PowerPoint

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import java.util.Vector;

import org.apache.poi.sl.usermodel.TextParagraph.TextAlign;
import org.apache.poi.sl.usermodel.TextShape.TextDirection;
import org.apache.poi.xslf.usermodel.SlideLayout;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFShape;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.apache.poi.xslf.usermodel.XSLFSlideLayout;
import org.apache.poi.xslf.usermodel.XSLFSlideMaster;
import org.apache.poi.xslf.usermodel.XSLFTextParagraph;
import org.apache.poi.xslf.usermodel.XSLFTextRun;
import org.apache.poi.xslf.usermodel.XSLFTextShape;

public class PowerPoint
{

	public static void main(String[] args)
	{
		try
		{
			BufferedReader bufferedReader = new BufferedReader(
					new FileReader(new File("ro2ya without.txt")));

 			// TODO Auto-generated method stub

			XMLSlideShow ppt = new XMLSlideShow(
					new FileInputStream("template.pptx"));
       // in case that you want to call the slide master un comment the next line
			// XSLFSlideMaster defaultMaster = ppt.getSlideMasters().get(0);
      //verse e
 			String verse = "";
			Vector<String> lines = new Vector<String>(1000);
			// ArrayList<String>lines = new ArrayList<String>(1000);
			int wordsPerLine = 7;
			int tolerance = 2;
			while ((verse = bufferedReader.readLine()) != null)
			{
				if (verse.length() <= 1)
					continue;
				StringTokenizer st = new StringTokenizer(verse, " ");
        //here we will put wordsPerLine words per line so check if line tokens are more than wordsPerLine
				if (st.countTokens() > wordsPerLine )
				{
					int tokenCount = 0;
					StringBuffer line = new StringBuffer();
					while (st.hasMoreTokens())
					{
						line.append(st.nextToken());
						line.append(" ");
						tokenCount++;
						if (tokenCount % wordsPerLine == 0)
						{
							lines.add(line.toString().trim());
							line = new StringBuffer();
						}
					}
					// append the remaining tokens after the last line was added
					// ex:12 token first 7 will be added and the last 5 added here
					if (line.toString().length() > 1)
						lines.add(line.toString().trim());
				} 
        else  //the verse is less than wordsPerLine 
				{
					lines.add(verse);
				}
			}
			// for(String line : lines)
			Iterator<String> iterator = lines.iterator();
			String line = "";
			XSLFSlideMaster slideMaster = ppt.getSlideMasters().get(0);
			
			XSLFSlideLayout titleLayout = slideMaster
					.getLayout(SlideLayout.TITLE);

			while (iterator.hasNext())
			{
				XSLFSlide slide = ppt.createSlide();
				List<XSLFShape> shapes = slide.getShapes();
				 	
				for (int j = 0; j < shapes.size(); j++)
				{
					XSLFTextShape shape = (XSLFTextShape) shapes.get(j);// slide.getPlaceholder(j);
					shape.clearText();
					if (iterator.hasNext())
					{
						line = iterator.next();
            // in case the current line is the a chapter title we will make it one a Title slide alone
						if (line.startsWith("سفر رؤيا يوحنا اللاهوتي "))
						{
							addTitleSlide(line, ppt);
							break;
						}
						XSLFTextParagraph paragraph = shape
								.addNewTextParagraph();
						XSLFTextRun run1 = paragraph.addNewTextRun();
						run1.setText(line);
            //to avoid the default behavior of PowerPoint that bullting text in text box
						paragraph.setBullet(false);
						paragraph.setTextAlign(TextAlign.CENTER);
            //alternate way using shape
//						shape.setTextDirection(TextDirection.VERTICAL);
//						shape.getTextBody().appendText(line, true);
					//	shape.setHorizontalCentered(true);
					
					}
				}
			}

			FileOutputStream out = new FileOutputStream("رؤية.pptx");
			ppt.write(out);
			ppt.close();
			out.close();
			bufferedReader.close();
		} catch (Exception e)
		{
			e.printStackTrace();
		}
		System.out.println("finished");
		try
		{
			Runtime.getRuntime().exec(
					"explorer E:\\mobile apps2\\PowerPoint2021\\رؤية.pptx");
		} catch (IOException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	static void addTitleSlide(String text, XMLSlideShow ppt)
	{
		XSLFSlide slide = ppt.createSlide();
		XSLFTextShape shape = (XSLFTextShape) slide.getShapes().get(0);
		shape.clearText();
		XSLFTextParagraph paragraph = shape
				.addNewTextParagraph();
		XSLFTextRun run1 = paragraph.addNewTextRun();
		run1.setText(text);
		
		paragraph.setBullet(false);
		paragraph.setTextAlign(TextAlign.CENTER);

		shape = (XSLFTextShape) slide.getShapes().get(1);
		shape.clearText();
	}

}