Java Code Examples for com.itextpdf.text.pdf.PdfReader#getInfo()

/**
 * <a href="http://stackoverflow.com/questions/43511558/how-to-set-attributes-for-existing-pdf-that-contains-only-images-using-java-itex">
 * how to set attributes for existing pdf that contains only images using java itext?
 * </a>
 * <p>
 * The OP indicated in a comment that he searches a solution without a second file.
 * This test shows how to work with a single file, by first loading the file into a byte array.
 * </p>
 */
@Test
public void testChangeTitleWithoutTempFile() throws IOException, DocumentException
{
    File singleFile = new File(RESULT_FOLDER, "eg_01-singleFile.pdf");
    try (   InputStream resource = getClass().getResourceAsStream("eg_01.pdf")  )
    {
        Files.copy(resource, singleFile.toPath());
    }

    byte[] original = Files.readAllBytes(singleFile.toPath());

    PdfReader reader = new PdfReader(original);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(singleFile));
    Map<String, String> info = reader.getInfo();
    info.put("Title", "New title");
    info.put("CreationDate", new PdfDate().toString());
    stamper.setMoreInfo(info);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    XmpWriter xmp = new XmpWriter(baos, info);
    xmp.close();
    stamper.setXmpMetadata(baos.toByteArray());
    stamper.close();
    reader.close();
}
 

public static CropJob createCropJob(ClusterJob curClusterJob) throws IOException {
    File source = curClusterJob.getSource();
    if (source != null && source.exists()) {
        PdfReader reader = new PdfReader(source.getAbsolutePath());
        CropJob result = new CropJob(source, reader.getNumberOfPages(), reader.getInfo(),
            SimpleBookmark.getBookmark(reader));
        reader.close();
        result.setClusterCollection(curClusterJob.getClusterCollection());
        return result;
    }
    return null;
}
 

public static CropJob createCropJob(File source) throws IOException {
    CropJob result = null;
    if (source != null && source.exists()) {
        PdfReader reader = new PdfReader(source.getAbsolutePath());
        result = new CropJob(source, reader.getNumberOfPages(), reader.getInfo(), SimpleBookmark.getBookmark(reader));
        reader.close();
        return result;
    }
    return result;
}
 

public PdfMetaInformation(final File source) throws IOException {
    PdfReader reader = new PdfReader(source.getAbsolutePath());
    this.sourcePageCount = reader.getNumberOfPages();
    this.sourceMetaInfo = reader.getInfo();
    this.sourceBookmarks = SimpleBookmark.getBookmark(reader);
    reader.close();

}