Example usage for java.lang.reflect Field setAccessible

Introduction

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

Prototype

@Override
@CallerSensitive
public void setAccessible(boolean flag)

Source Link

Usage

From source file:com.npower.dm.util.BeanHelper.java

/**
 * private/protected/*from  w  w w  .  j a  v a  2 s.  com*/
 */
static public void setDeclaredProperty(Object object, Field field, Object newValue)
        throws IllegalAccessException {
    boolean accessible = field.isAccessible();
    field.setAccessible(true);
    field.set(object, newValue);
    field.setAccessible(accessible);
}

From source file:Main.java

/**
 * Sets the given field's value of the specified object instance.
 * /*from   ww w.  ja  v  a  2 s .c  o m*/
 * @throws IllegalArgumentException if the value cannot be set.
 */
public static void setValue(final Field field, final Object instance, final Object value) {
    try {
        field.setAccessible(true);
        field.set(instance, convert(value, field.getType()));
    } catch (final IllegalAccessException e) {
        throw new IllegalArgumentException("No access to field: " + field.getName(), e);
    }
}

From source file:com.taobao.adfs.database.tdhsocket.client.protocol.TDHSProtocolBinary.java

private static void encodeRequest(Request o, ByteArrayOutputStream out, String charestName)
        throws IllegalAccessException, IOException, TDHSEncodeException {
    for (Field f : o.getClass().getDeclaredFields()) {
        if (!Modifier.isPublic(f.getModifiers())) {
            f.setAccessible(true);
        }//from w w  w  .  jav a2s. com
        Object v = f.get(o);
        if (v instanceof Request) {
            encodeRequest((Request) v, out, charestName);
        } else if (f.getName().startsWith("_")) {
            writeObjectToStream(v, out, f.getName(), charestName);
        }
    }
}

From source file:jfix.util.Reflections.java

/**
 * Initializes all declared static string fields in given class with name of
 * fields.//from  w w w . java  2 s. co  m
 */
public static void init(Class<?> clazz) {
    for (Field field : clazz.getDeclaredFields()) {
        field.setAccessible(true);
        try {
            field.set(null, field.getName());
        } catch (Exception e) {
        }
    }
}

From source file:ml.dmlc.xgboost4j.java.NativeLibLoader.java

/**
 * Add libPath to java.library.path, then native library in libPath would be load properly
 *
 * @param libPath library path//w  w  w . j  a va2s  .co m
 * @throws IOException exception
 */
private static void addNativeDir(String libPath) throws IOException {
    try {
        Field field = ClassLoader.class.getDeclaredField("usr_paths");
        field.setAccessible(true);
        String[] paths = (String[]) field.get(null);
        for (String path : paths) {
            if (libPath.equals(path)) {
                return;
            }
        }
        String[] tmp = new String[paths.length + 1];
        System.arraycopy(paths, 0, tmp, 0, paths.length);
        tmp[paths.length] = libPath;
        field.set(null, tmp);
    } catch (IllegalAccessException e) {
        logger.error(e.getMessage());
        throw new IOException("Failed to get permissions to set library path");
    } catch (NoSuchFieldException e) {
        logger.error(e.getMessage());
        throw new IOException("Failed to get field handle to set library path");
    }
}

From source file:com.xhsoft.framework.common.utils.ReflectUtil.java

/**
 * <p>Description:setFieldValue</p>
 * @param target/*from w w  w  .  j  av  a2 s  . c  om*/
 * @param fname
 * @param ftype
 * @param fvalue
 * @return void
 */
@SuppressWarnings("unchecked")
public static void setFieldValue(Object target, String fname, Class ftype, Object fvalue) {
    if (target == null || fname == null || "".equals(fname)
            || (fvalue != null && !ftype.isAssignableFrom(fvalue.getClass()))) {
        return;
    }

    Class clazz = target.getClass();

    try {
        Method method = clazz
                .getDeclaredMethod("set" + Character.toUpperCase(fname.charAt(0)) + fname.substring(1), ftype);

        if (!Modifier.isPublic(method.getModifiers())) {
            method.setAccessible(true);
        }

        method.invoke(target, fvalue);

    } catch (Exception me) {
        try {
            Field field = clazz.getDeclaredField(fname);

            if (!Modifier.isPublic(field.getModifiers())) {
                field.setAccessible(true);
            }

            field.set(target, fvalue);
        } catch (Exception fe) {

            if (logger.isDebugEnabled()) {
                logger.debug(fe);
            }
        }
    }
}

From source file:com.harshad.linconnectclient.NotificationUtilities.java

@SuppressLint("DefaultLocale")
public static ArrayList<String> getNotificationText(Notification notification) {
    RemoteViews views = notification.contentView;
    Class<?> secretClass = views.getClass();

    try {//from   w  w  w.  j a  va2  s  . co m
        ArrayList<String> notificationData = new ArrayList<String>();

        Field outerFields[] = secretClass.getDeclaredFields();
        for (int i = 0; i < outerFields.length; i++) {
            if (!outerFields[i].getName().equals("mActions"))
                continue;

            outerFields[i].setAccessible(true);

            @SuppressWarnings("unchecked")
            ArrayList<Object> actions = (ArrayList<Object>) outerFields[i].get(views);
            for (Object action : actions) {
                Field innerFields[] = action.getClass().getDeclaredFields();

                Object value = null;
                for (Field field : innerFields) {
                    field.setAccessible(true);
                    // Value field could possibly contain text
                    if (field.getName().equals("value")) {
                        value = field.get(action);
                    }
                }

                // Check if value is a String
                if (value != null && value.getClass().getName().toUpperCase().contains("STRING")) {

                    notificationData.add(value.toString());
                }
            }

            return notificationData;
        }
    } catch (Exception e) {
    }
    return null;
}

From source file:com.dianping.lion.util.BeanUtils.java

@SuppressWarnings("unchecked")
public static <T> T getDeclaredFieldValue(Object object, String propertyName) throws NoSuchFieldException {
    Assert.notNull(object);//ww  w  .  ja v a  2s .  c o  m
    Assert.hasText(propertyName);

    Field field = getDeclaredField(object.getClass(), propertyName);

    boolean accessible = field.isAccessible();
    Object result = null;
    synchronized (field) {
        field.setAccessible(true);
        try {
            result = field.get(object);
        } catch (IllegalAccessException e) {
            throw new NoSuchFieldException("No such field: " + object.getClass() + '.' + propertyName);
        } finally {
            field.setAccessible(accessible);
        }
    }
    return (T) result;
}

From source file:com.bjwg.back.util.ReflectionUtils.java

/**
 * //from   w ww.j  av  a  2s.c om
 */
public static Field getAccessibleField(final Object obj, final String fieldName) {
    AssertUtils.notNull(obj, "object?");
    AssertUtils.hasText(fieldName, "fieldName");
    for (Class<?> superClass = obj.getClass(); superClass != Object.class; superClass = superClass
            .getSuperclass()) {
        try {
            Field field = superClass.getDeclaredField(fieldName);
            field.setAccessible(true);
            return field;
        } catch (NoSuchFieldException e) {//NOSONAR
        }
    }
    return null;
}

From source file:org.comicwiki.Repository.java

private static Object mergeObjects(Object source, Object target) {
    Field[] fields = source.getClass().getFields();
    for (Field field : fields) {
        field.setAccessible(true);
        try {//from   w  w  w.  j a  v  a 2 s . c o m
            Object sourceValue = field.get(source);
            if (sourceValue == null) {
                continue;
            }
            Object targetValue = field.get(target);
            if (targetValue == null) {
                field.set(target, sourceValue);
            } else if (targetValue instanceof Thing) {// CreativeWork
                mergeObjects(sourceValue, targetValue);
            } else if (targetValue instanceof IRI[]) {
                IRI[] tV = (IRI[]) targetValue;
                IRI[] sV = (IRI[]) sourceValue;
                field.set(target, Add.both(tV, sV, IRI.class));
            } else if (targetValue instanceof String[]) {
                String[] tV = (String[]) targetValue;
                String[] sV = (String[]) sourceValue;
                field.set(target, Add.both(sV, tV, String.class));
            } else if (targetValue instanceof Number[]) {
                Number[] tV = (Number[]) targetValue;
                Number[] sV = (Number[]) sourceValue;
                field.set(target, Add.both(tV, sV, Number.class));
            } else if (targetValue instanceof URL[]) {
                URL[] tV = (URL[]) targetValue;
                URL[] sV = (URL[]) sourceValue;
                field.set(target, Add.both(tV, sV, URL.class));
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return target;
}