Examples with SynapseXPath org.apache.synapse.util.xpath.SynapseXPath used on opensource projects

Example 31 with SynapseXPath

use of org.apache.synapse.util.xpath.SynapseXPath in project wso2-synapse by wso2.

the class MessageStoreSerializer method getParameter.

/**
 * Will get the parameter OMElement.
 *
 * @param messageStore the message store definition metadata.
 * @param name         the parameter key.
 * @return the parameter OMElement.
 */
private static OMElement getParameter(MessageStore messageStore, String name) {
    Object paramValue = messageStore.getParameters().get(name);
    OMElement property = null;
    if (paramValue instanceof String) {
        String value = (String) paramValue;
        property = fac.createOMElement("parameter", synNS);
        property.addAttribute(fac.createOMAttribute("name", nullNS, name));
        property.setText(value.trim());
    } else if (paramValue instanceof SynapseXPath) {
        SynapseXPath value = (SynapseXPath) paramValue;
        String expression = value.getExpression();
        Map namespaces = value.getNamespaces();
        property = fac.createOMElement("parameter", synNS);
        property.addAttribute(fac.createOMAttribute("name", nullNS, name));
        property.addAttribute(fac.createOMAttribute("expression", nullNS, expression));
        Set<Map.Entry<String, String>> nameSpaceAttributes = namespaces.entrySet();
        for (Map.Entry<String, String> nameSpaceElement : nameSpaceAttributes) {
            String prefix = nameSpaceElement.getKey();
            String uri = nameSpaceElement.getValue();
            property.declareNamespace(uri, prefix);
        }
    }
    return property;
}

Example 32 with SynapseXPath

use of org.apache.synapse.util.xpath.SynapseXPath in project wso2-synapse by wso2.

the class SynapsePathFactory method getSynapsePath.

public static SynapsePath getSynapsePath(OMElement elem, String expression) throws JaxenException {
    if (expression == null) {
        handleException("XPath expression cannot be null");
    }
    SynapseXPath xpath = new SynapseXPath(expression);
    OMElementUtils.addNameSpaces(xpath, elem, log);
    return xpath;
}

Example 33 with SynapseXPath

use of org.apache.synapse.util.xpath.SynapseXPath in project wso2-synapse by wso2.

the class SynapseXPathFactory method getSynapseXPath.

public static SynapseXPath getSynapseXPath(OMElement elem, QName attribName) throws JaxenException {
    SynapseXPath xpath = null;
    OMAttribute xpathAttrib = elem.getAttribute(attribName);
    if (xpathAttrib != null && xpathAttrib.getAttributeValue() != null) {
        try {
            xpath = new SynapseXPath(xpathAttrib.getAttributeValue());
        } catch (org.jaxen.XPathSyntaxException ex) {
            /* Try and see whether the expression can be compiled with XPath 2.0
                     * This will only be done if the failover DOM XPath 2.0 is enabled */
            if (Boolean.parseBoolean(SynapsePropertiesLoader.loadSynapseProperties().getProperty(SynapseConstants.FAIL_OVER_DOM_XPATH_PROCESSING))) {
                if (log.isDebugEnabled()) {
                    log.debug("Trying to compile the expression in XPath 2.0:" + xpathAttrib.getAttributeValue());
                }
                xpath = new SynapseXPath(xpathAttrib.getAttributeValue(), elem);
            } else {
                throw ex;
            }
        }
        OMElementUtils.addNameSpaces(xpath, elem, log);
        xpath.addNamespacesForFallbackProcessing(elem);
    } else {
        handleException("Couldn't find the XPath attribute with the QName : " + attribName.toString() + " in the element : " + elem.toString());
    }
    return xpath;
}

Example 34 with SynapseXPath

use of org.apache.synapse.util.xpath.SynapseXPath in project wso2-synapse by wso2.

the class POJOCommandMediatorFactory method handlePropertyAction.

private void handlePropertyAction(String name, OMElement propElem, POJOCommandMediator m) {
    OMAttribute valueAttr = propElem.getAttribute(ATT_VALUE);
    OMAttribute exprAttr = propElem.getAttribute(ATT_EXPRN);
    OMAttribute ctxNameAttr = propElem.getAttribute(ATT_CTXNAME);
    OMAttribute actionAttr = propElem.getAttribute(ATT_ACTION);
    SynapseXPath xpath = null;
    try {
        if (exprAttr != null) {
            xpath = SynapseXPathFactory.getSynapseXPath(propElem, ATT_EXPRN);
        }
    } catch (JaxenException e) {
        handleException("Error in building the expression as an SynapseXPath" + e);
    }
    // if there is a value attribute there is no action (action is implied as read value)
    if (valueAttr != null) {
        String value = valueAttr.getAttributeValue();
        // all other three attributes can not co-exists
        if (exprAttr != null && ctxNameAttr != null) {
            handleException("Command properties can not contain all three 'value', " + "'expression' and 'context-name' attributes. Only one or " + "combination of two can be there.");
        } else {
            m.addStaticSetterProperty(name, value);
            if (exprAttr != null) {
                // action ==> ReadValueAndUpdateMesssage
                m.addMessageGetterProperty(name, xpath);
            } else if (ctxNameAttr != null) {
                // action ==> ReadValueAndUpdateContext
                m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
            }
        // else the action ==> ReadValue
        }
    } else if (propElem.getFirstElement() != null) {
        // all other two attributes can not co-exists
        if (exprAttr != null && ctxNameAttr != null) {
            handleException("Command properties can not contain all the " + "'expression' and 'context-name' attributes with a child. Only one " + "attribute of those can co-exists with a child");
        } else {
            m.addStaticSetterProperty(name, propElem.getFirstElement());
            if (exprAttr != null) {
                // action ==> ReadValueAndUpdateMesssage
                m.addMessageGetterProperty(name, xpath);
            } else if (ctxNameAttr != null) {
                // action ==> ReadValueAndUpdateContext
                m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
            }
        // else the action ==> ReadValue
        }
    } else {
        // if both context-name and expression is there
        if (exprAttr != null && ctxNameAttr != null) {
            if (actionAttr != null && actionAttr.getAttributeValue() != null) {
                String action = actionAttr.getAttributeValue();
                if (RM_ACTION.equals(action) || UC_ACTION.equals(action)) {
                    // action ==> ReadMessageAndUpdateContext
                    m.addMessageSetterProperty(name, xpath);
                    m.addContextGetterProperty(name, ctxNameAttr.getAttributeValue());
                } else if (RC_ACTION.equals(action) || UM_ACTION.equals(action)) {
                    // action ==> ReadContextAndUpdateMessage
                    m.addContextSetterProperty(name, ctxNameAttr.getAttributeValue());
                    m.addMessageGetterProperty(name, xpath);
                } else {
                    handleException("Invalid action for " + "the command property with the name " + name);
                }
            } else {
                handleException("Action attribute " + "is required for the command property with name " + name);
            }
        } else {
            // only one of expression or context-name is present
            if (actionAttr != null && actionAttr.getAttributeValue() != null) {
                String action = actionAttr.getAttributeValue();
                if (exprAttr != null) {
                    if (RM_ACTION.equals(action)) {
                        // action ==> ReadMessage
                        m.addMessageSetterProperty(name, xpath);
                    } else if (UM_ACTION.equals(action)) {
                        // action ==> UpdateMessage
                        m.addMessageGetterProperty(name, xpath);
                    } else if (RAUM_ACTION.equals(action)) {
                        // action ==> ReadAndUpdateMessage
                        m.addMessageSetterProperty(name, xpath);
                        m.addMessageGetterProperty(name, xpath);
                    } else {
                        handleException("Invalid action for " + "the command property with the name " + name);
                    }
                } else if (ctxNameAttr != null) {
                    String ctxName = ctxNameAttr.getAttributeValue();
                    if (RC_ACTION.equals(action)) {
                        // action ==> ReadContext
                        m.addContextSetterProperty(name, ctxName);
                    } else if (UC_ACTION.equals(action)) {
                        // action ==> UpdateContext
                        m.addContextGetterProperty(name, ctxName);
                    } else if (RAUC_ACTION.equals(action)) {
                        // action ==> ReadAndUpdateContext
                        m.addContextSetterProperty(name, ctxName);
                        m.addContextGetterProperty(name, ctxName);
                    } else {
                        handleException("Invalid action for " + "the command property with the name " + name);
                    }
                } else {
                    handleException("Unrecognized command property with the name " + name);
                }
            } else {
                // action ==> ReadAndUpdateMessage/Context
                if (exprAttr != null) {
                    m.addMessageSetterProperty(name, xpath);
                    m.addMessageGetterProperty(name, xpath);
                } else if (ctxNameAttr != null) {
                    String ctxName = ctxNameAttr.getAttributeValue();
                    m.addContextSetterProperty(name, ctxName);
                    m.addContextGetterProperty(name, ctxName);
                } else {
                    handleException("Unrecognized command property with the name " + name);
                }
            }
        }
    }
}

Example 35 with SynapseXPath

use of org.apache.synapse.util.xpath.SynapseXPath in project wso2-synapse by wso2.

the class ValueFactory method createSynXpath.

/**
 * Create synapse xpath expression
 * {} type user input is used to create real xpath expression
 *
 * @param elem the element
 * @param key xpath expression with {}
 * @return SynapseXpath
 */
public SynapseXPath createSynXpath(OMElement elem, String key) {
    // derive XPath Expression from key
    String xpathExpr = key.trim().substring(1, key.length() - 1);
    SynapseXPath synapseXPath = null;
    try {
        synapseXPath = SynapseXPathFactory.getSynapseXPath(elem, xpathExpr);
    } catch (JaxenException e) {
        handleException("Can not create Synapse Xpath from given key");
    }
    return synapseXPath;
}