Example usage for javax.sql.rowset WebRowSet setUsername

List of usage examples for javax.sql.rowset WebRowSet setUsername

Introduction

In this page you can find the example usage for javax.sql.rowset WebRowSet setUsername.

Prototype

void setUsername(String name) throws SQLException;

Source Link

Document

Sets the username property for this RowSet object to the given String.

Usage

From source file:com.oracle.tutorial.jdbc.WebRowSetSample.java

public void testWebRowSet() throws SQLException, IOException {
    FileReader fReader = null;// w ww.  j  a  v a2 s  .  c  om
    FileWriter fWriter = null;
    String priceListFileName = "pricelist.xml";
    int[] keyCols = { 1 };
    WebRowSet priceList = new WebRowSetImpl();

    priceList.setUsername(settings.userName);
    priceList.setPassword(settings.password);
    priceList.setUrl(settings.urlString);
    priceList.setCommand("select COF_NAME, PRICE from COFFEES");
    priceList.setKeyColumns(keyCols);

    // Populate the WebRowSet
    priceList.execute();
    System.out.println("Size of the WebRowSet is: " + priceList.size());

    // Insert a new row
    priceList.moveToInsertRow();
    priceList.updateString("COF_NAME", "Kona");
    priceList.updateFloat("PRICE", 8.99f);
    priceList.insertRow();
    priceList.moveToCurrentRow();
    System.out.println("New row inserted");
    System.out.println("Size of the WebRowSet is: " + priceList.size());

    //Delete the row with "Espresso"
    priceList.beforeFirst();
    while (priceList.next()) {
        if (priceList.getString(1).equals("Espresso")) {
            System.out.println("Deleting row with Espresso...");
            priceList.deleteRow();
            break;
        }
    }

    // Update price of Colombian
    priceList.beforeFirst();
    while (priceList.next()) {
        if (priceList.getString(1).equals("Colombian")) {
            System.out.println("Updating row with Colombian...");
            priceList.updateFloat(2, 6.99f);
            priceList.updateRow();
            break;
        }
    }

    int size1 = priceList.size();
    fWriter = new FileWriter(priceListFileName);
    priceList.writeXml(fWriter);
    fWriter.flush();
    fWriter.close();

    // Create the receiving WebRowSet object
    WebRowSet receiver = new WebRowSetImpl();
    receiver.setUrl(settings.urlString);
    receiver.setUsername(settings.userName);
    receiver.setPassword(settings.password);

    //Now read the XML file.
    fReader = new FileReader(priceListFileName);
    receiver.readXml(fReader);
    int size2 = receiver.size();
    if (size1 == size2) {
        System.out.println("WebRowSet serialized and " + "deserialiazed properly");
    } else {
        System.out.println("Error....serializing/deserializng the WebRowSet");
    }
}