Package org.apache.synapse.mediators.base

Examples of org.apache.synapse.mediators.base.SequenceMediator

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        if (!(m instanceof SequenceMediator)) {
            handleException("Unsupported mediator passed in for serialization : " + m.getType());
        }

        SequenceMediator mediator = (SequenceMediator) m;
        OMElement sequence = fac.createOMElement("sequence", synNS);

        if (mediator.getRef() != null) {
            sequence.addAttribute(fac.createOMAttribute(
                "ref", nullNS, mediator.getRef()));
        } else if (mediator.getName() != null) {
            sequence.addAttribute(fac.createOMAttribute(
                "name", nullNS, mediator.getName()));

            if (mediator.getErrorHandler() != null) {
                sequence.addAttribute(fac.createOMAttribute(
                    "onError", nullNS, mediator.getErrorHandler()));
            }

            super.serializeChildren(sequence, mediator.getList());
        }

        if (parent != null) {
            parent.addChild(sequence);
        }
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        return SEQUENCE_Q;
    }

    public Mediator createMediator(OMElement elem) {

        SequenceMediator seqMediator = new SequenceMediator();

        OMAttribute n = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
        OMAttribute e = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "onError"));
        if (n != null) {
            seqMediator.setName(n.getAttributeValue());
            if (e != null) {
                seqMediator.setErrorHandler(e.getAttributeValue());
            }
            super.addChildren(elem, seqMediator);

        } else {
            n = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "ref"));
            if (n != null) {
                seqMediator.setRef(n.getAttributeValue());
                if (e != null) {
                    String msg = "A sequence mediator swhich a reference to another sequence can not have 'ErrorHandler'";
                    log.error(msg);
                    throw new SynapseException(msg);
                }
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            dp.setType(Property.DYNAMIC_TYPE);
            dp.setKey(key.getAttributeValue());
            dp.setMapper(MediatorFactoryFinder.getInstance());
            config.addNamedSequence(name.getAttributeValue(), dp);
        } else {
            SequenceMediator seq = (SequenceMediator)
                    MediatorFactoryFinder.getInstance().getMediator(ele);
            config.addNamedSequence(seq.getName(), seq);
        }
    }
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        }

        if (sequence != null) {
            synCtx.getEnvironment().injectAsync(synCtx, sequence);
        } else if (sequenceRef != null) {
            SequenceMediator refSequence = (SequenceMediator) synCtx.getConfiguration().getSequence(sequenceRef);
            if (refSequence != null) {
                synCtx.getEnvironment().injectAsync(synCtx, refSequence);
            }
        }
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        }

        SynapseConfiguration config = new SynapseConfiguration();
        config.setDefaultQName(definitions.getQName());

        SequenceMediator rootSequence = new SequenceMediator();
        rootSequence.setName(org.apache.synapse.SynapseConstants.MAIN_SEQUENCE_KEY);

        Iterator iter = definitions.getChildren();
       
        while (iter.hasNext()) {
            Object o = iter.next();
            if (o instanceof OMElement) {
                OMElement elt = (OMElement) o;
                if (XMLConfigConstants.SEQUENCE_ELT.equals(elt.getQName())) {
                    String key = elt.getAttributeValue(
                            new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
                    // this could be a sequence def or a mediator of the main sequence
                    if (key != null) {
                        Mediator m = MediatorFactoryFinder.getInstance().getMediator(elt);
                        rootSequence.addChild(m);
                    } else {
                        defineSequence(config, elt);
                    }
                } else if (XMLConfigConstants.ENDPOINT_ELT.equals(elt.getQName())) {
                    defineEndpoint(config, elt);
                } else if (XMLConfigConstants.ENTRY_ELT.equals(elt.getQName())) {
                    defineEntry(config, elt);
                } else if (XMLConfigConstants.PROXY_ELT.equals(elt.getQName())) {
                    defineProxy(config, elt);
                } else if (XMLConfigConstants.REGISTRY_ELT.equals(elt.getQName())) {
                    defineRegistry(config, elt);
                } else if (XMLConfigConstants.TASK_ELT.equals(elt.getQName())) {
                    defineStartup(config, elt);
                } else {
                    Mediator m = MediatorFactoryFinder.getInstance().getMediator(elt);
                    rootSequence.addChild(m);
                }
            }
        }

        if (config.getLocalRegistry().isEmpty() && config.getProxyServices().isEmpty() &&
                rootSequence.getList().isEmpty() && config.getRegistry() != null) {
            OMNode remoteConfigNode = config.getRegistry().lookup("synapse.xml");
            try {
                config = XMLConfigurationBuilder.getConfiguration(SynapseConfigUtils
                    .getStreamSource(remoteConfigNode).getInputStream());
            } catch (XMLStreamException xse) {
                throw new SynapseException("Problem loading remote synapse.xml ", xse);
            }

        }

        // if there is no sequence named main defined locally look for the set of mediators in
        // the root level before trying to look in the registry (hence config.getMainSequence
        // can not be used here)
        if (!config.getLocalRegistry().containsKey(SynapseConstants.MAIN_SEQUENCE_KEY)) {
            // if the root tag does not contain any mediators & registry does not have a
            // entry with key main then use the defualt main sequence
            if (rootSequence.getList().isEmpty() && config.getMainSequence() == null) {
                setDefaultMainSequence(config);
            } else {
                config.addSequence(rootSequence.getName(), rootSequence);
            }
        } else if (!rootSequence.getList().isEmpty()) {
            handleException("Invalid Synapse Configuration : Conflict in resolving the \"main\" " +
                    "mediator\n\tSynapse Configuration cannot have sequence named \"main\" and " +
                    "toplevel mediators simultaniously");
        }
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     * a simple sequence with a <send/>
     *
     * @param config the configuration to be updated
     */
    private static void setDefaultMainSequence(SynapseConfiguration config) {
        SequenceMediator main = new SequenceMediator();
        main.setName(SynapseConstants.MAIN_SEQUENCE_KEY);
        main.addChild(new LogMediator());
        main.addChild(new DropMediator());
        config.addSequence(SynapseConstants.MAIN_SEQUENCE_KEY, main);
    }
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     * a simple sequence with a <log level="full"/>
     *
     * @param config the configuration to be updated
     */
    private static void setDefaultFaultSequence(SynapseConfiguration config) {
        SequenceMediator fault = new SequenceMediator();
        fault.setName(org.apache.synapse.SynapseConstants.FAULT_SEQUENCE_KEY);
        LogMediator log = new LogMediator();
        log.setLogLevel(LogMediator.FULL);
        fault.addChild(log);
        config.addSequence(org.apache.synapse.SynapseConstants.FAULT_SEQUENCE_KEY, fault);
    }
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                mediator.setOnCompleteSequenceRef(onCompleteSequence.getAttributeValue());
            } else if (onComplete.getFirstElement() != null) {
                mediator.setOnCompleteSequence(
                        (new SequenceMediatorFactory()).createAnonymousSequence(onComplete));
            } else {
                SequenceMediator sequence = new SequenceMediator();
                sequence.addChild(new DropMediator());
                mediator.setOnCompleteSequence(sequence);
            }
        }
        return mediator;
    }
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            SequenceMediatorSerializer serializer = new SequenceMediatorSerializer();
            if (inSeq != null) {
                target.addAttribute(fac.createOMAttribute("inSequence", nullNS, inSeq));
                proxy.addChild(target);
            } else {
                SequenceMediator inLineInSeq = service.getTargetInLineInSequence();
                if (inLineInSeq != null) {
                    OMElement inSeqElement = serializer.serializeAnonymousSequence(null, inLineInSeq);
                    inSeqElement.setLocalName("inSequence");
                    target.addChild(inSeqElement);
                    proxy.addChild(target);
                }
            }
            if (outSeq != null) {
                target.addAttribute(fac.createOMAttribute("outSequence", nullNS, outSeq));
                proxy.addChild(target);
            } else {
                SequenceMediator inLineOutSeq = service.getTargetInLineOutSequence();
                if (inLineOutSeq != null) {
                    OMElement outSeqElement = serializer.serializeAnonymousSequence(null, inLineOutSeq);
                    outSeqElement.setLocalName("outSequence");
                    target.addChild(outSeqElement);
                    proxy.addChild(target);
                }
            }
            if (faultSeq != null) {
                target.addAttribute(fac.createOMAttribute("faultSequence", nullNS, faultSeq));
                proxy.addChild(target);
            } else {
                SequenceMediator inLineFaultSeq = service.getTargetInLineFaultSequence();
                if (inLineFaultSeq != null) {
                    OMElement faultSeqElement = serializer.serializeAnonymousSequence(null, inLineFaultSeq);
                    faultSeqElement.setLocalName("faultSequence");
                    target.addChild(faultSeqElement);
                    proxy.addChild(target);
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     * a simple sequence with a <send/>
     *
     * @param config the configuration to be updated
     */
    public static void setDefaultMainSequence(SynapseConfiguration config) {
        SequenceMediator main = new SequenceMediator();
        main.setName(SynapseConstants.MAIN_SEQUENCE_KEY);
        main.addChild(new LogMediator());
        main.addChild(new DropMediator());
        config.addSequence(SynapseConstants.MAIN_SEQUENCE_KEY, main);
        // set the aspect configuration
        AspectConfiguration configuration = new AspectConfiguration(main.getName());
        main.configure(configuration);
    }
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