poi-ooxml/src/test/java/org/apache/poi/xslf/usermodel/TestXSLFShape.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.xslf.usermodel;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
import org.apache.poi.xddf.usermodel.text.XDDFTextParagraph;
import org.apache.poi.xddf.usermodel.text.XDDFTextRun;
import org.apache.poi.xslf.XSLFTestDataSamples;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.drawingml.x2006.main.STTextUnderlineType;

class TestXSLFShape {

    @Test
    void testReadTextShapes() throws IOException {
        try (XMLSlideShow ppt = XSLFTestDataSamples.openSampleDocument("shapes.pptx")) {
            List<XSLFSlide> slides = ppt.getSlides();

            XSLFSlide slide1 = slides.get(0);
            List<XSLFShape> shapes1 = slide1.getShapes();
            assertEquals(7, shapes1.size());
            assertEquals("TextBox 3", shapes1.get(0).getShapeName());
            XSLFAutoShape sh0 = (XSLFAutoShape) shapes1.get(0);
            assertEquals("Learning PPTX", sh0.getText());
            List<XSLFTextParagraph> paragraphs0 = sh0.getTextParagraphs();
            assertEquals(1, paragraphs0.size());
            XSLFTextParagraph p0 = paragraphs0.get(0);
            assertEquals("Learning PPTX", p0.getText());
            assertEquals(1, p0.getTextRuns().size());
            XSLFTextRun r0 = p0.getTextRuns().get(0);
            assertEquals("Learning PPTX", r0.getRawText());

            XSLFSlide slide2 = slides.get(1);
            List<XSLFShape> shapes2 = slide2.getShapes();
            assertTrue(shapes2.get(0) instanceof XSLFAutoShape);
            assertEquals("PPTX Title", ((XSLFAutoShape) shapes2.get(0)).getText());
            XSLFAutoShape sh1 = (XSLFAutoShape) shapes2.get(0);
            List<XSLFTextParagraph> paragraphs1 = sh1.getTextParagraphs();
            assertEquals(1, paragraphs1.size());
            XSLFTextParagraph p1 = paragraphs1.get(0);
            assertEquals("PPTX Title", p1.getText());
            List<XSLFTextRun> r2 = paragraphs1.get(0).getTextRuns();
            assertEquals(2, r2.size());
            assertEquals("PPTX ", r2.get(0).getRawText());
            assertEquals("Title", r2.get(1).getRawText());
            // Title is underlined
            assertEquals(STTextUnderlineType.SNG, r2.get(1).getRPr(false).getU());


            assertTrue(shapes2.get(1) instanceof XSLFAutoShape);
            assertEquals("Subtitle\nAnd second line", ((XSLFAutoShape) shapes2.get(1)).getText());
            XSLFAutoShape sh2 = (XSLFAutoShape) shapes2.get(1);
            List<XSLFTextParagraph> paragraphs2 = sh2.getTextParagraphs();
            assertEquals(2, paragraphs2.size());
            assertEquals("Subtitle", paragraphs2.get(0).getText());
            assertEquals("And second line", paragraphs2.get(1).getText());

            assertEquals(1, paragraphs2.get(0).getTextRuns().size());
            assertEquals(1, paragraphs2.get(1).getTextRuns().size());

            assertEquals("Subtitle", paragraphs2.get(0).getTextRuns().get(0).getRawText());
            assertTrue(paragraphs2.get(0).getTextRuns().get(0).getRPr(false).getB());
            assertEquals("And second line", paragraphs2.get(1).getTextRuns().get(0).getRawText());
        }
    }

    @Test
    void testReplaceTextInShapes() throws IOException {
        try (
                XMLSlideShow ppt = XSLFTestDataSamples.openSampleDocument("shapes.pptx");
                UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream()
        ) {
            assertEquals(6, ppt.getSlides().size());
            XSLFSlide slide0 = ppt.getSlides().get(0);
            for (XSLFShape shape : slide0.getShapes()) {
                if (shape instanceof XSLFTextShape) {
                    XSLFTextShape textShape = (XSLFTextShape) shape;
                    List<XSLFTextParagraph> textBoxParagraphs = textShape.getTextParagraphs();
                    List<XSLFTextRun> textBoxParagraphTextRuns = textBoxParagraphs.stream()
                            .map(XSLFTextParagraph::getTextRuns)
                            .flatMap(List::stream)
                            .collect(Collectors.toList());
                    int pos = 0;
                    for (XSLFTextRun r : textBoxParagraphTextRuns) {
                        r.setText("Replaced" + pos++);
                    }
                }
            }
            ppt.write(bos);

            try (XMLSlideShow ppt2 = new XMLSlideShow(bos.toInputStream())) {
                assertEquals(6, ppt2.getSlides().size());
                XSLFSlide updatedSlide = ppt2.getSlides().get(0);
                for (XSLFShape shape : updatedSlide.getShapes()) {
                    if (shape instanceof XSLFTextShape) {
                        XSLFTextShape textShape = (XSLFTextShape) shape;
                        List<XSLFTextParagraph> textBoxParagraphs = textShape.getTextParagraphs();
                        List<XSLFTextRun> textBoxParagraphTextRuns = textBoxParagraphs.stream()
                                .map(XSLFTextParagraph::getTextRuns)
                                .flatMap(List::stream)
                                .collect(Collectors.toList());
                        int pos = 0;
                        for (XSLFTextRun r : textBoxParagraphTextRuns) {
                            assertEquals("Replaced" + pos++, r.getRawText());
                        }
                    }
                }
            }
        }
    }

    @Test
    void testReplaceTextInShapesXDDF() throws IOException {
        try (
                XMLSlideShow ppt = XSLFTestDataSamples.openSampleDocument("shapes.pptx");
                UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream()
        ) {
            assertEquals(6, ppt.getSlides().size());
            XSLFSlide slide0 = ppt.getSlides().get(0);
            for (XSLFShape shape : slide0.getShapes()) {
                if (shape instanceof XSLFTextShape) {
                    XSLFTextShape textShape = (XSLFTextShape) shape;
                    List<XDDFTextParagraph> textBoxParagraphs = textShape.getTextBody().getParagraphs();
                    List<XDDFTextRun> textBoxParagraphTextRuns = textBoxParagraphs.stream()
                            .map(XDDFTextParagraph::getTextRuns)
                            .flatMap(List::stream)
                            .collect(Collectors.toList());
                    int pos = 0;
                    for (XDDFTextRun r : textBoxParagraphTextRuns) {
                        r.setText("Replaced" + pos++);
                    }
                }
            }
            ppt.write(bos);

            try (XMLSlideShow ppt2 = new XMLSlideShow(bos.toInputStream())) {
                assertEquals(6, ppt2.getSlides().size());
                XSLFSlide updatedSlide = ppt2.getSlides().get(0);
                for (XSLFShape shape : updatedSlide.getShapes()) {
                    if (shape instanceof XSLFTextShape) {
                        XSLFTextShape textShape = (XSLFTextShape) shape;
                        List<XDDFTextParagraph> textBoxParagraphs = textShape.getTextBody().getParagraphs();
                        List<XDDFTextRun> textBoxParagraphTextRuns = textBoxParagraphs.stream()
                                .map(XDDFTextParagraph::getTextRuns)
                                .flatMap(List::stream)
                                .collect(Collectors.toList());
                        int pos = 0;
                        for (XDDFTextRun r : textBoxParagraphTextRuns) {
                            assertEquals("Replaced" + pos++, r.getText());
                        }
                    }
                }
            }
        }
    }

    @Test
    void testProblemFile() throws IOException {
        try (XMLSlideShow ppt = XSLFTestDataSamples.openSampleDocument("ececapstonespring2012.pptx")) {
            List<XSLFSlide> slides = ppt.getSlides();
            assertEquals(24, slides.size());
        }
    }

    @Test
    void testCreateShapes() throws IOException {
        XMLSlideShow ppt = new XMLSlideShow();
        XSLFSlide slide = ppt.createSlide();
        assertTrue(slide.getShapes().isEmpty());

        XSLFTextBox textBox = slide.createTextBox();

        assertEquals(1, slide.getShapes().size());
        assertSame(textBox, slide.getShapes().get(0));

        assertEquals("", textBox.getText());
        // FIXME: is this correct? Should it be starting out with 0 or 1 text paragraphs?
        assertEquals(1, textBox.getTextParagraphs().size());
        textBox.addNewTextParagraph().addNewTextRun().setText("Apache");
        textBox.addNewTextParagraph().addNewTextRun().setText("POI");
        assertEquals("Apache\nPOI", textBox.getText());
        assertEquals(3, textBox.getTextParagraphs().size());

        ppt.close();
    }

}