Package org.apache.tapestry5.internal.services

Class MetaDataLocatorImpl

java.lang.Object

org.apache.tapestry5.internal.services.MetaDataLocatorImpl

All Implemented Interfaces:

MetaDataLocator

public class MetaDataLocatorImpl
extends java.lang.Object
implements MetaDataLocator

Constructor Summary

Constructors

Constructor	Description
MetaDataLocatorImpl(SymbolSource symbolSource, TypeCoercer typeCoercer, ComponentModelSource modelSource, java.util.Map<java.lang.String,java.lang.String> configuration)

Method Summary

Modifier and Type	Method	Description
<T> T	findMeta(java.lang.String key, java.lang.String pageName, java.lang.Class<T> expectedType)	Searches for the value for the corresponding key for a particular page name (the page will not be loaded).
<T> T	findMeta(java.lang.String key, ComponentResources resources, java.lang.Class<T> expectedType)	Searches for the value for the corresponding key.
void	setupInvalidation(InvalidationEventHub invalidationEventHub)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetaDataLocatorImpl

public MetaDataLocatorImpl(SymbolSource symbolSource,
                           TypeCoercer typeCoercer,
                           ComponentModelSource modelSource,
                           java.util.Map<java.lang.String,java.lang.String> configuration)

Method Detail

setupInvalidation

@PostInjection
public void setupInvalidation(@ComponentClasses
                              InvalidationEventHub invalidationEventHub)

findMeta

public <T> T findMeta(java.lang.String key,
                      ComponentResources resources,
                      java.lang.Class<T> expectedType)

Description copied from interface: MetaDataLocator

Searches for the value for the corresponding key. The value, if located, will have symbols expanded, and will be type coerced to the desired type.

Specified by:

findMeta in interface MetaDataLocator

Parameters:

key - the key used to locate the meta data (case insensitive)

resources - the resources of the initial component used in the search

Returns:

the value if found (in the component, the component's container, etc. or via a folder default)

findMeta

public <T> T findMeta(java.lang.String key,
                      java.lang.String pageName,
                      java.lang.Class<T> expectedType)

Description copied from interface: MetaDataLocator

Searches for the value for the corresponding key for a particular page name (the page will not be loaded). The value, if located, will have symbols expanded, and will be type coerced to the desired type.

Specified by:

findMeta in interface MetaDataLocator

Parameters:

key - the key used to locate the meta data (case insensitive)

pageName - the name of the page to search

Returns:

the value if found