Java 类com.itextpdf.text.ExceptionConverter 实例源码

public void cellLayout(PdfPCell cell, Rectangle position,
                               PdfContentByte[] canvases) {
            PdfWriter writer = canvases[0].getPdfWriter();
            float x = position.getLeft();
            float y = position.getBottom();
            Rectangle rect = new Rectangle(x-5, y-5, x+5, y+5);
            RadioCheckField checkbox = new RadioCheckField(
                    writer, rect, name, "Yes");
            checkbox.setCheckType(RadioCheckField.TYPE_CROSS);
            checkbox.setChecked(check);
// change: set border color
            checkbox.setBorderColor(BaseColor.BLACK);

            try {
                pdfStamper.addAnnotation(checkbox.getCheckField(), page);
            } catch (Exception e) {
                throw new ExceptionConverter(e);
            }
        }

/**
 * <a href="http://stackoverflow.com/questions/29209553/itextsharp-pdftextextractor-gettextfrompage-throwing-nullreferenceexception">
 * iTextSharp PdfTextExtractor GetTextFromPage Throwing NullReferenceException
 * </a>
 * 
 * Test using an incomplete, invalid copy of stockQuotes_03232015.pdf from
 * http://www.pse.com.ph/stockMarket/marketInfo-marketActivity.html?tab=4
 */
@Test
public void testStockQuotes_03232015_Incomplete() throws Exception
{
    InputStream resourceStream = getClass().getResourceAsStream("stockQuotes_03232015-incomplete.pdf");
    try
    {
        PdfReader reader = new PdfReader(resourceStream);
        String content = extractAndStore(reader, new File(RESULT_FOLDER, "stockQuotes_03232015-incomplete.%s.txt").toString());

        System.out.println("\nText stockQuotes_03232015-incomplete.pdf\n************************");
        System.out.println(content);
        System.out.println("************************");
    }
    catch (ExceptionConverter e)
    {
        System.err.println("\nException for stockQuotes_03232015-incomplete.pdf\n************************");
        e.printStackTrace();
        System.err.println("************************");
    }
    finally
    {
        if (resourceStream != null)
            resourceStream.close();
    }
}

/**
 * Adds a header to every page
 * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(
 *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
 */
public void onEndPage(PdfWriter writer, Document document) {
    PdfPTable table = new PdfPTable(3);
    try {
        table.setWidths(new int[]{40,5,10});
        table.setTotalWidth(100);
        table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
        table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
        Font font=new Font(chineseFont,8);
        font.setColor(new BaseColor(55,55,55));
        Paragraph paragraph=new Paragraph("第   "+writer.getPageNumber()+" 页   共",font);
        paragraph.setAlignment(Element.ALIGN_RIGHT);
        table.addCell(paragraph);
        Image img=Image.getInstance(total);
        img.scaleAbsolute(28, 28);
        PdfPCell cell = new PdfPCell(img);
        cell.setBorder(Rectangle.NO_BORDER);
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        table.addCell(cell);
        PdfPCell c = new PdfPCell(new Paragraph("页",font));
        c.setHorizontalAlignment(Element.ALIGN_LEFT);
        c.setBorder(Rectangle.NO_BORDER);
        table.addCell(c);
        float center=(document.getPageSize().getWidth())/2-120/2;
        table.writeSelectedRows(0, -1,center,30, writer.getDirectContent());
    }
    catch(DocumentException de) {
        throw new ExceptionConverter(de);
    }
}

public void cellLayout(PdfPCell cell, Rectangle rectangle, PdfContentByte[] canvases) {
            final PdfWriter writer = canvases[0].getPdfWriter();
            final TextField textField = new TextField(writer, rectangle, fieldname);
// change: set border color
            textField.setBorderColor(BaseColor.BLACK);
            try {
                final PdfFormField field = textField.getTextField();
                pdfStamper.addAnnotation(field, page);
            } catch (final IOException ioe) {
                throw new ExceptionConverter(ioe);
            } catch (final DocumentException de) {
                throw new ExceptionConverter(de);
            }
        }

/**
 * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
 */
public void onEndPage(PdfWriter writer, Document document) {
    PdfContentByte cb = writer.getDirectContent();
    cb.saveState();
    // write the headertable
    table.setTotalWidth(document.right() - document.left());
    table.writeSelectedRows(0, -1, document.left(), document.getPageSize().getHeight() - 50, cb);
    // compose the footer
    String text = "Page " + writer.getPageNumber() + " of ";
    float textSize = helv.getWidthPoint(text, 12);
    float textBase = document.bottom() - 20;
    cb.beginText();
    cb.setFontAndSize(helv, 12);
    // for odd pagenumbers, show the footer at the left
    if ((writer.getPageNumber() & 1) == 1) {
        cb.setTextMatrix(document.left(), textBase);
        cb.showText(text);
        cb.endText();
        cb.addTemplate(tpl, document.left() + textSize, textBase);
    }
    // for even numbers, show the footer at the right
    else {
        float adjust = helv.getWidthPoint("0", 12);
        cb.setTextMatrix(document.right() - textSize - adjust, textBase);
        cb.showText(text);
        cb.endText();
        cb.addTemplate(tpl, document.right() - adjust, textBase);
    }
    cb.saveState();
    // draw a Rectangle around the page
    cb.setColorStroke(BaseColor.ORANGE);
    cb.setLineWidth(2);
    cb.rectangle(20, 20, document.getPageSize().getWidth() - 40, document.getPageSize().getHeight() - 40);
    cb.stroke();
    cb.restoreState();
    // starting on page 3, a watermark with an Image that is made transparent
    if (writer.getPageNumber() >= 3) {
        cb.setGState(gstate);
        cb.setColorFill(BaseColor.RED);
        cb.beginText();
        cb.setFontAndSize(helv, 48);
        cb.showTextAligned(Element.ALIGN_CENTER, "Watermark Opacity " + writer.getPageNumber(), document.getPageSize().getWidth() / 2, document.getPageSize().getHeight() / 2, 45);
        cb.endText();
        try {
            cb.addImage(headerImage, headerImage.getWidth(), 0, 0, headerImage.getHeight(), 440, 80);
        }
        catch(Exception e) {
            throw new ExceptionConverter(e);
        }
        cb.restoreState();
    }
    cb.sanityCheck();
}

public void cellLayout(final PdfPCell cell,
                       final Rectangle position,
                       final PdfContentByte[] canvases) {
  try {
    final BaseFont bf = font.getCalculatedBaseFont(false);
    float availableWidth = position.getWidth();
    float contentWidth = bf.getWidthPoint(content, font.getSize());

    final String newContent;
    if (contentWidth > availableWidth) {
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Need to truncate '"
            + content
            + "'");
      }

      final int contentLength = content.length();
      int leftChar = 0;
      availableWidth -= bf.getWidthPoint("...", font.getSize());
      while (leftChar < contentLength) {
        availableWidth -= bf.getWidthPoint(content.charAt(leftChar), font.getSize());
        if (availableWidth > 0) {
          leftChar++;
        } else {
          break;
        }
      }
      newContent = content.substring(0, leftChar)
          + "...";
    } else {
      if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("Not truncating '"
            + content
            + "'");
      }

      newContent = content;
    }
    final PdfContentByte canvas = canvases[PdfPTable.TEXTCANVAS];
    final ColumnText ct = new ColumnText(canvas);
    ct.setSimpleColumn(position);
    ct.addElement(new Paragraph(newContent, font));
    ct.go();
  } catch (final DocumentException e) {
    throw new ExceptionConverter(e);
  }
}