Examples of org.apache.commons.scxml2.io.SCXMLWriter$Configuration

org.apache.commons.scxml2.SCXMLExpressionException
Configuration for the {@link SCXMLWriter}. The configuration properties necessary for the following are covered:
- {@link XMLOutputFactory} configuration properties such as factoryId or any properties
- {@link XMLStreamWriter} configuration properties such as target {@link Writer} or {@link OutputStream}and the encoding

     * {@inheritDoc}
     */
    @Override
    public Set<Entry<String, Object>> entrySet() {
        Set<Entry<String, Object>> entrySet = new HashSet<Entry<String, Object>>();
        Context current = leaf;
        while (current != null) {
            entrySet.addAll(current.getVars().entrySet());
            current = current.getParent();
        }
        return entrySet;
    }

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     * {@inheritDoc}
     */
    @Override
    public Object get(final Object key) {
        if (key != null) {
            Context current = leaf;
            while (current != null) {
                if (current.getVars().containsKey(key.toString())) {
                    return current.getVars().get(key);
                }
                current = current.getParent();
            }
        }
        return null;
    }

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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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        } catch (IOException ioe) {
            throw new InvokerException(ioe.getMessage(), ioe.getCause());
        } catch (XMLStreamException xse) {
            throw new InvokerException(xse.getMessage(), xse.getCause());
        }
        executor = new SCXMLExecutor(evaluator, new SimpleDispatcher(), new SimpleErrorReporter());
        Context rootCtx = evaluator.newContext(null);
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            rootCtx.setLocal(entry.getKey(), entry.getValue());
        }
        executor.setRootContext(rootCtx);

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     * @param rootCtx The root context
     * @param evaluator The expression evaluator
     */
    private void initialize(final SCXML stateMachine,
            final Context rootCtx, final Evaluator evaluator) throws ModelException {
        engine = new SCXMLExecutor(evaluator, new SimpleDispatcher(),
            new SimpleErrorReporter());
        engine.setStateMachine(stateMachine);
        engine.setRootContext(rootCtx);
        engine.addListener(stateMachine, new EntryListener());
        try {

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        if (expr == null) {
            return null;
        }


        if (!(ctx instanceof GroovyContext)) {
            throw new SCXMLExpressionException(ERR_CTX_TYPE);
        }


        GroovyContext groovyCtx = (GroovyContext) ctx;
        if (groovyCtx.getGroovyEvaluator() == null) {
            groovyCtx.setGroovyEvaluator(this);
        }
        try {
            return getScript(getEffectiveContext(groovyCtx), groovyCtx.getScriptBaseClass(), expr).run();
        } catch (Exception e) {
            String exMessage = e.getMessage() != null ? e.getMessage() : e.getClass().getCanonicalName();
            throw new SCXMLExpressionException("eval('" + expr + "'): " + exMessage, e);
        }
    }

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        if (expr == null) {
            return null;
        }


        if (!(ctx instanceof GroovyContext)) {
            throw new SCXMLExpressionException(ERR_CTX_TYPE);
        }


        GroovyContext groovyCtx = (GroovyContext) ctx;
        if (groovyCtx.getGroovyEvaluator() == null) {
            groovyCtx.setGroovyEvaluator(this);
        }
        try {
            return (Boolean)getScript(getEffectiveContext(groovyCtx), groovyCtx.getScriptBaseClass(), expr).run();
        } catch (Exception e) {
            String exMessage = e.getMessage() != null ? e.getMessage() : e.getClass().getCanonicalName();
            throw new SCXMLExpressionException("evalCond('" + expr + "'): " + exMessage, e);
        }
    }

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        if (expr == null) {
            return null;
        }


        if (!(ctx instanceof GroovyContext)) {
            throw new SCXMLExpressionException(ERR_CTX_TYPE);
        }


        GroovyContext groovyCtx = (GroovyContext) ctx;
        if (groovyCtx.getGroovyEvaluator() == null) {
            groovyCtx.setGroovyEvaluator(this);
        }
        try {
            final GroovyContext effective = getEffectiveContext(groovyCtx);
            effective.setEvaluatingLocation(true);
            return (Node)getScript(effective, groovyCtx.getScriptBaseClass(), expr).run();
        } catch (Exception e) {
            String exMessage = e.getMessage() != null ? e.getMessage() : e.getClass().getCanonicalName();
            throw new SCXMLExpressionException("evalLocation('" + expr + "'): " + exMessage, e);
        }
    }

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        if (scriptSource == null) {
            return null;
        }


        if (!(ctx instanceof GroovyContext)) {
            throw new SCXMLExpressionException(ERR_CTX_TYPE);
        }


        GroovyContext groovyCtx = (GroovyContext) ctx;
        if (groovyCtx.getGroovyEvaluator() == null) {
            groovyCtx.setGroovyEvaluator(this);
        }
        try {
            final GroovyContext effective = getEffectiveContext(groovyCtx);
            effective.setEvaluatingLocation(true);
            boolean inGlobalContext = groovyCtx.getParent() instanceof SCXMLSystemContext;
            Script script = getScript(effective, groovyCtx.getScriptBaseClass(), scriptSource);
            Object result = script.run();
            if (inGlobalContext && useInitialScriptAsBaseScript) {
                groovyCtx.setScriptBaseClass(script.getClass().getName());
            }
            return result;
        } catch (Exception e) {
            String exMessage = e.getMessage() != null ? e.getMessage() : e.getClass().getCanonicalName();
            throw new SCXMLExpressionException("evalScript('" + scriptSource + "'): " + exMessage, e);
        }
    }

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        }
        JexlContext jexlCtx = null;
        if (ctx instanceof JexlContext) {
            jexlCtx = (JexlContext) ctx;
        } else {
            throw new SCXMLExpressionException(ERR_CTX_TYPE);
        }
        Expression exp = null;
        try {
            final JexlContext effective = getEffectiveContext(jexlCtx);
            exp = getJexlEngine().createExpression(expr);
            return exp.evaluate(effective);
        } catch (Exception e) {
            String exMessage = e.getMessage() != null ? e.getMessage() : e.getClass().getCanonicalName();
            throw new SCXMLExpressionException("eval('" + expr + "'): " + exMessage, e);
        }
    }

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