Example usage for java.lang Class getDeclaredMethod

List of usage examples for java.lang Class getDeclaredMethod

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Introduction

In this page you can find the example usage for java.lang Class getDeclaredMethod.

Prototype

@CallerSensitive
public Method getDeclaredMethod(String name, Class<?>... parameterTypes)
        throws NoSuchMethodException, SecurityException

Source Link

Document

Returns a Method object that reflects the specified declared method of the class or interface represented by this Class object.

Usage

From source file:com.thoughtworks.go.util.NestedJarClassLoader.java

private Method findNonPublicMethod(String name, Class klass, Class... args) {
    try {//  ww w  . j a  v  a2s. c  o  m
        Method method = klass.getDeclaredMethod(name, args);
        method.setAccessible(true);
        return method;
    } catch (NoSuchMethodException e) {
        return findNonPublicMethod(name, klass.getSuperclass(), args);
    }
}

From source file:com.ruesga.rview.TabFragmentActivity.java

@SuppressWarnings("ConfusingArgumentToVarargsMethod")
private void openFragment(String fragmentName, ArrayList<String> args) throws IllegalArgumentException {
    Fragment fragment;//w w  w . jav  a  2 s.  c  o m
    try {
        Class<?> cls = Class.forName(fragmentName);
        Method m = cls.getDeclaredMethod("newFragment", ArrayList.class);
        fragment = (Fragment) m.invoke(null, args);
    } catch (Exception cause) {
        throw new IllegalArgumentException(cause);
    }

    FragmentTransaction tx = getSupportFragmentManager().beginTransaction().setReorderingAllowed(false);
    tx.replace(R.id.content, fragment, FRAGMENT_TAG_LIST);
    tx.commit();
}

From source file:com.springframework.core.annotation.AnnotationUtils.java

/**
 * Find a single {@link Annotation} of {@code annotationType} on the supplied
 * {@link Method}, traversing its super methods (i.e., from superclasses and
 * interfaces) if no annotation can be found on the given method itself.
 * <p>Correctly handles bridge {@link Method Methods} generated by the compiler.
 * <p>Meta-annotations will be searched if the annotation is not
 * <em>directly present</em> on the method.
 * <p>Annotations on methods are not inherited by default, so we need to handle
 * this explicitly./*from  w ww .j a  v a 2 s  .  c  o m*/
 * @param method the method to look for annotations on
 * @param annotationType the annotation type to look for
 * @return the matching annotation, or {@code null} if not found
 * @see #getAnnotation(Method, Class)
 */
@SuppressWarnings("unchecked")
public static <A extends Annotation> A findAnnotation(Method method, Class<A> annotationType) {
    AnnotationCacheKey cacheKey = new AnnotationCacheKey(method, annotationType);
    A result = (A) findAnnotationCache.get(cacheKey);

    if (result == null) {
        Method resolvedMethod = BridgeMethodResolver.findBridgedMethod(method);
        result = findAnnotation((AnnotatedElement) resolvedMethod, annotationType);

        if (result == null) {
            result = searchOnInterfaces(method, annotationType, method.getDeclaringClass().getInterfaces());
        }

        Class<?> clazz = method.getDeclaringClass();
        while (result == null) {
            clazz = clazz.getSuperclass();
            if (clazz == null || clazz.equals(Object.class)) {
                break;
            }
            try {
                Method equivalentMethod = clazz.getDeclaredMethod(method.getName(), method.getParameterTypes());
                Method resolvedEquivalentMethod = BridgeMethodResolver.findBridgedMethod(equivalentMethod);
                result = findAnnotation((AnnotatedElement) resolvedEquivalentMethod, annotationType);
            } catch (NoSuchMethodException ex) {
                // No equivalent method found
            }
            if (result == null) {
                result = searchOnInterfaces(method, annotationType, clazz.getInterfaces());
            }
        }

        if (result != null) {
            findAnnotationCache.put(cacheKey, result);
        }
    }

    return result;
}

From source file:es.caib.zkib.jxpath.util.ValueUtils.java

/**
 * Return an accessible method (that is, one that can be invoked via
 * reflection) that implements the specified Method.  If no such method
 * can be found, return <code>null</code>.
 *
 * @param method The method that we wish to call
 * @return Method/*from   w ww.  j a v a  2  s. co  m*/
 */
public static Method getAccessibleMethod(Method method) {

    // Make sure we have a method to check
    if (method == null) {
        return (null);
    }

    // If the requested method is not public we cannot call it
    if (!Modifier.isPublic(method.getModifiers())) {
        return (null);
    }

    // If the declaring class is public, we are done
    Class clazz = method.getDeclaringClass();
    if (Modifier.isPublic(clazz.getModifiers())) {
        return (method);
    }

    String name = method.getName();
    Class[] parameterTypes = method.getParameterTypes();
    while (clazz != null) {
        // Check the implemented interfaces and subinterfaces
        Method aMethod = getAccessibleMethodFromInterfaceNest(clazz, name, parameterTypes);
        if (aMethod != null) {
            return aMethod;
        }

        clazz = clazz.getSuperclass();
        if (clazz != null && Modifier.isPublic(clazz.getModifiers())) {
            try {
                return clazz.getDeclaredMethod(name, parameterTypes);
            } catch (NoSuchMethodException e) { //NOPMD
                //ignore
            }
        }
    }
    return null;
}

From source file:com.spectralogic.ds3client.metadata.WindowsMetadataRestore_Test.java

@Test
public void restorePermissions_Test() throws NoSuchMethodException, IOException, URISyntaxException,
        InvocationTargetException, IllegalAccessException, InterruptedException {
    final ImmutableMap.Builder<String, String> mMetadataMap = new ImmutableMap.Builder<>();
    final WindowsMetadataStore windowsMetadataStore = new WindowsMetadataStore(mMetadataMap);
    final Class aClass = WindowsMetadataStore.class;
    final Method method = aClass.getDeclaredMethod("saveFlagMetaData", new Class[] { Path.class });
    method.setAccessible(true);/*w w  w  . jav a 2  s.  c  om*/

    final File file = ResourceUtils.loadFileResource(FILE_NAME).toFile();

    method.invoke(windowsMetadataStore, file.toPath());

    final Method methodWindowsfilePermissions = aClass.getDeclaredMethod("saveWindowsfilePermissions",
            new Class[] { Path.class });
    methodWindowsfilePermissions.setAccessible(true);
    methodWindowsfilePermissions.invoke(windowsMetadataStore, file.toPath());

    final Set<String> mapKeys = mMetadataMap.build().keySet();
    final int keySize = mapKeys.size();
    final BasicHeader basicHeader[] = new BasicHeader[keySize + 1];
    basicHeader[0] = new BasicHeader(METADATA_PREFIX + MetadataKeyConstants.KEY_OS, localOS);
    int count = 1;
    for (final String key : mapKeys) {
        basicHeader[count] = new BasicHeader(key, mMetadataMap.build().get(key));
        count++;
    }

    final Metadata metadata = genMetadata(basicHeader);
    final WindowsMetadataRestore windowsMetadataRestore = new WindowsMetadataRestore(metadata, file.getPath(),
            MetaDataUtil.getOS());
    windowsMetadataRestore.restoreOSName();
    windowsMetadataRestore.restorePermissions();
}

From source file:org.apache.axis2.jaxws.message.databinding.impl.ClassFinderImpl.java

public void updateClassPath(final String filePath, final ClassLoader cl) throws Exception {
    if (filePath == null) {
        return;/*from   w ww.  j  av a2s .c  o  m*/
    }
    if (filePath.length() == 0) {
        return;
    }
    if (cl instanceof URLClassLoader) {
        //lets add the path to the classloader.
        try {
            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                public Object run() throws Exception {
                    URLClassLoader ucl = (URLClassLoader) cl;
                    //convert file path to URL.
                    File file = new File(filePath);
                    URL url = file.toURI().toURL();
                    Class uclClass = URLClassLoader.class;
                    Method method = uclClass.getDeclaredMethod("addURL", new Class[] { URL.class });
                    method.setAccessible(true);
                    method.invoke(ucl, new Object[] { url });
                    return ucl;
                }
            });
        } catch (PrivilegedActionException e) {
            if (log.isDebugEnabled()) {
                log.debug("Exception thrown from AccessController: " + e);
            }
            throw ExceptionFactory.makeWebServiceException(e.getException());
        }

    }
}

From source file:org.cloudfoundry.practical.demo.web.controller.CompilerController.java

private void invokeMain(URLClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException,
        IllegalAccessException, InvocationTargetException {
    Class<?> main = Class.forName("Main", true, classLoader);
    Method method = main.getDeclaredMethod("main", String[].class);
    method.invoke(null, new Object[] { new String[] {} });
}

From source file:com.spectralogic.ds3client.metadata.WindowsMetadataRestore_Test.java

@Test
public void restoreUserAndOwner_Test() throws Exception {
    final ImmutableMap.Builder<String, String> metadataMap = new ImmutableMap.Builder<>();
    final WindowsMetadataStore windowsMetadataStore = new WindowsMetadataStore(metadataMap);
    final Class aClass = WindowsMetadataStore.class;
    final Method method = aClass.getDeclaredMethod("saveWindowsDescriptors", new Class[] { Path.class });
    method.setAccessible(true);/*w w w.  j a  v  a2s  . c  om*/

    final String tempPathPrefix = null;
    final Path tempDirectory = Files.createTempDirectory(Paths.get("."), tempPathPrefix);

    final String fileName = "Gracie.txt";

    try {
        final Path filePath = Files.createFile(Paths.get(tempDirectory.toString(), fileName));

        method.invoke(windowsMetadataStore, filePath);

        final BasicHeader basicHeader[] = new BasicHeader[3];
        basicHeader[0] = new BasicHeader(METADATA_PREFIX + KEY_OWNER,
                metadataMap.build().get(METADATA_PREFIX + KEY_OWNER));
        basicHeader[1] = new BasicHeader(METADATA_PREFIX + KEY_GROUP,
                metadataMap.build().get(METADATA_PREFIX + KEY_GROUP));
        basicHeader[2] = new BasicHeader(METADATA_PREFIX + MetadataKeyConstants.KEY_OS, localOS);
        final Metadata metadata = genMetadata(basicHeader);
        final WindowsMetadataRestore windowsMetadataRestore = new WindowsMetadataRestore(metadata,
                filePath.toString(), MetaDataUtil.getOS());
        windowsMetadataRestore.restoreOSName();
        windowsMetadataRestore.restoreUserAndOwner();

        final ImmutableMap.Builder<String, String> mMetadataMapAfterRestore = new ImmutableMap.Builder<>();
        final WindowsMetadataStore windowsMetadataStoreAfterRestore = new WindowsMetadataStore(
                mMetadataMapAfterRestore);
        final Class aClassAfterRestore = WindowsMetadataStore.class;
        final Method methodAfterRestore = aClassAfterRestore.getDeclaredMethod("saveWindowsDescriptors",
                new Class[] { Path.class });
        methodAfterRestore.setAccessible(true);
        methodAfterRestore.invoke(windowsMetadataStoreAfterRestore, filePath);

        Assert.assertEquals(mMetadataMapAfterRestore.build().get(METADATA_PREFIX + KEY_OWNER),
                basicHeader[0].getValue());
        Assert.assertEquals(mMetadataMapAfterRestore.build().get(METADATA_PREFIX + KEY_GROUP),
                basicHeader[1].getValue());
    } finally {
        FileUtils.deleteDirectory(tempDirectory.toFile());
    }
}

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/*  w  w w.  j  ava 2 s .co 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:eu.europa.ejusticeportal.dss.applet.model.action.OpenPdfAction.java

/**
 * Tries to open file using java.awt.Desktop
 * @param url the file to open//from w  w  w.ja va 2  s  . c o  m
 * @throws Exception if desktop not available
 */
private void openDesktop(String url) throws Exception {
    final Class<?> d = Class.forName("java.awt.Desktop");
    LOG.log(Level.FINE, "URI to open : " + "file:///{0}", url.replace("\\", "/"));
    d.getDeclaredMethod("browse", new Class[] { java.net.URI.class }).invoke(
            d.getDeclaredMethod("getDesktop").invoke(null),
            new Object[] { java.net.URI.create("file:///" + url.replace("\\", "/")) });
    LOG.log(Level.FINE, "java.awt.Desktop.getDesktop().browse() available");
    // above code mimics: java.awt.Desktop.getDesktop().browse()
}