/usr/lib/libreoffice/share/Scripts/java/MemoryUsage/MemoryUsage.java is in libreoffice-java-common 1:3.5.4+dfsg2-0+deb7u6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | package org.libreoffice.example.java_scripts;
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.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");
}
}
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