List of usage examples for java.lang.reflect Field setByte
@CallerSensitive @ForceInline public void setByte(Object obj, byte b) throws IllegalArgumentException, IllegalAccessException
From source file:MyClass.java
public static void main(String[] args) throws Exception { Class<?> clazz = Class.forName("MyClass"); MyClass x = (MyClass) clazz.newInstance(); Field f = clazz.getField("i"); System.out.println(f.getByte(x)); // Output: 10 f.setByte(x, (byte) 20); System.out.println(f.getByte(x)); // Output: 20 }
From source file:org.apache.openjpa.enhance.Reflection.java
/** * Set the value of the given field in the given object. *///from w w w .j ava2s . c o m public static void set(Object target, Field field, byte value) { if (target == null || field == null) return; makeAccessible(field, field.getModifiers()); try { field.setByte(target, value); } catch (Throwable t) { throw wrapReflectionException(t, _loc.get("set-field", new Object[] { target, field, value, "byte" })); } }
From source file:org.sonar.api.batch.rule.Checks.java
private static void configureField(Object check, Field field, String value) { try {// w ww . j a v a 2 s. c o m field.setAccessible(true); if (field.getType().equals(String.class)) { field.set(check, value); } else if (int.class == field.getType()) { field.setInt(check, Integer.parseInt(value)); } else if (short.class == field.getType()) { field.setShort(check, Short.parseShort(value)); } else if (long.class == field.getType()) { field.setLong(check, Long.parseLong(value)); } else if (double.class == field.getType()) { field.setDouble(check, Double.parseDouble(value)); } else if (boolean.class == field.getType()) { field.setBoolean(check, Boolean.parseBoolean(value)); } else if (byte.class == field.getType()) { field.setByte(check, Byte.parseByte(value)); } else if (Integer.class == field.getType()) { field.set(check, Integer.parseInt(value)); } else if (Long.class == field.getType()) { field.set(check, Long.parseLong(value)); } else if (Double.class == field.getType()) { field.set(check, Double.parseDouble(value)); } else if (Boolean.class == field.getType()) { field.set(check, Boolean.parseBoolean(value)); } else { throw new SonarException( "The type of the field " + field + " is not supported: " + field.getType()); } } catch (IllegalAccessException e) { throw new SonarException( "Can not set the value of the field " + field + " in the class: " + check.getClass().getName(), e); } }
From source file:org.sonar.plugins.openedge.foundation.OpenEdgeComponents.java
private static void configureField(Object check, Field field, String value) { try {/* ww w . j av a 2 s .co m*/ field.setAccessible(true); if (field.getType().equals(String.class)) { field.set(check, value); } else if (int.class == field.getType()) { field.setInt(check, Integer.parseInt(value)); } else if (short.class == field.getType()) { field.setShort(check, Short.parseShort(value)); } else if (long.class == field.getType()) { field.setLong(check, Long.parseLong(value)); } else if (double.class == field.getType()) { field.setDouble(check, Double.parseDouble(value)); } else if (boolean.class == field.getType()) { field.setBoolean(check, Boolean.parseBoolean(value)); } else if (byte.class == field.getType()) { field.setByte(check, Byte.parseByte(value)); } else if (Integer.class == field.getType()) { field.set(check, new Integer(Integer.parseInt(value))); } else if (Long.class == field.getType()) { field.set(check, new Long(Long.parseLong(value))); } else if (Double.class == field.getType()) { field.set(check, new Double(Double.parseDouble(value))); } else if (Boolean.class == field.getType()) { field.set(check, Boolean.valueOf(Boolean.parseBoolean(value))); } else { throw MessageException .of("The type of the field " + field + " is not supported: " + field.getType()); } } catch (IllegalAccessException e) { throw MessageException.of( "Can not set the value of the field " + field + " in the class: " + check.getClass().getName(), e); } }
From source file:org.acoveo.tools.Reflection.java
/** * Set the value of the given field in the given object. *//*from w ww. j a va 2 s.c o m*/ public static void set(Object target, Field field, byte value) { if (target == null || field == null) return; makeAccessible(field, field.getModifiers()); try { field.setByte(target, value); } catch (Throwable t) { throw wrapReflectionException(t); } }
From source file:com.browseengine.bobo.serialize.JSONSerializer.java
private static void loadObject(Object retObj, Field f, JSONObject jsonObj) throws JSONSerializationException { String key = f.getName();/*from w w w . ja v a 2 s . c om*/ Class type = f.getType(); try { if (type.isPrimitive()) { if (type == Integer.TYPE) { f.setInt(retObj, jsonObj.getInt(key)); } else if (type == Long.TYPE) { f.setLong(retObj, jsonObj.getInt(key)); } else if (type == Short.TYPE) { f.setShort(retObj, (short) jsonObj.getInt(key)); } else if (type == Boolean.TYPE) { f.setBoolean(retObj, jsonObj.getBoolean(key)); } else if (type == Double.TYPE) { f.setDouble(retObj, jsonObj.getDouble(key)); } else if (type == Float.TYPE) { f.setFloat(retObj, (float) jsonObj.getDouble(key)); } else if (type == Character.TYPE) { char ch = jsonObj.getString(key).charAt(0); f.setChar(retObj, ch); } else if (type == Byte.TYPE) { f.setByte(retObj, (byte) jsonObj.getInt(key)); } else { throw new JSONSerializationException("Unknown primitive: " + type); } } else if (type == String.class) { f.set(retObj, jsonObj.getString(key)); } else if (JSONSerializable.class.isAssignableFrom(type)) { JSONObject jObj = jsonObj.getJSONObject(key); JSONSerializable serObj = deSerialize(type, jObj); f.set(retObj, serObj); } } catch (Exception e) { throw new JSONSerializationException(e.getMessage(), e); } }
From source file:android.reflect.ClazzLoader.java
/** * ????/*w w w . ja va 2s . c o 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:com.vk.sdk.api.model.ParseUtils.java
/** * Parses object with follow rules://from w ww . j a v a2 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 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:// www . jav a 2 s .co 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 va 2 s . 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 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; }