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Java Source | 2005-02-14 | 4.8 KB | 143 lines |
- import java.util.Random;
- import java.util.Date;
- import com.sun.star.uno.UnoRuntime;
- import com.sun.star.uno.AnyConverter;
- import com.sun.star.uno.Type;
- import com.sun.star.uno.XInterface;
- import com.sun.star.lang.XComponent;
- import com.sun.star.lang.XMultiServiceFactory;
- import com.sun.star.frame.XComponentLoader;
- import com.sun.star.document.XEmbeddedObjectSupplier;
- import com.sun.star.awt.ActionEvent;
- import com.sun.star.awt.Rectangle;
- import com.sun.star.beans.XPropertySet;
- import com.sun.star.beans.PropertyValue;
-
- import com.sun.star.container.*;
- import com.sun.star.chart.*;
- import com.sun.star.table.*;
- import com.sun.star.sheet.*;
-
- import com.sun.star.script.provider.XScriptContext;
-
- public class MemoryUsage
- {
- // public void updateMemoryUsage(XScriptContext ctxt, ActionEvent evt)
- public void updateMemoryUsage(XScriptContext ctxt)
- throws Exception
- {
- XSpreadsheet sheet = createSpreadsheet(ctxt);
-
- Runtime runtime = Runtime.getRuntime();
- Random generator = new Random();
- Date date = new Date();
-
- // allocate a random amount of memory
- int len = (int)(generator.nextFloat() * runtime.freeMemory() / 5);
- byte[] bytes = new byte[len];
-
- addData(sheet, date.toString(),
- runtime.totalMemory(), runtime.freeMemory());
-
- addChart(sheet);
- }
-
- private XSpreadsheet createSpreadsheet(XScriptContext ctxt)
- throws Exception
- {
- XComponentLoader loader = (XComponentLoader)
- UnoRuntime.queryInterface(
- XComponentLoader.class, ctxt.getDesktop());
-
- XComponent comp = loader.loadComponentFromURL(
- "private:factory/scalc", "_blank", 4, new PropertyValue[0]);
-
- XSpreadsheetDocument doc = (XSpreadsheetDocument)
- UnoRuntime.queryInterface(XSpreadsheetDocument.class, comp);
-
- XIndexAccess index = (XIndexAccess)
- UnoRuntime.queryInterface(XIndexAccess.class, doc.getSheets());
-
- XSpreadsheet sheet = (XSpreadsheet) AnyConverter.toObject(
- new Type(com.sun.star.sheet.XSpreadsheet.class), index.getByIndex(0));
-
- return sheet;
- }
-
- private void addData(
- XSpreadsheet sheet, String date, long total, long free)
- throws Exception
- {
- sheet.getCellByPosition(0, 0).setFormula("Used");
- sheet.getCellByPosition(0, 1).setFormula("Free");
- sheet.getCellByPosition(0, 2).setFormula("Total");
-
- sheet.getCellByPosition(1, 0).setValue(total - free);
- sheet.getCellByPosition(1, 1).setValue(free);
- sheet.getCellByPosition(1, 2).setValue(total);
- }
-
- private void addChart(XSpreadsheet sheet)
- throws Exception
- {
- Rectangle rect = new Rectangle();
- rect.X = 500;
- rect.Y = 3000;
- rect.Width = 10000;
- rect.Height = 8000;
-
- XCellRange range = (XCellRange)
- UnoRuntime.queryInterface(XCellRange.class, sheet);
-
- XCellRange myRange =
- range.getCellRangeByName("A1:B2");
-
- XCellRangeAddressable rangeAddr = (XCellRangeAddressable)
- UnoRuntime.queryInterface(XCellRangeAddressable.class, myRange);
-
- CellRangeAddress myAddr = rangeAddr.getRangeAddress();
-
- CellRangeAddress[] addr = new CellRangeAddress[1];
- addr[0] = myAddr;
-
- XTableChartsSupplier supp = (XTableChartsSupplier)
- UnoRuntime.queryInterface( XTableChartsSupplier.class, sheet);
-
- XTableCharts charts = supp.getCharts();
- charts.addNewByName("Example", rect, addr, false, true);
-
- try { Thread.sleep(3000); } catch (java.lang.InterruptedException e) { }
-
- // get the diagram and Change some of the properties
- XNameAccess chartsAccess = (XNameAccess)
- UnoRuntime.queryInterface( XNameAccess.class, charts);
-
- XTableChart tchart = (XTableChart)
- UnoRuntime.queryInterface(
- XTableChart.class, chartsAccess.getByName("Example"));
-
- XEmbeddedObjectSupplier eos = (XEmbeddedObjectSupplier)
- UnoRuntime.queryInterface( XEmbeddedObjectSupplier.class, tchart );
-
- XInterface xifc = eos.getEmbeddedObject();
-
- XChartDocument xChart = (XChartDocument)
- UnoRuntime.queryInterface(XChartDocument.class, xifc);
-
- XMultiServiceFactory xDocMSF = (XMultiServiceFactory)
- UnoRuntime.queryInterface(XMultiServiceFactory.class, xChart);
-
- Object diagObject =
- xDocMSF.createInstance("com.sun.star.chart.PieDiagram");
-
- XDiagram xDiagram = (XDiagram)
- UnoRuntime.queryInterface(XDiagram.class, diagObject);
-
- xChart.setDiagram(xDiagram);
-
- XPropertySet propset = (XPropertySet)
- UnoRuntime.queryInterface( XPropertySet.class, xChart.getTitle() );
- propset.setPropertyValue("String", "JVM Memory Usage");
- }
- }
-