/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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*************************************************************/
import java.io.*;
// import com.sun.star.comp.helper.RegistryServiceFactory;
// import com.sun.star.comp.servicemanager.ServiceManager;
// import com.sun.star.lang.XMultiServiceFactory;
// import com.sun.star.lang.XServiceInfo;
import com.sun.star.lang.XComponent;
// import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.uno.*;
import com.sun.star.util.Date;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.XNameAccess;
import com.sun.star.sdbc.*;
public class Sales
{
private XConnection con;
public Sales(XConnection connection )
{
con = connection;
}
// create the table sales.
public void createSalesTable() throws com.sun.star.uno.Exception
{
String createTableSales = "CREATE TABLE SALES " +
"(SALENR INTEGER NOT NULL, " +
" COS_NR INTEGER, " +
" SNR INTEGER, " +
" NAME VARCHAR(50)," +
" SALEDATE DATE," +
" PRICE FLOAT(10), " +
" PRIMARY KEY(SALENR)" +
" )";
XStatement stmt = con.createStatement();
stmt.executeUpdate( createTableSales );
}
// drop the table sales.
public void dropSalesTable() throws com.sun.star.uno.Exception
{
String createTableSalesman = "DROP TABLE SALES ";
XStatement stmt = con.createStatement();
stmt.executeUpdate( createTableSalesman );
}
// insert data into the table sales.
public void insertDataIntoSales() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (1, '100', '1','Linux','2001-02-12',15)");
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (2, '101', '2','Beef','2001-10-18',15.78)");
stmt.executeUpdate("INSERT INTO SALES " +
"VALUES (3, '104', '4','orange juice','2001-08-09',1.5)");
}
// update the table sales with a prepared statement.
public void updateSales() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
String updateString = "UPDATE SALES " +
"SET PRICE = 30 " +
"WHERE SALENR = 1";
stmt.executeUpdate(updateString);
}
// retrieve the data of the table sales.
public void retrieveSalesData() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
String query = "SELECT NAME, PRICE FROM SALES " +
"WHERE SALENR = 1";
XResultSet rs = stmt.executeQuery(query);
XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs);
while (rs.next()) {
String s = row.getString(1);
float n = row.getFloat(2);
System.out.println("The current price for " + s + " is: $" + n + ".");
}
}
// create a scrollable resultset.
public void retrieveSalesData2() throws com.sun.star.uno.Exception
{
// example for a programmatic way to do updates. This doesn't work with adabas.
XStatement stmt = con.createStatement();
XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
XResultSet srs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,srs);
srs.afterLast();
while (srs.previous()) {
String name = row.getString(1);
float price = row.getFloat(2);
System.out.println(name + " " + price);
}
srs.last();
XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,srs);
updateRow.updateFloat(2, (float)0.69);
XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime.queryInterface(
XResultSetUpdate.class,srs);
updateRs.updateRow(); // this call updates the data in DBMS
srs.last();
updateRow.updateFloat(2, (float)0.99);
updateRs.cancelRowUpdates();
updateRow.updateFloat(2, (float)0.79);
updateRs.updateRow();
}
// inserts a row programmatically.
public void insertRow() throws com.sun.star.uno.Exception
{
// example for a programmatic way to do updates. This doesn't work with adabas.
XStatement stmt = con.createStatement();
// stmt.executeUpdate("INSERT INTO SALES " +
// "VALUES (4, 102, 5, 'FTOP Darjeeling tea', '2002-01-02',150)");
//
// stmt = con.createStatement();
XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
XResultSet rs = stmt.executeQuery("SELECT * FROM SALES");
XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs);
// insert a new row
XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs);
XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
updateRs.moveToInsertRow();
updateRow.updateInt(1, 4);
updateRow.updateInt(2, 102);
updateRow.updateInt(3, 5);
updateRow.updateString(4, "FTOP Darjeeling tea");
updateRow.updateDate(5, new Date((short)1,(short)2,(short)2002));
updateRow.updateFloat(6, 150);
updateRs.insertRow();
}
// deletes a row programmatically.
public void deleteRow() throws com.sun.star.uno.Exception
{
// example for a programmatic way to do updates. This doesn't work with adabas.
XStatement stmt = con.createStatement();
XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
XResultSet rs = stmt.executeQuery("SELECT * FROM SALES");
XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs);
XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
// move to the inserted row
rs.absolute(4);
updateRs.deleteRow();
}
// refresh a row
public void refreshRow() throws com.sun.star.uno.Exception
{
// example for a programmatic way to do updates. This doesn't work with adabas.
// first we need the 4 row
insertRow();
XStatement stmt = con.createStatement();
XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY));
XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs);
rs.absolute(4);
float price1 = row.getFloat(2);
// modifiy the 4 row
XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs);
XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
updateRow.updateFloat(2, 150);
updateRs.updateRow();
// repositioning
rs.absolute(4);
rs.refreshRow();
float price2 = row.getFloat(2);
if (price2 != price1) {
System.out.println("Prices are different.");
}
else
System.out.println("Prices are equal.");
deleteRow();
}
// displays the column names
public void displayColumnNames() throws com.sun.star.uno.Exception
{
XStatement stmt = con.createStatement();
XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY));
XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
XResultSetMetaDataSupplier xRsMetaSup = (XResultSetMetaDataSupplier)
UnoRuntime.queryInterface(XResultSetMetaDataSupplier.class,rs);
XResultSetMetaData xRsMetaData = xRsMetaSup.getMetaData();
int nColumnCount = xRsMetaData.getColumnCount();
for(int i=1 ; i <= nColumnCount ; ++i)
{
System.out.println("Name: " + xRsMetaData.getColumnName(i) + " Type: " +
xRsMetaData.getColumnType(i));
}
}
}