Example usage for java.lang.reflect Method setAccessible

List of usage examples for java.lang.reflect Method setAccessible

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Introduction

In this page you can find the example usage for java.lang.reflect Method setAccessible.

Prototype

@Override
@CallerSensitive
public void setAccessible(boolean flag)

Source Link

Usage

From source file:com.krawler.runtime.utils.URLClassLoaderUtil.java

public void addJarURL(URL u) throws Exception {
    try {/*  w  w w  . ja va 2s  .c  o  m*/

        URLClassLoader sysLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
        URL urls[] = sysLoader.getURLs();
        for (int i = 0; i < urls.length; i++) {
            if (StringUtils.equalsIgnoreCase(urls[i].toString(), u.toString())) {
                if (log.isDebugEnabled()) {
                    log.debug("URL " + u + " is already in the CLASSPATH");
                }
                return;
            }
        }
        Class sysclass = URLClassLoader.class;
        Method method = sysclass.getDeclaredMethod("addURL", parameters);
        method.setAccessible(true);
        method.invoke(sysLoader, new Object[] { u });
    } catch (Exception e) {
        e.printStackTrace();
        throw new Exception("Error, could not add URL to system classloader" + e.getMessage());
    }

}

From source file:de.elomagic.vaadin.addon.speechrecognition.SpeechRecognitionEventDataTest.java

private Gson getGson() throws Exception {
    Method method = SpeechRecognition.class.getDeclaredMethod("createGson");
    method.setAccessible(true);
    return (Gson) method.invoke(null);
}

From source file:org.jtwig.unit.mvc.JtwigViewTest.java

@Test(expected = BeansException.class)
public void ensureAppCtxInitializationCapturesServletException() throws Throwable {

    JtwigView underTest = new JtwigView() {
        @Override/*ww  w.j  a  v  a  2s . c  om*/
        protected GenericServlet getGenericServlet() {
            GenericServlet servlet = spy(super.getGenericServlet());
            try {
                doThrow(ServletException.class).when(servlet).init(any(ServletConfig.class));
            } catch (ServletException ex) {
            }
            return servlet;
        }
    };

    // Let's just use reflection to call the method
    try {
        Method meth = JtwigView.class.getDeclaredMethod("initApplicationContext");
        meth.setAccessible(true);
        meth.invoke(underTest);
    } catch (InvocationTargetException ex) {
        throw ex.getCause();
    }
}

From source file:com.hc.wx.server.common.bytecode.ReflectUtils.java

public static Map<String, Method> getBeanPropertyReadMethods(Class cl) {
    Map<String, Method> properties = new HashMap<String, Method>();
    for (; cl != null; cl = cl.getSuperclass()) {
        Method[] methods = cl.getDeclaredMethods();
        for (Method method : methods) {
            if (isBeanPropertyReadMethod(method)) {
                method.setAccessible(true);
                String property = getPropertyNameFromBeanReadMethod(method);
                properties.put(property, method);
            }/* ww  w.  j  ava  2 s .c  o m*/
        }
    }

    return properties;
}

From source file:org.vaadin.spring.boot.CustomServletOverrideTest.java

@Test
public void customServletIsInjected() throws Exception {
    Method getServlet = ServletRegistrationBean.class.getDeclaredMethod("getServlet");
    getServlet.setAccessible(true);
    Servlet servlet = (Servlet) getServlet.invoke(servletRegistrationBean);
    assertTrue("expected MyCustomVaadinServlet, was " + servlet.getClass().getSimpleName(),
            servlet instanceof MyCustomVaadinServlet);
}

From source file:Main.java

public static <T extends Object, Result> Result callMethodCast(T receiver, Class<Result> resultClass,
        String methodName, Object... args) throws NoSuchMethodException, IllegalAccessException,
        InvocationTargetException, InstantiationException {
    if (receiver == null || methodName == null) {
        return null;
    }/*  w w w.  ja  va 2  s . c om*/
    Class<?> cls = receiver.getClass();
    Method toInvoke = null;
    do {
        Method[] methods = cls.getDeclaredMethods();
        methodLoop: for (Method method : methods) {
            if (!methodName.equals(method.getName())) {
                continue;
            }
            Class<?>[] paramTypes = method.getParameterTypes();
            if (args == null && paramTypes == null) {
                toInvoke = method;
                break;
            } else if (args == null || paramTypes == null || paramTypes.length != args.length) {
                continue;
            }

            for (int i = 0; i < args.length; ++i) {
                if (!paramTypes[i].isAssignableFrom(args[i].getClass())) {
                    continue methodLoop;
                }
            }
            toInvoke = method;
        }
    } while (toInvoke == null && (cls = cls.getSuperclass()) != null);
    Result t;
    if (toInvoke != null) {
        boolean accessible = toInvoke.isAccessible();
        toInvoke.setAccessible(true);
        if (resultClass != null) {
            t = resultClass.cast(toInvoke.invoke(receiver, args));
        } else {
            toInvoke.invoke(receiver, args);
            t = null;
        }
        toInvoke.setAccessible(accessible);
        return t;
    } else {
        throw new NoSuchMethodException("Method " + methodName + " not found");
    }
}

From source file:org.openmrs.module.metadatasharing.reflection.ReplaceMethodInovker.java

public Method getMethod(Class<?> type, String name, Class<?>... parameterTypes) {
    try {// w  ww  .  ja va  2 s. c  o  m
        Method result = type.getDeclaredMethod(name, parameterTypes);
        result.setAccessible(true);
        return result;
    } catch (NoSuchMethodException e) {
        return null;
    }
}

From source file:com.amazonaws.http.conn.ssl.privileged.PrivilegedMasterSecretValidator.java

private Object getMasterSecret(SSLSession session, String className) throws Exception {
    Class<?> clazz = Class.forName(className);
    Method method = clazz.getDeclaredMethod("getMasterSecret");
    method.setAccessible(true);
    return method.invoke(session);
}

From source file:com.aurel.track.util.PluginUtils.java

/**
 * Add class folders and jar files in the lib directories for all plugins.
 * @param tpHome the Genji home directory which includes the plugin directory
 * @return/*from ww w  .  ja v a  2 s . c  o m*/
 */
public static void addPluginLocationsToClassPath(String tpHome) {
    File[] pluginDirs = new File[0];
    File directory = new File(tpHome + File.separator + HandleHome.PLUGINS_DIR);
    File resources = new File(tpHome + File.separator + HandleHome.XRESOURCES_DIR);
    File logos = new File(tpHome + File.separator + HandleHome.LOGOS_DIR);
    if (directory != null && directory.exists() && directory.isDirectory()) {
        pluginDirs = directory.listFiles();
    } else {
        return;
    }
    // Expand Genji plugins first
    for (File f : pluginDirs) {
        if (!f.isDirectory() && f.getName().endsWith(".tpx")) {
            String targetDir = f.getAbsolutePath().substring(0, f.getAbsolutePath().length() - 4);
            File td = new File(targetDir);
            if (!td.exists() || (td.lastModified() < f.lastModified()) || !td.isDirectory()) {
                try {
                    unzipFileIntoDirectory(f, directory);
                } catch (Exception e) {
                    LOGGER.error("Problem unzipping archive: " + e.getMessage());
                }
            }
        }
    }
    pluginDirs = directory.listFiles();
    // Now process the directories in <TRACKPLUS_HOME>/plugins
    ArrayList<File> files = new ArrayList<File>();
    ArrayList<File> jsdirs = new ArrayList<File>();
    ArrayList<String> bundles = new ArrayList<String>();

    for (File f : pluginDirs) {
        if (f != null && f.exists() && f.isDirectory()) {
            files.add(f);
            File classes = new File(f.getAbsolutePath() + File.separator + "classes");
            if (classes != null && classes.exists() && classes.isDirectory()) {
                files.add(classes);
            }
            File libs = new File(f.getAbsolutePath() + File.separator + "lib");
            File[] jars = new File[0];
            if (libs != null && libs.exists() && libs.isDirectory()) {
                jars = libs.listFiles();
            }

            for (File fj : jars) {
                if (fj.exists() && !fj.isDirectory() && fj.getAbsolutePath().endsWith(".jar")) {
                    files.add(fj);
                }
            }

            File conf = new File(f.getAbsolutePath() + File.separator + "conf");
            if (conf != null && conf.exists() && conf.isDirectory()) {
                files.add(conf);
            }

            File js = new File(f.getAbsolutePath() + File.separator + "js");
            if (js != null && js.exists() && js.isDirectory()) {
                jsdirs.add(f);
            }

            bundles.add("resources." + f.getName());
        }
    }
    URLClassLoader sysloader = null;
    try {
        sysloader = (URLClassLoader) StartServlet.class.getClassLoader();

        Class sysclass = URLClassLoader.class;
        for (File file : files) {
            try {
                LOGGER.info("Adding " + file.getAbsolutePath() + " to classpath.");
                Method method = sysclass.getDeclaredMethod("addURL", parameters);
                method.setAccessible(true);
                method.invoke(sysloader, new Object[] { file.toURI().toURL() });
            } catch (Exception t) {
                LOGGER.error(ExceptionUtils.getStackTrace(t));
            }
        }

        try {
            LOGGER.info("Trying to add " + resources.getAbsolutePath() + " to classpath.");
            Method method = sysclass.getDeclaredMethod("addURL", parameters);
            method.setAccessible(true);
            method.invoke(sysloader, new Object[] { resources.toURI().toURL() });
        } catch (Exception t) {
            LOGGER.info("No custom resources found, okay.");
        }

        try {
            LOGGER.info("Trying to add " + logos.getAbsolutePath() + " to classpath.");
            Method method = sysclass.getDeclaredMethod("addURL", parameters);
            method.setAccessible(true);
            method.invoke(sysloader, new Object[] { logos.toURI().toURL() });
        } catch (Exception t) {
            LOGGER.info("No custom logos found, okay.");
        }
    } catch (Exception e) {
        LOGGER.warn(
                "URLClassloader not supported. You have to add your plugins to the Java classpath manually");
    }
    setJavaScriptExtensionDirs(jsdirs);
    setBundles(bundles);

    return;
}

From source file:hivemall.dataset.LogisticRegressionDataGeneratorUDTFWrapper.java

@Override
protected Options getOptions() {
    Options options = null;/*  w w  w.  j  a v a  2s . co m*/
    try {
        Method m = udtf.getClass().getDeclaredMethod("getOptions");
        m.setAccessible(true);
        options = (Options) m.invoke(udtf);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return options;
}