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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » gov.nist.siplite.stack   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    gov.nist.siplite.stack.SIPMessageStack       gov.nist.siplite.stack.SIPTransactionStack All known Subclasses:   gov.nist.siplite.SipStack, SIPTransactionStack abstract public class SIPTransactionStack extends SIPMessageStack implements SIPTransactionEventListener(Code) Adds a transaction layer to the SIPMessageStack class. This is done by replacing the normal MessageChannels returned by the base class with transaction-aware MessageChannels that encapsulate the original channels and handle the transaction state machine, retransmissions, etc. This code is in the public domain. version:    JAIN-SIP-1.1 Inner Class :class TransactionScanner implements Runnable Field Summary final public static  int BASE_TIMER_INTERVAL      Number of milliseconds between timer ticks (500). protected  Hashtable dialogCreatingMethods      A set of methods that result in dialog creations. protected  boolean retransmissionFilter      Retransmission filter - indicates the stack will retransmit 200 OK for invite transactions. protected  int transactionTableSize      Max number of server transactions concurrent. Constructor Summary protected   SIPTransactionStack()      Default constructor. protected   SIPTransactionStack(SIPStackMessageFactory messageFactory)      Construcor for the stack. Method Summary public  void addExtensionMethod(String extensionMethod)      Adds an extension method. public  void addTransaction(ClientTransaction clientTransaction)      Adds a new client transaction to the set of existing transactions. public  void addTransaction(ServerTransaction serverTransaction)      Adds a new client transaction to the set of existing transactions. public  boolean allowDialogStateChange(String method)      Returns true if method can change dialog state. public  ClientTransaction createClientTransaction(MessageChannel encapsulatedMessageChannel)      Creates a client transaction that encapsulates a MessageChannel. Useful for implementations that want to subclass the standard Parameters:   encapsulatedMessageChannel - Message channel of the transport layer. public synchronized  Dialog createDialog(Transaction transaction)      Creates a new dialog for requested transaction. public  MessageChannel createMessageChannel(Hop nextHop)      Creates a client transaction to handle a new request. Gets the real message channel from the superclass, and then creates a new client transaction wrapped around this channel. Parameters:   nextHop - Hop to create a channel to contact. public  MessageChannel createMessageChannel(MessageChannel rawChannel)      Creates a client transaction from a raw channel. Parameters:   rawChannel - is the transport channel to encapsulate. public  MessageChannel createMessageChannel(Transaction transaction)      Creates a client transaction from a raw channel. public  MessageChannel createRawMessageChannel(Hop hop)      Creates a raw message channel. public  ServerTransaction createServerTransaction(MessageChannel encapsulatedMessageChannel)      Creates a server transaction that encapsulates a MessageChannel. Useful for implementations that want to subclass the standard Parameters:   encapsulatedMessageChannel - Message channel of the transport layer. public  Transaction findCancelTransaction(Request cancelRequest, boolean isServer)      Gets the transaction to cancel. public  ClientTransaction findSubscribeTransaction(Request notifyMessage)      Finds a matching client SUBSCRIBE to the incoming notify. NOTIFY requests are matched to such SUBSCRIBE requests if they contain the same "Call-ID", a "ToHeader" header "tag" parameter which matches the "FromHeader" header "tag" parameter of the SUBSCRIBE, and the same "Event" header field. public  Transaction findTransaction(Message sipMessage, boolean isServer)      Finds the transaction corresponding to a given request. Parameters:   sipMessage - request for which to retrieve the transaction. Parameters:   isServer - search the server transaction table if true. public  Dialog getDialog(String dialogId)      Returns the dialog for a given dialog ID. public  boolean isDialogCreated(String method)      Returns true if extension is supported. protected  SIPServerRequestInterface newSIPServerRequest(Request requestReceived, MessageChannel requestMessageChannel)      Handles a new SIP request. It finds a server transaction to handle this message.  SIPServerResponseInterface newSIPServerResponse(Response responseReceived, MessageChannel responseMessageChannel)      Handles a new SIP response. It finds a client transaction to handle this message. public  void putDialog(Dialog dialog)      Puts a dialog into the dialog table. Field Detail BASE_TIMER_INTERVAL final public static int BASE_TIMER_INTERVAL(Code) Number of milliseconds between timer ticks (500). dialogCreatingMethods protected Hashtable dialogCreatingMethods(Code) A set of methods that result in dialog creations. retransmissionFilter protected boolean retransmissionFilter(Code) Retransmission filter - indicates the stack will retransmit 200 OK for invite transactions. transactionTableSize protected int transactionTableSize(Code) Max number of server transactions concurrent. Constructor Detail SIPTransactionStack protected SIPTransactionStack()(Code) Default constructor. SIPTransactionStack protected SIPTransactionStack(SIPStackMessageFactory messageFactory)(Code) Construcor for the stack. Registers the request and response factories for the stack. Parameters:   messageFactory - User-implemented factory for processingmessages. Method Detail addExtensionMethod public void addExtensionMethod(String extensionMethod)(Code) Adds an extension method. Parameters:   extensionMethod - -- extension method to support for dialogcreation addTransaction public void addTransaction(ClientTransaction clientTransaction)(Code) Adds a new client transaction to the set of existing transactions. Parameters:   clientTransaction - -- client transaction to add to the set. addTransaction public void addTransaction(ServerTransaction serverTransaction) throws IOException(Code) Adds a new client transaction to the set of existing transactions. Parameters:   serverTransaction - -- server transaction to add to the set. allowDialogStateChange public boolean allowDialogStateChange(String method)(Code) Returns true if method can change dialog state. Parameters:   method - the name of the method used for create true if extension is supported and false otherwise. createClientTransaction public ClientTransaction createClientTransaction(MessageChannel encapsulatedMessageChannel)(Code) Creates a client transaction that encapsulates a MessageChannel. Useful for implementations that want to subclass the standard Parameters:   encapsulatedMessageChannel - Message channel of the transport layer. the requested client transaction createDialog public synchronized Dialog createDialog(Transaction transaction)(Code) Creates a new dialog for requested transaction. Parameters:   transaction - the requested transaction the new Dialog object createMessageChannel public MessageChannel createMessageChannel(Hop nextHop)(Code) Creates a client transaction to handle a new request. Gets the real message channel from the superclass, and then creates a new client transaction wrapped around this channel. Parameters:   nextHop - Hop to create a channel to contact. the requested message channel createMessageChannel public MessageChannel createMessageChannel(MessageChannel rawChannel)(Code) Creates a client transaction from a raw channel. Parameters:   rawChannel - is the transport channel to encapsulate. the requested message channel createMessageChannel public MessageChannel createMessageChannel(Transaction transaction)(Code) Creates a client transaction from a raw channel. Parameters:   transaction - the requested transaction the requested message channel createRawMessageChannel public MessageChannel createRawMessageChannel(Hop hop)(Code) Creates a raw message channel. A raw message channel has no transaction wrapper. Parameters:   hop - hop for which to create the raw message channel. the requested message channel createServerTransaction public ServerTransaction createServerTransaction(MessageChannel encapsulatedMessageChannel)(Code) Creates a server transaction that encapsulates a MessageChannel. Useful for implementations that want to subclass the standard Parameters:   encapsulatedMessageChannel - Message channel of the transport layer. the requested server transaction findCancelTransaction public Transaction findCancelTransaction(Request cancelRequest, boolean isServer)(Code) Gets the transaction to cancel. Search the server transaction table for a transaction that matches the given transaction. Parameters:   cancelRequest - the request to be found Parameters:   isServer - true if this is a server request the transaction object requested findSubscribeTransaction public ClientTransaction findSubscribeTransaction(Request notifyMessage)(Code) Finds a matching client SUBSCRIBE to the incoming notify. NOTIFY requests are matched to such SUBSCRIBE requests if they contain the same "Call-ID", a "ToHeader" header "tag" parameter which matches the "FromHeader" header "tag" parameter of the SUBSCRIBE, and the same "Event" header field. Rules for comparisons of the "Event" headers are described in section 7.2.1. If a matching NOTIFY request contains a "Subscription-State" of "active" or "pending", it creates a new subscription and a new dialog (unless they have already been created by a matching response, as described above). Parameters:   notifyMessage - the request to be matched the new client transaction object findTransaction public Transaction findTransaction(Message sipMessage, boolean isServer)(Code) Finds the transaction corresponding to a given request. Parameters:   sipMessage - request for which to retrieve the transaction. Parameters:   isServer - search the server transaction table if true. the transaction object corresponding to the request or nullif no such mapping exists. getDialog public Dialog getDialog(String dialogId)(Code) Returns the dialog for a given dialog ID. If compatibility is enabled then we do not assume the presence of tags and hence need to add a flag to indicate whether this is a server or client transaction. Parameters:   dialogId - is the dialog id to check. the Dialog object for the requested id isDialogCreated public boolean isDialogCreated(String method)(Code) Returns true if extension is supported. Parameters:   method - the name of the method used for create true if extension is supported and false otherwise. newSIPServerRequest protected SIPServerRequestInterface newSIPServerRequest(Request requestReceived, MessageChannel requestMessageChannel)(Code) Handles a new SIP request. It finds a server transaction to handle this message. If none exists, it creates a new transaction. Parameters:   requestReceived - Request to handle. Parameters:   requestMessageChannel - Channel that received message. A server transaction. newSIPServerResponse SIPServerResponseInterface newSIPServerResponse(Response responseReceived, MessageChannel responseMessageChannel)(Code) Handles a new SIP response. It finds a client transaction to handle this message. If none exists, it sends the message directly to the superclass. Parameters:   responseReceived - Response to handle. Parameters:   responseMessageChannel - Channel that received message. A client transaction. putDialog public void putDialog(Dialog dialog)(Code) Puts a dialog into the dialog table. Parameters:   dialog - -- dialog to put into the dialog table. Fields inherited from gov.nist.siplite.stack.SIPMessageStack protected String badMessageLog(Code)(Java Doc) protected boolean debugFlag(Code)(Java Doc) protected int maxConnections(Code)(Java Doc) protected int outboundPort(Code)(Java Doc) protected String outboundProxy(Code)(Java Doc) protected Router router(Code)(Java Doc) protected SecurityToken securityToken(Code)(Java Doc) protected SIPStackMessageFactory sipMessageFactory(Code)(Java Doc) protected String stackAddress(Code)(Java Doc) protected String stackName(Code)(Java Doc) protected boolean tcpFlag(Code)(Java Doc) protected int threadPoolSize(Code)(Java Doc) protected boolean toExit(Code)(Java Doc) protected boolean udpFlag(Code)(Java Doc) Methods inherited from gov.nist.siplite.stack.SIPMessageStack public void addMessageProcessor(MessageProcessor newMessageProcessor) throws IOException(Code)(Java Doc) public MessageChannel createMessageChannel(Hop nextHop)(Code)(Java Doc) public MessageProcessor createMessageProcessor(int port, String transport) throws java.io.IOException, IllegalArgumentException(Code)(Java Doc) public String getBadMessageLog()(Code)(Java Doc) public Hop getDefaultRoute()(Code)(Java Doc) public RouteHeader getDefaultRouteHeader()(Code)(Java Doc) public String getHostAddress()(Code)(Java Doc) public MessageProcessor getMessageProcessor(String transport)(Code)(Java Doc) public Vector getMessageProcessors()(Code)(Java Doc) public Hop getNextHop()(Code)(Java Doc) public int getPort(String transport) throws IllegalArgumentException(Code)(Java Doc) public RouteHeader getRouteHeader(Hop hop)(Code)(Java Doc) public Router getRouter()(Code)(Java Doc) protected SecurityToken getSecurityToken()(Code)(Java Doc) public String getStackName()(Code)(Java Doc) public synchronized boolean isAlive()(Code)(Java Doc) public boolean isTransportEnabled(String transport)(Code)(Java Doc) public boolean isTransportEnabled(String transport, int port)(Code)(Java Doc) public void logBadMessage(String message)(Code)(Java Doc) protected SIPServerRequestInterface newSIPServerRequest(Request siprequest, MessageChannel msgchan)(Code)(Java Doc) SIPServerResponseInterface newSIPServerResponse(Response sipresponse, MessageChannel msgchan)(Code)(Java Doc) public void removeMessageProcessor(MessageProcessor oldMessageProcessor)(Code)(Java Doc) public void setHostAddress(String stackAddress)(Code)(Java Doc) public void setMaxConnections(int nconnections)(Code)(Java Doc) protected void setMessageFactory(SIPStackMessageFactory messageFactory)(Code)(Java Doc) public void setRouter(Router router)(Code)(Java Doc) protected void setSecurityToken(SecurityToken token)(Code)(Java Doc) public void setSingleThreaded()(Code)(Java Doc) public void setStackMessageFactory(SIPStackMessageFactory messageFactory)(Code)(Java Doc) public void setStackName(String stackName)(Code)(Java Doc) public void setThreadPoolSize(int size)(Code)(Java Doc) public void stopStack()(Code)(Java Doc) Methods inherited from java.lang.Object public boolean equals(Object obj)(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)