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TypeMappingRegistryImpl (JAXRPC API) - JBoss 3.2.7 jaxrpc API Documentation 英文版文档

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org.apache.axis.encoding
Class TypeMappingRegistryImpl

java.lang.Object
  org.apache.axis.encoding.TypeMappingRegistryImpl

All Implemented Interfaces:

Serializable, javax.xml.rpc.encoding.TypeMappingRegistry, TypeMappingRegistry

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public class TypeMappingRegistryImpl

extends Object

implements TypeMappingRegistry

The TypeMappingRegistry keeps track of the individual TypeMappings.

The TypeMappingRegistry for axis contains a default type mapping that is set for either SOAP 1.1 or SOAP 1.2 The default type mapping is a singleton used for the entire runtime and should not have anything new registered in it.

Instead the new TypeMappings for the deploy and service are made in a separate TypeMapping which is identified by the soap encoding. These new TypeMappings delegate back to the default type mapping when information is not found.

So logically we have:

         TMR
         | |
         | +---------------> DefaultTM
         |                      ^
         |                      |
         +----> TM --delegate---+
 

But in the implementation, the TMR references "delegate" TypeMappings (TM') which then reference the actual TM's

So the picture is really:

         TMR
         | |
         | +-----------TM'------> DefaultTM
         |              ^
         |              |
         +-TM'-> TM ----+
 

This extra indirection is necessary because the user may want to change the default type mapping. In such cases, the TMR just needs to adjust the TM' for the DefaultTM, and all of the other TMs will properly delegate to the new one. Here's the picture:

         TMR
         | |
         | +-----------TM'--+     DefaultTM
         |              ^   |
         |              |   +---> New User Defined Default TM
         +-TM'-> TM ----+
 

The other reason that it is necessary is when a deploy has a TMR, and then TMR's are defined for the individual services in such cases the delegate() method is invoked on the service to delegate to the deploy TMR

       Deploy TMR
         | |
         | +-----------TM'------> DefaultTM
         |              ^
         |              |
         +-TM'-> TM ----+
 

       Service TMR
         | |
         | +-----------TM'------> DefaultTM
         |              ^
         |              |
         +-TM'-> TM ----+
 

    ServiceTMR.delegate(DeployTMR)
 

       Deploy TMR
         | |
         | +------------TM'------> DefaultTM
         |              ^ ^
         |              | |
         +-TM'-> TM ----+ |
           ^              |
   +-------+              |
   |                      |
   |   Service TMR        |
   |     | |              |
   |     | +----------TM'-+
   |     |
   |     |
   |     +-TM'-> TM +
   |                |
   +----------------+
 

So now the service uses the DefaultTM of the Deploy TMR, and the Service TM properly delegates to the deploy's TM. And if either the deploy defaultTM or TMs change, the links are not broken.

Author:

James Snell (jasnell@us.ibm.com), Sam Ruby (rubys@us.ibm.com) Re-written for JAX-RPC Compliance by, Rich Scheuerle (scheu@us.ibm.com

See Also:

Serialized Form

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Constructor Summary

TypeMappingRegistryImpl()           Construct TypeMappingRegistry

 

Method Summary
void	clear()           Removes all TypeMappings and namespaceURIs from this TypeMappingRegistry.
javax.xml.rpc.encoding.TypeMapping	createTypeMapping()           Creates a new empty TypeMapping object for the specified encoding style or XML schema namespace.
void	delegate(TypeMappingRegistry secondaryTMR)           delegate Changes the contained type mappings to delegate to their corresponding types in the secondary TMR.
javax.xml.rpc.encoding.TypeMapping	getDefaultTypeMapping()           Return the default TypeMapping
TypeMapping	getOrMakeTypeMapping(String encodingStyle)           Obtain a type mapping for the given encodingStyle.
String[]	getRegisteredEncodingStyleURIs()           Gets a list of namespace URIs registered with this TypeMappingRegistry.
javax.xml.rpc.encoding.TypeMapping	getTypeMapping(String namespaceURI)           Gets the TypeMapping for the namespace.
javax.xml.rpc.encoding.TypeMapping	register(String namespaceURI, javax.xml.rpc.encoding.TypeMapping mapping)           The method register adds a TypeMapping instance for a specific namespace
void	registerDefault(javax.xml.rpc.encoding.TypeMapping mapping)           The method register adds a default TypeMapping instance.
boolean	removeTypeMapping(javax.xml.rpc.encoding.TypeMapping mapping)           Removes the TypeMapping for the namespace.
javax.xml.rpc.encoding.TypeMapping	unregisterTypeMapping(String namespaceURI)           Unregisters the TypeMapping for the namespace.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

TypeMappingRegistryImpl

public TypeMappingRegistryImpl()

Construct TypeMappingRegistry

Method Detail

delegate

public void delegate(TypeMappingRegistry secondaryTMR)

delegate

Changes the contained type mappings to delegate to their corresponding types in the secondary TMR.

Specified by:

delegate in interface TypeMappingRegistry

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register

public javax.xml.rpc.encoding.TypeMapping register(String namespaceURI,
                                                   javax.xml.rpc.encoding.TypeMapping mapping)

The method register adds a TypeMapping instance for a specific namespace

Specified by:

register in interface javax.xml.rpc.encoding.TypeMappingRegistry

Parameters:

namespaceURI -

mapping - - TypeMapping for specific namespaces

Returns:

Previous TypeMapping associated with the specified namespaceURI, or null if there was no TypeMapping associated with the specified namespaceURI

Throws:

JAXRPCException - - If there is any error in the registration of the TypeMapping for the specified namespace URI

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registerDefault

public void registerDefault(javax.xml.rpc.encoding.TypeMapping mapping)

The method register adds a default TypeMapping instance. If a specific TypeMapping is not found, the default TypeMapping is used.

Specified by:

registerDefault in interface javax.xml.rpc.encoding.TypeMappingRegistry

Parameters:

mapping - - TypeMapping for specific type namespaces

java.lang.IllegalArgumentException - if an invalid type mapping is specified or the delegate is already set

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getTypeMapping

public javax.xml.rpc.encoding.TypeMapping getTypeMapping(String namespaceURI)

Gets the TypeMapping for the namespace. If not found, the default TypeMapping is returned.

Specified by:

getTypeMapping in interface javax.xml.rpc.encoding.TypeMappingRegistry

Parameters:

namespaceURI - - The namespace URI of a Web Service

Returns:

The registered TypeMapping (which may be the default TypeMapping) or null.

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getOrMakeTypeMapping

public TypeMapping getOrMakeTypeMapping(String encodingStyle)

Obtain a type mapping for the given encodingStyle. If no specific mapping exists for this encodingStyle, we will create and register one before returning it.

Specified by:

getOrMakeTypeMapping in interface TypeMappingRegistry

Parameters:

encodingStyle -

Returns:

a registered TypeMapping for the given encodingStyle

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unregisterTypeMapping

public javax.xml.rpc.encoding.TypeMapping unregisterTypeMapping(String namespaceURI)

Unregisters the TypeMapping for the namespace.

Specified by:

unregisterTypeMapping in interface javax.xml.rpc.encoding.TypeMappingRegistry

Parameters:

namespaceURI - - The namespace URI

Returns:

The registered TypeMapping .

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removeTypeMapping

public boolean removeTypeMapping(javax.xml.rpc.encoding.TypeMapping mapping)

Removes the TypeMapping for the namespace.

Specified by:

removeTypeMapping in interface javax.xml.rpc.encoding.TypeMappingRegistry

Parameters:

mapping - The type mapping to remove

Returns:

true if found and removed

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createTypeMapping

public javax.xml.rpc.encoding.TypeMapping createTypeMapping()

Creates a new empty TypeMapping object for the specified encoding style or XML schema namespace.

Specified by:

createTypeMapping in interface javax.xml.rpc.encoding.TypeMappingRegistry

Returns:

An empty generic TypeMapping object

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getRegisteredEncodingStyleURIs

public String[] getRegisteredEncodingStyleURIs()

Gets a list of namespace URIs registered with this TypeMappingRegistry.

Specified by:

getRegisteredEncodingStyleURIs in interface javax.xml.rpc.encoding.TypeMappingRegistry

Returns:

String[] containing names of all registered namespace URIs

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clear

public void clear()

Removes all TypeMappings and namespaceURIs from this TypeMappingRegistry.

Specified by:

clear in interface javax.xml.rpc.encoding.TypeMappingRegistry

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getDefaultTypeMapping

public javax.xml.rpc.encoding.TypeMapping getDefaultTypeMapping()

Return the default TypeMapping

Specified by:

getDefaultTypeMapping in interface javax.xml.rpc.encoding.TypeMappingRegistry

Returns:

TypeMapping or null

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