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:com.assignment4.productdetails.java

@POST
@Path("/products")
@Consumes(MediaType.APPLICATION_JSON)//from  ww w  .j  av  a2  s . co m
@Produces(MediaType.TEXT_PLAIN)
public String postProduct(String string) throws SQLException {
    JsonParser parse = Json.createParser(new StringReader(string));
    Map<String, String> pdtmap = new LinkedHashMap<String, String>();
    String key = "";
    String value = "";

    while (parse.hasNext()) {
        JsonParser.Event event = parse.next();
        switch (event) {
        case KEY_NAME:
            key = parse.getString();
            break;
        case VALUE_STRING:
            value = parse.getString();
            pdtmap.put(key, value);
            break;
        case VALUE_NUMBER:
            value = parse.getString();
            pdtmap.put(key, value);
            break;
        default:
            break;
        }
    }
    if (conn == null) {
        return "Not able to  connect";
    } else {
        String query = "INSERT INTO products (product_id,name,decription,quantity) VALUES (?,?,?)";
        PreparedStatement prestmt = conn.prepareStatement(query);
        prestmt.setInt(1, Integer.parseInt(pdtmap.get("product_id")));
        prestmt.setString(2, pdtmap.get("name"));
        prestmt.setString(3, pdtmap.get("description"));
        prestmt.setInt(4, Integer.parseInt(pdtmap.get("quantity")));
        prestmt.executeUpdate();
        return " the row has been inserted into the database";
    }

}

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From source file:com.seniorproject.semanticweb.services.WebServices.java

public String generateSparqlForAddProperty(String category, String property, String selectedValues) {
    String iri = getIRI(category);
    String queryString = "SELECT ?value ?label WHERE { ";
    queryString += "?subject rdf:type " + iri + " . ";
    if (selectedValues.length() > 0) {
        JsonParser parser = Json.createParser(new StringReader(selectedValues));

        Event event = parser.next();// START_OBJECT
        while ((event = parser.next()) != Event.END_OBJECT) {
            if (parser.getString().substring(0, 2).equalsIgnoreCase("is")) {

                String[] parts = parser.getString().split(" ");
                event = parser.next();/*from www.  j a va2 s. com*/
                queryString += convertToNoPrefix(parser.getString()) + " " + parts[1] + " ?subject .";
            } else {
                queryString += "?subject " + parser.getString() + " ";
                event = parser.next();
                queryString += convertToNoPrefix(parser.getString()) + ". ";
            }
        }
    }
    if (property.substring(0, 2).equalsIgnoreCase("is")) {
        String[] parts = property.split(" ");
        queryString += "?value " + parts[1] + " ?subject . ";
    } else {
        queryString += "?subject " + property + " ?value . ";
    }
    queryString += "OPTIONAL {?value rdfs:label ?label. }} ";
    return queryString;
}

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