Examples of org.apache.axiom.om.OMElement

org.apache.axiom.om.OMElement
A particular kind of node that represents an element infoset information item.
An element has a collection of children, attributes, and namespace declarations. In contrast with DOM, this interface exposes namespace declarations separately from the attributes.
Namespace declarations are either added explicitly using {@link #declareNamespace(String,String)}, {@link #declareDefaultNamespace(String)} or{@link #declareNamespace(OMNamespace)}, or are created implicitly as side effect of other method calls:
- If the element is created with a namespace and no matching namespace declaration is in scope in the location in the tree where the element is created, then an appropriate namespace declaration will be automatically added to the newly created element. The exact rules depend on the method chosen to create the element; see for example {@link OMFactory#createOMElement(QName)}.
- If an attribute with a namespace is added, but no matching namespace declaration is in scope in the element, one is automatically added. See {@link #addAttribute(OMAttribute)} for moredetails.
Thus, creating a new element or adding an attribute preserves the consistency of the object model with respect to namespaces. However, Axiom does not enforce namespace well-formedness for all possible operations on the object model. E.g. moving an element from one location in the tree to another one may cause the object model to loose its namespace well-formedness. In that case it is possible that the object model contains elements or attributes with namespaces for which no corresponding namespace declarations are in scope.
Fortunately, loosing namespace well-formedness has only very limited impact:
- If namespace well-formedness is lost, the string to {@link QName} resolution for attributevalues and element content may be inconsistent, i.e. {@link #resolveQName(String)}, {@link #getTextAsQName()} and {@link OMText#getTextAsQName()} may return incorrect results.However, it should be noted that these methods are most relevant for object model instances that have been loaded from existing documents or messages. These object models are guaranteed to be well-formed with respect to namespaces (unless they have been modified after loading).
- During serialization, Axiom will automatically repair any namespace inconsistencies. It will add necessary namespace declarations to the output document where they are missing in the object model and generate modified namespace declarations where the original ones in the object model are inconsistent. It will also omit redundant namespace declarations. Axiom guarantees that in the output document, every element and attribute (and {@link OMText} instance with a{@link QName} value) will have the same namespace URI as in the object model, thus preserving theintended semantics of the document. On the other hand, the namespace prefixes used in the output document may differ from the ones in the object model.
- More precisely, Axiom will always make sure that any {@link OMElement} or {@link OMAttribute}node will keep the namespace URI that has been assigned to the node at creation time, unless the namespace is explicitly changed using {@link #setNamespace(OMNamespace)} or{@link OMAttribute#setOMNamespace(OMNamespace)}. [TODO: this is currently not entirely true; see WSCOMMONS-517]

            }


            Iterator messageStores = FileUtils.iterateFiles(messageStoresDir, extensions, false);
            while (messageStores.hasNext()) {
                File file = (File) messageStores.next();
                OMElement document = getOMElement(file);
                MessageStore messageStore = SynapseXMLConfigurationFactory.defineMessageStore(
                        synapseConfig, document, properties);
                if (messageStore != null) {
                    messageStore.setFileName(file.getName());
                    synapseConfig.getArtifactDeploymentStore().addArtifact(file.getAbsolutePath(),

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            }


            Iterator messageProcessors = FileUtils.iterateFiles(messageProcessorDir, extensions, false);
            while (messageProcessors.hasNext()) {
                File file = (File) messageProcessors.next();
                OMElement document = getOMElement(file);
                MessageProcessor messageProcessor = SynapseXMLConfigurationFactory.defineMessageProcessor(
                        synapseConfig, document, properties);
                if (messageProcessor != null) {
                    messageProcessor.setFileName(file.getName());
                    synapseConfig.getArtifactDeploymentStore().addArtifact(file.getAbsolutePath(),

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    }




    private static OMElement getOMElement(File file) {
        FileInputStream is;
        OMElement document = null;


        try {
            is = FileUtils.openInputStream(file);
        } catch (IOException e) {
            handleException("Error while opening the file: " + file.getName() + " for reading", e);
            return null;
        }


        try {
            document = OMXMLBuilderFactory.createOMBuilder(is).getDocumentElement();
            document.build();
            is.close();
        } catch (OMException e) {
            handleException("Error while parsing the content of the file: " + file.getName(), e);
        } catch (IOException e) {
            log.warn("Error while closing the input stream from the file: " + file.getName(), e);

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                String soap = (String) o;
                try {
                    XMLStreamReader xmlReader =
                            StAXUtils.createXMLStreamReader(new ByteArrayInputStream(soap.getBytes()));
                    StAXBuilder builder = new StAXSOAPModelBuilder(xmlReader);
                    OMElement elem = builder.getDocumentElement();
                    elem.build();
                    if (elem instanceof SOAPEnvelope) {
                        SOAPEnvelope soapEnvelope = (SOAPEnvelope) elem;
                        String soapNamespace = soapEnvelope.getNamespace().getNamespaceURI();
                        if (soapEnvelope.getHeader() == null) {
                            SOAPFactory soapFactory;
                            if (soapNamespace.equals(SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI)) {
                                soapFactory = OMAbstractFactory.getSOAP12Factory();
                            } else {
                                soapFactory = OMAbstractFactory.getSOAP11Factory();
                            }
                            soapFactory.createSOAPHeader(soapEnvelope);
                        }
                        sourceNodeList.add(soapEnvelope);
                    } else {
                        sourceNodeList.add(elem);
                    }
                } catch (XMLStreamException e) {
                    synLog.error("Source Property cannot be parsed : " + e.getStackTrace().toString());
                }
            } else if (o instanceof ArrayList) {
                ArrayList nodesList = (ArrayList) o;
                for (Object node : nodesList) {
                    if (node instanceof OMElement) {
                        if (node instanceof SOAPEnvelope) {
                            SOAPEnvelope soapEnvelope = (SOAPEnvelope) node;
                            String soapNamespace = null;


                            if (soapEnvelope.getNamespace() != null) {
                                soapNamespace = soapEnvelope.getNamespace().getNamespaceURI();
                            }
                            if (soapEnvelope.getHeader() == null && soapNamespace != null) {
                                SOAPFactory soapFactory;
                                if (soapNamespace.equals(SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI)) {
                                    soapFactory = OMAbstractFactory.getSOAP12Factory();
                                } else {
                                    soapFactory = OMAbstractFactory.getSOAP11Factory();
                                }
                                soapFactory.createSOAPHeader(soapEnvelope);
                            }
                            sourceNodeList.add(soapEnvelope);
                        } else {
                            OMElement ele = (OMElement) node;
                            sourceNodeList.add(ele);
                        }
                    } else if (node instanceof OMText) {
                        sourceNodeList.add((OMText) node);
                    }
                }
            } else {
                synLog.error("Invalid source property type.");
            }
        } else if (sourceType == EnrichMediator.INLINE) {
            if (inlineOMNode instanceof OMElement) {
                OMElement inlineOMElement = (OMElement) inlineOMNode;
                if (inlineOMElement.getQName().getLocalPart().equals("Envelope")) {
                    SOAPEnvelope soapEnvelope = getSOAPEnvFromOM(inlineOMElement);
                    if (soapEnvelope != null) {
                        sourceNodeList.add(soapEnvelope);
                    } else {
                        synLog.error("Inline Source is not a valid SOAPEnvelope.");
                    }
                } else {
                    sourceNodeList.add(inlineOMElement.cloneOMElement());
                }
            } else if (inlineOMNode instanceof OMText) {
                sourceNodeList.add(inlineOMNode);
            } else if (inlineKey != null) {
                Object inlineObj = synCtx.getEntry(inlineKey);

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            handleException("Unsupported mediator passed in for serialization : " + m.getType());
            return null;
        }


        URLRewriteMediator mediator = (URLRewriteMediator) m;
        OMElement rewrite = fac.createOMElement("rewrite", synNS);        
        
        String inProperty = mediator.getInputProperty();
        String outProperty = mediator.getOutputProperty();
        
        if (inProperty != null) {
          rewrite.addAttribute(fac.createOMAttribute("inProperty", nullNS,
                                                        inProperty));
        }
        if (outProperty != null) {
          rewrite.addAttribute(fac.createOMAttribute("outProperty", nullNS,
                                                        outProperty));
        }


        saveTracingState(rewrite, mediator);
        
        List<RewriteRule> rules = mediator.getRules();
        try {
            for (RewriteRule r : rules) {
                OMElement rule = serializeRule(r);
                rewrite.addChild(rule);
            }
        } catch (EvaluatorException e) {
            handleException("Error while serializing the rewrite rule", e);
        }

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        return rewrite;
    }


    private OMElement serializeRule(RewriteRule r) throws EvaluatorException {
        OMElement rule = fac.createOMElement("rewriterule", synNS);
        Evaluator condition = r.getCondition();
        if (condition != null) {
            OMElement conditionElt = fac.createOMElement("condition", synNS);
            EvaluatorSerializer serializer = EvaluatorSerializerFinder.getInstance().
                    getSerializer(condition.getName());
            serializer.serialize(conditionElt, condition);
            rule.addChild(conditionElt);
        }


        List<RewriteAction> actions = r.getActions();
        for (RewriteAction a : actions) {
            OMElement action = serializeAction(a);
            rule.addChild(action);
        }


        return rule;
    }

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        return rule;
    }


    private OMElement serializeAction(RewriteAction a) {
        OMElement action = fac.createOMElement("action", synNS);
        if (a.getValue() != null) {
            action.addAttribute("value", a.getValue(), null);
        } else if (a.getXpath() != null) {
            action.addAttribute("xpath", a.getXpath().toString(), null);
        }


        if (a.getRegex() != null) {
            action.addAttribute("regex", a.getRegex(), null);
        }


        int type = a.getActionType();
        String typeStr;
        switch (type) {
            case RewriteAction.ACTION_APPEND:
                typeStr = URLRewriteMediatorFactory.ACTION_APPEND;
                break;


            case RewriteAction.ACTION_PREPEND:
                typeStr = URLRewriteMediatorFactory.ACTION_PREPEND;
                break;


            case RewriteAction.ACTION_REPLACE:
                typeStr = URLRewriteMediatorFactory.ACTION_REPLACE;
                break;


            case RewriteAction.ACTION_REMOVE:
                typeStr = URLRewriteMediatorFactory.ACTION_REMOVE;
                break;


            default:
                typeStr = URLRewriteMediatorFactory.ACTION_SET;
        }
        action.addAttribute("type", typeStr, null);


        int fragment = a.getFragmentIndex();
        String fragmentStr;
        switch (fragment) {
            case URIFragments.PROTOCOL:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PROTOCOL;
                break;


            case URIFragments.USER_INFO:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_USER_INFO;
                break;


            case URIFragments.HOST:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_HOST;
                break;


            case URIFragments.PORT:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PORT;
                break;


            case URIFragments.PATH:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PATH;
                break;


            case URIFragments.QUERY:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_QUERY;
                break;


            case URIFragments.REF:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_REF;
                break;


            default:
                fragmentStr = URLRewriteMediatorFactory.FRAGMENT_FULL_URI;
        }
        action.addAttribute("fragment", fragmentStr, null);
        
        return action;
    }

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        if (wsRMEnabled) {
            // if a WS-RM policy is specified, use it
            if (wsRMPolicyKey != null) {
                Object property = synapseOutMessageContext.getEntry(wsRMPolicyKey);
                if (property instanceof OMElement) {
                    OMElement policyOMElement = (OMElement) property;
                    RMAssertionBuilder builder = new RMAssertionBuilder();
                    SandeshaPolicyBean sandeshaPolicyBean = (SandeshaPolicyBean) builder.build(policyOMElement, null);
                    Parameter policyParam = new Parameter(Sandesha2Constants.SANDESHA_PROPERTY_BEAN, sandeshaPolicyBean);
                    anoymousService.addParameter(policyParam);
                }

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            processor.setMessageStoreName(storeAtt.getAttributeValue());
        } else {
            handleException("Can't create message processor with out a message processor");
        }


        OMElement descriptionElem = elem.getFirstChildWithName(DESCRIPTION_Q);
        if (descriptionElem != null) {
            assert processor != null;
            processor.setDescription(descriptionElem.getText());
        }


        assert processor != null;
        processor.setParameters(getParameters(elem));

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        Map<String, Object> parameters = new HashMap<String, Object>();


        while (params.hasNext()) {
            Object o = params.next();
            if (o instanceof OMElement) {
                OMElement prop = (OMElement) o;
                OMAttribute paramName = prop.getAttribute(NAME_Q);
                String paramValue = prop.getText();
                if (paramName != null) {
                    if (paramValue != null) {
                        parameters.put(paramName.getAttributeValue(), paramValue);
                    }
                } else {

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