PDFBOX详解

 1 /**2      * Add an image to an existing PDF document.3      *4      * @param inputFile The input PDF to add the image to.5      * @param image The filename of the image to put in the PDF.6      * @param outputFile The file to write to the pdf to.7      *8      * @throws IOException If there is an error writing the data.9      * @throws COSVisitorException If there is an error writing the PDF.
10      */
11     public void createPDFFromImage( String inputFile, String image, String outputFile ) 
12         throws IOException, COSVisitorException
13     {
14         // the document
15         PDDocument doc = null;
16         try
17         {
18             doc = PDDocument.load( inputFile );
19 
20             //we will add the image to the first page.
21             PDPage page = (PDPage)doc.getDocumentCatalog().getAllPages().get( 0 );
22 
23             PDXObjectImage ximage = null;
24             if( image.toLowerCase().endsWith( ".jpg" ) )
25             {
26                 ximage = new PDJpeg(doc, new FileInputStream( image ) );
27             }
28             else if (image.toLowerCase().endsWith(".tif") || image.toLowerCase().endsWith(".tiff"))
29             {
30                 ximage = new PDCcitt(doc, new RandomAccessFile(new File(image),"r"));
31             }
32             else
33             {
34                 BufferedImage awtImage = ImageIO.read( new File( image ) );
35                 ximage = new PDPixelMap(doc, awtImage);
36             }
37             PDPageContentStream contentStream = new PDPageContentStream(doc, page, true, true);
38 
39             //contentStream.drawImage(ximage, 20, 20 );
40             // better method inspired by http://stackoverflow.com/a/22318681/535646
41             float scale = 0.5f; // reduce this value if the image is too large
42             System.out.println(ximage.getHeight());
43             System.out.println(ximage.getWidth());
44 //            ximage.setHeight(ximage.getHeight()/5);
45 //            ximage.setWidth(ximage.getWidth()/5);
46             contentStream.drawXObject(ximage, 20, 200, ximage.getWidth()*scale, ximage.getHeight()*scale);
47 
48             contentStream.close();
49             doc.save( outputFile );
50         }
51         finally
52         {
53             if( doc != null )
54             {
55                 doc.close();
56             }
57         }
58     }

 1 public void toImage() {2     try {3         PDDocument doc = PDDocument4                 .load("F:\\java56班\\eclipse-SDK-4.2-win32\\pdfwithText.pdf");5         int pageCount = doc.getPageCount();6         System.out.println(pageCount);7         List pages = doc.getDocumentCatalog().getAllPages();8         for (int i = 0; i < pages.size(); i++) {9             PDPage page = (PDPage) pages.get(i);
10             BufferedImage image = page.convertToImage();
11             Iterator iter = ImageIO.getImageWritersBySuffix("jpg");
12             ImageWriter writer = (ImageWriter) iter.next();
13             File outFile = new File("F:\\java56班\\eclipse-SDK-4.2-win32\\"
14                     + i + ".jpg");
15             FileOutputStream out = new FileOutputStream(outFile);
16             ImageOutputStream outImage = ImageIO
17                     .createImageOutputStream(out);
18             writer.setOutput(outImage);
19             writer.write(new IIOImage(image, null, null));
20         }
21         doc.close();
22         System.out.println("over");
23     } catch (FileNotFoundException e) {
24         // TODO Auto-generated catch block
25         e.printStackTrace();
26     } catch (IOException e) {
27         // TODO Auto-generated catch block
28         e.printStackTrace();
29     }
30 }

 1 /**2      * create the second sample document from the PDF file format specification.3      * 4      * @param file5      *            The file to write the PDF to.6      * @param image7      *            The filename of the image to put in the PDF.8      * 9      * @throws IOException
10      *             If there is an error writing the data.
11      * @throws COSVisitorException
12      *             If there is an error writing the PDF.
13      */
14     public void createPDFFromImage(String file, String image)throws IOException, COSVisitorException {
15         // 多张图片转换为PDF文件
16         PDDocument doc = null;
17         doc = new PDDocument();
18         PDPage page = null;
19         PDXObjectImage ximage = null;
20         PDPageContentStream contentStream = null;
21 
22         File files = new File(image);
23         String[] a = files.list();
24         for (String string : a) {
25             if (string.toLowerCase().endsWith(".jpg")) {
26                 String temp = image + "\\" + string;
27                 ximage = new PDJpeg(doc, new FileInputStream(temp));
28                 page = new PDPage();
29                 doc.addPage(page);
30                 contentStream = new PDPageContentStream(doc, page);
31                 float scale = 0.5f;
32                 contentStream.drawXObject(ximage, 20, 400, ximage.getWidth()
33                         * scale, ximage.getHeight() * scale);
34                 
35                 PDFont font = PDType1Font.HELVETICA_BOLD;
36                 contentStream.beginText();
37                 contentStream.setFont(font, 12);
38                 contentStream.moveTextPositionByAmount(100, 700);
39                 contentStream.drawString("Hello");
40                 contentStream.endText();
41                 
42                 contentStream.close();
43             }
44         }
45         doc.save(file);
46         doc.close();
47     }

 1  /**2      * Locate a string in a PDF and replace it with a new string.3      *4      * @param inputFile The PDF to open.5      * @param outputFile The PDF to write to.6      * @param strToFind The string to find in the PDF document.7      * @param message The message to write in the file.8      *9      * @throws IOException If there is an error writing the data.
10      * @throws COSVisitorException If there is an error writing the PDF.
11      */
12     public void doIt( String inputFile, String outputFile, String strToFind, String message)
13         throws IOException, COSVisitorException
14     {
15         // the document
16         PDDocument doc = null;
17         try
18         {
19             doc = PDDocument.load( inputFile );
20 //            PDFTextStripper stripper=new PDFTextStripper("ISO-8859-1");
21             List pages = doc.getDocumentCatalog().getAllPages();
22             for( int i=0; i

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