Package org.apache.synapse.mediators.transform

Examples of org.apache.synapse.mediators.transform.HeaderMediator

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    private static final QName HEADER_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "header");
    private static final QName ATT_ACTION = new QName("action");

    protected Mediator createSpecificMediator(OMElement elem, Properties properties) {

        HeaderMediator headerMediator = new HeaderMediator();
        OMAttribute name   = elem.getAttribute(ATT_NAME);
        OMAttribute value  = elem.getAttribute(ATT_VALUE);
        OMAttribute exprn  = elem.getAttribute(ATT_EXPRN);
        OMAttribute action = elem.getAttribute(ATT_ACTION);

        if (name == null || name.getAttributeValue() == null) {
            String msg = "A valid name attribute is required for the header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else {
            String nameAtt = name.getAttributeValue();
            int colonPos = nameAtt.indexOf(":");
            if (colonPos != -1) {
                // has a NS prefix.. find it and the NS it maps into
                String prefix = nameAtt.substring(0, colonPos);
                String namespaceURI = OMElementUtils.getNameSpaceWithPrefix(prefix, elem);
                if (namespaceURI == null) {
                    handleException("Invalid namespace prefix '" + prefix + "' in name attribute");
                } else {
                  headerMediator.setQName(new QName(namespaceURI, nameAtt.substring(colonPos+1),
                            prefix));
                }
            } else {
                // no prefix
                if (SynapseConstants.HEADER_TO.equals(nameAtt) ||
                        SynapseConstants.HEADER_FROM.equals(nameAtt) ||
                        SynapseConstants.HEADER_ACTION.equals(nameAtt) ||
                        SynapseConstants.HEADER_FAULT.equals(nameAtt) ||
                        SynapseConstants.HEADER_REPLY_TO.equals(nameAtt) ||
                        SynapseConstants.HEADER_RELATES_TO.equals(nameAtt)) {

                    headerMediator.setQName(new QName(nameAtt));
                } else {
                    handleException("Invalid SOAP header: " + nameAtt + " specified at the " +
                            "header mediator. All SOAP headers must be namespace qualified.");
                }
            }
        }

        // after successfully creating the mediator
        // set its common attributes such as tracing etc
        processAuditStatus(headerMediator,elem);

        // The action attribute is optional, if provided and equals to 'remove' the
        // header mediator will act as a header remove mediator
        if (action != null && "remove".equals(action.getAttributeValue())) {
            headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
        }

        if (headerMediator.getAction() == HeaderMediator.ACTION_SET &&
            value == null && exprn == null) {
            handleException("A 'value' or 'expression' attribute is required for a [set] " +
                    "header mediator");
        }

        if (value != null && value.getAttributeValue() != null) {
            headerMediator.setValue(value.getAttributeValue());

        } else if (exprn != null && exprn.getAttributeValue() != null) {
            try {
                headerMediator.setExpression(SynapseXPathFactory.getSynapseXPath(elem, ATT_EXPRN));
            } catch (JaxenException je) {
                handleException("Invalid XPath expression : " + exprn.getAttributeValue());
            }
        }
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        if (!(m instanceof HeaderMediator)) {
            handleException("Unsupported mediator passed in for serialization : " + m.getType());
        }

        HeaderMediator mediator = (HeaderMediator) m;
        OMElement header = fac.createOMElement("header", synNS);
        saveTracingState(header,mediator);

        QName qName = mediator.getQName();
        if (qName != null) {
            if (qName.getNamespaceURI() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS,
                    (qName.getPrefix() != null && !"".equals(qName.getPrefix())
                        ? qName.getPrefix() + ":" : "") +
                    qName.getLocalPart()));
                header.declareNamespace(qName.getNamespaceURI(), qName.getPrefix());
            } else {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS, qName.getLocalPart()));
            }
        }

        if (mediator.getAction() == HeaderMediator.ACTION_REMOVE) {
            header.addAttribute(fac.createOMAttribute(
                "action", nullNS, "remove"));
        } else {
            if (mediator.getValue() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "value", nullNS, mediator.getValue()));

            } else if (mediator.getExpression() != null) {

                SynapseXPathSerializer.serializeXPath(
                    mediator.getExpression(), header, "expression");

            } else {
                handleException("Value or expression required for a set header mediator");
            }
        }
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    private static final QName HEADER_Q = new QName(Constants.SYNAPSE_NAMESPACE, "header");

    public Mediator createMediator(OMElement elem) {

        HeaderMediator headerMediator = new HeaderMediator();
        OMAttribute name   = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
        OMAttribute value  = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "value"));
        OMAttribute exprn  = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "expression"));
        OMAttribute action = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "action"));

        if (name == null || name.getAttributeValue() == null) {
            String msg = "A valid name attribute is required for the header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else {
            String nameAtt = name.getAttributeValue();
            int colonPos = nameAtt.indexOf(":");
            if (colonPos != -1) {
                // has a NS prefix.. find it and the NS it maps into
                String prefix = nameAtt.substring(0, colonPos);
                Iterator it = elem.getAllDeclaredNamespaces();
                while (it.hasNext()) {
                    OMNamespace n = (OMNamespace) it.next();
                    if (prefix.equals(n.getPrefix())) {
                        headerMediator.setQName(
                            new QName(n.getNamespaceURI(), nameAtt.substring(colonPos+1), prefix));
                    }
                }
            } else {
                // no prefix
                headerMediator.setQName(new QName(nameAtt));
            }
        }

        // The action attribute is optional, if provided and equals to 'remove' the
        // header mediator will act as a header remove mediator
        if (action != null && "remove".equals(action.getAttributeValue())) {
            headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
        }

        if (headerMediator.getAction() == HeaderMediator.ACTION_SET &&
            value == null && exprn == null) {
            String msg = "A 'value' or 'expression' attribute is required for a [set] header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        }

        if (value != null && value.getAttributeValue() != null) {
            headerMediator.setValue(value.getAttributeValue());

        } else if (exprn != null && exprn.getAttributeValue() != null) {
            try {
                AXIOMXPath xp = new AXIOMXPath(exprn.getAttributeValue());
                OMElementUtils.addNameSpaces(xp, elem, log);
                headerMediator.setExpression(xp);
            } catch (JaxenException je) {
                String msg = "Invalid XPath expression : " + exprn.getAttributeValue();
                log.error(msg);
                throw new SynapseException(msg, je);
            }
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        if (!(m instanceof HeaderMediator)) {
            handleException("Unsupported mediator passed in for serialization : " + m.getType());
        }

        HeaderMediator mediator = (HeaderMediator) m;
        OMElement header = fac.createOMElement("header", synNS);

        QName qName = mediator.getQName();
        if (qName != null) {
            if (qName.getNamespaceURI() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS,
                    (qName.getPrefix() != null && !"".equals(qName.getPrefix())
                        ? qName.getPrefix() + ":" : "") +
                    qName.getLocalPart()));
                header.declareNamespace(qName.getNamespaceURI(), qName.getPrefix());
            } else {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS, qName.getLocalPart()));
            }
        }

        if (mediator.getAction() == HeaderMediator.ACTION_REMOVE) {
            header.addAttribute(fac.createOMAttribute(
                "action", nullNS, "remove"));
        } else {
            if (mediator.getValue() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "value", nullNS, mediator.getValue()));

            } else if (mediator.getExpression() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "expression", nullNS, mediator.getExpression().toString()));
                super.serializeNamespaces(header, mediator.getExpression());

            } else {
                handleException("Value or expression required for a set header mediator");
            }
        }
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    private static final QName HEADER_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "header");
    private static final QName ATT_ACTION = new QName("action");

    public Mediator createMediator(OMElement elem) {

        HeaderMediator headerMediator = new HeaderMediator();
        OMAttribute name   = elem.getAttribute(ATT_NAME);
        OMAttribute value  = elem.getAttribute(ATT_VALUE);
        OMAttribute exprn  = elem.getAttribute(ATT_EXPRN);
        OMAttribute action = elem.getAttribute(ATT_ACTION);

        if (name == null || name.getAttributeValue() == null) {
            String msg = "A valid name attribute is required for the header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else {
            String nameAtt = name.getAttributeValue();
            int colonPos = nameAtt.indexOf(":");
            if (colonPos != -1) {
                // has a NS prefix.. find it and the NS it maps into
                String prefix = nameAtt.substring(0, colonPos);
                Iterator it = elem.getAllDeclaredNamespaces();
                while (it.hasNext()) {
                    OMNamespace n = (OMNamespace) it.next();
                    if (prefix.equals(n.getPrefix())) {
                        headerMediator.setQName(
                            new QName(n.getNamespaceURI(), nameAtt.substring(colonPos+1), prefix));
                    }
                }
            } else {
                // no prefix
                headerMediator.setQName(new QName(nameAtt));
            }
        }

        // after successfully creating the mediator
        // set its common attributes such as tracing etc
        processTraceState(headerMediator,elem);

        // The action attribute is optional, if provided and equals to 'remove' the
        // header mediator will act as a header remove mediator
        if (action != null && "remove".equals(action.getAttributeValue())) {
            headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
        }

        if (headerMediator.getAction() == HeaderMediator.ACTION_SET &&
            value == null && exprn == null) {
            String msg = "A 'value' or 'expression' attribute is required for a [set] header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        }

        if (value != null && value.getAttributeValue() != null) {
            headerMediator.setValue(value.getAttributeValue());

        } else if (exprn != null && exprn.getAttributeValue() != null) {
            try {
                AXIOMXPath xp = new AXIOMXPath(exprn.getAttributeValue());
                OMElementUtils.addNameSpaces(xp, elem, log);
                headerMediator.setExpression(xp);
            } catch (JaxenException je) {
                String msg = "Invalid XPath expression : " + exprn.getAttributeValue();
                log.error(msg);
                throw new SynapseException(msg, je);
            }
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        if (!(m instanceof HeaderMediator)) {
            handleException("Unsupported mediator passed in for serialization : " + m.getType());
        }

        HeaderMediator mediator = (HeaderMediator) m;
        OMElement header = fac.createOMElement("header", synNS);
        saveTracingState(header,mediator);

        QName qName = mediator.getQName();
        if (qName != null) {
            if (qName.getNamespaceURI().length() != 0) {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS,
                    (qName.getPrefix() != null && !"".equals(qName.getPrefix())
                        ? qName.getPrefix() + ":" : "") +
                    qName.getLocalPart()));
                header.declareNamespace(qName.getNamespaceURI(), qName.getPrefix());
            } else {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS, qName.getLocalPart()));
            }
        }

        if (mediator.getAction() == HeaderMediator.ACTION_REMOVE) {
            header.addAttribute(fac.createOMAttribute(
                "action", nullNS, "remove"));
        } else {
            if (mediator.getValue() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "value", nullNS, mediator.getValue()));

            } else if (mediator.getExpression() != null) {

                SynapseXPathSerializer.serializeXPath(
                    mediator.getExpression(), header, "expression");

            } else {
                handleException("Value or expression required for a set header mediator");
            }
        }
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    private static final QName HEADER_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "header");
    private static final QName ATT_ACTION = new QName("action");

    public Mediator createSpecificMediator(OMElement elem, Properties properties) {

        HeaderMediator headerMediator = new HeaderMediator();
        OMAttribute name   = elem.getAttribute(ATT_NAME);
        OMAttribute value  = elem.getAttribute(ATT_VALUE);
        OMAttribute exprn  = elem.getAttribute(ATT_EXPRN);
        OMAttribute action = elem.getAttribute(ATT_ACTION);

        if (name == null || name.getAttributeValue() == null) {
            String msg = "A valid name attribute is required for the header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else {
            String nameAtt = name.getAttributeValue();
            int colonPos = nameAtt.indexOf(":");
            if (colonPos != -1) {
                // has a NS prefix.. find it and the NS it maps into
                String prefix = nameAtt.substring(0, colonPos);
                String namespaceURI = OMElementUtils.getNameSpaceWithPrefix(prefix, elem);
                if (namespaceURI == null) {
                    handleException("Invalid namespace prefix '" + prefix + "' in name attribute");
                } else {
                  headerMediator.setQName(new QName(namespaceURI, nameAtt.substring(colonPos+1),
                            prefix));
                }
            } else {
                // no prefix
                if (SynapseConstants.HEADER_TO.equals(nameAtt) ||
                        SynapseConstants.HEADER_FROM.equals(nameAtt) ||
                        SynapseConstants.HEADER_ACTION.equals(nameAtt) ||
                        SynapseConstants.HEADER_FAULT.equals(nameAtt) ||
                        SynapseConstants.HEADER_REPLY_TO.equals(nameAtt) ||
                        SynapseConstants.HEADER_RELATES_TO.equals(nameAtt)) {

                    headerMediator.setQName(new QName(nameAtt));
                } else {
                    handleException("Invalid SOAP header: " + nameAtt + " specified at the " +
                            "header mediator. All SOAP headers must be namespace qualified.");
                }
            }
        }

        // after successfully creating the mediator
        // set its common attributes such as tracing etc
        processAuditStatus(headerMediator,elem);

        // The action attribute is optional, if provided and equals to 'remove' the
        // header mediator will act as a header remove mediator
        if (action != null && "remove".equals(action.getAttributeValue())) {
            headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
        }

        if (headerMediator.getAction() == HeaderMediator.ACTION_SET &&
            value == null && exprn == null) {
            handleException("A 'value' or 'expression' attribute is required for a [set] " +
                    "header mediator");
        }

        if (value != null && value.getAttributeValue() != null) {
            headerMediator.setValue(value.getAttributeValue());

        } else if (exprn != null && exprn.getAttributeValue() != null) {
            try {
                headerMediator.setExpression(SynapseXPathFactory.getSynapseXPath(elem, ATT_EXPRN));
            } catch (JaxenException je) {
                handleException("Invalid XPath expression : " + exprn.getAttributeValue());
            }
        }
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    private static final QName HEADER_Q = new QName(Constants.SYNAPSE_NAMESPACE, "header");

    public Mediator createMediator(OMElement elem) {

        HeaderMediator headerMediator = new HeaderMediator();
        OMAttribute name   = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
        OMAttribute value  = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "value"));
        OMAttribute exprn  = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "expression"));
        OMAttribute action = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "action"));

        if (name == null || name.getAttributeValue() == null) {
            String msg = "A valid name attribute is required for the header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        } else {
            headerMediator.setName(name.getAttributeValue());
        }

        // The action attribute is optional, if provided and equals to 'remove' the
        // header mediator will act as a header remove mediator
        if (action != null && "remove".equals(action.getAttributeValue())) {
            headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
        }

        if (value == null && exprn == null) {
            String msg = "A 'value' or 'expression' attribute is required for a header mediator";
            log.error(msg);
            throw new SynapseException(msg);
        }

        if (value != null && value.getAttributeValue() != null) {
            headerMediator.setValue(value.getAttributeValue());

        } else if (exprn != null && exprn.getAttributeValue() != null) {
            try {
                AXIOMXPath xp = new AXIOMXPath(exprn.getAttributeValue());
                Util.addNameSpaces(xp, elem, log);
                headerMediator.setExpression(xp);
            } catch (JaxenException je) {
                String msg = "Invalid XPath expression : " + exprn.getAttributeValue();
                log.error(msg);
                throw new SynapseException(msg, je);
            }
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                PropertyMediator responseProperty = new PropertyMediator();
                responseProperty.setName(SynapseConstants.RESPONSE);
                responseProperty.setValue("true");

                HeaderMediator headerMediator = new HeaderMediator();
                headerMediator.setQName(new QName("To"));
                headerMediator.setAction(1);

                SendMediator sendMediator = new SendMediator();
                DropMediator dropMediator = new DropMediator();

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

        HeaderMediator mediator = (HeaderMediator) m;
        OMElement header = fac.createOMElement("header", synNS);
        saveTracingState(header,mediator);

        QName qName = mediator.getQName();
        if (qName != null) {
            if (qName.getNamespaceURI() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS,
                    (qName.getPrefix() != null && !"".equals(qName.getPrefix())
                        ? qName.getPrefix() + ":" : "") +
                    qName.getLocalPart()));
                header.declareNamespace(qName.getNamespaceURI(), qName.getPrefix());
            } else {
                header.addAttribute(fac.createOMAttribute(
                    "name", nullNS, qName.getLocalPart()));
            }
        }

        if (mediator.getAction() == HeaderMediator.ACTION_REMOVE) {
            header.addAttribute(fac.createOMAttribute(
                "action", nullNS, "remove"));
        } else {
            if (mediator.getValue() != null) {
                header.addAttribute(fac.createOMAttribute(
                    "value", nullNS, mediator.getValue()));

            } else if (mediator.getExpression() != null) {

                SynapseXPathSerializer.serializeXPath(
                    mediator.getExpression(), header, "expression");

            } else {
                handleException("Value or expression required for a set header mediator");
            }
        }
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Related Classes of org.apache.synapse.mediators.transform.HeaderMediator

  • org.apache.axiom.om.OMElement
  • org.apache.axiom.soap.SOAPEnvelope
  • org.apache.axiom.soap.SOAPFactory
  • org.apache.axiom.soap.SOAPHeader
  • org.apache.axiom.soap.SOAPHeaderBlock
  • org.apache.axis2.addressing.EndpointReference
  • org.apache.axis2.addressing.RelatesTo
  • org.apache.synapse.config.xml.HeaderMediatorFactory
  • org.apache.synapse.config.xml.HeaderMediatorSerializer
  • org.apache.synapse.SynapseLog
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