Examples with Value org.apache.synapse.mediators.Value used on opensource projects

Example 16 with Value

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

the class XSLTMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    XSLTMediator transformMediator = new XSLTMediator();
    OMAttribute attXslt = elem.getAttribute(ATT_KEY);
    OMAttribute attSource = elem.getAttribute(ATT_SOURCE);
    OMAttribute attTarget = elem.getAttribute(ATT_TARGET);
    OMAttribute attUseCache = elem.getAttribute(ATT_USECACHE);
    if (attXslt != null) {
        // ValueFactory for creating dynamic or static Value
        ValueFactory keyFac = new ValueFactory();
        // create dynamic or static key based on OMElement
        Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, elem);
        // set generated key as the Value
        transformMediator.setXsltKey(generatedKey);
    } else {
        handleException("The '" + XMLConfigConstants.KEY + "' " + "attribute is required for the XSLT mediator");
    }
    if (attSource != null) {
        try {
            transformMediator.setSourceXPathString(attSource.getAttributeValue());
            transformMediator.setSource(SynapseXPathFactory.getSynapseXPath(elem, ATT_SOURCE));
        } catch (JaxenException e) {
            handleException("Invalid XPath specified for the source attribute : " + attSource.getAttributeValue());
        }
    }
    if (attTarget != null) {
        transformMediator.setTargetPropertyName(attTarget.getAttributeValue());
    }
    if (attUseCache != null) {
        transformMediator.setUseCache(Boolean.parseBoolean(attUseCache.getAttributeValue()));
    }
    // after successfully creating the mediator
    // set its common attributes such as tracing etc
    processAuditStatus(transformMediator, elem);
    // set the features
    for (Map.Entry<String, String> entry : collectNameValuePairs(elem, FEATURE_Q).entrySet()) {
        String value = entry.getValue();
        boolean isFeatureEnabled;
        if ("true".equals(value)) {
            isFeatureEnabled = true;
        } else if ("false".equals(value)) {
            isFeatureEnabled = false;
        } else {
            handleException("The feature must have value true or false");
            break;
        }
        transformMediator.addFeature(entry.getKey(), isFeatureEnabled);
    }
    for (Map.Entry<String, String> entry : collectNameValuePairs(elem, ATTRIBUTE_Q).entrySet()) {
        transformMediator.addAttribute(entry.getKey(), entry.getValue());
    }
    transformMediator.addAllProperties(MediatorPropertyFactory.getMediatorProperties(elem));
    transformMediator.setResourceMap(ResourceMapFactory.createResourceMap(elem));
    return transformMediator;
}

Example 17 with Value

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

the class SequenceMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    SequenceMediator seqMediator = new SequenceMediator();
    OMAttribute n = elem.getAttribute(ATT_NAME);
    OMAttribute e = elem.getAttribute(ATT_ONERROR);
    if (n != null) {
        seqMediator.setName(n.getAttributeValue());
        if (e != null) {
            seqMediator.setErrorHandler(e.getAttributeValue());
        }
        processAuditStatus(seqMediator, elem);
        addChildren(elem, seqMediator, properties);
    } else {
        n = elem.getAttribute(ATT_KEY);
        if (n != null) {
            // ValueFactory for creating dynamic or static Value
            ValueFactory keyFac = new ValueFactory();
            // create dynamic or static key based on OMElement
            Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, elem);
            // setKey
            seqMediator.setKey(generatedKey);
            if (e != null) {
                String msg = "A sequence mediator with a reference to another " + "sequence can not have 'ErrorHandler'";
                log.error(msg);
                throw new SynapseException(msg);
            }
        } else {
            String msg = "A sequence mediator should be a named sequence or a reference " + "to another sequence (i.e. a name attribute or key attribute is required)";
            log.error(msg);
            throw new SynapseException(msg);
        }
    }
    return seqMediator;
}

Example 18 with Value

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

the class RecipientListEndpointFactory method createEndpoint.

@Override
protected Endpoint createEndpoint(OMElement epConfig, boolean anonymousEndpoint, Properties properties) {
    OMElement recipientListElement = epConfig.getFirstChildWithName(new QName(SynapseConstants.SYNAPSE_NAMESPACE, "recipientlist"));
    if (recipientListElement != null) {
        // create endpoint
        RecipientListEndpoint recipientListEndpoint = new RecipientListEndpoint();
        // set endpoint name
        OMAttribute name = epConfig.getAttribute(new QName(org.apache.synapse.config.xml.XMLConfigConstants.NULL_NAMESPACE, "name"));
        if (name != null) {
            recipientListEndpoint.setName(name.getAttributeValue());
        }
        // set endpoints or members
        if (recipientListElement.getFirstChildWithName(XMLConfigConstants.ENDPOINT_ELT) != null) {
            if (recipientListElement.getChildrenWithName((MEMBER)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Endpoint> endpoints = getEndpoints(recipientListElement, recipientListEndpoint, properties);
            recipientListEndpoint.setChildren(endpoints);
        } else if (recipientListElement.getFirstChildWithName(MEMBER) != null) {
            if (recipientListElement.getChildrenWithName((XMLConfigConstants.ENDPOINT_ELT)).hasNext()) {
                String msg = "Invalid Synapse configuration. " + "recipientListElement element cannot have both member & endpoint " + "child elements";
                log.error(msg);
                throw new SynapseException(msg);
            }
            List<Member> members = getMembers(recipientListElement);
            recipientListEndpoint.setMembers(members);
        } else if (recipientListElement.getFirstChildWithName(DYNAMIC_SET) != null) {
            OMElement dynamicSetElement = recipientListElement.getFirstChildWithName(DYNAMIC_SET);
            Value dynamicEndpointSet = new ValueFactory().createValue("value", dynamicSetElement);
            String maxStr = dynamicSetElement.getAttributeValue(new QName("max-cache"));
            int maxCache = -1;
            try {
                maxCache = Integer.parseInt(maxStr);
            } catch (NumberFormatException e) {
            }
            recipientListEndpoint = new RecipientListEndpoint(maxCache < 0 ? RecipientListEndpoint.DEFAULT_MAX_POOL : maxCache);
            if (name != null) {
                recipientListEndpoint.setName(name.getAttributeValue());
            }
            recipientListEndpoint.setDynamicEnpointSet(dynamicEndpointSet);
        }
        if (recipientListEndpoint.getChildren() == null && recipientListEndpoint.getMembers() == null && recipientListEndpoint.getDynamicEnpointSet() == null) {
            String msg = "Invalid Synapse configuration.\n" + "A RecipientListEndpoint must have child/member elements, but the RecipientListEndpoint " + "'" + recipientListEndpoint.getName() + "' does not have any child/member/dynamic endpoint elements.";
            log.error(msg);
            throw new SynapseException(msg);
        }
        // process the parameters
        processProperties(recipientListEndpoint, epConfig);
        return recipientListEndpoint;
    }
    return null;
}

Example 19 with Value

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

the class PayloadFactoryMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    PayloadFactoryMediator payloadFactoryMediator = new PayloadFactoryMediator();
    processAuditStatus(payloadFactoryMediator, elem);
    String mediaTypeValue = elem.getAttributeValue(TYPE_Q);
    // for the backward compatibility.
    if (mediaTypeValue != null) {
        // set the mediaType for the PF
        payloadFactoryMediator.setType(mediaTypeValue);
    } else {
        payloadFactoryMediator.setType(XML_TYPE);
    }
    OMElement formatElem = elem.getFirstChildWithName(FORMAT_Q);
    if (formatElem != null) {
        OMAttribute n = formatElem.getAttribute(ATT_KEY);
        if (n == null) {
            // OMElement copy = formatElem.getFirstElement().cloneOMElement();
            OMElement copy = formatElem.cloneOMElement();
            removeIndentations(copy);
            if (mediaTypeValue != null && (mediaTypeValue.contains(JSON_TYPE) || mediaTypeValue.contains(TEXT_TYPE))) {
                payloadFactoryMediator.setFormat(copy.getText());
            } else {
                payloadFactoryMediator.setFormat(copy.getFirstElement().toString());
            }
        } else {
            ValueFactory keyFac = new ValueFactory();
            Value generatedKey = keyFac.createValue(XMLConfigConstants.KEY, formatElem);
            payloadFactoryMediator.setFormatKey(generatedKey);
            payloadFactoryMediator.setFormatDynamic(true);
        }
    } else {
        handleException("format element of payloadFactoryMediator is required");
    }
    OMElement argumentsElem = elem.getFirstChildWithName(ARGS_Q);
    if (argumentsElem != null) {
        Iterator itr = argumentsElem.getChildElements();
        while (itr.hasNext()) {
            OMElement argElem = (OMElement) itr.next();
            Argument arg = new Argument();
            String value;
            boolean isLiteral = false;
            String isLiteralString = argElem.getAttributeValue(ATT_LITERAL);
            if (isLiteralString != null) {
                // if literal is 'true' then set literal to true. defaults to false.
                isLiteral = Boolean.parseBoolean(isLiteralString);
            }
            arg.setLiteral(isLiteral);
            if ((value = argElem.getAttributeValue(ATT_VALUE)) != null) {
                arg.setValue(value);
                arg.setExpression(null);
                payloadFactoryMediator.addPathArgument(arg);
            } else if ((value = argElem.getAttributeValue(ATT_EXPRN)) != null) {
                if (value.trim().length() == 0) {
                    handleException("Attribute value for xpath cannot be empty");
                } else {
                    try {
                        // set the evaluator
                        String evaluator = argElem.getAttributeValue(ATT_EVAL);
                        if (evaluator != null && evaluator.equals(JSON_TYPE)) {
                            if (value.startsWith("json-eval(")) {
                                value = value.substring(10, value.length() - 1);
                            }
                            arg.setExpression(SynapseJsonPathFactory.getSynapseJsonPath(value));
                            // we have to explicitly define the path type since we are not going to mark
                            // JSON Path's with prefix "json-eval(".
                            arg.getExpression().setPathType(SynapsePath.JSON_PATH);
                            payloadFactoryMediator.addPathArgument(arg);
                        } else {
                            SynapseXPath sxp = SynapseXPathFactory.getSynapseXPath(argElem, ATT_EXPRN);
                            // we need to disable stream Xpath forcefully
                            sxp.setForceDisableStreamXpath(Boolean.TRUE);
                            arg.setExpression(sxp);
                            arg.getExpression().setPathType(SynapsePath.X_PATH);
                            payloadFactoryMediator.addPathArgument(arg);
                        }
                    } catch (JaxenException e) {
                        handleException("Invalid XPath expression for attribute expression : " + value, e);
                    }
                }
            } else {
                handleException("Unsupported arg type. value or expression attribute required");
            }
        }
    }
    return payloadFactoryMediator;
}

Example 20 with Value

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

the class SendMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    SendMediator sm = new SendMediator();
    // after successfully creating the mediator
    // set its common attributes such as tracing etc
    processAuditStatus(sm, elem);
    OMElement epElement = elem.getFirstChildWithName(ENDPOINT_Q);
    if (epElement != null) {
        // create the endpoint and set it in the send mediator
        Endpoint endpoint = EndpointFactory.getEndpointFromElement(epElement, true, properties);
        if (endpoint != null) {
            sm.setEndpoint(endpoint);
        }
    }
    String receivingSequence = elem.getAttributeValue(RECEIVING_SEQUENCE);
    if (receivingSequence != null) {
        ValueFactory valueFactory = new ValueFactory();
        Value value = valueFactory.createValue(XMLConfigConstants.RECEIVE, elem);
        sm.setReceivingSequence(value);
    }
    String buildMessage = elem.getAttributeValue(BUILD_MESSAGE);
    if ("true".equals(buildMessage)) {
        sm.setBuildMessage(true);
    }
    return sm;
}