1 files changed, 141 insertions, 0 deletions
diff --git a/scripting/examples/java/MemoryUsage/MemoryUsage.java b/scripting/examples/java/MemoryUsage/MemoryUsage.java
new file mode 100644
index 000000000000..727f94a9291c
--- /dev/null
+++ b/scripting/examples/java/MemoryUsage/MemoryUsage.java
@@ -0,0 +1,141 @@
+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");
+    }
+}