net.java.dev.webdav.jaxrs

Class ConstantsAdapter<T>

java.lang.Object

javax.xml.bind.annotation.adapters.XmlAdapter<T,T>

net.java.dev.webdav.jaxrs.ConstantsAdapter<T>

Direct Known Subclasses:

CreationDate.Adapter, DisplayName.Adapter, GetContentLanguage.Adapter, GetContentLength.Adapter, GetContentType.Adapter, GetETag.Adapter, GetLastModified.Adapter, LockDiscovery.Adapter, LockScope.Adapter, ResourceType.Adapter, SupportedLock.Adapter, TimeOut.Adapter

public abstract class ConstantsAdapter<T>
extends XmlAdapter<T,T>

Guarantees that any unmarshalled enum constants effectively are the constant Java instances itself, so that == can be used for comparison. Subclass must provide the constants to be used instead of an equal value by getConstants().

Since:

1.2

Constructor Summary

Constructors

Constructor and Description
ConstantsAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract Collection<T>	getConstants()
T	marshal(T value)
T	unmarshal(T value)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantsAdapter

public ConstantsAdapter()

Method Detail

marshal

public final T marshal(T value)
                throws Exception

Specified by:

marshal in class XmlAdapter<T,T>

Throws:

Exception

unmarshal

public final T unmarshal(T value)
                  throws Exception

Specified by:

unmarshal in class XmlAdapter<T,T>

Throws:

Exception

getConstants

protected abstract Collection<T> getConstants()

Returns:

Constant instances to be returned by marshal(Object) as a replacement for any equal instances. Must not be null.