Examples with XMLHelper org.apache.bsf.xml.XMLHelper used on opensource projects

Example 1 with XMLHelper

use of org.apache.bsf.xml.XMLHelper in project wso2-synapse by wso2.

the class ScriptMediator method mediateWithExternalScript.

/**
 * Mediation implementation when the script to be executed should be loaded from the registry
 *
 * @param synCtx the message context
 * @return script result
 * @throws ScriptException       For any errors , when compile, run the script
 * @throws NoSuchMethodException If the function is not defined in the script
 */
private Object mediateWithExternalScript(MessageContext synCtx) throws ScriptException, NoSuchMethodException {
    ScriptEngineWrapper sew = null;
    Object obj;
    try {
        sew = prepareExternalScript(synCtx);
        XMLHelper helper;
        if (language.equalsIgnoreCase(JAVA_SCRIPT) || language.equals(NASHORN_JAVA_SCRIPT)) {
            helper = xmlHelper;
        } else {
            helper = XMLHelper.getArgHelper(sew.getEngine());
        }
        ScriptMessageContext scriptMC;
        scriptMC = getScriptMessageContext(synCtx, helper);
        processJSONPayload(synCtx, scriptMC);
        Invocable invocableScript = (Invocable) sew.getEngine();
        obj = invocableScript.invokeFunction(function, new Object[] { scriptMC });
    } finally {
        if (sew != null) {
            // return engine to front of queue or drop if queue is full (i.e. if getNewScriptEngine() spawns a new engine)
            pool.offer(sew);
        }
    }
    return obj;
}