Examples of org.apache.commons.jexl2.internal.AbstractExecutor$Method$Parameter

Package org.apache.commons.jexl2.internal

Examples of org.apache.commons.jexl2.internal.AbstractExecutor$Method$Parameter

org.apache.commons.jexl2.junit.Asserter
A helper class to pass the method & parameters.

        try {
            // attempt to reuse last executor cached in volatile JexlNode.value
            if (cache) {
                Object cached = node.jjtGetValue();
                if (cached instanceof JexlMethod) {
                    JexlMethod me = (JexlMethod) cached;
                    Object eval = me.tryInvoke(methodName, data, argv);
                    if (!me.tryFailed(eval)) {
                        return eval;
                    }
                }
            }
            JexlMethod vm = uberspect.getMethod(data, methodName, argv, node);
            // DG: If we can't find an exact match, narrow the parameters and try again!
            if (vm == null) {
                if (arithmetic.narrowArguments(argv)) {
                    vm = uberspect.getMethod(data, methodName, argv, node);
                }
                if (vm == null) {
                    xjexl = new JexlException(node, "unknown or ambiguous method", null);
                }
            }
            if (xjexl == null) {
                Object eval = vm.invoke(data, argv); // vm cannot be null if xjexl is null
                // cache executor in volatile JexlNode.value
                if (cache && vm.isCacheable()) {
                    node.jjtSetValue(vm);
                }
                return eval;
            }
        } catch (InvocationTargetException e) {

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        try {
            // attempt to reuse last executor cached in volatile JexlNode.value
            if (cache) {
                Object cached = node.jjtGetValue();
                if (cached instanceof JexlMethod) {
                    JexlMethod me = (JexlMethod) cached;
                    Object eval = me.tryInvoke(function, namespace, argv);
                    if (!me.tryFailed(eval)) {
                        return eval;
                    }
                }
            }
            JexlMethod vm = uberspect.getMethod(namespace, function, argv, node);
            // DG: If we can't find an exact match, narrow the parameters and
            // try again!
            if (vm == null) {
                // replace all numbers with the smallest type that will fit
                if (arithmetic.narrowArguments(argv)) {
                    vm = uberspect.getMethod(namespace, function, argv, node);
                }
                if (vm == null) {
                    xjexl = new JexlException(node, "unknown function", null);
                }
            }
            if (xjexl == null) {
                Object eval = vm.invoke(namespace, argv); // vm cannot be null if xjexl is null
                // cache executor in volatile JexlNode.value
                if (cache && vm.isCacheable()) {
                    node.jjtSetValue(vm);
                }
                return eval;
            }
        } catch (InvocationTargetException e) {

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            return ((String) val).length();
        } else {
            // check if there is a size method on the object that returns an
            // integer and if so, just use it
            Object[] params = new Object[0];
            JexlMethod vm = uberspect.getMethod(val, "size", EMPTY_PARAMS, node);
            if (vm != null && vm.getReturnType() == Integer.TYPE) {
                Integer result;
                try {
                    result = (Integer) vm.invoke(val, params);
                } catch (Exception e) {
                    throw new JexlException(node, "size() : error executing", e);
                }
                return result.intValue();
            }

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    public Object invokeMethod(Object obj, String meth, Object... args) {
        JexlException xjexl = null;
        Object result = null;
        JexlInfo info = debugInfo();
        try {
            JexlMethod method = uberspect.getMethod(obj, meth, args, info);
            if (method == null && arithmetic.narrowArguments(args)) {
                method = uberspect.getMethod(obj, meth, args, info);
            }
            if (method != null) {
                result = method.invoke(obj, args);
            } else {
                xjexl = new JexlException(info, "failed finding method " + meth);
            }
        } catch (Exception xany) {
            xjexl = new JexlException(info, "failed executing method " + meth, xany);

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        }
        // attempt to reuse last executor cached in volatile JexlNode.value
        if (node != null && cache) {
            Object cached = node.jjtGetValue();
            if (cached instanceof JexlPropertyGet) {
                JexlPropertyGet vg = (JexlPropertyGet) cached;
                Object value = vg.tryInvoke(object, attribute);
                if (!vg.tryFailed(value)) {
                    return value;
                }
            }
        }
        JexlPropertyGet vg = uberspect.getPropertyGet(object, attribute, node);
        if (vg != null) {
            try {
                Object value = vg.invoke(object);
                // cache executor in volatile JexlNode.value
                if (node != null && cache && vg.isCacheable()) {
                    node.jjtSetValue(vg);
                }
                return value;
            } catch (Exception xany) {
                if (node == null) {

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    protected void setAttribute(Object object, Object attribute, Object value, JexlNode node) {
        // attempt to reuse last executor cached in volatile JexlNode.value
        if (node != null && cache) {
            Object cached = node.jjtGetValue();
            if (cached instanceof JexlPropertySet) {
                JexlPropertySet setter = (JexlPropertySet) cached;
                Object eval = setter.tryInvoke(object, attribute, value);
                if (!setter.tryFailed(eval)) {
                    return;
                }
            }
        }
        JexlException xjexl = null;
        JexlPropertySet vs = uberspect.getPropertySet(object, attribute, value, node);
        if (vs != null) {
            try {
                // cache executor in volatile JexlNode.value
                vs.invoke(object, value);
                if (node != null && cache && vs.isCacheable()) {
                    node.jjtSetValue(vs);
                }
                return;
            } catch (RuntimeException xrt) {
                if (node == null) {

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    }


    // JEXL-52: can be implemented by deriving Interpreter.{g,s}etAttribute; later
    public void test52base() throws Exception {
        JexlEngine jexl = new JexlEngine();
        Uberspect uber = jexl.getUberspect();
        // most likely, call will be in an Interpreter, getUberspect
        String[] names = ((Introspector) uber).getMethodNames(Another.class);
        assertTrue("should find methods", names.length > 0);
        int found = 0;
        for (String name : names) {

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     */
    public static Uberspect getUberspect(Log logger) {
        if (logger == null || logger.equals(LogFactory.getLog(JexlEngine.class))) {
            return UberspectHolder.UBERSPECT;
        }
        return new UberspectImpl(logger);
    }

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    static final String[][] GET_METHOD_ARRAY2 =
        new String[][] { {"One", "Two", "Three"},{"Four", "Five", "Six"} };


    @Override
    public void setUp() {
        asserter = new Asserter(JEXL);
    }

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public class ArithmeticTest extends JexlTestCase {
    private Asserter asserter;


    @Override
    public void setUp() {
        asserter = new Asserter(JEXL);
    }

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