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:org.grails.orm.hibernate.cfg.GrailsIdentifierGeneratorFactory.java

public static void applyNewInstance(Configuration cfg) throws IllegalArgumentException, IllegalAccessException {
    Field field = ReflectionUtils.findField(Configuration.class, "identifierGeneratorFactory");
    field.setAccessible(true);
    field.set(cfg, new GrailsIdentifierGeneratorFactory());
}

From source file:com.microsoft.applicationinsights.internal.channel.common.ApacheSenderFactoryTest.java

private static ApacheSender createApacheSender(boolean isNewVersion)
        throws NoSuchFieldException, IllegalAccessException {
    Field field = ClassDataUtils.class.getDeclaredField("verifier");
    field.setAccessible(true);

    ClassDataVerifier mockVerifier = Mockito.mock(ClassDataVerifier.class);
    Mockito.doReturn(isNewVersion).when(mockVerifier).verifyClassExists(anyString());
    field.set(ClassDataUtils.INSTANCE, mockVerifier);

    ApacheSender sender = new ApacheSenderFactory().create();
    assertNotNull(sender);/*from w  w w. j a  v  a2  s .  co  m*/
    return sender;
}

From source file:Main.java

public static void quitLoop() {
    try {/*  w ww.  j a v a2s. co m*/
        Field mQuitAllowed = MessageQueue.class.getDeclaredField("mQuitAllowed");
        mQuitAllowed.setAccessible(true);

        mQuitAllowed.set(Looper.myQueue(), true);

        Looper.myLooper().quit();

        Field mQuiting = MessageQueue.class.getDeclaredField("mQuiting");
        mQuiting.setAccessible(true);

        mQuiting.set(Looper.myQueue(), false);
        mQuitAllowed.set(Looper.myQueue(), false);
    } catch (Exception e) {
        throw new IllegalStateException(
                "Sofia modal runnables are not " + "supported on this version of the Android API because the "
                        + "MessageQueue.mQuitAllowed field could not be found or "
                        + "there was a problem changing it.");
    }
}

From source file:Main.java

/**
 * Using reflection to override default typeface
 * NOTICE: DO NOT FORGET TO SET TYPEFACE FOR APP THEME AS DEFAULT TYPEFACE WHICH WILL BE OVERRIDDEN
 * @param context to work with assets//from w  w w .j av  a 2  s.c  om
 * @param defaultFontNameToOverride for example "monospace"
 * @param customFontFileNameInAssets file name of the font from assets
 */
public static void overrideFont(Context context, String defaultFontNameToOverride,
        String customFontFileNameInAssets) {
    try {
        final Typeface customFontTypeface = Typeface.createFromAsset(context.getAssets(),
                customFontFileNameInAssets);

        final Field defaultFontTypefaceField = Typeface.class.getDeclaredField(defaultFontNameToOverride);
        defaultFontTypefaceField.setAccessible(true);
        defaultFontTypefaceField.set(null, customFontTypeface);
    } catch (Exception e) {
    }
}

From source file:Main.java

public static boolean overrideClassLoader(ClassLoader cl, File dex, File opt) {
    try {/*  w w  w . ja  va  2  s .co m*/
        ClassLoader bootstrap = cl.getParent();
        Field fPathList = BaseDexClassLoader.class.getDeclaredField("pathList");
        fPathList.setAccessible(true);
        Object pathList = fPathList.get(cl);
        Class cDexPathList = bootstrap.loadClass("dalvik.system.DexPathList");
        Field fDexElements = cDexPathList.getDeclaredField("dexElements");
        fDexElements.setAccessible(true);
        Object dexElements = fDexElements.get(pathList);
        DexClassLoader cl2 = new DexClassLoader(dex.getAbsolutePath(), opt.getAbsolutePath(), null, bootstrap);
        Object pathList2 = fPathList.get(cl2);
        Object dexElements2 = fDexElements.get(pathList2);
        Object element2 = Array.get(dexElements2, 0);
        int n = Array.getLength(dexElements) + 1;
        Object newDexElements = Array.newInstance(fDexElements.getType().getComponentType(), n);
        Array.set(newDexElements, 0, element2);
        for (int i = 0; i < n - 1; i++) {
            Object element = Array.get(dexElements, i);
            Array.set(newDexElements, i + 1, element);
        }
        fDexElements.set(pathList, newDexElements);
        return true;
    } catch (Exception e) {
        Log.e("lcast", "fail to override classloader " + cl + " with " + dex, e);
        return false;
    }
}

From source file:Main.java

public static int getMoveType(PackageInfo pInfo, ApplicationInfo info) {
    int moveType = MOVEAPPTYPE_NONE;
    if ((FLAG_EXTERNAL_STORAGE & info.flags) != 0) {
        moveType = MOVEAPPTYPE_MOVETOPHONE;
    } else if (pInfo != null) {
        int installLocation = 1;
        try {/*from   w  w  w  .  ja  va  2  s.com*/
            Field field = pInfo.getClass().getDeclaredField("installLocation");
            field.setAccessible(true);
            installLocation = field.getInt(pInfo);
        } catch (SecurityException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        if (installLocation == 0) {
            moveType = MOVEAPPTYPE_MOVETOSDCARD;
        } else if (installLocation == -1 || installLocation == 1) {
            moveType = MOVEAPPTYPE_NONE;
        }
    }
    return moveType;
}

From source file:Main.java

public static void setField(Object object, String fieldName, Object fieldValue) {
    Class<?> objectClass = object.getClass();
    if (objectClass != null) {
        try {// w  w w .  j a  v  a 2 s  .  c o  m
            Field field = objectClass.getDeclaredField(fieldName);
            field.setAccessible(true);
            Type type = field.getGenericType();

            //This is bad, but dear God I can't figure out how to convert a runtime Type to its actual type through reflection. I know how in C#....
            if (type.toString().toLowerCase().contains("short")) {
                fieldValue = Short.parseShort((String) fieldValue);
            }

            else if (type.toString().toLowerCase().contains("integer")) {
                fieldValue = Integer.parseInt((String) fieldValue);
            }

            else if (type.toString().toLowerCase().contains("long")) {
                fieldValue = Long.parseLong((String) fieldValue);
            }

            else if (type.toString().toLowerCase().contains("boolean")) {
                fieldValue = "1".equals(fieldValue); //Java, you're the worst language. And SQLite isn't helping.
            }

            field.set(object, fieldValue);
        }

        catch (NoSuchFieldException e) {
            return;
        }

        catch (Exception e) {
            throw new IllegalStateException(e);
        }
    }
}

From source file:Main.java

public static Object invokeField(Class<?> cls, Object object, String fieldName) throws Exception {
    Field field = cls.getDeclaredField(fieldName);

    boolean accessible = field.isAccessible();
    try {/*w ww  . j a v a2  s  . co m*/
        field.setAccessible(true);
        return field.get(object);
    } finally {
        field.setAccessible(accessible);
    }
}

From source file:Main.java

@SuppressWarnings("rawtypes")
public static Object getFieldObject(Object target, Class clazz, String fieldName) {
    try {// w w  w  . ja  va2s .c  o m
        Field field = clazz.getDeclaredField(fieldName);
        if (!field.isAccessible()) {
            field.setAccessible(true);
        }
        return field.get(target);
    } catch (SecurityException e) {
        e.printStackTrace();
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    return null;

}

From source file:Main.java

public static int getMoveType(PackageInfo pInfo, ApplicationInfo info) {
    int moveType = MOVEAPPTYPE_NONE;
    if ((FLAG_EXTERNAL_STORAGE & info.flags) != 0) {
        moveType = MOVEAPPTYPE_MOVETOPHONE;
    } else if (pInfo != null) {
        int installLocation = 1;
        try {// ww w.j ava  2s .co  m
            Field field = pInfo.getClass().getDeclaredField("installLocation");
            field.setAccessible(true);
            installLocation = field.getInt(pInfo);
        } catch (SecurityException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
        if (installLocation == 0) {
            moveType = MOVEAPPTYPE_MOVETOSDCARD;
        } else if (installLocation == -1 || installLocation == 1) {
            moveType = MOVEAPPTYPE_NONE;
        }
    }
    System.out.println("moveType..............." + moveType);
    return moveType;
}