Example usage for javax.json.stream JsonParser getBigDecimal

Introduction

In this page you can find the example usage for javax.json.stream JsonParser getBigDecimal.

Prototype

BigDecimal getBigDecimal();

Source Link

Document

Returns a JSON number as a BigDecimal .

Usage

From source file:iing.uabc.edu.mx.persistencia.util.JSON.java

private static Object parseObject(JsonParser parser, BeanManager manager) {
    Event evt;//w  ww. ja v a  2s.c  o m
    String keyName = "";

    do {
        evt = parser.next();

        switch (evt) {
        case START_OBJECT:
            Class objectClass = manager.getType(keyName);
            System.out.println("Nuevo Objeto: " + objectClass.getSimpleName());
            //Create new BeanManager for the new object with its class
            BeanManager objectManager = new BeanManager(objectClass);

            Object result = parseObject(parser, objectManager);

            manager.setProperty(keyName, result);
            break;

        case START_ARRAY:
            //Get element class of the collection
            Class elementClass = manager.getCollectionElementType(keyName);

            System.out.println("Nueva Colleccion de clase: " + elementClass.getSimpleName());

            //Get collection instance from the bean
            Collection collection = (Collection) manager.getProperty(keyName);

            //Create new collection manager with the given class
            CollectionManager collectionManager = new CollectionManager(collection, elementClass);

            collection = parseArray(parser, collectionManager);

            manager.setProperty(keyName, collection);
            break;

        case KEY_NAME:
            //Get attribute name
            keyName = parser.getString();
            System.out.println("KeyName: " + keyName);
            break;

        case VALUE_FALSE:
            manager.setProperty(keyName, false);
            System.out.println("Valor " + keyName + ": " + false);
            break;

        case VALUE_NULL:
            manager.setProperty(keyName, null);
            System.out.println("Valor " + keyName + ": null");
            break;

        case VALUE_NUMBER:
            //double or int
            if (parser.isIntegralNumber()) {
                int value = parser.getInt();
                manager.setProperty(keyName, value);
                System.out.println("Valor " + keyName + ": " + value);
            } else {
                double value = parser.getBigDecimal().doubleValue();
                manager.setProperty(keyName, value);
                System.out.println("Valor " + keyName + ": " + value);
            }
            break;

        case VALUE_STRING:
            String value = parser.getString();

            //Validate if the field is of type Date
            if (manager.getType(keyName) == Date.class) {
                Calendar cal = DatatypeConverter.parseDateTime(value);
                Date date = cal.getTime();
                manager.setProperty(keyName, date);

                System.out.println("Valor " + keyName + ": " + date);
            } else {
                manager.setProperty(keyName, value);
                System.out.println("Valor " + keyName + ": " + value);
            }
            break;
        case VALUE_TRUE:
            manager.setProperty(keyName, true);
            System.out.println("Valor " + keyName + ": " + true);
            break;
        }
    } while (evt != Event.END_OBJECT);

    return manager.getBean();
}

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From source file:iing.uabc.edu.mx.persistencia.util.JSON.java

private static Collection parseArray(JsonParser parser, CollectionManager manager) {

    Event evt;/*  w ww .  j a  v a  2 s.c  o  m*/
    Class elementClass = manager.getElementClass();
    int pos = 0;

    do {
        evt = parser.next();

        switch (evt) {
        case START_OBJECT:
            //The most expected case of all in an array
            System.out.println(
                    "Nuevo Objeto: " + elementClass.getSimpleName() + " del arreglo en la pos: " + pos);

            BeanManager objectManager = new BeanManager(elementClass);

            Object result = parseObject(parser, objectManager);

            manager.addElement(result);
            pos++;

            break;

        //                case START_ARRAY:
        //                    //Only possible if array of arrays in json which is unlikely
        //                    //Also if in the pojo there is a recursive collection diferent
        //                    //from arraylist then there will be some problems.
        //                    
        ////                    System.out.println("Nueva Colleccion de clase: " + 
        ////                            elementClass.getSimpleName() + "dentro de otro "
        ////                            + "arreglo en la pos: " + pos);
        ////                    
        ////                    CollectionManager<T> collectionManager = new 
        ////                        CollectionManager<>(new ArrayList<>(), elementClass);
        ////                    
        ////                    Collection<T> collection = parseArray(parser, collectionManager);
        ////                    manager.addElement(collection);
        ////                    pos++;
        //                    break;
        //if it is an array of booleans.... but no.
        case VALUE_FALSE:
            System.out.println("Agregando false al arreglo en la pos: " + pos);

            manager.addElement(false);
            pos++;
            break;

        case VALUE_NULL:
            System.out.println("Agregando null al arreglo en la pos: " + pos);

            manager.addElement(null);
            pos++;
            break;

        case VALUE_NUMBER:
            //double or int
            if (parser.isIntegralNumber()) {
                int value = parser.getInt();
                System.out.println("Agregando " + value + " al arreglo en la pos: " + pos);

                manager.addElement(value);
                pos++;
            } else {
                double value = parser.getBigDecimal().doubleValue();
                System.out.println("Agregando " + value + " al arreglo en la pos: " + pos);

                manager.addElement(value);
                pos++;
            }
            break;

        case VALUE_STRING:
            String value = parser.getString();

            //Validate if the field is of type Date
            if (manager.getElementClass() == Date.class) {
                Calendar cal = DatatypeConverter.parseDateTime(value);
                Date date = cal.getTime();

                System.out.println("Agregando " + date + " al arreglo en la pos: " + pos);

                manager.addElement(date);
                pos++;
            } else {
                System.out.println("Agregando " + value + " al arreglo en la pos: " + pos);

                manager.addElement(value);
                pos++;
            }
            break;
        case VALUE_TRUE:
            System.out.println("Agregando true al arreglo en la pos: " + pos);

            manager.addElement(true);
            pos++;
            break;
        }
    } while (evt != Event.END_ARRAY);

    return manager.getCollection();
}

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