Example usage for java.lang.reflect Method setAccessible

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.jk.util.JKObjectUtil.java

/**
 * Call method.//  www  .  j a va2 s  . c o  m
 *
 * @param obj
 *            the obj
 * @param methodName
 *            the method name
 * @param includePrivateMehtods
 *            the include private mehtods
 * @param args
 *            the args
 * @throws InvocationTargetException
 *             the invocation target exception
 */
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public static void callMethod(final Object obj, final String methodName, final boolean includePrivateMehtods,
        final Object... args) throws InvocationTargetException {
    final Class[] intArgsClass = initParamsClasses(args);
    try {
        Class<?> current = obj.getClass();
        Method method = null;
        while (current != Object.class) {
            try {
                method = current.getDeclaredMethod(methodName, intArgsClass);
                break;
            } catch (final NoSuchMethodException ex) {
                current = current.getSuperclass();
            }
        }
        if (method == null) {
            throw new NoSuchMethodException("Mehtod is not found in " + current);
        }
        method.setAccessible(true);
        method.invoke(obj, args);
    } catch (final InvocationTargetException e) {
        throw new InvocationTargetException(e.getCause());
    } catch (final Exception e) {
        throw new InvocationTargetException(e);
    }
}

From source file:com.glaf.core.util.ReflectUtils.java

public static Object invoke(Object target, String methodName, Object[] args) {
    try {/*w w  w  .j  a  v a2  s  .  c  o m*/
        Class<? extends Object> clazz = target.getClass();
        Method method = findMethod(clazz, methodName, args);
        method.setAccessible(true);
        return method.invoke(target, args);
    } catch (Exception e) {
        throw new RuntimeException("couldn't invoke " + methodName + " on " + target, e);
    }
}

From source file:ja.centre.util.io.nio.MappedByteBufferWrapper.java

private void clean(final MappedByteBuffer buffer) {
    AccessController.doPrivileged(new PrivilegedAction<Object>() {
        public Object run() {
            try {
                Method cleanerMethod = buffer.getClass().getMethod("cleaner");
                cleanerMethod.setAccessible(true);
                sun.misc.Cleaner cleaner = (sun.misc.Cleaner) cleanerMethod.invoke(buffer);
                cleaner.clean();//w  ww . ja va  2s.  c  o m
            } catch (IllegalAccessException e) {
                States.shouldNeverReachHere(e);
            } catch (NoSuchMethodException e) {
                States.shouldNeverReachHere(e);
            } catch (InvocationTargetException e) {
                States.shouldNeverReachHere(e);
            }
            return null;
        }
    });
}

From source file:com.intellij.plugins.firstspirit.languagesupport.FirstSpiritClassPathHack.java

public void addURL(UrlClassLoader classLoader, URL u) throws Exception {

    if (classLoader != null) {
        System.out.println("Classloader loaded successfully: " + classLoader);
    } else {//from   w w w .ja  v a  2 s .  c o m
        System.err.println("Cannot load system classloader!");
    }
    Class sysclass = UrlClassLoader.class;

    try {
        Method method = sysclass.getDeclaredMethod("addURL", parameters);
        method.setAccessible(true);
        method.invoke(classLoader, new Object[] { u });
    } catch (Exception e) {
        System.err.println("Error, could not add URL " + u.getPath() + " to classloader!");
        e.printStackTrace();
        throw e;
    }

}

From source file:io.github.seleniumquery.by.firstgen.css.pseudoclasses.SubmitPseudoClass.java

/**
 * Latest HtmlUnit returns @type=button when type is not set and browser is <=IE9. We don't want that,
 * we want null if it is not set, so we can decide if it is submit or not. Because if it is null,
 * then it is :submit. If type is "button", though, it is not.
 *
 * #Cross-Driver//from   ww  w  .  ja va2  s.co  m
 * #HtmlUnit #reflection #hack
 */
private String getDeclaredTypeAttributeFromHtmlUnitButton(WebElement element) {
    try {
        if (element instanceof HtmlUnitWebElement) {
            Method getElementMethod = HtmlUnitWebElement.class.getDeclaredMethod("getElement");
            getElementMethod.setAccessible(true);
            Object htmlUnitElement = getElementMethod.invoke(element);
            if (htmlUnitElement instanceof DomElement) {
                DomAttr domAttr = ((DomElement) htmlUnitElement).getAttributesMap().get("type");
                return domAttr == null ? null : domAttr.getNodeValue();
            }
        }
    } catch (Exception e) {
        LOGGER.debug("Unable to retrieve declared \"type\" attribute from HtmlUnitWebElement " + element + ".",
                e);
    }
    return element.getAttribute("type");
}

From source file:org.slc.sli.ingestion.validation.XsdErrorHandlerTest.java

@Test
@SuppressWarnings("rawtypes")
public void testGetErrorMessage() throws Exception {
    // Test conversion of a SAX to ingestion error message.
    // Make the XsdErrorHandler private method getErrorMessage accessible.
    try {/*w  w w  .j  av a  2s. co m*/
        Class[] argClasses = new Class[1];
        argClasses[0] = org.xml.sax.SAXParseException.class;
        Method method = XsdErrorHandler.class.getDeclaredMethod("getErrorMessage", argClasses);
        method.setAccessible(true);
        Object[] argObjects = new Object[1];
        String filePath = String.format("%1$shome%1$slandingzone%1$sTestFile.xml", File.separator);
        when(mockedSAXParseException.getSystemId()).thenReturn(filePath);
        when(mockedSAXParseException.getLineNumber()).thenReturn(12581);
        when(mockedSAXParseException.getColumnNumber()).thenReturn(36);
        when(mockedSAXParseException.getMessage()).thenReturn("SAXParseException fatal error");
        argObjects[0] = mockedSAXParseException;
        String errorMessage = method.invoke(xsdErrorHandler, argObjects).toString();
        assertEquals("File TestFile.xml, Line 12581, Column 36:\nSAXParseException fatal error", errorMessage);
    } catch (Exception e) {
        // Should never happen.
        throw e;
    }
}

From source file:de.xaniox.heavyspleef.core.event.EventListenerMethod.java

@SuppressWarnings("unchecked")
public EventListenerMethod(Object instance, Method method) {
    this.instance = instance;
    this.method = method;

    if (!method.isAccessible()) {
        method.setAccessible(true);
    }/*from w  w  w.j  a v  a 2 s  .c o m*/

    subscribe = method.getAnnotation(Subscribe.class);

    Class<?>[] parameters = method.getParameterTypes();
    Validate.isTrue(parameters.length == 1,
            "method must have only one parameter which must be a subtype of Event");

    Class<?> eventClass = parameters[0];
    Validate.isTrue(Event.class.isAssignableFrom(eventClass),
            "First parameter of method must be a subtype of Event");

    this.eventClass = (Class<? extends Event>) eventClass;
}

From source file:nl.tue.gale.ae.GaleConfig.java

private void doAutoInit() {
    try {/* w  w w  .  j  av  a  2s.c  o m*/
        ((EventBusClient) ac.getBean("eventBusClient")).event("initall", new LinkedList<String>());
        if ("true".equals(GaleUtil.getProperty("useGEB"))) {
            Object geb = ac.getBean("gebManager");
            Method initmethod = geb.getClass().getDeclaredMethod("init");
            initmethod.setAccessible(true);
            initmethod.invoke(geb);
        }
    } catch (Exception e) {
        System.out.println("auto init failed: " + e.getMessage());
        e.printStackTrace();
    }
}

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

private Method findNonPublicMethod(String name, Class klass, Class... args) {
    try {/*from w ww.  j  a  v a 2s .  co  m*/
        Method method = klass.getDeclaredMethod(name, args);
        method.setAccessible(true);
        return method;
    } catch (NoSuchMethodException e) {
        return findNonPublicMethod(name, klass.getSuperclass(), args);
    }
}

From source file:io.github.zlika.reproducible.ZipStripper.java

private InputStream getRawInputStream(ZipFile zip, ZipArchiveEntry ze) throws IOException {
    try {/*from  w w  w . ja va2  s . c  o m*/
        // Call ZipFile.getRawInputStream(ZipArchiveEntry) by reflection
        // because it is a private method but we need it!
        final Method method = zip.getClass().getDeclaredMethod("getRawInputStream", ZipArchiveEntry.class);
        method.setAccessible(true);
        return (InputStream) method.invoke(zip, ze);
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
        throw new IOException(e);
    }
}