org.apache.commons.lang3.reflect.MethodUtils#invokeExactMethod ( )源码实例Demo

/**
 * Main method.
 * @param args program arguments
 * @throws Exception s
 */
public static void main(final String[] args) throws Exception {
    // final Class<? extends WebDriverTestCase> testClass = JQuery1x8x2Test.class;
    // final Class<? extends WebDriverTestCase> testClass = JQuery1x11x3Test.class;
    final Class<? extends WebDriverTestCase> testClass = JQuery3x3x1Test.class;

    final String version = (String) MethodUtils.invokeExactMethod(testClass.newInstance(), "getVersion");
    final File baseDir = new File("src/test/resources/libraries/jQuery/" + version + "/expectations");

    for (String browser : new String[] {"CHROME", "FF", "FF68", "FF60", "IE"}) {
        final File out = new File(baseDir, browser + ".out");
        final File results = new File(baseDir, "results." + browser + ".txt");
        extractExpectations(out, results);
    }

    generateTestCases(testClass, baseDir);
}
 

/** Calls the value() method of the given enum. */
public static <E extends Enum<E>> String value(E type) /*throws NoSuchMethodException, IllegalAccessException, InvocationTargetException*/ {
	try {
		return (String) MethodUtils.invokeExactMethod(type, "value", 
			new Object[]{});
	} catch (Exception e) {
		return null;
	}
}
 

public static <E extends Enum<E>> String getStr(E type) /*throws NoSuchMethodException, IllegalAccessException, InvocationTargetException*/ {
	try {
		return (String) MethodUtils.invokeExactMethod(type, "getStr", 
			new Object[]{});
	} catch (Exception e) {
		return null;
	}
}
 

/**
 * Loads a Gui from a given input stream.
 * Throws a {@link RuntimeException} instead of returning null in case of a failure.
 *
 * @param instance the class instance for all reflection lookups
 * @param inputStream the file
 * @return the gui
 * @see #load(Object, InputStream)
 */
@NotNull
public static Gui loadOrThrow(@NotNull Object instance, @NotNull InputStream inputStream) {
    Plugin plugin = JavaPlugin.getProvidingPlugin(Gui.class);
    try {
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream);
        Element documentElement = document.getDocumentElement();

        documentElement.normalize();

        Gui gui = new Gui(plugin, Integer.parseInt(documentElement.getAttribute("rows")), ChatColor
                .translateAlternateColorCodes('&', documentElement.getAttribute("title")));

        if (documentElement.hasAttribute("field"))
            XMLUtil.loadFieldAttribute(instance, documentElement, gui);

        if (documentElement.hasAttribute("onTopClick")) {
            gui.setOnTopClick(XMLUtil.loadOnEventAttribute(instance,
                    documentElement, InventoryClickEvent.class, "onTopClick"));
        }

        if (documentElement.hasAttribute("onBottomClick")) {
            gui.setOnBottomClick(XMLUtil.loadOnEventAttribute(instance,
                    documentElement, InventoryClickEvent.class, "onBottomClick"));
        }

        if (documentElement.hasAttribute("onGlobalClick")) {
            gui.setOnGlobalClick(XMLUtil.loadOnEventAttribute(instance,
                    documentElement, InventoryClickEvent.class, "onGlobalClick"));
        }

        if (documentElement.hasAttribute("onOutsideClick")) {
            gui.setOnOutsideClick(XMLUtil.loadOnEventAttribute(instance,
                    documentElement, InventoryClickEvent.class, "onOutsideClick"));
        }

        if (documentElement.hasAttribute("onClose")) {
            gui.setOnClose(XMLUtil.loadOnEventAttribute(instance,
                    documentElement, InventoryCloseEvent.class, "onClose"));
        }

        if (documentElement.hasAttribute("populate")) {
            MethodUtils.invokeExactMethod(instance, "populate", gui, Gui.class);
        } else {
            NodeList childNodes = documentElement.getChildNodes();
            for (int i = 0; i < childNodes.getLength(); i++) {
                Node item = childNodes.item(i);

                if (item.getNodeType() == Node.ELEMENT_NODE)
                    gui.addPane(loadPane(instance, item));
            }
        }

        return gui;
    } catch (Exception e) {
        throw new XMLLoadException("Error loading " + plugin.getName() + "'s gui with associated class: "
                + instance.getClass().getSimpleName(), e);
    }
}