Example usage for javax.json.stream JsonParser next

Introduction

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

Prototype

Event next();

Source Link

Document

Returns the event for the next parsing state.

Usage

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

private static Object parseObject(JsonParser parser, BeanManager manager) {
    Event evt;/*from   w w  w  . j  ava 2  s .  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();
}

---

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

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

    Event evt;//ww w . j av  a  2s .  com
    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();
}

---

From source file:ASSINGMENT4.ServletProducts.java

@POST
@Consumes("application/json")
public void doPost(String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> mapKeyValue = new HashMap<>();
    String key = "", val;
    while (parser.hasNext()) {
        JsonParser.Event evt = parser.next();
        switch (evt) {
        case KEY_NAME:
            key = parser.getString();/*  ww w  . ja  v a 2 s.  c o m*/
            break;
        case VALUE_STRING:
            val = parser.getString();
            mapKeyValue.put(key, val);
            break;
        case VALUE_NUMBER:
            val = Integer.toString(parser.getInt());
            mapKeyValue.put(key, val);
            break;
        }
    }
    System.out.println(mapKeyValue);
    doPostOrPutOrDelete("INSERT INTO product (product_name,description, quantity) VALUES ( ?, ?, ?)",
            mapKeyValue.get("product_name"), mapKeyValue.get("description"), mapKeyValue.get("quantity"));
}

---

From source file:ASSINGMENT4.ServletProducts.java

@PUT
@Path("{product_id}")
@Consumes("application/json")
public void doPut(@PathParam("product_id") String id, String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> mapKayValue = new HashMap<>();
    String key = "", val;
    while (parser.hasNext()) {
        JsonParser.Event evt = parser.next();
        switch (evt) {
        case KEY_NAME:
            key = parser.getString();//from   w  w w.  j a v a2  s.  c  om
            break;
        case VALUE_STRING:
            val = parser.getString();
            mapKayValue.put(key, val);
            break;
        case VALUE_NUMBER:
            val = parser.getString();
            mapKayValue.put(key, val);
            break;
        }
    }
    System.out.println(mapKayValue);
    doPostOrPutOrDelete("UPDATE PRODUCT SET name = ?, description = ?, quantity = ? WHERE product_id = ?",
            mapKayValue.get("product_name"), mapKayValue.get("description"), mapKayValue.get("quantity"), id);

}

---

From source file:com.assignment.Product.java

@POST
@Consumes("application/json")
public void doPost(String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> mapKeyValue = new HashMap<>();
    String key = "", val;
    while (parser.hasNext()) {
        JsonParser.Event evt = parser.next();
        switch (evt) {
        case KEY_NAME:
            key = parser.getString();//from   w  ww. j  a  va  2 s  . c  o  m
            break;
        case VALUE_STRING:
            val = parser.getString();
            mapKeyValue.put(key, val);
            break;
        case VALUE_NUMBER:
            val = Integer.toString(parser.getInt());
            mapKeyValue.put(key, val);
            break;
        }
    }
    System.out.println(mapKeyValue);
    doPostOrPutOrDelete("INSERT INTO products (name, description, quantity) VALUES ( ?, ?, ?)",
            mapKeyValue.get("name"), mapKeyValue.get("description"), mapKeyValue.get("quantity"));
}

---

From source file:com.assignment.Product.java

@PUT
@Path("{id}")
@Consumes("application/json")
public void doPut(@PathParam("id") String id, String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> mapKayValue = new HashMap<>();
    String key = "", val;
    while (parser.hasNext()) {
        JsonParser.Event evt = parser.next();
        switch (evt) {
        case KEY_NAME:
            key = parser.getString();/*w w w  . j a v  a  2 s.  com*/
            break;
        case VALUE_STRING:
            val = parser.getString();
            mapKayValue.put(key, val);
            break;
        case VALUE_NUMBER:
            val = parser.getString();
            mapKayValue.put(key, val);
            break;
        }
    }
    System.out.println(mapKayValue);
    doPostOrPutOrDelete("UPDATE PRODUCTS SET name = ?, description = ?, quantity = ? WHERE productID = ?",
            mapKayValue.get("name"), mapKayValue.get("description"), mapKayValue.get("quantity"), id);

}

---

From source file:Servlet.product.java

@POST
@Consumes("application/json")
public void doPost(String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> map = new HashMap<>();
    String name = "", value;

    while (parser.hasNext()) {
        JsonParser.Event event = parser.next();
        switch (event) {
        case KEY_NAME:
            name = parser.getString();/*w w  w .ja va  2 s . c  o  m*/
            break;
        case VALUE_STRING:
            value = parser.getString();
            map.put(name, value);
            break;
        case VALUE_NUMBER:
            value = Integer.toString(parser.getInt());
            map.put(name, value);
            break;
        }
    }
    System.out.println(map);

    String na = map.get("name");
    String des = map.get("description");
    String qunt = map.get("quantity");

    doUpdate("INSERT INTO product (name,description,quantity)VALUES (?,?,?)", na, des, qunt);
}

---

From source file:Servlet.product.java

@PUT
@Path("{id}")
@Consumes("application/json")
public void doPut(@PathParam("id") String id, String str) {
    JsonParser parser = Json.createParser(new StringReader(str));
    Map<String, String> map = new HashMap<>();
    String name = "", value;

    while (parser.hasNext()) {
        JsonParser.Event event = parser.next();
        switch (event) {
        case KEY_NAME:
            name = parser.getString();//  w  ww.jav a 2  s  . c o m
            break;
        case VALUE_STRING:
            value = parser.getString();
            map.put(name, value);
            break;
        case VALUE_NUMBER:
            value = Integer.toString(parser.getInt());
            map.put(name, value);
            break;
        }
    }
    System.out.println(map);

    String na = map.get("name");
    String des = map.get("description");
    String qunt = map.get("quantity");

    doUpdate("update product set productID = ?, name = ?, description = ?, quantity = ? where productID = ?",
            id, na, des, qunt, id);
}

---

From source file:servlets.SampleServlet.java

@POST
@Consumes("application/json")
public void doPost(String st) {
    JsonParser parser = Json.createParser(new StringReader(st));
    Map<String, String> ad = new HashMap<>();
    String Name = "", value;

    while (parser.hasNext()) {
        JsonParser.Event e = parser.next();
        switch (e) {
        case KEY_NAME:
            Name = parser.getString();
            break;
        case VALUE_STRING:

            value = parser.getString();//from ww  w.  j  av  a 2 s.c o m
            ad.put(Name, value);
            break;
        case VALUE_NUMBER:
            value = Integer.toString(parser.getInt());
            ad.put(Name, value);
            break;
        }
    }
    System.out.println(ad);
    String Name1 = ad.get("Name");
    String Description = ad.get("Description");
    String Quantity = ad.get("Quantity");
    doUpdate("INSERT INTO PRODUCT ( Name, Description, Quantity) values ( ?, ?, ?)", Name1, Description,
            Quantity);
}

---

From source file:servlets.SampleServlet.java

@PUT
@Path("{productID}")
@Consumes("application/json")
public void doPut(@PathParam("productID") String productID, String st) {
    JsonParser parser = Json.createParser(new StringReader(st));
    Map<String, String> ad = new HashMap<>();
    String Name = "", value;
    while (parser.hasNext()) {
        JsonParser.Event e = parser.next();
        switch (e) {
        case KEY_NAME:
            Name = parser.getString();
            break;
        case VALUE_STRING:
            value = parser.getString();/*  w  w w.j  av a2 s. c om*/
            ad.put(Name, value);
            break;
        case VALUE_NUMBER:
            value = Integer.toString(parser.getInt());
            ad.put(Name, value);
            break;
        }
    }
    System.out.println(ad);

    String Name1 = ad.get("Name");
    String Description = ad.get("Description");
    String Quantity = ad.get("Quantity");
    doUpdate("UPDATE PRODUCT SET productId = ?, Name = ?, Description = ?, Quantity = ? WHERE productID = ?",
            productID, Name1, Description, Quantity, productID);

}

---

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