.services.EmptyQueueException,
                                                                                 org.ow2.weblab.core.services.InsufficientResourcesException,
                                                                                 org.ow2.weblab.core.services.InvalidParameterException,
                                                                                 org.ow2.weblab.core.services.ServiceNotConfiguredException,
                                                                                 org.ow2.weblab.core.services.UnexpectedException,
                                                                                 org.ow2.weblab.core.services.UnsupportedRequestException

Specified by:

nextResource in interface org.ow2.weblab.core.services.QueueManager

Throws:

org.ow2.weblab.core.services.AccessDeniedException

org.ow2.weblab.core.services.ContentNotAvailableException

org.ow2.weblab.core.services.EmptyQueueException

org.ow2.weblab.core.services.InsufficientResourcesException

org.ow2.weblab.core.services.InvalidParameterException

org.ow2.weblab.core.services.ServiceNotConfiguredException

org.ow2.weblab.core.services.UnexpectedException

org.ow2.weblab.core.services.UnsupportedRequestException

getFolderPath

public static java.lang.String getFolderPath()

getNbResources

public static int getNbResources()