Package org.apache.tapestry5.internal

Class URLEventContext

java.lang.Object

org.apache.tapestry5.internal.AbstractEventContext

org.apache.tapestry5.internal.URLEventContext

All Implemented Interfaces:

EventContext

public class URLEventContext
extends AbstractEventContext

Implementation based on values extracted from the URL (an event context, or a page activation context) that uses a ContextValueEncoder to convert from string values to the desired values.

Constructor Summary

Constructors

Constructor	Description
URLEventContext(ContextValueEncoder valueEncoder, java.lang.String[] values)

Method Summary

Modifier and Type	Method	Description
<T> T	get(java.lang.Class<T> desiredType, int index)	Extracts a parameter value and coerces or decodes it to the desired type.
int	getCount()	Returns the number of parameter values that can be extracted.

Methods inherited from class org.apache.tapestry5.internal.AbstractEventContext

isEmpty, toString, toStrings, tryGet

Methods inherited from class java.lang.Object

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

Constructor Detail

URLEventContext

public URLEventContext(ContextValueEncoder valueEncoder,
                       java.lang.String[] values)

Method Detail

getCount

public int getCount()

Description copied from interface: EventContext

Returns the number of parameter values that can be extracted.

get

public <T> T get(java.lang.Class<T> desiredType,
                 int index)

Description copied from interface: EventContext

Extracts a parameter value and coerces or decodes it to the desired type.

Parameters:

desiredType - the type of value required

index - identifies which parameter value to extract

Returns:

the value extracted and converted or coerced