Example usage for org.apache.commons.scxml.env SimpleSCXMLListener SimpleSCXMLListener

Introduction

In this page you can find the example usage for org.apache.commons.scxml.env SimpleSCXMLListener SimpleSCXMLListener.

Prototype

SimpleSCXMLListener

Source Link

Usage

From source file:com.korwe.thecore.scxml.ScxmlMessageProcessor.java

@Override
public void initialize(String sessionId) {
    super.initialize(sessionId);
    try {//from   w w  w  . j av a 2 s. c  o  m
        String scxmlPath = CoreConfig.getInstance().getProperty("scxml_path");
        if (LOG.isDebugEnabled()) {
            LOG.debug("SCXML path = " + scxmlPath);
        }
        File scfile = new File(scxmlPath);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Absolute path: [" + scfile.getAbsolutePath() + "]");
        }

        InputSource source = new InputSource(new BufferedReader(new FileReader(scxmlPath)));

        scxml = SCXMLParser.parse(source, new SimpleErrorHandler());
        exec = new SCXMLExecutor(new JexlEvaluator(), new SimpleDispatcher(), new SimpleErrorReporter());
        exec.setStateMachine(scxml);
        exec.addListener(scxml, new SimpleSCXMLListener());
        exec.registerInvokerClass("x-coremessage", SendCoreMessageInvoker.class);

        Context context = new JexlContext();
        context.set("sessionId", sessionId);
        context.set("lastMsg", null);
        exec.setRootContext(context);

        exec.go();

    } catch (Exception e) {
        LOG.error("Failed to parse SCXML", e);
    }
}

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From source file:com.headstrong.fusion.statemachine.SCXMLStateMachine.java

/**
 * Initializes the state machine.//from  ww  w.j a v  a2 s  .  co m
 * 
 * @throws StateMachineException
 */
public void init() throws StateMachineException {
    // Create a list of custom actions, add as many as are needed
    // currently only one custom action is exposed which internally would
    // execute action service registered by the component.
    // Need to take care of the parsing part.
    SCXML scxml = null;
    URL url = null;
    File tempConfigFile = null;
    try {
        tempConfigFile = this.persistConfiguration(this.definition);
        url = tempConfigFile.toURI().toURL();
    } catch (MalformedURLException e) {
        logger.error(
                "Error persisting the configuration in temp file for state machine id " + this.getId() + ".",
                e);
        throw new StateMachineException(
                "Error creating the state machine for state machine id " + this.getId() + ".", e);
    } catch (IOException e) {
        logger.error(
                "Error persisting the configuration in temp file for state machine id " + this.getId() + ".",
                e);
        throw new StateMachineException(
                "Error creating the state machine for state machine id " + this.getId() + ".", e);
    }
    try {
        Digester scxmlParser = SCXMLParser.newInstance(null, new URLResolver(url), getCustomActions());
        scxmlParser.addObjectCreate("*/" + CUSTOM_ACTION_SERVICE + "/properties", HashMap.class);
        scxmlParser.addSetNext("*/" + CUSTOM_ACTION_SERVICE + "/properties", "setProperties");

        // call the put method on the top object on the digester stack
        // passing the key attribute as the 0th parameter
        // and the element body text as the 1th parameter..
        scxmlParser.addCallMethod("*/" + CUSTOM_ACTION_SERVICE + "/properties/property", "put", 2);
        scxmlParser.addCallParam("*/" + CUSTOM_ACTION_SERVICE + "/properties/property", 0, "name");
        scxmlParser.addCallParam("*/" + CUSTOM_ACTION_SERVICE + "/properties/property", 1, "value");

        scxmlParser.setErrorHandler(new SimpleErrorHandler());

        scxml = (SCXML) scxmlParser.parse(url.toString());
        SCXMLParser.updateSCXML(scxml);
    } catch (IOException e) {
        logger.error(
                "Error persisting the configuration in temp file for state machine id " + this.getId() + ".");
        throw new StateMachineException(
                "Error creating the state machine for state machine id " + this.getId() + ".", e);
    } catch (SAXException e) {
        logger.error("Error parsing the configuration for state machine id " + this.getId() + ".");
        throw new StateMachineException(
                "Error creating the state machine for state machine id " + this.getId() + ".", e);
    } catch (ModelException e) {
        logger.error("Error persisting the configuration for state machine id " + this.getId() + ".");
        throw new StateMachineException(
                "Error creating the state machine for state machine id " + this.getId() + ".", e);
    }
    // Once done remove the file.
    tempConfigFile.delete();
    // initialize the executor.
    scxmlExecutor = new SCXMLExecutor();
    scxmlExecutor.setStateMachine(scxml);
    scxmlExecutor.setEvaluator(this.getEvaluator());
    scxmlExecutor.setErrorReporter(this.getErrorReporter());
    scxmlExecutor.setEventdispatcher(this.getEventDispatcher(scxmlExecutor));
    scxmlExecutor.addListener(scxml, new SimpleSCXMLListener());
    scxmlExecutor.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
    scxmlExecutor.setRootContext(scxmlExecutor.getEvaluator().newContext(null));
}

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