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## org.apache.axis
Class MessageContext

    java.lang.Object
      |
      +--org.apache.axis.MessageContext

All Implemented Interfaces:
  MessageContext, SOAPMessageContext

public class MessageContext
extends java.lang.Object
implements SOAPMessageContext

A MessageContext is the Axis implementation of the javax SOAPMessageContext class, and is core to message processing in handlers and other parts of the system. This class also contains constants for accessing some well-known properties. Using a hierarchical namespace is strongly suggested in order to lower the chance for conflicts. (These constants should be viewed as an explicit list of well known and widely used context keys, there's nothing wrong with directly using the key strings. This is the reason for the hierarchical constant namespace. Actually I think we might just list the keys in the docs and provide no such constants since they create yet another namespace, but we'd have no compile-time checks then. Whaddya think? - todo by Jacek)

Author:
  Doug Davis (dug@us.ibm.com), Jacek Kopecky (jacek@idoox.com)

Field Summary
`static java.lang.String` | `ACCEPTMISSINGPARAMS` A boolean param, to control whether we accept missing parameters as nulls or refuse to acknowledge them.
`static java.lang.String` | `ATTACHMENTS_DIR` The directory where in coming attachments are created.
`static java.lang.String` | `AUTHUSER` Place to store an AuthenticatedUser
`static java.lang.String` | `CALL` If on the client - this is the Call object
`static java.lang.String` | `ENGINE_HANDLER` Contains an instance of Handler, which is the ServiceContext and the entrypoint of this service.
`static java.lang.String` | `HTTP_TRANSPORT_VERSION` The value of the property is used by service WSDL generation (aka ?WSDL) Set this property to request a certain level of HTTP.
`static java.lang.String` | `IS_MSG` Are we doing Msg vs RPC? - For Java Binding
`protected static org.apache.commons.logging.Log` | `log`
`static java.lang.String` | `QUIT_REQUESTED` Has a quit been requested? Hackish...
`static java.lang.String` | `SECURITY_PROVIDER`
`protected static java.lang.String` | `systemTempDir` temporary directory to store attachments
`static java.lang.String` | `TRANS_URL` This String is the URL that the message came to
`static java.lang.String` | `WSDLGEN_INTFNAMESPACE` The value of the property is used by service WSDL generation (aka ?WSDL) For the service's interface namespace if not set TRANS_URL property is used.
`static java.lang.String` | `WSDLGEN_SERV_LOC_URL` The value of the property is used by service WSDL generation (aka ?WSDL) For the service's location if not set TRANS_URL property is used.

Constructor Summary
`MessageContext(AxisEngine engine)` Create a message context.

Method Summary
`boolean` | `containsProperty(java.lang.String name)` Returns true if the MessageContext contains a property with the specified name.
`AxisEngine` | `getAxisEngine()` get the axis engine.
`java.lang.ClassLoader` | `getClassLoader()` get the classloader, implicitly binding to the thread context classloader if an override has not been supplied
`static MessageContext` | `getCurrentContext()` Get the active message context.
`Message` | `getCurrentMessage()` Return the current (i.e.
`java.lang.String` | `getEncodingStyle()` Returns the encoding style as a URI that should be used for the SOAP message.
`boolean` | `getMaintainSession()` Are we maintaining session state?
`SOAPMessage` | `getMessage()` Gets the SOAPMessage from this message context
`OperationDesc` | `getOperation()` the current operation
`OperationDesc` | `getOperationByQName(QName qname)` get the first possible operation that could match a body containing an element of the given QName.
`Style` | `getOperationStyle()` Get the operation style.
`Use` | `getOperationUse()` Get the operation use.
`java.lang.String` | `getPassword()` Get the password
`boolean` | `getPastPivot()` Determine when we've passed the pivot
`OperationDesc[]` | `getPossibleOperationsByQName(QName qname)` getPossibleOperationsByQName Returns a list of operation descriptors that could may possibly match a body containing an element of the given QName.
`java.lang.Object` | `getProperty(java.lang.String name)` Returns the value associated with the named property - or null if not defined/set.
`java.util.Iterator` | `getPropertyNames()` Returns an Iterator view of the names of the properties in this MessageContext
`Message` | `getRequestMessage()` Get the request message.
`Message` | `getResponseMessage()` Get the response message.
`java.lang.String[]` | `getRoles()` Not (yet) implemented method in the SOAPMessageContext interface Gets the SOAP actor roles associated with an execution of the HandlerChain and its contained Handler instances.
`SchemaVersion` | `getSchemaVersion()` Schema version information
`SOAPService` | `getService()`
`Session` | `getSession()` Sessions
`java.lang.String` | `getSOAPActionURI()` Get the soapAction URI.
`SOAPConstants` | `getSOAPConstants()` SOAP constants
`java.lang.String` | `getStrProp(java.lang.String propName)` Just a util so we don't have to cast the result
`java.lang.String` | `getTargetService()`
`int` | `getTimeout()` Get timeout from our MessageContext.
`java.lang.String` | `getTransportName()` Transport
`TypeMapping` | `getTypeMapping()` Return the type mapping currently in scope for our encoding style
`TypeMappingRegistry` | `getTypeMappingRegistry()` Get the currently in-scope type mapping registry.
`java.lang.String` | `getUsername()` Get the user name
`boolean` | `isClient()` Let us know whether this is the client or the server.
`boolean` | `isEncoded()` Encoding
`boolean` | `isHighFidelity()`
`boolean` | `isPropertyTrue(java.lang.String propName)` Tests to see if the named property is set in the 'bag'.
`boolean` | `isPropertyTrue(java.lang.String propName, boolean defaultVal)` Tests to see if the named property is set in the 'bag'.
`void` | `removeProperty(java.lang.String propName)` Removes a property (name-value pair) from the `MessageContext`
`void` | `reset()`
`void` | `setClassLoader(java.lang.ClassLoader cl)` set a new classloader
`void` | `setCurrentMessage(Message curMsg)` Set the current (i.e.
`void` | `setEncodingStyle(java.lang.String namespaceURI)` Sets the encoding style to the URI passed in.
`void` | `setHighFidelity(boolean highFidelity)`
`void` | `setMaintainSession(boolean yesno)` Set whether we are maintaining session state
`void` | `setMessage(SOAPMessage message)` Sets the SOAPMessage for this message context
`void` | `setOperation(OperationDesc operation)` set the current operation
`void` | `setPassword(java.lang.String password)` Set the password.
`void` | `setPastPivot(boolean pastPivot)` Indicate when we've passed the pivot
`void` | `setProperty(java.lang.String name, java.lang.Object value)` Allows you to set a named property to the passed in value.
`void` | `setPropertyParent(java.util.Hashtable parent)`
`void` | `setRequestMessage(Message reqMsg)` Set the request message, and make sure that message is associated with this MessageContext.
`void` | `setResponseMessage(Message respMsg)` Set the response message, and make sure that message is associated with this MessageContext.
`void` | `setSchemaVersion(SchemaVersion schemaVersion)`
`void` | `setService(SOAPService sh)`
`void` | `setSession(Session session)`
`void` | `setSOAPActionURI(java.lang.String SOAPActionURI)` Set the soapAction URI.
`void` | `setSOAPConstants(SOAPConstants soapConstants)`
`void` | `setTargetService(java.lang.String tServ)` Set the target service for this message.
`void` | `setTimeout(int value)` Set timeout in our MessageContext.
`void` | `setTransportName(java.lang.String transportName)`
`void` | `setTypeMappingRegistry(TypeMappingRegistry reg)` replace the engine's type mapping registry with a local one
`void` | `setUsername(java.lang.String username)` Set the username.
`void` | `setUseSOAPAction(boolean useSOAPAction)` Should soapAction be used?
`boolean` | `useSOAPAction()` Are we using soapAction?

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### log

    protected static org.apache.commons.logging.Log log

### systemTempDir

    protected static java.lang.String systemTempDir

  temporary directory to store attachments

### ENGINE_HANDLER

    public static final java.lang.String ENGINE_HANDLER

  Contains an instance of Handler, which is the ServiceContext and the entrypoint of this service. (if it has been so configured - will our deployment tool do this by default? - todo by Jacek)

  See Also:
    Constant Field Values

### TRANS_URL

    public static final java.lang.String TRANS_URL

  This String is the URL that the message came to

  See Also:
    Constant Field Values

### QUIT_REQUESTED

    public static final java.lang.String QUIT_REQUESTED

  Has a quit been requested? Hackish... but useful... -- RobJ

  See Also:
    Constant Field Values

### AUTHUSER

    public static final java.lang.String AUTHUSER

  Place to store an AuthenticatedUser

  See Also:
    Constant Field Values

### CALL

    public static final java.lang.String CALL

  If on the client - this is the Call object

  See Also:
    Constant Field Values

### IS_MSG

    public static final java.lang.String IS_MSG

  Are we doing Msg vs RPC? - For Java Binding

  See Also:
    Constant Field Values

### ATTACHMENTS_DIR

    public static final java.lang.String ATTACHMENTS_DIR

  The directory where in coming attachments are created.

  See Also:
    Constant Field Values

### ACCEPTMISSINGPARAMS

    public static final java.lang.String ACCEPTMISSINGPARAMS

  A boolean param, to control whether we accept missing parameters as nulls or refuse to acknowledge them.

  See Also:
    Constant Field Values

### WSDLGEN_INTFNAMESPACE

    public static final java.lang.String WSDLGEN_INTFNAMESPACE

  The value of the property is used by service WSDL generation (aka ?WSDL) For the service's interface namespace if not set TRANS_URL property is used.

  See Also:
    Constant Field Values

### WSDLGEN_SERV_LOC_URL

    public static final java.lang.String WSDLGEN_SERV_LOC_URL

  The value of the property is used by service WSDL generation (aka ?WSDL) For the service's location if not set TRANS_URL property is used. (helps provide support through proxies.

  See Also:
    Constant Field Values

### HTTP_TRANSPORT_VERSION

    public static final java.lang.String HTTP_TRANSPORT_VERSION

  The value of the property is used by service WSDL generation (aka ?WSDL) Set this property to request a certain level of HTTP. The values MUST use org.apache.axis.transport.http.HTTPConstants.HEADER_PROTOCOL_10 for HTTP 1.0 The values MUST use org.apache.axis.transport.http.HTTPConstants.HEADER_PROTOCOL_11 for HTTP 1.1

  See Also:
    Constant Field Values

### SECURITY_PROVIDER

    public static final java.lang.String SECURITY_PROVIDER

See Also:
  Constant Field Values

Constructor Detail

### MessageContext

    public MessageContext(AxisEngine engine)

  Create a message context.

Parameters:
  `engine` - the controlling axis engine. Null is actually accepted here, though passing a null engine in is strongly discouraged as many of the methods assume that it is in fact defined.

Method Detail

### getOperation

    public OperationDesc getOperation()

  the current operation

  Returns:
    the current operation; may be null

### setOperation

    public void setOperation(OperationDesc operation)

  set the current operation

  Parameters:
    `operation` -

### getPossibleOperationsByQName

    public OperationDesc[] getPossibleOperationsByQName(QName qname)
                                                 throws AxisFault

  getPossibleOperationsByQName Returns a list of operation descriptors that could may possibly match a body containing an element of the given QName. For non-DOCUMENT, the list of operation descriptors that match the name is returned. For DOCUMENT, all the operations that have qname as a parameter are returned

  Parameters:
    `qname` - of the first element in the body
  Returns:
    list of operation descriptions
    `AxisFault`

### getOperationByQName

    public OperationDesc getOperationByQName(QName qname)
                                      throws AxisFault

  get the first possible operation that could match a body containing an element of the given QName. Sets the currentOperation field in the process; if that field is already set then its value is returned instead

  Parameters:
    `qname` - name of the message body
  Returns:
    an operation or null
  Throws:
    `AxisFault`

### getCurrentContext

    public static MessageContext getCurrentContext()

  Get the active message context.

  Returns:
    the current active message context

### setTypeMappingRegistry

    public void setTypeMappingRegistry(TypeMappingRegistry reg)

  replace the engine's type mapping registry with a local one

  Parameters:
    `reg` -

### getTypeMappingRegistry

    public TypeMappingRegistry getTypeMappingRegistry()

  Get the currently in-scope type mapping registry. By default, will return a reference to the AxisEngine's TMR until someone sets our local one (usually as a result of setting the serviceHandler).

  Returns:
    the type mapping registry to use for this request.

### getTypeMapping

    public TypeMapping getTypeMapping()

  Return the type mapping currently in scope for our encoding style

### getTransportName

    public java.lang.String getTransportName()

  Transport

### setTransportName

    public void setTransportName(java.lang.String transportName)

### getSOAPConstants

    public SOAPConstants getSOAPConstants()

  SOAP constants

### setSOAPConstants

    public void setSOAPConstants(SOAPConstants soapConstants)

### getSchemaVersion

    public SchemaVersion getSchemaVersion()

  Schema version information

### setSchemaVersion

    public void setSchemaVersion(SchemaVersion schemaVersion)

### getSession

    public Session getSession()

  Sessions

### setSession

    public void setSession(Session session)

### isEncoded

    public boolean isEncoded()

  Encoding

### setMaintainSession

    public void setMaintainSession(boolean yesno)

  Set whether we are maintaining session state

  Parameters:
    `yesno` - flag to set to true to maintain sessions

### getMaintainSession

    public boolean getMaintainSession()

  Are we maintaining session state?

### getRequestMessage

    public Message getRequestMessage()

  Get the request message.

  Returns:
    the request message (may be null).

### setRequestMessage

    public void setRequestMessage(Message reqMsg)

  Set the request message, and make sure that message is associated with this MessageContext.

  Parameters:
    `reqMsg` - the new request Message.

### getResponseMessage

    public Message getResponseMessage()

  Get the response message.

  Returns:
    the response message (may be null).

### setResponseMessage

    public void setResponseMessage(Message respMsg)

  Set the response message, and make sure that message is associated with this MessageContext.

  Parameters:
    `respMsg` - the new response Message.

### getCurrentMessage

    public Message getCurrentMessage()

  Return the current (i.e. request before the pivot, response after) message.

### getMessage

    public SOAPMessage getMessage()

  Gets the SOAPMessage from this message context

  Specified by:
    `getMessage` in interface `SOAPMessageContext`
  Returns:
    Returns the SOAPMessage; returns null if no request SOAPMessage is present in this SOAPMessageContext

### setCurrentMessage

    public void setCurrentMessage(Message curMsg)

  Set the current (i.e. request before the pivot, response after) message.

### setMessage

    public void setMessage(SOAPMessage message)

  Sets the SOAPMessage for this message context

  Specified by:
    `setMessage` in interface `SOAPMessageContext`
  Parameters:
    `message` - Request SOAP message
  Throws:
    `java.lang.UnsupportedOperationException` - If this operation is not supported

### getPastPivot

    public boolean getPastPivot()

  Determine when we've passed the pivot

### setPastPivot

    public void setPastPivot(boolean pastPivot)

  Indicate when we've passed the pivot

### setTimeout

    public void setTimeout(int value)

  Set timeout in our MessageContext.

  Parameters:
    `value` - the maximum amount of time, in milliseconds

### getTimeout

    public int getTimeout()

  Get timeout from our MessageContext.

  Returns:
    value the maximum amount of time, in milliseconds

### getClassLoader

    public java.lang.ClassLoader getClassLoader()

  get the classloader, implicitly binding to the thread context classloader if an override has not been supplied

  Returns:

### setClassLoader

    public void setClassLoader(java.lang.ClassLoader cl)

  set a new classloader

  Parameters:
    `cl` -

### getTargetService

    public java.lang.String getTargetService()

### getAxisEngine

    public AxisEngine getAxisEngine()

  get the axis engine. Will be null if the message was created outside an engine

  Returns:
    the current axis engine

### setTargetService

    public void setTargetService(java.lang.String tServ)
                          throws AxisFault

  Set the target service for this message. This looks up the named service in the registry, and has the side effect of setting our TypeMappingRegistry to the service's.

  Parameters:
    `tServ` - the name of the target service.
    `AxisFault`

### getService

    public SOAPService getService()

### setService

    public void setService(SOAPService sh)
                    throws AxisFault

    `AxisFault`

### isClient

    public boolean isClient()

  Let us know whether this is the client or the server.

### getStrProp

    public java.lang.String getStrProp(java.lang.String propName)

  Just a util so we don't have to cast the result

### isPropertyTrue

    public boolean isPropertyTrue(java.lang.String propName)

  Tests to see if the named property is set in the 'bag'. If not there then 'false' is returned. If there, then... if its a Boolean, we'll return booleanValue() if its an Integer, we'll return 'false' if its '0' else 'true' if its a String, we'll return 'false' if its 'false' or '0' else 'true' All other types return 'true'

### isPropertyTrue

    public boolean isPropertyTrue(java.lang.String propName,
                                  boolean defaultVal)

  Tests to see if the named property is set in the 'bag'. If not there then 'defaultVal' will be returned. If there, then... if its a Boolean, we'll return booleanValue() if its an Integer, we'll return 'false' if its '0' else 'true' if its a String, we'll return 'false' if its 'false', 'no', or '0' - else 'true' All other types return 'true'

### setProperty

    public void setProperty(java.lang.String name,
                            java.lang.Object value)

  Allows you to set a named property to the passed in value. There are a few known properties (like username, password, etc) that are variables in Call. The rest of the properties are stored in a Hashtable. These common properties should be accessed via the accessors for speed/type safety, but they may still be obtained via this method. It's up to one of the Handlers (or the Axis engine itself) to go looking for one of them.

  Specified by:
    `setProperty` in interface `MessageContext`
  Parameters:
    `name` - Name of the property
    `value` - Value of the property

### containsProperty

    public boolean containsProperty(java.lang.String name)

  Returns true if the MessageContext contains a property with the specified name.

  Specified by:
    `containsProperty` in interface `MessageContext`
  Parameters:
    `name` - Name of the property whose presense is to be tested
  Returns:
    Returns true if the MessageContext contains the property; otherwise false

### getPropertyNames

    public java.util.Iterator getPropertyNames()

  Returns an Iterator view of the names of the properties in this MessageContext

  Specified by:
    `getPropertyNames` in interface `MessageContext`
  Returns:
    Iterator for the property names

### getProperty

    public java.lang.Object getProperty(java.lang.String name)

  Returns the value associated with the named property - or null if not defined/set.

  Specified by:
    `getProperty` in interface `MessageContext`
  Parameters:
    `name` - Name of the property whose value is to be retrieved
  Returns:
    Object value of the property - or null

### setPropertyParent

    public void setPropertyParent(java.util.Hashtable parent)

### setUsername

    public void setUsername(java.lang.String username)

  Set the username.

### getUsername

    public java.lang.String getUsername()

  Get the user name

### setPassword

    public void setPassword(java.lang.String password)

  Set the password.

### getPassword

    public java.lang.String getPassword()

  Get the password

### getOperationStyle

    public Style getOperationStyle()

  Get the operation style.

### getOperationUse

    public Use getOperationUse()

  Get the operation use.

### setUseSOAPAction

    public void setUseSOAPAction(boolean useSOAPAction)

  Should soapAction be used?

### useSOAPAction

    public boolean useSOAPAction()

  Are we using soapAction?

### setSOAPActionURI

    public void setSOAPActionURI(java.lang.String SOAPActionURI)
                          throws java.lang.IllegalArgumentException

  Set the soapAction URI.

    `java.lang.IllegalArgumentException`

### getSOAPActionURI

    public java.lang.String getSOAPActionURI()

  Get the soapAction URI.

### setEncodingStyle

    public void setEncodingStyle(java.lang.String namespaceURI)

  Sets the encoding style to the URI passed in.

  Parameters:
    `namespaceURI` - URI of the encoding to use.

### getEncodingStyle

    public java.lang.String getEncodingStyle()

  Returns the encoding style as a URI that should be used for the SOAP message.

  Returns:
    String URI of the encoding style to use

### removeProperty

    public void removeProperty(java.lang.String propName)

  Description copied from interface: `MessageContext`
  Removes a property (name-value pair) from the `MessageContext`

  Specified by:
    `removeProperty` in interface `MessageContext`
  Parameters:
    `propName` - Name of the property to be removed

### reset

    public void reset()

### isHighFidelity

    public boolean isHighFidelity()

### setHighFidelity

    public void setHighFidelity(boolean highFidelity)

### getRoles

    public java.lang.String[] getRoles()

  Not (yet) implemented method in the SOAPMessageContext interface Gets the SOAP actor roles associated with an execution of the HandlerChain and its contained Handler instances. Note that SOAP actor roles apply to the SOAP node and are managed using HandlerChain.setRoles and HandlerChain.getRoles. Handler instances in the HandlerChain use this information about the SOAP actor roles to process the SOAP header blocks. Note that the SOAP actor roles are invariant during the processing of SOAP message through the HandlerChain.

  Specified by:
    `getRoles` in interface `SOAPMessageContext`
  Returns:
    Array of URIs for SOAP actor roles
  See Also:
    `HandlerChain.setRoles(java.lang.String[])`, `HandlerChain.getRoles()`

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Copyright © 2003 Apache Web Services Project. All Rights Reserved.