chicoree.fr:
Premier document PDF avec iText

Catégories:

• iText

Looking for Computer Science  & Information Technology online courses ?
Check my new web site: https://www.yesik.it !

import java.io.FileOutputStream;
 
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
 
import com.lowagie.text.DocumentException;
 
public class HelloiText {
    public void run() {
	/* Create a new Document object */
	Document document = new Document();
	try {
	    /* Associate the document with a PDF writer and an output stream */
	    PdfWriter.getInstance(document, new FileOutputStream("HelloiText.pdf"));
 
	    /* Open the document (ready to add items) */
	    document.open();
 
	    /* Populate the document (add items to it) */ 
	    populate(document);
	}
	catch(Exception e) {
	    /* Oups */
	    System.err.println(e);
	}
	finally {
	    /* Don't forget to close the document! */
	    document.close();
	}
    }
 
    /** 
	Populate the document by adding some elements
    */
    public void populate(Document document) throws DocumentException {
	/* add a news paragraph */
	document.add(new Paragraph("Hello iText "));
    }
 
    /**
	Main program.
 
	Build and run an instance of HelloiText.
    */
    public static void main(String[] args) {
	HelloiText  app = new HelloiText();
	app.run();
    }
}

PdfWriter.getInstance(document, new FileOutputStream("HelloiText.pdf"));

/* ... */
    public void populate(Document document) throws DocumentException {
        /* add a news paragraph */
        String extractsFromDavidCopperfield[] = {
            /* 1 */
            "Whether I shall turn out to be the hero of my own life, or whether that"
            + " station will be held by anybody else, these pages must show. To begin my"
            + " life with the beginning of my life, I record that I was born (as I have"
            + " been informed and believe) on a Friday, at twelve o'clock at night."
            + " It was remarked that the clock began to strike, and I began to cry,"
            + " simultaneously.",
            /* 2 */
            "In consideration of the day and hour of my birth, it was declared by"
            + " the nurse, and by some sage women in the neighbourhood who had taken a"
            + " lively interest in me several months before there was any possibility"
            + " of our becoming personally acquainted, first, that I was destined to be"
            + " unlucky in life; and secondly, that I was privileged to see ghosts and"
            + " spirits; both these gifts inevitably attaching, as they believed, to"
            + " all unlucky infants of either gender, born towards the small hours on a"
            + " Friday night."
        };
 
        document.add(new Paragraph(excerptsFromDavidCopperfield[0], new Font(Font.TIMES_ROMAN)));
        document.add(new Paragraph(excerptsFromDavidCopperfield[1], new Font(Font.HELVETICA,16)));
    }
/* ... */

/* ... */
    public void populate(Document document) throws DocumentException {
        Paragraph paragraph = new Paragraph();
 
        paragraph.add(new Chunk("I was born at "));
 
        Font blueFont = new Font();
        blueFont.setColor(0, 0, 0xFF);
        paragraph.add(new Chunk("Blunderstone", blueFont).setAnchor("http://en.wikipedia.org/wiki/Blunderstone"));
 
        paragraph.add(new Chunk(", in Suffolk, or "));
        paragraph.add(new Chunk("there by", new Font(Font.HELVETICA, 14, Font.ITALIC)));
        paragraph.add(new Chunk(", as they say in "));
        paragraph.add(new Chunk("Scotland", new Font(Font.HELVETICA, Font.DEFAULTSIZE, Font.BOLD)));
        paragraph.add(new Chunk(
             ". I was a posthumous child. My father's eyes had closed upon"+
            "the light of this world six months, when mine opened on it. There is"+
            "something strange to me, even now, in the reflection that he never saw"+
            "me; and something stranger yet in the shadowy remembrance that I have"+
            "of my first childish associations with his white grave-stone in the"+
            "churchyard, and of the indefinable compassion I used to feel for it"+
            "lying out alone there in the dark night, when our little parlour"+
            "was warm and bright with fire and candle, and the doors of our house"+
            "were--almost cruelly, it seemed to me sometimes--bolted and locked"+
            "against it."
        ));
 
        document.add(paragraph);
    }

/* ... */
    public void populate(Document document) throws DocumentException {
        Font    headingFont = new Font(Font.HELVETICA, 18, Font.BOLD);
        Font    textFont = new Font(Font.TIMES_ROMAN);
 
        try {
            BufferedReader reader = null;
            try {
                reader = new BufferedReader(new FileReader("DavidCopperfield.txt"));
 
                Pattern titlePattern = Pattern.compile("^(CHAPTER|PREFACE|CONTENTS).*");
 
                Paragraph paragraph = null;
                String line;
                while((line = reader.readLine()) != null) {
                    Boolean isTitle = titlePattern.matcher(line).matches();
 
                    /* flush paragraph on empty lines and titles */
                    if ((line.isEmpty() || isTitle) && (paragraph != null)) {
                        document.add(paragraph);
                        paragraph = null;
                    }
 
                    if (!line.isEmpty()) {
                        if (paragraph == null) {
                            paragraph = new Paragraph();
                            paragraph.setSpacingAfter(8);
                            paragraph.setSpacingBefore(8);
                        }
                        paragraph.add(new Chunk(line+" ", isTitle ? headingFont : textFont));
                    }
 
                    /* New titles are immediately flushed */
                    if (isTitle) {
                        document.add(paragraph);
                        paragraph = null;
                    }
                }
                /* Flush paragraph at the end of file */
                if (paragraph != null)
                    document.add(paragraph);
            }
            finally {
                if (reader != null)
                    reader.close();
            }
        }
        catch(Exception e) {
            /* Wrap any exception in a DocumentException */
            throw new DocumentException(e);
        }
    }

• Dernière modification de cette page le 14 décembre 2009 à 19:18.
  
• Cette page a été consultée 18 270 fois.
• Short URL: http://chico.re/5HRHSJ46XU
• Texte & illustrations originales sous licence Creative Commons Attribution-NonCommercial 3.0 France