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:Main.java

public static int getFieldIntSafely(Class clz, String fieldName, Object instance) {
    try {//from   w  w w  . ja va 2 s.  c  o  m
        Field field = clz.getDeclaredField(fieldName);
        field.setAccessible(true);
        return field.getInt(instance);
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    }
    return 0;
}

From source file:Main.java

private static void setField(Class type, String name, Object instance, Object value)
        throws NoSuchFieldException, IllegalAccessException {
    Field field = type.getDeclaredField(name);
    field.setAccessible(true);
    field.set(instance, value);/*from  w  w  w .  j a  va2s . c  om*/
}

From source file:Main.java

public static String getId(Object t) {
    try {// w ww.j  av a2s.co  m
        Field idField = t.getClass().getDeclaredField("id");
        idField.setAccessible(true);
        return idField.get(t).toString();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static Object fieldGet(Object object, String fieldName) throws Exception {
    Field field = object.getClass().getDeclaredField(fieldName);
    field.setAccessible(true);
    return field.get(object);
}

From source file:Main.java

public static void fieldSet(Object object, String fieldName, Object value) throws Exception {
    Field field = object.getClass().getDeclaredField(fieldName);
    field.setAccessible(true);
    field.set(object, value);//from ww w. j  a  v a  2s . c om
}

From source file:Main.java

public static void setStaticFieldValue(@SuppressWarnings("rawtypes") final Class clazz, final String name,
        final Object value) throws Exception {
    Field field = clazz.getDeclaredField(name);
    field.setAccessible(true);
    // There seems to be no field "modifiers" in Android/DalvikVM?
    // Field modifiersField = Field.class.getDeclaredField("modifiers");
    // modifiersField.setAccessible(true);
    // modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
    field.set(null, value);//w  w  w .j  ava  2s  .  c  o  m
}

From source file:Main.java

/**
 * Get a Hashtable of all class member fields (including private) of the
 * given object/* ww w . j  av  a 2 s .  com*/
 * 
 * @param objectInstance Object to get data from
 * @return Hashtable of all values
 * 
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static Map<String, Object> getAllFields(Object objectInstance)
        throws IllegalArgumentException, IllegalAccessException // NOSONAR
{
    HashMap<String, Object> map = new HashMap<String, Object>();

    Class<? extends Object> clazz = objectInstance.getClass();

    Field fields[] = clazz.getDeclaredFields();
    for (int i = 0; i < fields.length; i++) {
        Field f = fields[i];
        f.setAccessible(true);

        String fieldName = f.getName();
        Object fieldValue = f.get(objectInstance);

        map.put(fieldName, fieldValue);
    }

    return map;
}

From source file:Main.java

protected static Object getDeclaredField(Object obj, String name)
        throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException {
    final Field f = obj.getClass().getDeclaredField(name);
    f.setAccessible(true);
    return f.get(obj);
}

From source file:Main.java

public static <T> void setFinalField(Class<T> clazz, T object, String fieldName, Object value) {
    try {/*  w ww. j a v  a2 s  .c  o m*/
        Field headerField = clazz.getDeclaredField(fieldName);
        headerField.setAccessible(true);
        headerField.set(object, value);
    } catch (NoSuchFieldException e) {
        throw new RuntimeException(e);
    } catch (IllegalAccessException e2) {
        throw new RuntimeException(e2);
    }
}

From source file:Main.java

private static void loadClass(Class clazz) throws NoSuchFieldException, IllegalAccessException {
    final Field id = clazz.getDeclaredField("ID");
    id.setAccessible(true);
    id.get(null);/*from www  .jav  a  2 s  .  c  om*/
}