257 lines
11 KiB
Java
257 lines
11 KiB
Java
/*************************************************************************
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*
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* $RCSfile: Sales.java,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: hr $ $Date: 2003-06-30 15:17:40 $
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*
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* The Contents of this file are made available subject to the terms of
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* the BSD license.
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*
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* Copyright (c) 2003 by Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*************************************************************************/
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import java.io.*;
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// import com.sun.star.comp.helper.RegistryServiceFactory;
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// import com.sun.star.comp.servicemanager.ServiceManager;
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// import com.sun.star.lang.XMultiServiceFactory;
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// import com.sun.star.lang.XServiceInfo;
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import com.sun.star.lang.XComponent;
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// import com.sun.star.bridge.XUnoUrlResolver;
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import com.sun.star.uno.*;
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import com.sun.star.util.Date;
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import com.sun.star.beans.XPropertySet;
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import com.sun.star.container.XNameAccess;
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import com.sun.star.sdbc.*;
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public class Sales
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{
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private XConnection con;
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public Sales(XConnection connection )
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{
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con = connection;
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}
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// create the table sales.
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public void createSalesTable() throws com.sun.star.uno.Exception
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{
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String createTableSales = "CREATE TABLE SALES " +
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"(SALENR INTEGER NOT NULL, " +
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" COS_NR INTEGER, " +
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" SNR INTEGER, " +
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" NAME VARCHAR(50)," +
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" SALEDATE DATE," +
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" PRICE FLOAT(10), " +
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" PRIMARY KEY(SALENR)" +
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" )";
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XStatement stmt = con.createStatement();
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stmt.executeUpdate( createTableSales );
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}
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// drop the table sales.
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public void dropSalesTable() throws com.sun.star.uno.Exception
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{
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String createTableSalesman = "DROP TABLE SALES ";
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XStatement stmt = con.createStatement();
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stmt.executeUpdate( createTableSalesman );
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}
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// insert data into the table sales.
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public void insertDataIntoSales() throws com.sun.star.uno.Exception
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{
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XStatement stmt = con.createStatement();
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stmt.executeUpdate("INSERT INTO SALES " +
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"VALUES (1, '100', '1','Linux','2001-02-12',15)");
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stmt.executeUpdate("INSERT INTO SALES " +
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"VALUES (2, '101', '2','Beef','2001-10-18',15.78)");
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stmt.executeUpdate("INSERT INTO SALES " +
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"VALUES (3, '104', '4','orange juice','2001-08-09',1.5)");
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}
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// update the table sales with a prepared statement.
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public void updateSales() throws com.sun.star.uno.Exception
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{
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XStatement stmt = con.createStatement();
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String updateString = "UPDATE SALES " +
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"SET PRICE = 30 " +
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"WHERE SALENR = 1";
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stmt.executeUpdate(updateString);
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}
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// retrieve the data of the table sales.
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public void retrieveSalesData() throws com.sun.star.uno.Exception
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{
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XStatement stmt = con.createStatement();
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String query = "SELECT NAME, PRICE FROM SALES " +
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"WHERE SALENR = 1";
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XResultSet rs = stmt.executeQuery(query);
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XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs);
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while (rs.next()) {
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String s = row.getString(1);
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float n = row.getFloat(2);
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System.out.println("The current price for " + s + " is: $" + n + ".");
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}
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}
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// create a scrollable resultset.
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public void retrieveSalesData2() throws com.sun.star.uno.Exception
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{
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// example for a programmatic way to do updates. This doesn't work with adabas.
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XStatement stmt = con.createStatement();
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XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
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xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
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xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
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XResultSet srs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
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XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,srs);
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srs.afterLast();
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while (srs.previous()) {
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String name = row.getString(1);
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float price = row.getFloat(2);
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System.out.println(name + " " + price);
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}
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srs.last();
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XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,srs);
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updateRow.updateFloat(2, (float)0.69);
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XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime.queryInterface(
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XResultSetUpdate.class,srs);
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updateRs.updateRow(); // this call updates the data in DBMS
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srs.last();
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updateRow.updateFloat(2, (float)0.99);
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updateRs.cancelRowUpdates();
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updateRow.updateFloat(2, (float)0.79);
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updateRs.updateRow();
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}
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// inserts a row programmatically.
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public void insertRow() throws com.sun.star.uno.Exception
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{
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// example for a programmatic way to do updates. This doesn't work with adabas.
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XStatement stmt = con.createStatement();
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// stmt.executeUpdate("INSERT INTO SALES " +
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// "VALUES (4, 102, 5, 'FTOP Darjeeling tea', '2002-01-02',150)");
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//
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// stmt = con.createStatement();
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XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
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xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
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xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
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XResultSet rs = stmt.executeQuery("SELECT * FROM SALES");
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XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs);
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// insert a new row
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XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs);
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XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
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updateRs.moveToInsertRow();
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updateRow.updateInt(1, 4);
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updateRow.updateInt(2, 102);
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updateRow.updateInt(3, 5);
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updateRow.updateString(4, "FTOP Darjeeling tea");
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updateRow.updateDate(5, new Date((short)1,(short)2,(short)2002));
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updateRow.updateFloat(6, 150);
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updateRs.insertRow();
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}
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// deletes a row programmatically.
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public void deleteRow() throws com.sun.star.uno.Exception
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{
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// example for a programmatic way to do updates. This doesn't work with adabas.
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XStatement stmt = con.createStatement();
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XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
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xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
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xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.UPDATABLE));
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XResultSet rs = stmt.executeQuery("SELECT * FROM SALES");
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XRow row = (XRow)UnoRuntime.queryInterface(XRow.class,rs);
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XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
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// move to the inserted row
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rs.absolute(4);
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updateRs.deleteRow();
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}
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// refresh a row
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public void refreshRow() throws com.sun.star.uno.Exception
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{
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// example for a programmatic way to do updates. This doesn't work with adabas.
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// first we need the 4 row
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insertRow();
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XStatement stmt = con.createStatement();
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XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
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xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
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xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY));
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XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
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XRow row = (XRow)UnoRuntime.queryInterface(XRow.class, rs);
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rs.absolute(4);
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float price1 = row.getFloat(2);
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// modifiy the 4 row
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XRowUpdate updateRow = (XRowUpdate)UnoRuntime.queryInterface(XRowUpdate.class,rs);
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XResultSetUpdate updateRs = ( XResultSetUpdate )UnoRuntime. queryInterface(XResultSetUpdate.class,rs);
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updateRow.updateFloat(2, 150);
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updateRs.updateRow();
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// repositioning
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rs.absolute(4);
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rs.refreshRow();
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float price2 = row.getFloat(2);
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if (price2 != price1) {
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System.out.println("Prices are different.");
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}
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else
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System.out.println("Prices are equal.");
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deleteRow();
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}
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// displays the column names
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public void displayColumnNames() throws com.sun.star.uno.Exception
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{
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XStatement stmt = con.createStatement();
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XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(XPropertySet.class,stmt);
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xProp.setPropertyValue("ResultSetType", new java.lang.Integer(ResultSetType.SCROLL_INSENSITIVE));
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xProp.setPropertyValue("ResultSetConcurrency", new java.lang.Integer(ResultSetConcurrency.READ_ONLY));
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XResultSet rs = stmt.executeQuery("SELECT NAME, PRICE FROM SALES");
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XResultSetMetaDataSupplier xRsMetaSup = (XResultSetMetaDataSupplier)
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UnoRuntime.queryInterface(XResultSetMetaDataSupplier.class,rs);
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XResultSetMetaData xRsMetaData = xRsMetaSup.getMetaData();
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int nColumnCount = xRsMetaData.getColumnCount();
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for(int i=1 ; i <= nColumnCount ; ++i)
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{
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System.out.println("Name: " + xRsMetaData.getColumnName(i) + " Type: " +
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xRsMetaData.getColumnType(i));
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}
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}
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}
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