Example usage for java.lang Number byteValue

Introduction

In this page you can find the example usage for java.lang Number byteValue.

Prototype

public byte byteValue() 

Source Link

Document

Returns the value of the specified number as a byte .

Usage

From source file:org.objectstyle.cayenne.dataview.DataTypeSpec.java

public Object fromDataType(Class untypedValueClass, DataTypeEnum dataType, Object typedValue) {
    if (typedValue == null)
        return null;
    Class dataTypeClass = getJavaClass(dataType);
    //    Validate.isTrue(typedValue.getClass().equals(dataTypeClass));

    if (untypedValueClass == null)
        return typedValue;

    if (ClassUtils.isAssignable(dataTypeClass, untypedValueClass))
        return typedValue;

    String strTypedValue = null;//from  ww  w .jav a  2s.co  m
    boolean isStringTypedValue;
    Number numTypedValue = null;
    boolean isNumberTypedValue;
    Boolean boolTypedValue = null;
    boolean isBooleanTypedValue;
    Date dateTypedValue = null;
    boolean isDateTypedValue;

    if (isStringTypedValue = typedValue instanceof String)
        strTypedValue = (String) typedValue;
    if (isNumberTypedValue = typedValue instanceof Number)
        numTypedValue = (Number) typedValue;
    if (isBooleanTypedValue = typedValue instanceof Boolean)
        boolTypedValue = (Boolean) typedValue;
    if (isDateTypedValue = typedValue instanceof Date)
        dateTypedValue = (Date) typedValue;

    Object v = null;
    if (String.class.equals(untypedValueClass)) {
        v = ObjectUtils.toString(typedValue);
    } else if (BigDecimal.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = NumberUtils.createBigDecimal(strTypedValue);
        else if (isNumberTypedValue)
            v = new BigDecimal(numTypedValue.doubleValue());
        else if (isBooleanTypedValue)
            v = new BigDecimal(BooleanUtils.toInteger(boolTypedValue.booleanValue()));
        else if (isDateTypedValue)
            v = new BigDecimal(dateTypedValue.getTime());
    } else if (Boolean.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = BooleanUtils.toBooleanObject(strTypedValue);
        else if (isNumberTypedValue)
            v = BooleanUtils.toBooleanObject(numTypedValue.intValue());
        else if (isDateTypedValue)
            v = BooleanUtils.toBooleanObject((int) dateTypedValue.getTime());
    } else if (Byte.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = Byte.valueOf(strTypedValue);
        else if (isNumberTypedValue)
            v = new Byte(numTypedValue.byteValue());
        else if (isBooleanTypedValue)
            v = new Byte((byte) BooleanUtils.toInteger(boolTypedValue.booleanValue()));
        else if (isDateTypedValue)
            v = new Byte((byte) dateTypedValue.getTime());
    } else if (byte[].class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = strTypedValue.getBytes();
    } else if (Double.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = NumberUtils.createDouble(strTypedValue);
        else if (isNumberTypedValue)
            v = new Double(numTypedValue.doubleValue());
        else if (isBooleanTypedValue)
            v = new Double(BooleanUtils.toInteger(boolTypedValue.booleanValue()));
        else if (isDateTypedValue)
            v = new Double(dateTypedValue.getTime());
    } else if (Float.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = NumberUtils.createFloat(strTypedValue);
        else if (isNumberTypedValue)
            v = new Float(numTypedValue.floatValue());
        else if (isBooleanTypedValue)
            v = new Float(BooleanUtils.toInteger(boolTypedValue.booleanValue()));
        else if (isDateTypedValue)
            v = new Float(dateTypedValue.getTime());
    } else if (Integer.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = NumberUtils.createInteger(strTypedValue);
        else if (isNumberTypedValue)
            v = new Integer(numTypedValue.intValue());
        else if (isBooleanTypedValue)
            v = BooleanUtils.toIntegerObject(boolTypedValue.booleanValue());
        else if (isDateTypedValue)
            v = new Integer((int) dateTypedValue.getTime());
    } else if (Long.class.equals(untypedValueClass)) {
        if (isStringTypedValue)
            v = NumberUtils.createLong(strTypedValue);
        else if (isNumberTypedValue)
            v = new Long(numTypedValue.longValue());
        else if (isBooleanTypedValue)
            v = new Long(BooleanUtils.toInteger(boolTypedValue.booleanValue()));
        else if (isDateTypedValue)
            v = new Long(dateTypedValue.getTime());
    } else if (java.sql.Date.class.equals(untypedValueClass)) {
        if (isNumberTypedValue)
            v = new java.sql.Date(numTypedValue.longValue());
        else if (isDateTypedValue)
            v = new java.sql.Date(dateTypedValue.getTime());
    } else if (java.sql.Time.class.equals(untypedValueClass)) {
        if (isNumberTypedValue)
            v = new java.sql.Time(numTypedValue.longValue());
        else if (isDateTypedValue)
            v = new java.sql.Time(dateTypedValue.getTime());
    } else if (java.sql.Timestamp.class.equals(untypedValueClass)) {
        if (isNumberTypedValue)
            v = new java.sql.Timestamp(numTypedValue.longValue());
        else if (isDateTypedValue)
            v = new java.sql.Timestamp(dateTypedValue.getTime());
    } else if (Date.class.equals(untypedValueClass)) {
        if (isNumberTypedValue)
            v = new Date(numTypedValue.longValue());
    }
    return v;
}

---

From source file:org.structr.core.entity.AbstractNode.java

private Object convert(Object value, Class type) {

    Object convertedObject = null;

    if (type.equals(String.class)) {

        // strings can be returned immediately
        return value.toString();

    } else if (value instanceof Number) {

        Number number = (Number) value;

        if (type.equals(Integer.class) || type.equals(Integer.TYPE)) {
            return number.intValue();

        } else if (type.equals(Long.class) || type.equals(Long.TYPE)) {
            return number.longValue();

        } else if (type.equals(Double.class) || type.equals(Double.TYPE)) {
            return number.doubleValue();

        } else if (type.equals(Float.class) || type.equals(Float.TYPE)) {
            return number.floatValue();

        } else if (type.equals(Short.class) || type.equals(Integer.TYPE)) {
            return number.shortValue();

        } else if (type.equals(Byte.class) || type.equals(Byte.TYPE)) {
            return number.byteValue();

        }//w w w .  j  a va 2s  .  c  o m

    } else if (value instanceof List) {

        return value;

    } else if (value instanceof Map) {
        return value;
    }

    // fallback
    try {

        Method valueOf = type.getMethod("valueOf", String.class);
        if (valueOf != null) {

            convertedObject = valueOf.invoke(null, value.toString());

        } else {

            logger.log(Level.WARNING, "Unable to find static valueOf method for type {0}", type);
        }

    } catch (Throwable t) {

        logger.log(Level.WARNING,
                "Unable to deserialize value {0} of type {1}, Class has no static valueOf method.",
                new Object[] { value, type });
    }

    return convertedObject;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »