org.apache.tapestry.record
Class AbstractPrefixedClientPropertyPersistenceScope

java.lang.Object
  org.apache.tapestry.record.AbstractPrefixedClientPropertyPersistenceScope

All Implemented Interfaces:

ClientPropertyPersistenceScope

Direct Known Subclasses:

AppClientPropertyPersistenceScope, PageClientPropertyPersistenceScope

public abstract class AbstractPrefixedClientPropertyPersistenceScope
extends Object
implements ClientPropertyPersistenceScope

Base implementation of ClientPropertyPersistenceScope wherein the scopes are recognized via a prefix on the page name to form the query parameter name. Capiche?

Since:

4.0

Author:

Howard Lewis Ship

Constructor Summary

AbstractPrefixedClientPropertyPersistenceScope(String prefix)

Method Summary

String	constructParameterName(String pageName) Constructs a parameter name for a particular page name.
String	extractPageName(String parameterName) Extracts a page name from a query parameter name.
boolean	isParameterForScope(String parameterName) Checks a parameter to see if it was the result of ClientPropertyPersistenceScope.constructParameterName(String) for this persistence scope.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tapestry.record.ClientPropertyPersistenceScope

shouldEncodeState

Constructor Detail

AbstractPrefixedClientPropertyPersistenceScope

public AbstractPrefixedClientPropertyPersistenceScope(String prefix)

Method Detail

constructParameterName

public String constructParameterName(String pageName)

Description copied from interface: ClientPropertyPersistenceScope

Constructs a parameter name for a particular page name. The parameter name can be recognized (in a later request) by the ClientPropertyPersistenceScope.isParameterForScope(String) method.

Specified by:

constructParameterName in interface ClientPropertyPersistenceScope

Parameters:

pageName - the name of the page for which a corresponding parameter name should be generated.

isParameterForScope

public boolean isParameterForScope(String parameterName)

Description copied from interface: ClientPropertyPersistenceScope

Checks a parameter to see if it was the result of ClientPropertyPersistenceScope.constructParameterName(String) for this persistence scope.

Specified by:

isParameterForScope in interface ClientPropertyPersistenceScope

Parameters:

parameterName - a query parameter name

Returns:

true if the parameterName was genereted (i.e., is properly prefixed) by this scope, false otherwise.

extractPageName

public String extractPageName(String parameterName)

Description copied from interface: ClientPropertyPersistenceScope

Extracts a page name from a query parameter name.

Specified by:

extractPageName in interface ClientPropertyPersistenceScope

Parameters:

parameterName - the paramter name, for which {@link #isParameterForScope(String) must return true

Returns:

the name of the page