osgi/src/test/java/org/apache/poi/osgi/OSGiSlideShowIT.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi.osgi;

import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.sl.usermodel.*;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.junit.PaxExam;
import org.ops4j.pax.exam.spi.reactors.ExamReactorStrategy;
import org.ops4j.pax.exam.spi.reactors.PerClass;

import java.awt.*;
import java.io.ByteArrayInputStream;
import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
import java.util.List;

import static org.junit.Assert.assertEquals;

/**
 * Test to ensure that all our main formats can create, write
 * and read back in, when running under OSGi
 */
@RunWith(PaxExam.class)
@ExamReactorStrategy(PerClass.class)
public class OSGiSlideShowIT extends BaseOSGiTestCase {


    // create a workbook, validate and write back
    void testSS(SlideShow ppt) throws Exception {
        Slide<?, ?> slide = ppt.createSlide();

        TextBox<?, ?> box1 = slide.createTextBox();
        box1.setTextPlaceholder(TextShape.TextPlaceholder.TITLE);
        box1.setText("HSLF in a Nutshell");
        box1.setAnchor(new Rectangle(36, 15, 648, 65));

        TextBox<?, ?> box2 = slide.createTextBox();
        box2.setTextPlaceholder(TextShape.TextPlaceholder.BODY);
        box2.setText(
                "HSLF provides a way to read, create and modify MS PowerPoint presentations\r" +
                        "Pure Java API - you don't need PowerPoint to read and write *.ppt files\r" +
                        "Comprehensive support of PowerPoint objects\r" +
                        "Rich text\r" +
                        "Tables\r" +
                        "Shapes\r" +
                        "Pictures\r" +
                        "Master slides\r" +
                        "Access to low level data structures"
        );

        List<? extends TextParagraph<?, ?, ?>> tp = box2.getTextParagraphs();
        for (int i : new byte[]{0, 1, 2, 8}) {
            tp.get(i).getTextRuns().get(0).setFontSize(28d);
        }
        for (int i : new byte[]{3, 4, 5, 6, 7}) {
            tp.get(i).getTextRuns().get(0).setFontSize(24d);
            tp.get(i).setIndentLevel(1);
        }
        box2.setAnchor(new Rectangle(36, 80, 648, 400));

        try (UnsynchronizedByteArrayOutputStream baos = UnsynchronizedByteArrayOutputStream.builder().get()) {
            ppt.write(baos);
            try (InputStream bais = baos.toInputStream()) {
                ppt = SlideShowFactory.create(bais);
            }
        }
        assertEquals(1, ppt.getSlides().size());
        slide = (Slide) ppt.getSlides().iterator().next();
        assertEquals(2, slide.getShapes().size());
    }

    @Test
    public void testHSLF() throws Exception {
        testSS(new HSLFSlideShow());
    }

    @Test
    public void testXSLF() throws Exception {
        testSS(new XMLSlideShow());
    }

}