Package org.apache.commons.scxml2.env

Examples of org.apache.commons.scxml2.env.SimpleSCXMLListener

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                                      final InputStream scxmlStream, final Reader scxmlReader, final Source scxmlSource)
            throws IOException, ModelException, XMLStreamException {

        if (configuration.pathResolver == null) {
            if (scxmlURL != null) {
                configuration.pathResolver = new URLResolver(scxmlURL);
            } else if (scxmlPath != null) {
                configuration.pathResolver = new URLResolver(new URL(scxmlPath));
            }
        }

        XMLStreamReader reader = getReader(configuration, scxmlURL, scxmlPath, scxmlStream, scxmlReader, scxmlSource);
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     *                      describes the "lifecycle" of the
     *                      instances of this class.
     */
    public AbstractStateMachine(final URL scxmlDocument) throws ModelException {
        // default is JEXL
        this(scxmlDocument, new JexlContext(), new JexlEvaluator());
    }
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     *
     * @since 0.7
     */
    public AbstractStateMachine(final SCXML stateMachine) throws ModelException {
        // default is JEXL
        this(stateMachine, new JexlContext(), new JexlEvaluator());
    }
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            System.out.println("USAGE: java "
                    + StandaloneJexlExpressions.class.getName()
                    + "<url|filename>");
            System.exit(-1);
        }
        Evaluator evaluator = new JexlEvaluator();
        StandaloneUtils.execute(args[0], evaluator);
    }
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     *                      describes the &quot;lifecycle&quot; of the
     *                      instances of this class.
     */
    public AbstractStateMachine(final URL scxmlDocument) throws ModelException {
        // default is JEXL
        this(scxmlDocument, new JexlContext(), new JexlEvaluator());
    }
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     *
     * @since 0.7
     */
    public AbstractStateMachine(final SCXML stateMachine) throws ModelException {
        // default is JEXL
        this(stateMachine, new JexlContext(), new JexlEvaluator());
    }
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                String source = src;
                PathResolver pr = i.getPathResolver();
                if (pr != null) {
                    source = i.getPathResolver().resolvePath(src);
                }
                Invoker inv;
                try {
                    inv = exctx.newInvoker(i.getType());
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    continue;
                }
                List<Param> params = i.params();
                Map<String, Object> args = new HashMap<String, Object>();
                for (Param p : params) {
                    String argExpr = p.getExpr();
                    Object argValue = null;
                    context.setLocal(Context.NAMESPACES_KEY, p.getNamespaces());
                    // Do we have an "expr" attribute?
                    if (argExpr != null && argExpr.trim().length() > 0) {
                        try {
                            argValue = eval.eval(context, argExpr);
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    } else {
                        // No. Does value of "name" attribute refer to a valid
                        // location in the data model?
                        try {
                            argValue = eval.evalLocation(context, p.getName());
                            if (argValue == null) {
                                // Generate error, 4.3.1 in WD-scxml-20080516
                                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(ts.getId() + ERR_ILLEGAL_ALLOC, TriggerEvent.ERROR_EVENT));
                            }
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    }
                    context.setLocal(Context.NAMESPACES_KEY, null);
                    args.put(p.getName(), argValue);
                }
                String invokeId = exctx.setInvoker(i, inv);
                inv.setInvokeId(invokeId);
                inv.setParentIOProcessor(exctx.getExternalIOProcessor());
                inv.setEvaluator(exctx.getEvaluator());
                try {
                    inv.invoke(source, args);
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    exctx.removeInvoker(i);
                }
            }
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     */
    public void processInvokes(final SCXMLExecutionContext exctx, final TriggerEvent event) throws ModelException {
        for (Map.Entry<Invoke, String> entry : exctx.getInvokeIds().entrySet()) {
            if (!isInvokerEvent(entry.getValue(), event)) {
                if (entry.getKey().isAutoForward()) {
                    Invoker inv = exctx.getInvoker(entry.getKey());
                    try {
                        inv.parentEvent(event);
                    } catch (InvokerException ie) {
                        exctx.getAppLog().error(ie.getMessage(), ie);
                        throw new ModelException(ie.getMessage(), ie.getCause());
                    }
                }
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     * @throws InvokerException When a suitable {@link Invoker} cannot be instantiated.
     */
    public Invoker newInvoker(final String type) throws InvokerException {
        Class<? extends Invoker> invokerClass = invokerClasses.get(type);
        if (invokerClass == null) {
            throw new InvokerException("No Invoker registered for type \"" + type + "\"");
        }
        try {
            return invokerClass.newInstance();
        } catch (InstantiationException ie) {
            throw new InvokerException(ie.getMessage(), ie.getCause());
        } catch (IllegalAccessException iae) {
            throw new InvokerException(iae.getMessage(), iae.getCause());
        }
    }
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        if (!(actionObject instanceof Action)) {
            throw new IllegalArgumentException(ERR_CUSTOM_ACTION_TYPE + className);
        }

        // Set the attribute values as properties
        Action action = (Action) actionObject;
        for (int i = 0; i < reader.getAttributeCount(); i++) {
            String name = reader.getAttributeLocalName(i);
            String value = reader.getAttributeValue(i);
            String setter = "set" + name.substring(0, 1).toUpperCase() + name.substring(1);
            Method method = null;
            try {
                method = clazz.getMethod(setter, String.class);
                method.invoke(action, value);
            } catch (NoSuchMethodException nsme) {
                throw new XMLStreamException("No setter in class:" + className + ", for string property:" + name,
                        nsme);
            } catch (InvocationTargetException ite) {
                throw new XMLStreamException("Exception calling setter for string property:" + name + " in class:"
                        + className, ite);
            } catch (IllegalAccessException iae) {
                throw new XMLStreamException("Cannot access setter for string property:" + name + " in class:"
                        + className, iae);
            }
        }

        // Add any body content if necessary
        if (action instanceof ExternalContent) {
            Node body = readNode(reader, configuration, customAction.getNamespaceURI(),
                    customAction.getLocalName(), new String [] {});
            NodeList childNodes = body.getChildNodes();
            List<Node> externalNodes = ((ExternalContent) action).getExternalNodes();
            for (int i = 0; i < childNodes.getLength(); i++) {
                externalNodes.add(childNodes.item(i));
            }
        }

        // Wire in the action and add to parent
        readNamespaces(configuration, action);
        action.setParent(executable);
        if (parent != null) {
            parent.addAction(action);
        } else {
            executable.addAction(action);
        }
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Related Classes of org.apache.commons.scxml2.env.SimpleSCXMLListener

  • groovy.lang.Script
  • org.apache.commons.jexl2.Expression
  • org.apache.commons.jexl2.JexlEngine
  • org.apache.commons.logging.Log
  • org.apache.commons.scxml2.Context
  • org.apache.commons.scxml2.env.AbstractStateMachine
  • org.apache.commons.scxml2.env.EffectiveContextMap
  • org.apache.commons.scxml2.env.groovy.GroovyEvaluator
  • org.apache.commons.scxml2.env.javascript.JSEvaluator
  • org.apache.commons.scxml2.env.jexl.JexlContext
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