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

The following are Jave code examples for showing how to use setByte() of the java.lang.reflect.Field class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
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Example 1
Project: openjdk-jdk10   File: TestInstanceCloneUtils.java   View Source Code Vote up 6 votes
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 2
Project: MagicBox   File: ByteReader.java   View Source Code Vote up 5 votes
@Override
public void read(Bundle bundle, Object to, StateField field) throws IllegalAccessException {
    Field propertyField = field.getField();
    propertyField.setAccessible(true);
    propertyField.setByte(to,bundle.getByte(field.getBundleKey()));

}
 
Example 3
Project: ETF-Java   File: ReflectionUtils.java   View Source Code Vote up 4 votes
public static void setField(Object instance, Field field, Object value) throws IllegalAccessException {
	if (value == null && field.getType().isPrimitive()) {
		return;
	}
	
	if (UNSAFE != null) {
		if (int.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putInt(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (int) value);
		} else if (long.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putLong(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (long) value);
		} else if (double.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putDouble(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (double) value);
		} else if (void.class.equals(field.getType())) {
		
		} else if (float.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putFloat(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (float) value);
		} else if (byte.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putByte(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (byte) value);
		} else if (char.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putChar(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (char) value);
		} else if (boolean.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putBoolean(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (boolean) value);
		} else if (short.class.equals(field.getType())) {
			((sun.misc.Unsafe) UNSAFE).putShort(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), (short) value);
		} else {
			((sun.misc.Unsafe) UNSAFE).putObject(instance, ((sun.misc.Unsafe) UNSAFE).objectFieldOffset(field), value);
		}
	} else { //Fallback if unsafe isn't available
		field.setAccessible(true);
		if (int.class.equals(field.getType())) {
			field.setInt(instance, (int) value);
		} else if (long.class.equals(field.getType())) {
			field.setLong(instance, (long) value);
		} else if (double.class.equals(field.getType())) {
			field.setDouble(instance, (double) value);
		} else if (void.class.equals(field.getType())) {
			
		} else if (float.class.equals(field.getType())) {
			field.setFloat(instance, (float) value);
		} else if (byte.class.equals(field.getType())) {
			field.setByte(instance, (byte) value);
		} else if (char.class.equals(field.getType())) {
			field.setChar(instance, (char) value);
		} else if (boolean.class.equals(field.getType())) {
			field.setBoolean(instance, (boolean) value);
		} else if (short.class.equals(field.getType())) {
			field.setShort(instance, (short) value);
		} else {
			field.set(instance, value);
		}
	}
}
 
Example 4
Project: VoidApi   File: SerializableConfig.java   View Source Code Vote up 4 votes
public void deserializePrimitiveField(Field f, Property prop, Object instance) throws IllegalArgumentException, IllegalAccessException
{
	switch(fromJavaPrimitiveType(f.getType()))
	{
		case INTEGER:
		{
			if (f.getType().equals(Byte.TYPE))
			{
				f.setByte(instance, (byte) prop.getInt());
			}
			
			if (f.getType().equals(Short.TYPE))
			{
				f.setShort(instance, (short) prop.getInt());
			}
			
			if (f.getType().equals(Integer.TYPE))
			{
				f.setInt(instance, prop.getInt());
			}
			
			break;
		}
		
		case DOUBLE:
		{
			if (f.getType().equals(Float.TYPE))
			{
				f.setFloat(instance, (float) prop.getDouble());
			}
			
			if (f.getType().equals(Double.TYPE))
			{
				f.setDouble(instance, prop.getDouble());
			}
			
			if (f.getType().equals(Long.TYPE))
			{
				f.setLong(instance, (long) prop.getDouble());
			}
			
			break;
		}
		
		case BOOLEAN:
		{
			f.setBoolean(instance, prop.getBoolean());
			break;
		}
		
		default:
		{
			f.set(instance, prop.getString());
		}
	}
}
 
Example 5
Project: azeroth   File: ExcelReader.java   View Source Code Vote up 4 votes
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 6
Project: polymorphia   File: MappedField.java   View Source Code Vote up 4 votes
@Override
public <T> void decodeInternal(BsonReader reader, T instance, Field field) throws IllegalAccessException {
    field.setByte(instance, (byte) reader.readInt32());
}