TestOleEmbedding.java

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package org.apache.poi.hslf.model;

import junit.framework.TestCase;

import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.usermodel.ObjectData;
import org.apache.poi.hslf.usermodel.PictureData;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.POIDataSamples;

public final class TestOleEmbedding extends TestCase {
    private static POIDataSamples _slTests = POIDataSamples.getSlideShowInstance();
    /**
     * Tests support for OLE objects.
     *
     * @throws Exception if an error occurs.
     */
    public void testOleEmbedding2003() throws Exception {
        HSLFSlideShow slideShow = new HSLFSlideShow(_slTests.openResourceAsStream("ole2-embedding-2003.ppt"));
        // Placeholder EMFs for clients that don't support the OLE components.
        PictureData[] pictures = slideShow.getPictures();
        assertEquals("Should be two pictures", 2, pictures.length);
        //assertDigestEquals("Wrong data for picture 1", "8d1fbadf4814f321bb1ccdd056e3c788", pictures[0].getData());
        //assertDigestEquals("Wrong data for picture 2", "987a698e83559cf3d38a0deeba1cc63b", pictures[1].getData());

        // Actual embedded objects.
        ObjectData[] objects = slideShow.getEmbeddedObjects();
        assertEquals("Should be two objects", 2, objects.length);
        //assertDigestEquals("Wrong data for objecs 1", "0d1fcc61a83de5c4894dc0c88e9a019d", objects[0].getData());
        //assertDigestEquals("Wrong data for object 2", "b323604b2003a7299c77c2693b641495", objects[1].getData());
    }

    public void testOLEShape() throws Exception {
        SlideShow ppt = new SlideShow(_slTests.openResourceAsStream("ole2-embedding-2003.ppt"));

        Slide slide = ppt.getSlides()[0];
        Shape[] sh = slide.getShapes();
        int cnt = 0;
        for (int i = 0; i < sh.length; i++) {
            if(sh[i] instanceof OLEShape){
                cnt++;
                OLEShape ole = (OLEShape)sh[i];
                ObjectData data = ole.getObjectData();
                if("Worksheet".equals(ole.getInstanceName())){
                    //Voila! we created a workbook from the embedded OLE data
                    HSSFWorkbook wb = new HSSFWorkbook(data.getData());
                    HSSFSheet sheet = wb.getSheetAt(0);
                    //verify we can access the xls data
                    assertEquals(1, sheet.getRow(0).getCell(0).getNumericCellValue(), 0);
                    assertEquals(1, sheet.getRow(1).getCell(0).getNumericCellValue(), 0);
                    assertEquals(2, sheet.getRow(2).getCell(0).getNumericCellValue(), 0);
                    assertEquals(3, sheet.getRow(3).getCell(0).getNumericCellValue(), 0);
                    assertEquals(8, sheet.getRow(5).getCell(0).getNumericCellValue(), 0);
                } else if ("Document".equals(ole.getInstanceName())){
                    //creating a HWPF document
                    HWPFDocument doc = new HWPFDocument(data.getData());
                    String txt = doc.getRange().getParagraph(0).text();
                    assertEquals("OLE embedding is thoroughly unremarkable.\r", txt);
                }
            }

        }
        assertEquals("Expected 2 OLE shapes", 2, cnt);
    }
}