Java Code Examples for java.lang.reflect.Field#setByte()

The following examples show how to use java.lang.reflect.Field#setByte() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ReflectUtils.java    From zkdoctor with Apache License 2.0 6 votes vote down vote up
/**
 * 设置指定类的field值
 *
 * @param clazz 类
 * @param field field
 * @param value 值
 * @throws IllegalArgumentException
 * @throws IllegalAccessException
 */
public static void setField(Class<?> clazz, Field field, Object value)
        throws IllegalArgumentException, IllegalAccessException {
    Class<?> fieldType = field.getType();
    if (int.class.equals(fieldType)) {
        field.setInt(clazz, Integer.parseInt(String.valueOf(value)));
    } else if (boolean.class.equals(fieldType)) {
        field.setBoolean(clazz, Boolean.parseBoolean(String.valueOf(value)));
    } else if (byte.class.equals(fieldType)) {
        field.setByte(clazz, Byte.parseByte(String.valueOf(value)));
    } else if (double.class.equals(fieldType)) {
        field.setDouble(clazz, Double.parseDouble(String.valueOf(value)));
    } else if (float.class.equals(fieldType)) {
        field.setFloat(clazz, Float.parseFloat(String.valueOf(value)));
    } else if (long.class.equals(fieldType)) {
        field.setLong(clazz, Long.parseLong(String.valueOf(value)));
    } else if (short.class.equals(fieldType)) {
        field.setShort(clazz, Short.parseShort(String.valueOf(value)));
    } else if (char.class.equals(fieldType) && value instanceof Character) {
        field.setChar(clazz, (Character) value);
    } else {
        field.set(clazz, value);
    }
}
 
Example 2
Source File: SnapshotCaptor.java    From json-snapshot.github.io with MIT License 6 votes vote down vote up
public Object removeIgnored(Object value) {
  Object newValue = value;
  if (ignore != null && ignore.length > 0) {
    newValue = shallowCopy(value);
    for (String each : ignore) {
      try {
        Field field = this.argumentClass.getDeclaredField(each);
        field.setAccessible(true);
        if (field.getType().isPrimitive()) {
          field.setByte(newValue, Integer.valueOf(0).byteValue());
        } else {
          field.set(newValue, null);
        }
      } catch (IllegalAccessException | NoSuchFieldException e) {
        throw new SnapshotMatchException("Invalid Ignore value " + each, e.getCause());
      }
    }
  }
  return newValue;
}
 
Example 3
Source File: TestInstanceCloneUtils.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up
void setVal(Field f, int i) {
    try {
        if (f.getType() == int.class) {
            f.setInt(this, i);
            return;
        } else if (f.getType() == short.class) {
            f.setShort(this, (short)i);
            return;
        } else if (f.getType() == byte.class) {
            f.setByte(this, (byte)i);
            return;
        } else if (f.getType() == long.class) {
            f.setLong(this, i);
            return;
        }
    } catch(IllegalAccessException iae) {
        throw new RuntimeException("Getting fields failed");
    }
    throw new RuntimeException("unexpected field type");
}
 
Example 4
Source File: FieldUtil.java    From android-lite-orm with Apache License 2.0 6 votes vote down vote up
public static void setNumber(Object o, Field field, long n) throws IllegalAccessException {
    field.setAccessible(true);
    Class claxx = field.getType();
    if (claxx == long.class) {
        field.setLong(o, n);
    } else if (claxx == int.class) {
        field.setInt(o, (int) n);
    } else if (claxx == short.class) {
        field.setShort(o, (short) n);
    } else if (claxx == byte.class) {
        field.setByte(o, (byte) n);
    } else if (claxx == Long.class) {
        field.set(o, new Long(n));
    } else if (claxx == Integer.class) {
        field.set(o, new Integer((int) n));
    } else if (claxx == Short.class) {
        field.set(o, new Short((short) n));
    } else if (claxx == Byte.class) {
        field.set(o, new Byte((byte) n));
    } else {
        throw new RuntimeException("field is not a number class");
    }
}
 
Example 5
Source File: StaticSet.java    From radon with GNU General Public License v3.0 5 votes vote down vote up
@Override
public void handle(VM vm, Object[] operands) throws Exception {
    String ownerName = (String) operands[0];
    String name = (String) operands[1];
    String typeName = (String) operands[2];

    Class clazz = VM.getClazz(ownerName);
    Class type = VM.getClazz(typeName);
    Field field = VM.getField(clazz, name, type);

    if (field == null)
        throw new VMException();

    JWrapper value = vm.pop();

    if (value instanceof JTop)
        value = vm.pop();

    if ("int".equals(ownerName))
        field.setInt(null, value.asInt());
    else if ("long".equals(ownerName))
        field.setLong(null, value.asLong());
    else if ("float".equals(ownerName))
        field.setFloat(null, value.asFloat());
    else if ("double".equals(ownerName))
        field.setDouble(null, value.asDouble());
    else if ("byte".equals(ownerName))
        field.setByte(null, value.asByte());
    else if ("short".equals(ownerName))
        field.setShort(null, value.asShort());
    else if ("char".equals(ownerName))
        field.setChar(null, value.asChar());
    else if ("boolean".equals(ownerName))
        field.setBoolean(null, value.asBool());
    else
        field.set(null, value.asObj());
}
 
Example 6
Source File: VirtSet.java    From radon with GNU General Public License v3.0 5 votes vote down vote up
@Override
public void handle(VM vm, Object[] operands) throws Exception {
    String ownerName = (String) operands[0];
    String name = (String) operands[1];
    String typeName = (String) operands[2];

    Class clazz = VM.getClazz(ownerName);
    Class type = VM.getClazz(typeName);
    Field field = VM.getField(clazz, name, type);

    if (field == null)
        throw new VMException();

    JWrapper value = vm.pop();

    if (value instanceof JTop)
        value = vm.pop();

    Object ref = vm.pop().asObj();

    if ("int".equals(ownerName))
        field.setInt(ref, value.asInt());
    else if ("long".equals(ownerName))
        field.setLong(ref, value.asLong());
    else if ("float".equals(ownerName))
        field.setFloat(ref, value.asFloat());
    else if ("double".equals(ownerName))
        field.setDouble(ref, value.asDouble());
    else if ("byte".equals(ownerName))
        field.setByte(ref, value.asByte());
    else if ("short".equals(ownerName))
        field.setShort(ref, value.asShort());
    else if ("char".equals(ownerName))
        field.setChar(ref, value.asChar());
    else if ("boolean".equals(ownerName))
        field.setBoolean(ref, value.asBool());
    else
        field.set(ref, value.asObj());
}
 
Example 7
Source File: ConfigCommandUtils.java    From Valkyrien-Skies with Apache License 2.0 5 votes vote down vote up
/**
 * Sets a field from a string. It only supports fields where {@link
 * ConfigCommandUtils#isSupportedType(Class)} for {@link Field#getType()}
 *
 * @param string The string to set the field's value to
 * @param field  The field to set
 * @param object The object upon which to set the field
 */
public static void setFieldFromString(String string, Field field, @Nullable Object object) {
    if (!isSupportedType(field.getType())) {
        throw new IllegalArgumentException("Unsupported field type");
    }
    try {
        if (field.getType() == int.class) {
            field.setInt(object, Integer.parseInt(string));
        } else if (field.getType() == double.class) {
            field.setDouble(object, Double.parseDouble(string));
        } else if (field.getType() == float.class) {
            field.setFloat(object, Float.parseFloat(string));
        } else if (field.getType() == boolean.class) {
            field.setBoolean(object, Boolean.parseBoolean(string));
        } else if (field.getType() == byte.class) {
            field.setByte(object, Byte.parseByte(string));
        } else if (field.getType() == long.class) {
            field.setLong(object, Long.parseLong(string));
        } else if (field.getType() == short.class) {
            field.setShort(object, Short.parseShort(string));
        } else if (field.getType() == char.class) {
            field.setChar(object, string.charAt(0));
        } else if (field.getType() == String.class) {
            field.set(object, string);
        }
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}
 
Example 8
Source File: PGUtils.java    From ParcelableGenerator with MIT License 5 votes vote down vote up
private static void readValue(Parcel source, Field field, Object target) {
    try {
        if (!checkSerializable(field)) {
            return;
        }
        field.setAccessible(true);
        if (field.getType().equals(int.class)) {
            field.setInt(target, source.readInt());
        } else if (field.getType().equals(double.class)) {
            field.setDouble(target, source.readDouble());
        } else if (field.getType().equals(float.class)) {
            field.setFloat(target, source.readFloat());
        } else if (field.getType().equals(long.class)) {
            field.setLong(target, source.readLong());
        } else if (field.getType().equals(boolean.class)) {
            field.setBoolean(target, source.readInt() != 0);
        } else if (field.getType().equals(char.class)) {
            field.setChar(target, (char) source.readInt());
        } else if (field.getType().equals(byte.class)) {
            field.setByte(target, source.readByte());
        } else if (field.getType().equals(short.class)) {
            field.setShort(target, (short) source.readInt());
        } else {
            field.set(target,
                    source.readValue(target.getClass().getClassLoader()));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 
Example 9
Source File: ArgParser.java    From pacaya with Apache License 2.0 5 votes vote down vote up
@SuppressWarnings({ "unchecked", "rawtypes" })
private static void setField(Object obj, Field field, String value) throws IllegalArgumentException,
        IllegalAccessException {
    Class<?> type = field.getType();
    if (type.equals(Boolean.TYPE)) {
        field.setBoolean(obj, Boolean.parseBoolean(value));
    } else if (type.equals(Byte.TYPE)) {
        field.setByte(obj, Byte.parseByte(value));
    } else if (type.equals(Character.TYPE)) {
        field.setChar(obj, parseChar(value));
    } else if (type.equals(Double.TYPE)) {
        field.setDouble(obj, Double.parseDouble(value));
    } else if (type.equals(Float.TYPE)) {
        field.setFloat(obj, Float.parseFloat(value));
    } else if (type.equals(Integer.TYPE)) {
        field.setInt(obj, safeStrToInt(value));
    } else if (type.equals(Long.TYPE)) {
        field.setLong(obj, Long.parseLong(value));
    } else if (type.equals(Short.TYPE)) {
        field.setShort(obj, Short.parseShort(value));
    } else if (type.isEnum()) {
        field.set(obj, Enum.valueOf((Class<Enum>) field.getType(), value));
    } else if (type.equals(String.class)) {
        field.set(obj, value);
    } else if (type.equals(File.class)) {
        field.set(obj, new File(value));
    } else if (type.equals(Date.class)) {
        DateFormat df = new SimpleDateFormat("MM-dd-yy.hh:mma");
        try {
            field.set(obj, df.parse(value));
        } catch (java.text.ParseException e) {
            throw new RuntimeException(e);
        }
    } else {
        throw new RuntimeException("Field type not supported: " + type.getName());
    }
}
 
Example 10
Source File: ExcelReader.java    From azeroth with Apache License 2.0 4 votes vote down vote up
private void getCellValue(Cell cell, Object o, Field field) throws IllegalAccessException, ParseException {
    LOG.debug("cell:{}, field:{}, type:{}", cell.getCellTypeEnum(), field.getName(), field.getType().getName());
    switch (cell.getCellTypeEnum()) {
        case BLANK:
            break;
        case BOOLEAN:
            field.setBoolean(o, cell.getBooleanCellValue());
            break;
        case ERROR:
            field.setByte(o, cell.getErrorCellValue());
            break;
        case FORMULA:
            field.set(o, cell.getCellFormula());
            break;
        case NUMERIC:
            if (DateUtil.isCellDateFormatted(cell)) {
                if (field.getType().getName().equals(Date.class.getName())) {
                    field.set(o, cell.getDateCellValue());
                } else {
                    field.set(o, format.format(cell.getDateCellValue()));
                }
            } else {
                if (field.getType().isAssignableFrom(Integer.class) || field.getType().getName().equals("int")) {
                    field.setInt(o, (int) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Short.class) || field.getType().getName().equals("short")) {
                    field.setShort(o, (short) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Float.class) || field.getType().getName().equals("float")) {
                    field.setFloat(o, (float) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Byte.class) || field.getType().getName().equals("byte")) {
                    field.setByte(o, (byte) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Double.class) || field.getType().getName().equals("double")) {
                    field.setDouble(o, cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(String.class)) {
                    String s = String.valueOf(cell.getNumericCellValue());
                    if (s.contains("E")) {
                        s = s.trim();
                        BigDecimal bigDecimal = new BigDecimal(s);
                        s = bigDecimal.toPlainString();
                    }
                    //防止整数判定为浮点数
                    if (s.endsWith(".0")) { s = s.substring(0, s.indexOf(".0")); }
                    field.set(o, s);
                } else {
                    field.set(o, cell.getNumericCellValue());
                }
            }
            break;
        case STRING:
            if (field.getType().getName().equals(Date.class.getName())) {
                field.set(o, format.parse(cell.getRichStringCellValue().getString()));
            } else {
                field.set(o, cell.getRichStringCellValue().getString());
            }
            break;
        default:
            field.set(o, cell.getStringCellValue());
            break;
    }
}
 
Example 11
Source File: ExcelReader.java    From jeesuite-libs with Apache License 2.0 4 votes vote down vote up
private void getCellValue(Cell cell, Object o, Field field) throws IllegalAccessException, ParseException {
    LOG.debug("cell:{}, field:{}, type:{}", cell.getCellTypeEnum(), field.getName(), field.getType().getName());
    switch (cell.getCellTypeEnum()) {
        case BLANK:
            break;
        case BOOLEAN:
            field.setBoolean(o, cell.getBooleanCellValue());
            break;
        case ERROR:
            field.setByte(o, cell.getErrorCellValue());
            break;
        case FORMULA:
            field.set(o, cell.getCellFormula());
            break;
        case NUMERIC:
            if (DateUtil.isCellDateFormatted(cell)) {
                if (field.getType().getName().equals(Date.class.getName())) {
                    field.set(o, cell.getDateCellValue());
                } else {
                    field.set(o, format.format(cell.getDateCellValue()));
                }
            } else {
                if (field.getType().isAssignableFrom(Integer.class) || field.getType().getName().equals("int")) {
                    field.setInt(o, (int) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Short.class) || field.getType().getName().equals("short")) {
                    field.setShort(o, (short) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Float.class) || field.getType().getName().equals("float")) {
                    field.setFloat(o, (float) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Byte.class) || field.getType().getName().equals("byte")) {
                    field.setByte(o, (byte) cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(Double.class) || field.getType().getName().equals("double")) {
                    field.setDouble(o, cell.getNumericCellValue());
                } else if (field.getType().isAssignableFrom(String.class)) {
                    String s = String.valueOf(cell.getNumericCellValue());
                    if (s.contains("E")) {
                        s = s.trim();
                        BigDecimal bigDecimal = new BigDecimal(s);
                        s = bigDecimal.toPlainString();
                    }
                    //防止整数判定为浮点数
                    if (s.endsWith(".0"))
                        s = s.substring(0, s.indexOf(".0"));
                    field.set(o, s);
                } else {
                    field.set(o, cell.getNumericCellValue());
                }
            }
            break;
        case STRING:
            if (field.getType().getName().equals(Date.class.getName())) {
                field.set(o, format.parse(cell.getRichStringCellValue().getString()));
            } else {
                field.set(o, cell.getRichStringCellValue().getString());
            }
            break;
        default:
            field.set(o, cell.getStringCellValue());
            break;
    }
}
 
Example 12
Source File: FieldTest.java    From j2objc with Apache License 2.0 4 votes vote down vote up
void setField(char primitiveType, Object o, Field f,
        Class expected, Object value) {
    try {
        primitiveType = Character.toUpperCase(primitiveType);
        switch (primitiveType) {
        case 'I': // int
            f.setInt(o, ((Integer) value).intValue());
            break;
        case 'J': // long
            f.setLong(o, ((Long) value).longValue());
            break;
        case 'Z': // boolean
            f.setBoolean(o, ((Boolean) value).booleanValue());
            break;
        case 'S': // short
            f.setShort(o, ((Short) value).shortValue());
            break;
        case 'B': // byte
            f.setByte(o, ((Byte) value).byteValue());
            break;
        case 'C': // char
            f.setChar(o, ((Character) value).charValue());
            break;
        case 'D': // double
            f.setDouble(o, ((Double) value).doubleValue());
            break;
        case 'F': // float
            f.setFloat(o, ((Float) value).floatValue());
            break;
        default:
            f.set(o, value);
        }
        // Since 2011, members are always accessible and throwing is optional
        assertTrue("expected " + expected + " for " + f.getName() + " = " + value,
                expected == null || expected == IllegalAccessException.class);
    } catch (Exception e) {
        if (expected == null) {
            e.printStackTrace();
            fail("unexpected exception " + e + " for field "
                    + f.getName() + ", value " + value);
        } else {
            assertTrue("expected exception "
                    + expected.getName() + " and got " + e
                    + " for field " + f.getName() + ", value " + value,
                    e.getClass().equals(expected));
        }
    }
}
 
Example 13
Source File: InstanceStateManager.java    From AndroidCommons with Apache License 2.0 4 votes vote down vote up
private static void setInstanceValue(@NonNull Field field, @NonNull Object obj,
        @NonNull Bundle bundle, @NonNull String key, boolean isGson)
        throws IllegalArgumentException, IllegalAccessException {

    if (isGson) {
        field.set(obj, GsonHelper.fromJson(bundle.getString(key), field.getGenericType()));
        return;
    }

    Class<?> type = field.getType();

    Type[] genericTypes = null;
    if (field.getGenericType() instanceof ParameterizedType) {
        genericTypes = ((ParameterizedType) field.getGenericType()).getActualTypeArguments();
    }

    if (type.equals(Boolean.TYPE)) {
        field.setBoolean(obj, bundle.getBoolean(key));

    } else if (type.equals(boolean[].class)) {
        field.set(obj, bundle.getBooleanArray(key));

    } else if (type.equals(Bundle.class)) {
        field.set(obj, bundle.getBundle(key));

    } else if (type.equals(Byte.TYPE)) {
        field.setByte(obj, bundle.getByte(key));

    } else if (type.equals(byte[].class)) {
        field.set(obj, bundle.getByteArray(key));

    } else if (type.equals(Character.TYPE)) {
        field.setChar(obj, bundle.getChar(key));

    } else if (type.equals(char[].class)) {
        field.set(obj, bundle.getCharArray(key));

    } else if (type.equals(CharSequence.class)) {
        field.set(obj, bundle.getCharSequence(key));

    } else if (type.equals(CharSequence[].class)) {
        field.set(obj, bundle.getCharSequenceArray(key));

    } else if (type.equals(Double.TYPE)) {
        field.setDouble(obj, bundle.getDouble(key));

    } else if (type.equals(double[].class)) {
        field.set(obj, bundle.getDoubleArray(key));

    } else if (type.equals(Float.TYPE)) {
        field.setFloat(obj, bundle.getFloat(key));

    } else if (type.equals(float[].class)) {
        field.set(obj, bundle.getFloatArray(key));

    } else if (type.equals(Integer.TYPE)) {
        field.setInt(obj, bundle.getInt(key));

    } else if (type.equals(int[].class)) {
        field.set(obj, bundle.getIntArray(key));

    } else if (type.equals(Long.TYPE)) {
        field.setLong(obj, bundle.getLong(key));

    } else if (type.equals(long[].class)) {
        field.set(obj, bundle.getLongArray(key));

    } else if (type.equals(Short.TYPE)) {
        field.setShort(obj, bundle.getShort(key));

    } else if (type.equals(short[].class)) {
        field.set(obj, bundle.getShortArray(key));

    } else if (type.equals(String.class)) {
        field.set(obj, bundle.getString(key));

    } else if (type.equals(String[].class)) {
        field.set(obj, bundle.getStringArray(key));

    } else if (Parcelable.class.isAssignableFrom(type)) {
        field.set(obj, bundle.getParcelable(key));

    } else if (type.equals(ArrayList.class)
            && genericTypes != null
            && genericTypes[0] instanceof Class
            && Parcelable.class.isAssignableFrom((Class<?>) genericTypes[0])) {
        field.set(obj, bundle.getParcelableArrayList(key));

    } else if (type.isArray() && Parcelable.class.isAssignableFrom(type.getComponentType())) {
        field.set(obj, bundle.getParcelableArray(key));

    } else if (Serializable.class.isAssignableFrom(type)) {
        field.set(obj, bundle.getSerializable(key));

    } else {
        throw new RuntimeException("Unsupported field type: " + field.getName()
                + ", " + type.getSimpleName());
    }

    bundle.remove(key);
}