Package org.zkoss.zk.ui.impl

Class MultiComposer<T extends Component>

java.lang.Object

org.zkoss.zk.ui.impl.MultiComposer<T>

All Implemented Interfaces:

Composer<T>

public class MultiComposer<T extends Component>
extends Object
implements Composer<T>

To proxy a collection of composers.

Since:

5.0.1

Author:

tomyeh

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MultiComposer(Composer<T>[] cs)	The constructor.

Method Summary

Modifier and Type	Method	Description
void	doAfterCompose(T comp)	Invokes after ZK loader creates this component, initializes it and composes all its children, if any.
ComponentInfo	doBeforeCompose(Page page, Component parent, ComponentInfo compInfo)
void	doBeforeComposeChildren(T comp)
boolean	doCatch(Throwable ex)
void	doFinally()
static Composer	getComposer(Page page, Object[] ary)	Returns an instance of composer to represent the specified array of composers, or null if no composer is specified.
boolean	isFullComposerOnly()	Returns whether to invoke only the composer that implements FullComposer.
boolean	setFullComposerOnly(boolean fullOnly)	Sets whether to invoke only the composer that implements FullComposer.

Methods inherited from class java.lang.Object

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

Constructor Details

MultiComposer

protected MultiComposer(Composer<T>[] cs)
                 throws Exception

The constructor. This method is designed to be called by getComposer(org.zkoss.zk.ui.Page, java.lang.Object[]). Use getComposer(org.zkoss.zk.ui.Page, java.lang.Object[]) instead.

Parameters:

cs - the array of composer instances.

Throws:

Exception

Method Details

getComposer

public static Composer getComposer(Page page,
 Object[] ary)
                            throws Exception

Returns an instance of composer to represent the specified array of composers, or null if no composer is specified.

Parameters:

page - used to resolve the class if ary contains a class name. Ignored if null.

ary - an array of Composer instances, or the name of the class, or the class that implements Composer.

Returns:

a composer to represent cs, or null if cs is null or empty.

Throws:

Exception

setFullComposerOnly

public boolean setFullComposerOnly(boolean fullOnly)

Sets whether to invoke only the composer that implements FullComposer.

Default: false

Returns:

the previous value.

Since:

5.0.1

isFullComposerOnly

public boolean isFullComposerOnly()

Returns whether to invoke only the composer that implements FullComposer.

Since:

5.0.1

doAfterCompose

public void doAfterCompose(T comp)
                    throws Exception

Description copied from interface: Composer

Invokes after ZK loader creates this component, initializes it and composes all its children, if any.

Specified by:

doAfterCompose in interface Composer<T extends Component>

Parameters:

comp - the component has been composed

Throws:

Exception

doBeforeCompose

public ComponentInfo doBeforeCompose(Page page,
 Component parent,
 ComponentInfo compInfo)
                              throws Exception

Throws:

Exception

doBeforeComposeChildren

public void doBeforeComposeChildren(T comp)
                             throws Exception

Throws:

Exception

doCatch

public boolean doCatch(Throwable ex)
                throws Exception

Throws:

Exception

doFinally

public void doFinally()
               throws Exception

Throws:

Exception