Example usage for java.lang.reflect Field setInt

List of usage examples for java.lang.reflect Field setInt

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Introduction

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

Prototype

@CallerSensitive
@ForceInline 
public void setInt(Object obj, int i) throws IllegalArgumentException, IllegalAccessException

Source Link

Document

Sets the value of a field as an int on the specified object.

Usage

From source file:com.xxxifan.devbox.core.util.ViewUtils.java

/**
 * set status bar icon to light theme, which is called dark mode.
 * should be called in onCreate()//from w w w .j  a  va2  s  .c  o  m
 */
public static void setStatusBarLightMode(Activity activity, boolean lightMode) {
    if (activity == null || activity.getWindow() == null) {
        return;
    }

    Window window = activity.getWindow();
    boolean changed = false;
    // try miui
    try {
        Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams");
        Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE");
        int darkIcon = field.getInt(layoutParams);
        Method extraFlagField = window.getClass().getMethod("setExtraFlags", int.class, int.class);
        extraFlagField.invoke(window, lightMode ? darkIcon : 0, darkIcon);
        changed = true;
    } catch (Exception ignored) {
    }

    // try flyme
    try {
        WindowManager.LayoutParams lp = window.getAttributes();
        Field darkIcon = WindowManager.LayoutParams.class.getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON");
        Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField("meizuFlags");
        darkIcon.setAccessible(true);
        meizuFlags.setAccessible(true);
        int bit = darkIcon.getInt(null);
        int value = meizuFlags.getInt(lp);
        if (lightMode) {
            value |= bit;
        } else {
            value &= ~bit;
        }
        meizuFlags.setInt(lp, value);
        window.setAttributes(lp);
        changed = true;
    } catch (Exception ignored) {
    }

    if (!changed && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        int visibility = window.getDecorView().getSystemUiVisibility();
        if (lightMode) {
            visibility |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
        } else {
            visibility &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
        }
        window.getDecorView().setSystemUiVisibility(visibility);
    }
}

From source file:com.cardvlaue.sys.util.ScreenUtil.java

/**
 * ???Flyme4.0 ???Flyme/*from w  ww  .  j  av a 2 s.com*/
 *
 * @param window ??
 * @param dark ????
 * @return boolean ?true
 */
public static boolean FlymeSetStatusBarLightMode(Window window, boolean dark) {
    boolean result = false;
    if (window != null) {
        try {
            WindowManager.LayoutParams lp = window.getAttributes();
            Field darkFlag = WindowManager.LayoutParams.class
                    .getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON");
            Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField("meizuFlags");
            darkFlag.setAccessible(true);
            meizuFlags.setAccessible(true);
            int bit = darkFlag.getInt(null);
            int value = meizuFlags.getInt(lp);
            if (dark) {
                value |= bit;
            } else {
                value &= ~bit;
            }
            meizuFlags.setInt(lp, value);
            window.setAttributes(lp);
            result = true;
        } catch (Exception e) {
            // e.printStackTrace();
        }
    }
    return result;
}

From source file:com.vk.sdk.api.model.ParseUtils.java

/**
* Parses object with follow rules://from  w  w  w .ja  v  a 2s  .c o m
*
* 1. All fields should had a public access.
* 2. The name of the filed should be fully equal to name of JSONObject key.
* 3. Supports parse of all Java primitives, all {@link String},
* arrays of primitive types, {@link String}s and {@link com.vk.sdk.api.model.VKApiModel}s,
* list implementation line {@link com.vk.sdk.api.model.VKList}, {@link com.vk.sdk.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdk.api.model.VKPhotoSizes},
* {@link com.vk.sdk.api.model.VKApiModel}s.
*
* 4. Boolean fields defines by vk_int == 1 expression.
* @param object object to initialize
* @param source data to read values
* @return initialized according with given data object
* @throws JSONException if source object structure is invalid
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            // ?????????? ???????:
            // ?? ?? ????????, ?? ? ????????? ???????? getFields() ???????? ??? ???.
            // ?????? ? ??????? ???????????, ????????? ?? ? ????????, ?????? Android ? ???????? ????????? ??????????.
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:org.flycraft.vkontakteapi.model.ParseUtils.java

/**
 * Parses object with follow rules:/*from   w ww .  j a  v  a  2 s .  c  o m*/
 * <p/>
 * 1. All fields should had a public access.
 * 2. The name of the filed should be fully equal to name of JSONObject key.
 * 3. Supports parse of all Java primitives, all {@link java.lang.String},
 * arrays of primitive types, {@link java.lang.String}s and {@link org.flycraft.vkontakteapi.model.VKApiModel}s,
 * list implementation line {@link org.flycraft.vkontakteapi.model.VKList}, {@link org.flycraft.vkontakteapi.model.VKAttachments.VKApiAttachment} or {@link org.flycraft.vkontakteapi.model.VKPhotoSizes},
 * {@link org.flycraft.vkontakteapi.model.VKApiModel}s.
 * <p/>
 * 4. Boolean fields defines by vk_int == 1 expression.
 *
 * @param object object to initialize
 * @param source data to read values
 * @param <T>    type of result
 * @return initialized according with given data object
 * @throws JSONException if source object structure is invalid
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            //  ?:
            //   ,     getFields()   .
            //  ? ? ?,   ? ?,  Android  ?  .
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:com.vk.sdkweb.api.model.ParseUtils.java

/**
 * Parses object with follow rules:/*from w  w w . j a  v  a  2 s.  co  m*/
 *
 * 1. All fields should had a public access.
 * 2. The name of the filed should be fully equal to name of JSONObject key.
 * 3. Supports parse of all Java primitives, all {@link java.lang.String},
 *  arrays of primitive types, {@link java.lang.String}s and {@link com.vk.sdkweb.api.model.VKApiModel}s,
 *  list implementation line {@link com.vk.sdkweb.api.model.VKList}, {@link com.vk.sdkweb.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdkweb.api.model.VKPhotoSizes},
 *  {@link com.vk.sdkweb.api.model.VKApiModel}s.
 *
 * 4. Boolean fields defines by vk_int == 1 expression.
 *
 * @param object object to initialize
 * @param source data to read values
 * @param <T> type of result
 * @return initialized according with given data object
 * @throws JSONException if source object structure is invalid
 */
@SuppressWarnings("rawtypes")
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            //  ?:
            //   ,     getFields()   .
            //  ? ? ?,   ? ?,  Android  ?  .
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:android.reflect.ClazzLoader.java

/**
 * ????//w  w w  .j a va2 s.  co m
 */
public static <O, V> void setFieldValue(O o, Field field, V v) {
    if (field != null) {
        try {
            field.setAccessible(true);

            if (v == null) {
                field.set(o, null);
            } else {
                Class<?> vType = v.getClass();
                if (vType == Integer.TYPE) {
                    field.setInt(o, (Integer) v);
                } else if (vType == Long.TYPE) {
                    field.setLong(o, (Long) v);
                } else if (vType == Boolean.TYPE) {
                    field.setBoolean(o, (Boolean) v);
                } else if (vType == Float.TYPE) {
                    field.setFloat(o, (Float) v);
                } else if (vType == Short.TYPE) {
                    field.setShort(o, (Short) v);
                } else if (vType == Byte.TYPE) {
                    field.setByte(o, (Byte) v);
                } else if (vType == Double.TYPE) {
                    field.setDouble(o, (Double) v);
                } else if (vType == Character.TYPE) {
                    field.setChar(o, (Character) v);
                } else {
                    field.set(o, v);
                }
            }
        } catch (Throwable t) {
            Log.e(TAG, t);
        }
    }
}

From source file:jef.tools.security.EncrypterUtil.java

/**
 * ???/*w w w  .j av  a  2s.  com*/
 * @return
 */
public static boolean removeCryptographyRestrictions() {
    if (!isRestrictedCryptography()) {
        return false;
    }
    try {
        /*
         * Do the following, but with reflection to bypass access checks:
         * 
         * JceSecurity.isRestricted = false;
         * JceSecurity.defaultPolicy.perms.clear();
         * JceSecurity.defaultPolicy.add(CryptoAllPermission.INSTANCE);
         */
        final Class<?> jceSecurity = Class.forName("javax.crypto.JceSecurity");
        final Class<?> cryptoPermissions = Class.forName("javax.crypto.CryptoPermissions");
        final Class<?> cryptoAllPermission = Class.forName("javax.crypto.CryptoAllPermission");

        final Field isRestrictedField = jceSecurity.getDeclaredField("isRestricted");
        isRestrictedField.setAccessible(true);
        final Field modifiersField = Field.class.getDeclaredField("modifiers");
        modifiersField.setAccessible(true);
        modifiersField.setInt(isRestrictedField, isRestrictedField.getModifiers() & ~Modifier.FINAL);
        isRestrictedField.set(null, false);

        final Field defaultPolicyField = jceSecurity.getDeclaredField("defaultPolicy");
        defaultPolicyField.setAccessible(true);
        final PermissionCollection defaultPolicy = (PermissionCollection) defaultPolicyField.get(null);

        final Field perms = cryptoPermissions.getDeclaredField("perms");
        perms.setAccessible(true);
        ((Map<?, ?>) perms.get(defaultPolicy)).clear();

        final Field instance = cryptoAllPermission.getDeclaredField("INSTANCE");
        instance.setAccessible(true);
        defaultPolicy.add((Permission) instance.get(null));
        return true;
    } catch (final Exception e) {
        LogUtil.error("Failed to remove cryptography restrictions", e);
        return false;
    }
}

From source file:org.apache.openjpa.enhance.Reflection.java

/**
 * Set the value of the given field in the given object.
 *///from  ww  w . java 2  s  .  c  om
public static void set(Object target, Field field, int value) {
    if (target == null || field == null)
        return;
    makeAccessible(field, field.getModifiers());
    try {
        field.setInt(target, value);
    } catch (Throwable t) {
        throw wrapReflectionException(t, _loc.get("set-field", new Object[] { target, field, value, "int" }));
    }
}

From source file:org.acoveo.tools.Reflection.java

/**
 * Set the value of the given field in the given object.
 *//*from ww w.j ava  2  s.  c o  m*/
public static void set(Object target, Field field, int value) {
    if (target == null || field == null)
        return;
    makeAccessible(field, field.getModifiers());
    try {
        field.setInt(target, value);
    } catch (Throwable t) {
        throw wrapReflectionException(t);
    }
}

From source file:org.opendaylight.sxp.route.core.RoutingServiceFactoryTest.java

private void changeOsIsLinuxField(final boolean mockedOsName)
        throws NoSuchFieldException, IllegalAccessException {
    final Field osNameField = SystemUtils.class.getDeclaredField("IS_OS_LINUX");
    osNameField.setAccessible(true);//w w w .j  a  va 2 s .c  om
    Field modifiers = osNameField.getClass().getDeclaredField("modifiers");
    modifiers.setAccessible(true);
    modifiers.setInt(osNameField, osNameField.getModifiers() & ~Modifier.FINAL);
    osNameField.set(null, mockedOsName);
}