papertoolkit.paper.bundles.PDFBundle.java Source code

Introduction

Here is the source code for papertoolkit.paper.bundles.PDFBundle.java

Source

package papertoolkit.paper.bundles;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import papertoolkit.paper.Bundle;
import papertoolkit.paper.sheets.PDFSheet;

import com.lowagie.text.pdf.PdfReader;

/**
 * <p>
 * Create a Bundle that contains PDFSheets. The PDF manipulation code in this class leverages iText.
 * This class exists to enable us to open an existing PDF and modify its pages.
 * </p>
 * <p>
 * <span class="BSDLicense"> This software is distributed under the <a
 * href="http://hci.stanford.edu/research/copyright.txt">BSD License</a>.</span>
 * </p>
 * 
 * @author <a href="http://graphics.stanford.edu/~ronyeh">Ron B Yeh</a> (ronyeh(AT)cs.stanford.edu)
 */
public class PDFBundle extends Bundle {

    /**
     * The PDF file we will turn into a bundle.
     */
    private File file;

    /**
     * 
     */
    private int numSheets;

    /**
     * @param pdfFile
     */
    public PDFBundle(File pdfFile) {
        super("PDFSheet: " + pdfFile.getName());
        file = pdfFile;
        addPDFSheetsFromFile();
    }

    /**
     * Reads the PDF file. For each page, create a new PDFSheet referencing that page. Add that
     * sheet to this bundle.
     */
    private void addPDFSheetsFromFile() {
        try {
            final PdfReader reader = new PdfReader(new FileInputStream(file));
            numSheets = reader.getNumberOfPages();
            reader.close();
            for (int i = 0; i < numSheets; i++) {
                // (i+1) because Page Numbers start from 1
                addSheets(new PDFSheet(file, i + 1));
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}