public void invoke()

in axis-rt-core/src/main/java/org/apache/axis/server/AxisServer.java [131:334]


    public void invoke(MessageContext msgContext) throws AxisFault {
        long t0=0, t1=0, t2=0, t3=0, t4=0, t5=0;
        if( tlog.isDebugEnabled() ) {
            t0=System.currentTimeMillis();
        }
        
        if (log.isDebugEnabled()) {
            log.debug("Enter: AxisServer::invoke");
        }

        if (!isRunning()) {
            throw new AxisFault("Server.disabled",
                                Messages.getMessage("serverDisabled00"),
                                null, null);
        }

        String  hName = null ;
        Handler h     = null ;

        // save previous context
        MessageContext previousContext = getCurrentMessageContext();

        try {
            // set active context
            setCurrentMessageContext(msgContext);

            hName = msgContext.getStrProp( MessageContext.ENGINE_HANDLER );
            if ( hName != null ) {
                if ( (h = getHandler(hName)) == null ) {
                    ClassLoader cl = msgContext.getClassLoader();
                    try {
                        log.debug( Messages.getMessage("tryingLoad00", hName) );
                        Class cls = ClassUtils.forName(hName, true, cl);
                        h = (Handler) cls.newInstance();
                    }
                    catch( Exception e ) {
                        h = null ;
                    }
                }
                if( tlog.isDebugEnabled() ) {
                    t1=System.currentTimeMillis();
                }
                if ( h != null )
                    h.invoke(msgContext);
                else
                    throw new AxisFault( "Server.error",
                                         Messages.getMessage("noHandler00", hName),
                                         null, null );
                if( tlog.isDebugEnabled() ) {
                    t2=System.currentTimeMillis();
                    tlog.debug( "AxisServer.invoke " + hName + " invoke=" +
                                ( t2-t1 ) + " pre=" + (t1-t0 ));
                }
                
            }
            else {
                // This really should be in a handler - but we need to discuss it
                // first - to make sure that's what we want.
                /* Now we do the 'real' work.  The flow is basically:         */
                /*   Transport Specific Request Handler/Chain                   */
                /*   Global Request Handler/Chain                               */
                /*   Protocol Specific-Handler(ie. SOAP, XP)                  */
                /*     ie. For SOAP Handler:                                  */
                /*           - Service Specific Request Handler/Chain           */
                /*           - SOAP Semantic Checks                           */
                /*           - Service Specific Response Handler/Chain          */
                /*   Global Response Handler/Chain                              */
                /*   Transport Specific Response Handler/Chain                  */
                /**************************************************************/

                // When do we call init/cleanup??
                if (log.isDebugEnabled()) {
                    log.debug(Messages.getMessage("defaultLogic00") );
                }

                /*  This is what the entirety of this logic might evolve to:

                hName = msgContext.getStrProp(MessageContext.TRANSPORT);
                if ( hName != null ) {
                if ((h = hr.find( hName )) != null ) {
                h.invoke(msgContext);
                } else {
                log.error(Messages.getMessage("noTransport02", hName));
                }
                } else {
                // No transport set, so use the default (probably just
                // calls the global->service handlers)
                defaultTransport.invoke(msgContext);
                }

                */

                /* Process the Transport Specific Request Chain */
                /**********************************************/
                hName = msgContext.getTransportName();
                SimpleTargetedChain transportChain = null;

                if (log.isDebugEnabled())
                    log.debug(Messages.getMessage("transport01", "AxisServer.invoke", hName));

                if( tlog.isDebugEnabled() ) {
                    t1=System.currentTimeMillis();
                }
                if ( hName != null && (h = getTransport( hName )) != null ) {
                    if (h instanceof SimpleTargetedChain) {
                        transportChain = (SimpleTargetedChain)h;
                        h = transportChain.getRequestHandler();
                        if (h != null)
                            h.invoke(msgContext);
                    }
                }

                if( tlog.isDebugEnabled() ) {
                    t2=System.currentTimeMillis();
                }
                /* Process the Global Request Chain */
                /**********************************/
                if ((h = getGlobalRequest()) != null ) {
                    h.invoke(msgContext);
                }

                /**
                 * At this point, the service should have been set by someone
                 * (either the originator of the MessageContext, or one of the
                 * transport or global Handlers).  If it hasn't been set, we
                 * fault.
                 */
                h = msgContext.getService();
                if (h == null) {
                    // It's possible that we haven't yet parsed the
                    // message at this point.  This is a kludge to
                    // make sure we have.  There probably wants to be
                    // some kind of declarative "parse point" on the handler
                    // chain instead....
                    Message rm = msgContext.getRequestMessage();
                    rm.getSOAPEnvelope().getFirstBody();
                    
                    h = msgContext.getService();
                    if (h == null)
                        throw new AxisFault("Server.NoService",
                                            Messages.getMessage("noService05",
                                                                 "" + msgContext.getTargetService()),
                                            null, null );
                }
                if( tlog.isDebugEnabled() ) {
                    t3=System.currentTimeMillis();
                }
                
                initSOAPConstants(msgContext);
                try {
                    h.invoke(msgContext);
                } catch (AxisFault ae) {
                    if ((h = getGlobalRequest()) != null ) {
                        h.onFault(msgContext);
                    }
                    throw ae;
                }

                if( tlog.isDebugEnabled() ) {
                    t4=System.currentTimeMillis();
                }

                /* Process the Global Response Chain */
                /***********************************/
                if ((h = getGlobalResponse()) != null)
                    h.invoke(msgContext);

                /* Process the Transport Specific Response Chain */
                /***********************************************/
                if (transportChain != null) {
                    h = transportChain.getResponseHandler();
                    if (h != null)
                        h.invoke(msgContext);
                }
                
                if( tlog.isDebugEnabled() ) {
                    t5=System.currentTimeMillis();
                    tlog.debug( "AxisServer.invoke2 " +
                                " preTr=" +
                                ( t1-t0 ) + " tr=" + (t2-t1 ) +
                                " preInvoke=" + ( t3-t2 ) +
                                " invoke=" + ( t4-t3 ) +
                                " postInvoke=" + ( t5-t4 ) +
                                " " + msgContext.getTargetService() + "." +
                                 ((msgContext.getOperation( ) == null) ?
                                 "" : msgContext.getOperation().getName()) );
                }

            }
        } catch (AxisFault e) {
            throw e;
        } catch (Exception e) {
            // Should we even bother catching it ?
            throw AxisFault.makeFault(e);

        } finally {
            // restore previous state
            setCurrentMessageContext(previousContext);
        }
        
        if (log.isDebugEnabled()) {
            log.debug("Exit: AxisServer::invoke");
        }
    }