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novaworx.resource
Class Resource  

java.lang.Object
  cosmoworx.data.DataNode
      novaworx.resource.Resource

All Implemented Interfaces:

cosmoworx.data.Node, cosmoworx.data.RealNode

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public final class Resource

extends cosmoworx.data.DataNode

Represents a resource.

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Nested Class Summary
private  class	Resource.ResourceMonitor           A class to monitor the modified date of the resource and cause reload requests when the resource was modified by an outside process.

 

Field Summary
private  boolean	mbActive           The active flag.
private  boolean	mbLoaded           The loaded flag.
private  boolean	mbOpen           The open flag.
private  ResourceDelegate	moDelegate           The delegate that handles special implementation needs.
private  Resource.ResourceMonitor	moMonitor           The ResourceMonitor for this resource.
private static java.util.Timer	moMonitorTimer           The Timer for the ResourceMonitor objects.
private  java.util.Vector	mvResourceListeners           The ResourceListener list.

 

Fields inherited from class cosmoworx.data.DataNode

 

Constructor Summary

Resource(java.net.URI aoURI)           Construct a Resource.

 

Method Summary
void	addResourceListener(ResourceListener aoListener)           Add a ResourceListener.
void	close()           Close the resource.
boolean	equals(java.lang.Object aoObject)           Check for equality.
boolean	exists()           Does the resource exist.
void	finalize()           Finalize the object.
(package private)  void	fireResourceActivated()           Send an event that the resource is available.
(package private)  void	fireResourceDeactivated()           Send an event that the resource is available.
(package private)  void	fireResourceLoaded()           Send an event that the resource has been loaded.
(package private)  void	fireResourceSaved()           Send an event that the resource has been saved.
ResourceDelegate	getDelegate()           Get the delegate that handles specific tasks.
long	getLastModified()           Get the last date the resource was modified.
java.net.URI	getURI()           Get the URI for this resource.
boolean	isActive()           Is the resource available after being opened or closed.
boolean	isContainer()           Is the resource a container for other resources.
boolean	isLoaded()           Ts the resource loaded.
boolean	isOpen()           Is the resource open.
boolean	isReadable()           Is the resource readable.
boolean	isWritable()           Is the resource writable.
void	load()           Load the resource.
void	open()           Open the resource.
void	removeResourceListener(ResourceListener aoListener)           Remove a ResourceListener.
void	save()           Save the resource.
(package private)  void	setActive(boolean abActive)           Set the active flag.
void	setDelegate(ResourceDelegate aoDelegate)           Set the delegate that handles specific tasks.
java.lang.String	toString()           The string representation of the resource.

 

Methods inherited from class cosmoworx.data.DataNode

add, addNodeListener, clear, contains, copyFrom, get, get, getAttributeKeys, getBoolean, getBoolean, getChild, getChildCount, getDouble, getDouble, getFloat, getFloat, getIndex, getInt, getInt, getLong, getLong, getModifiedChildCount, getParent, getRealNode, getResource, getResourceKeys, insert, insertAfter, insertBefore, isModified, remove, removeNodeListener, set, setBoolean, setDouble, setFloat, setInt, setLong, setModified, setModifyForChildren, setResource

 

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

mbOpen

private boolean mbOpen

The open flag.

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mbLoaded

private boolean mbLoaded

The loaded flag.

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mbActive

private boolean mbActive

The active flag.

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moDelegate

private ResourceDelegate moDelegate

The delegate that handles special implementation needs.

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mvResourceListeners

private java.util.Vector mvResourceListeners

The ResourceListener list.

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moMonitor

private Resource.ResourceMonitor moMonitor

The ResourceMonitor for this resource.

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moMonitorTimer

private static java.util.Timer moMonitorTimer

The Timer for the ResourceMonitor objects.

Constructor Detail

Resource

public Resource(java.net.URI aoURI)

Construct a Resource.

Method Detail

getURI

public java.net.URI getURI()

Get the URI for this resource.

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setDelegate

public void setDelegate(ResourceDelegate aoDelegate)

Set the delegate that handles specific tasks.

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getDelegate

public ResourceDelegate getDelegate()

Get the delegate that handles specific tasks.

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setActive

void setActive(boolean abActive)

Set the active flag.

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isActive

public boolean isActive()

Is the resource available after being opened or closed.

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open

public void open()
          throws ResourceException

Open the resource.

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load

public void load()
          throws ResourceException

Load the resource.

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save

public void save()
          throws ResourceException

Save the resource.

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close

public void close()
           throws ResourceException

Close the resource.

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isOpen

public boolean isOpen()

Is the resource open.

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isLoaded

public boolean isLoaded()

Ts the resource loaded.

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exists

public boolean exists()
               throws ResourceException

Does the resource exist.

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isReadable

public boolean isReadable()
                   throws ResourceException

Is the resource readable. Returns false until the resource is opened.

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isWritable

public boolean isWritable()
                   throws ResourceException

Is the resource writable. Returns false until the resource is opened.

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isContainer

public boolean isContainer()
                    throws ResourceException

Is the resource a container for other resources.

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getLastModified

public long getLastModified()
                     throws ResourceException

Get the last date the resource was modified.

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addResourceListener

public void addResourceListener(ResourceListener aoListener)

Add a ResourceListener.

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removeResourceListener

public void removeResourceListener(ResourceListener aoListener)

Remove a ResourceListener.

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toString

public java.lang.String toString()

The string representation of the resource. This returns URI.toString().

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equals

public boolean equals(java.lang.Object aoObject)

Check for equality.

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finalize

public void finalize()

Finalize the object.

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fireResourceLoaded

void fireResourceLoaded()

Send an event that the resource has been loaded.

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fireResourceSaved

void fireResourceSaved()

Send an event that the resource has been saved.

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fireResourceActivated

void fireResourceActivated()

Send an event that the resource is available.

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fireResourceDeactivated

void fireResourceDeactivated()

Send an event that the resource is available.

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