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Example 1 with POJOCommandMediator

use of org.apache.synapse.mediators.ext.POJOCommandMediator in project wso2-synapse by wso2.

the class POJOCommandMediatorSerializer method serializeSpecificMediator.

public OMElement serializeSpecificMediator(Mediator m) {
    if (!(m instanceof POJOCommandMediator)) {
        handleException("Unsupported mediator passed in for serialization : " + m.getType());
    }
    POJOCommandMediator mediator = (POJOCommandMediator) m;
    OMElement pojoCommand = fac.createOMElement("pojoCommand", synNS);
    saveTracingState(pojoCommand, mediator);
    if (mediator.getCommand() != null && mediator.getCommand().getClass().getName() != null) {
        pojoCommand.addAttribute(fac.createOMAttribute("name", nullNS, mediator.getCommand().getName()));
    } else {
        handleException("Invalid POJO Command mediator. The command class name is required");
    }
    for (String propName : mediator.getStaticSetterProperties().keySet()) {
        Object value = mediator.getStaticSetterProperties().get(propName);
        OMElement prop = fac.createOMElement(PROP_Q);
        prop.addAttribute(fac.createOMAttribute("name", nullNS, propName));
        if (value instanceof String) {
            prop.addAttribute(fac.createOMAttribute("value", nullNS, (String) value));
        } else if (value instanceof OMElement) {
            prop.addChild((OMElement) value);
        } else {
            handleException("Unable to serialize the command " + "mediator property with the naem " + propName + " : Unknown type");
        }
        if (mediator.getContextGetterProperties().containsKey(propName)) {
            prop.addAttribute(fac.createOMAttribute("context-name", nullNS, mediator.getContextGetterProperties().get(propName)));
        } else if (mediator.getMessageGetterProperties().containsKey(propName)) {
            SynapseXPathSerializer.serializeXPath(mediator.getMessageGetterProperties().get(propName), prop, "expression");
        }
        pojoCommand.addChild(prop);
    }
    for (String propName : mediator.getMessageSetterProperties().keySet()) {
        OMElement prop = fac.createOMElement(PROP_Q);
        prop.addAttribute(fac.createOMAttribute("name", nullNS, propName));
        SynapseXPathSerializer.serializeXPath(mediator.getMessageSetterProperties().get(propName), prop, "expression");
        if (mediator.getMessageGetterProperties().containsKey(propName)) {
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadAndUpdateMessage"));
        } else if (mediator.getContextGetterProperties().containsKey(propName)) {
            prop.addAttribute(fac.createOMAttribute("context-name", nullNS, mediator.getContextGetterProperties().get(propName)));
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadMessage"));
        } else {
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadMessage"));
        }
        pojoCommand.addChild(prop);
    }
    for (String propName : mediator.getContextSetterProperties().keySet()) {
        OMElement prop = fac.createOMElement(PROP_Q);
        prop.addAttribute(fac.createOMAttribute("name", nullNS, propName));
        prop.addAttribute(fac.createOMAttribute("context-name", nullNS, mediator.getContextSetterProperties().get(propName)));
        if (mediator.getContextGetterProperties().containsKey(propName)) {
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadAndUpdateContext"));
        } else if (mediator.getMessageGetterProperties().containsKey(propName)) {
            SynapseXPathSerializer.serializeXPath(mediator.getMessageGetterProperties().get(propName), prop, "expression");
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadContext"));
        } else {
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "ReadContext"));
        }
        pojoCommand.addChild(prop);
    }
    for (String propName : mediator.getContextGetterProperties().keySet()) {
        if (!isSerialized(propName, mediator)) {
            String value = mediator.getContextGetterProperties().get(propName);
            OMElement prop = fac.createOMElement(PROP_Q);
            prop.addAttribute(fac.createOMAttribute("name", nullNS, propName));
            prop.addAttribute(fac.createOMAttribute("context-name", nullNS, value));
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "UpdateContext"));
            pojoCommand.addChild(prop);
        }
    }
    for (String propName : mediator.getMessageGetterProperties().keySet()) {
        if (!isSerialized(propName, mediator)) {
            OMElement prop = fac.createOMElement(PROP_Q);
            prop.addAttribute(fac.createOMAttribute("name", nullNS, propName));
            SynapseXPathSerializer.serializeXPath(mediator.getMessageGetterProperties().get(propName), prop, "expression");
            prop.addAttribute(fac.createOMAttribute("action", nullNS, "UpdateMessage"));
            pojoCommand.addChild(prop);
        }
    }
    return pojoCommand;
}
Also used : OMElement(org.apache.axiom.om.OMElement) POJOCommandMediator(org.apache.synapse.mediators.ext.POJOCommandMediator)

Example 2 with POJOCommandMediator

use of org.apache.synapse.mediators.ext.POJOCommandMediator in project wso2-synapse by wso2.

the class POJOCommandMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    POJOCommandMediator pojoMediator = new POJOCommandMediator();
    processAuditStatus(pojoMediator, elem);
    // Class name of the Command object should be present
    OMAttribute name = elem.getAttribute(ATT_NAME);
    if (name == null) {
        String msg = "The name of the actual POJO command implementation class" + " is a required attribute";
        log.error(msg);
        throw new SynapseException(msg);
    }
    // load the class for the command object
    try {
        pojoMediator.setCommand(getClass().getClassLoader().loadClass(name.getAttributeValue()));
    } catch (ClassNotFoundException e) {
        handleException("Unable to load the class specified as the command " + name.getAttributeValue(), e);
    }
    // at the mediation time
    for (Iterator it = elem.getChildElements(); it.hasNext(); ) {
        OMElement child = (OMElement) it.next();
        if ("property".equals(child.getLocalName())) {
            OMAttribute nameAttr = child.getAttribute(ATT_NAME);
            if (nameAttr != null && nameAttr.getAttributeValue() != null && !"".equals(nameAttr.getAttributeValue())) {
                handlePropertyAction(nameAttr.getAttributeValue(), child, pojoMediator);
            } else {
                handleException("A POJO command mediator " + "property must specify the name attribute");
            }
        }
    }
    return pojoMediator;
}
Also used : SynapseException(org.apache.synapse.SynapseException) Iterator(java.util.Iterator) OMElement(org.apache.axiom.om.OMElement) POJOCommandMediator(org.apache.synapse.mediators.ext.POJOCommandMediator) OMAttribute(org.apache.axiom.om.OMAttribute)

Aggregations

OMElement (org.apache.axiom.om.OMElement)2 POJOCommandMediator (org.apache.synapse.mediators.ext.POJOCommandMediator)2 Iterator (java.util.Iterator)1 OMAttribute (org.apache.axiom.om.OMAttribute)1 SynapseException (org.apache.synapse.SynapseException)1