org.zkoss.zk.scripting.util
Class AbstractNamespace

java.lang.Object
  org.zkoss.zk.scripting.util.AbstractNamespace

All Implemented Interfaces:

Namespace

Direct Known Subclasses:

SimpleNamespace

public abstract class AbstractNamespace
extends java.lang.Object
implements Namespace

A skeletal class for implementing Namespace.

Author:

tomyeh

Constructor Summary

AbstractNamespace()

Method Summary

boolean	addChangeListener(NamespaceChangeListener listener) Adds a change listener to listen whether this namespace is changed.
protected void	notifyAdd(java.lang.String name, java.lang.Object value) Invokes NamespaceChangeListener.onAdd(java.lang.String, java.lang.Object) for registered listeners.
protected void	notifyParentChanged(Namespace newparent) Invokes NamespaceChangeListener.onParentChanged(org.zkoss.zk.scripting.Namespace) for registered listeners.
protected void	notifyRemove(java.lang.String name) Invokes NamespaceChangeListener.onRemove(java.lang.String) for registered listeners.
boolean	removeChangeListener(NamespaceChangeListener listener) Removes a change listener from this namespace.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.zkoss.zk.scripting.Namespace

containsVariable, getParent, getVariable, getVariableNames, setParent, setVariable, unsetVariable

Constructor Detail

AbstractNamespace

public AbstractNamespace()

Method Detail

notifyAdd

protected void notifyAdd(java.lang.String name,
                         java.lang.Object value)

Invokes NamespaceChangeListener.onAdd(java.lang.String, java.lang.Object) for registered listeners.

See Also:

addChangeListener(org.zkoss.zk.scripting.NamespaceChangeListener)

notifyRemove

protected void notifyRemove(java.lang.String name)

Invokes NamespaceChangeListener.onRemove(java.lang.String) for registered listeners.

See Also:

addChangeListener(org.zkoss.zk.scripting.NamespaceChangeListener)

notifyParentChanged

protected void notifyParentChanged(Namespace newparent)

Invokes NamespaceChangeListener.onParentChanged(org.zkoss.zk.scripting.Namespace) for registered listeners.

See Also:

addChangeListener(org.zkoss.zk.scripting.NamespaceChangeListener)

addChangeListener

public boolean addChangeListener(NamespaceChangeListener listener)

Description copied from interface: Namespace

Adds a change listener to listen whether this namespace is changed. The listener is called when a variable is added, removed, or the parent is changed.

Specified by:

addChangeListener in interface Namespace

Returns:

wether the resolver is added successfully. Note: if the resolver was added before, it won't be added again and this method returns false.

removeChangeListener

public boolean removeChangeListener(NamespaceChangeListener listener)

Description copied from interface: Namespace

Removes a change listener from this namespace.

Specified by:

removeChangeListener in interface Namespace

Returns:

false if resolved is not added before.