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

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org.apache.axis.providers.java
Class JavaProvider

java.lang.Object
  org.apache.axis.handlers.BasicHandler
      org.apache.axis.providers.BasicProvider
          org.apache.axis.providers.java.JavaProvider

All Implemented Interfaces:: Handler, Serializable

Direct Known Subclasses:: MsgProvider, RPCProvider

public abstract class JavaProvider
extends BasicProvider

Base class for Java dispatching. Fetches various fields out of envelope, looks up service object (possibly using session state), and delegates envelope body processing to subclass via abstract processMessage method.

Author:: Doug Davis (dug@us.ibm.com), Carl Woolf (cwoolf@macromedia.com)
See Also:: Serialized Form

Field Summary

static String OPTION_ALLOWEDMETHODS


static String OPTION_CLASSNAME


static String OPTION_CLASSPATH


static String OPTION_IS_STATIC


static String OPTION_SCOPE


static String OPTION_WSDL_INPUTSCHEMA


static String OPTION_WSDL_PORTTYPE


static String OPTION_WSDL_SERVICEELEMENT


static String OPTION_WSDL_SERVICEPORT


static String OPTION_WSDL_TARGETNAMESPACE


Fields inherited from class org.apache.axis.handlers.BasicHandler

makeLockable, name, options

Constructor Summary

JavaProvider()


Method Summary

void generateWSDL(MessageContext msgContext)
          Generate the WSDL for this service.

protected Class getServiceClass(String clsName, SOAPService service, MessageContext msgContext)
          Returns the Class info about the service class.

protected String getServiceClassName(Handler service)
          Return the class name of the service

protected String getServiceClassNameOptionName()
          Return the option in the configuration that contains the service class name

Object getServiceObject(MessageContext msgContext, Handler service, String clsName, javax.xml.rpc.holders.IntHolder scopeHolder)
          Get the service object whose method actually provides the service.

void initServiceDesc(SOAPService service, MessageContext msgContext)
          Fill in a service description with the correct impl class and typemapping set.

void invoke(MessageContext msgContext)
          Invoke the message by obtaining various common fields, looking up the service object (via getServiceObject), and actually processing the message (via processMessage).

protected Object makeNewServiceObject(MessageContext msgContext, String clsName)
          Default java service object comes from simply instantiating the class wrapped in jc

protected void processException(Exception ex)
          Externalize exception handling

abstract void processMessage(MessageContext msgContext, SOAPEnvelopeAxisImpl reqEnv, SOAPEnvelopeAxisImpl resEnv, Object obj)
          Process the current message.

Methods inherited from class org.apache.axis.providers.BasicProvider

addOperation, getOperationName, getOperationNames, getOperationQNames

Methods inherited from class org.apache.axis.handlers.BasicHandler

canHandleBlock, cleanup, getDeploymentData, getName, getOption, getOptions, getUnderstoodHeaders, init, initHashtable, onFault, setName, setOption, setOptionDefault, setOptions, setOptionsLockable

Methods inherited from class java.lang.Object

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

Field Detail

OPTION_CLASSNAME

public static final String OPTION_CLASSNAME

See Also:: Constant Field Values

OPTION_ALLOWEDMETHODS

public static final String OPTION_ALLOWEDMETHODS

See Also:: Constant Field Values

OPTION_IS_STATIC

public static final String OPTION_IS_STATIC

See Also:: Constant Field Values

OPTION_CLASSPATH

public static final String OPTION_CLASSPATH

See Also:: Constant Field Values

OPTION_WSDL_PORTTYPE

public static final String OPTION_WSDL_PORTTYPE

See Also:: Constant Field Values

OPTION_WSDL_SERVICEELEMENT

public static final String OPTION_WSDL_SERVICEELEMENT

See Also:: Constant Field Values

OPTION_WSDL_SERVICEPORT

public static final String OPTION_WSDL_SERVICEPORT

See Also:: Constant Field Values

OPTION_WSDL_TARGETNAMESPACE

public static final String OPTION_WSDL_TARGETNAMESPACE

See Also:: Constant Field Values

OPTION_WSDL_INPUTSCHEMA

public static final String OPTION_WSDL_INPUTSCHEMA

See Also:: Constant Field Values

OPTION_SCOPE

public static final String OPTION_SCOPE

See Also:: Constant Field Values

Constructor Detail

JavaProvider

public JavaProvider()

Method Detail

getServiceObject

public Object getServiceObject(MessageContext msgContext,
                               Handler service,
                               String clsName,
                               javax.xml.rpc.holders.IntHolder scopeHolder)
                        throws Exception

Get the service object whose method actually provides the service. May look up in session table.

Throws:: Exception

processMessage

public abstract void processMessage(MessageContext msgContext,
                                    SOAPEnvelopeAxisImpl reqEnv,
                                    SOAPEnvelopeAxisImpl resEnv,
                                    Object obj)
                             throws Exception

Process the current message. Side-effect resEnv to create return value.

Parameters:: msgContext - self-explanatory; reqEnv - the request envelope; resEnv - the response envelope; obj - the service object itself
Throws:: Exception

invoke

public void invoke(MessageContext msgContext)
            throws AxisFault

Invoke the message by obtaining various common fields, looking up the service object (via getServiceObject), and actually processing the message (via processMessage).

Specified by:: invoke in interface Handler
Specified by:: invoke in class BasicHandler

Throws:: AxisFault

processException

protected void processException(Exception ex)
                         throws AxisFault

Externalize exception handling

Parameters:: ex - Exception during message processing
Throws:: AxisFault - The generated Axis fault

generateWSDL

public void generateWSDL(MessageContext msgContext)
                  throws AxisFault

Generate the WSDL for this service.

Put in the "WSDL" property of the message context as a org.w3c.dom.Document

Specified by:: generateWSDL in interface Handler
Overrides:: generateWSDL in class BasicProvider

Throws:: AxisFault

makeNewServiceObject

protected Object makeNewServiceObject(MessageContext msgContext,
                                      String clsName)
                               throws Exception

Default java service object comes from simply instantiating the class wrapped in jc

Throws:: Exception

getServiceClassName

protected String getServiceClassName(Handler service)

Return the class name of the service

getServiceClassNameOptionName

protected String getServiceClassNameOptionName()

Return the option in the configuration that contains the service class name

getServiceClass

protected Class getServiceClass(String clsName,
                                SOAPService service,
                                MessageContext msgContext)
                         throws AxisFault

Returns the Class info about the service class.

Throws:: AxisFault

initServiceDesc

public void initServiceDesc(SOAPService service,
                            MessageContext msgContext)
                     throws AxisFault

Fill in a service description with the correct impl class and typemapping set. This uses methods that can be overridden by other providers (like the EJBProvider) to get the class from the right place.

Specified by:: initServiceDesc in class BasicProvider

Throws:: AxisFault