org.apache.pdfbox.io.IOUtils.copy()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中org.apache.pdfbox.io.IOUtils.copy()方法的一些代码示例，展示了IOUtils.copy()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。IOUtils.copy()方法的具体详情如下：
包路径：org.apache.pdfbox.io.IOUtils
类名称：IOUtils
方法名：copy

IOUtils.copy介绍

[英]Copies all the contents from the given input stream to the given output stream.
[中]将所有内容从给定的输入流复制到给定的输出流。

代码示例

代码示例来源：origin: apache/pdfbox

  1. @Override
  2.   protected void encode(InputStream input, OutputStream encoded, COSDictionary parameters)
  3.     throws IOException
  4.   {
  5.     IOUtils.copy(input, encoded);
  6.     encoded.flush();
  7.   }
  8. }

代码示例来源：origin: apache/pdfbox

  1. @Override
  2. public void write(OutputStream out) throws IOException, CMSException
  3. {
  4.   // read the content only one time
  5.   IOUtils.copy(in, out);
  6.   in.close();
  7. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Reads the input stream and returns its contents as a byte array.
  3.  * @param in the input stream to read from.
  4.  * @return the byte array
  5.  * @throws IOException if an I/O error occurs
  6.  */
  7. public static byte[] toByteArray(InputStream in) throws IOException
  8. {
  9.   ByteArrayOutputStream baout = new ByteArrayOutputStream();
  10.   copy(in, baout);
  11.   return baout.toByteArray();
  12. }

代码示例来源：origin: apache/pdfbox

  1. private String getStringOfStream(InputStream in, String encoding)
  2. {
  3.   ByteArrayOutputStream baos = new ByteArrayOutputStream();
  4.   try
  5.   {
  6.     IOUtils.copy(in, baos);
  7.     return baos.toString(encoding);
  8.   }
  9.   catch (IOException e)
  10.   {
  11.     e.printStackTrace();
  12.     return null;
  13.   }
  14. }

代码示例来源：origin: apache/pdfbox

  1. @Override
  2. public DecodeResult decode(InputStream encoded, OutputStream decoded,
  3.                    COSDictionary parameters, int index)
  4.   throws IOException
  5. {
  6.   IOUtils.copy(encoded, decoded);
  7.   decoded.flush();
  8.   return new DecodeResult(parameters);
  9. }

代码示例来源：origin: apache/pdfbox

  1. @Override
  2.   protected void encode(InputStream input, OutputStream encoded, COSDictionary parameters)
  3.     throws IOException
  4.   {
  5.     try (ASCII85OutputStream os = new ASCII85OutputStream(encoded))
  6.     {
  7.       IOUtils.copy(input, os);
  8.     }
  9.     encoded.flush();
  10.   }
  11. }

代码示例来源：origin: apache/pdfbox

  1. public ByteArrayDataSource(InputStream is) throws IOException
  2. {
  3.   data = new ByteArrayOutputStream();
  4.   IOUtils.copy(is, data);
  5.   IOUtils.closeQuietly(is);
  6. }

代码示例来源：origin: apache/pdfbox

  1. private File createTmpFile(InputStream input) throws IOException
  2. {
  3.   File tmpFile = File.createTempFile(TMP_FILE_PREFIX, ".pdf");
  4.   try (FileOutputStream fos = new FileOutputStream(tmpFile))
  5.   {
  6.     IOUtils.copy(input, fos);
  7.     return tmpFile;
  8.   }
  9.   finally
  10.   {
  11.     IOUtils.closeQuietly(input);
  12.   }
  13. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Write an incremental update for a non signature case. This can be used for e.g. augmenting
  3.  * signatures.
  4.  *
  5.  * @throws IOException
  6.  */
  7. private void doWriteIncrement() throws IOException
  8. {
  9.   // write existing PDF
  10.   IOUtils.copy(new RandomAccessInputStream(incrementalInput), incrementalOutput);
  11.   // write the actual incremental update
  12.   incrementalOutput.write(((ByteArrayOutputStream) output).toByteArray());
  13. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * This will copy the stream into a byte array.
  3.  * 
  4.  * @return The byte array of the filteredStream.
  5.  * @throws IOException if an I/O error occurs.
  6.  */
  7. public byte[] toByteArray() throws IOException
  8. {
  9.   ByteArrayOutputStream output = new ByteArrayOutputStream();
  10.   try (InputStream is = createInputStream())
  11.   {
  12.     IOUtils.copy(is, output);
  13.   }
  14.   return output.toByteArray();
  15. }

代码示例来源：origin: apache/pdfbox

  1. @Override
  2. public DecodeResult decode(InputStream encoded, OutputStream decoded,
  3.                    COSDictionary parameters, int index) throws IOException
  4. {
  5.   try (ASCII85InputStream is = new ASCII85InputStream(encoded))
  6.   {
  7.     IOUtils.copy(is, decoded);
  8.   }
  9.   decoded.flush();
  10.   return new DecodeResult(parameters);
  11. }

代码示例来源：origin: apache/pdfbox

  1. private void writeFont(PDFontDescriptor fd, String name) throws IOException
  2. {
  3.   if (fd != null)
  4.   {
  5.     PDStream ff2Stream = fd.getFontFile2();
  6.     if (ff2Stream != null)
  7.     {
  8.       System.out.println("Writing font: " + name);
  9.       try (OutputStream os = new FileOutputStream(new File(name + ".ttf"));
  10.          InputStream is = ff2Stream.createInputStream())
  11.       {
  12.         IOUtils.copy(is, os);
  13.       }
  14.     }
  15.   }
  16. }

代码示例来源：origin: apache/pdfbox

  1. @Override
  2.   protected void encode(InputStream input, OutputStream encoded, COSDictionary parameters)
  3.       throws IOException
  4.   {
  5.     int cols = parameters.getInt(COSName.COLUMNS);
  6.     int rows = parameters.getInt(COSName.ROWS);
  7.     CCITTFaxEncoderStream ccittFaxEncoderStream = 
  8.         new CCITTFaxEncoderStream(encoded, cols, rows, TIFFExtension.FILL_LEFT_TO_RIGHT);
  9.     IOUtils.copy(input, ccittFaxEncoderStream);
  10.     input.close();
  11.   }
  12. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Write externally created signature of PDF data obtained via {@link #getDataToSign()} method.
  3.  *
  4.  * @param cmsSignature CMS signature byte array
  5.  * @throws IllegalStateException if PDF is not prepared for external signing
  6.  * @throws IOException if source data stream is closed
  7.  */
  8. public void writeExternalSignature(byte[] cmsSignature) throws IOException
  9. {
  10.   if (incrementPart == null || incrementalInput == null)
  11.   {
  12.     throw new IllegalStateException("PDF not prepared for setting signature");
  13.   }
  14.   byte[] signatureBytes = Hex.getBytes(cmsSignature);
  15.   // substract 2 bytes because of the enclosing "<>"
  16.   if (signatureBytes.length > signatureLength - 2)
  17.   {
  18.     throw new IOException("Can't write signature, not enough space");
  19.   }
  20.   // overwrite the signature Contents in the buffer
  21.   int incPartSigOffset = (int) (signatureOffset - incrementalInput.length());
  22.   System.arraycopy(signatureBytes, 0, incrementPart, incPartSigOffset + 1, signatureBytes.length);
  23.   // write the data to the incremental output stream
  24.   IOUtils.copy(new RandomAccessInputStream(incrementalInput), incrementalOutput);
  25.   incrementalOutput.write(incrementPart);
  26.   // prevent further use
  27.   incrementPart = null;
  28. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Constructor. Reads all data from the input stream and embeds it into the document with the
  3.  * given filters applied, if any. This method closes the InputStream.
  4.  */
  5. private PDStream(PDDocument doc, InputStream input, COSBase filters) throws IOException
  6. {
  7.   stream = doc.getDocument().createCOSStream();
  8.   try (OutputStream output = stream.createOutputStream(filters))
  9.   {
  10.     IOUtils.copy(input, output);
  11.   }
  12.   finally
  13.   {
  14.     if (input != null)
  15.     {
  16.       input.close();
  17.     }
  18.   }
  19. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Creates a COS stream from raw (encoded) data.
  3.  */
  4. private static COSStream createRawStream(PDDocument document, InputStream rawInput)
  5.     throws IOException
  6. {
  7.   COSStream stream = document.getDocument().createCOSStream();
  8.   try (OutputStream output = stream.createRawOutputStream())
  9.   {
  10.     IOUtils.copy(rawInput, output);
  11.   }
  12.   return stream;
  13. }

代码示例来源：origin: apache/pdfbox

  1. /**
  2.  * Returns the contents of the stream as a PDF "text string".
  3.  */
  4. public String toTextString()
  5. {
  6.   ByteArrayOutputStream out = new ByteArrayOutputStream();
  7.   InputStream input = null;
  8.   try
  9.   {
  10.     input = createInputStream();
  11.     IOUtils.copy(input, out);
  12.   }
  13.   catch (IOException e)
  14.   {
  15.     LOG.debug("An exception occured trying to get the content - returning empty string instead", e);
  16.     return "";
  17.   }
  18.   finally
  19.   {
  20.     IOUtils.closeQuietly(input);
  21.   }
  22.   COSString string = new COSString(out.toByteArray());
  23.   return string.getString();
  24. }

代码示例来源：origin: apache/tika

  1. org.apache.pdfbox.io.IOUtils.copy(data, out);
  2.     org.apache.pdfbox.io.IOUtils.closeQuietly(data);
  3.   } else {
  4.   org.apache.pdfbox.io.IOUtils.copy(data, out);
  5.   org.apache.pdfbox.io.IOUtils.closeQuietly(data);
  6. } else if ("jb2".equals(suffix)) {
  7.   InputStream data = pdImage.createInputStream(JB2);
  8.   org.apache.pdfbox.io.IOUtils.copy(data, out);
  9.   org.apache.pdfbox.io.IOUtils.closeQuietly(data);
  10. } else{

代码示例来源：origin: apache/pdfbox

  1. private COSStream createCombinedContentStream(COSBase contents) throws IOException
  2. {
  3.   List<COSStream> contentStreams = createContentStreamList(contents);
  4.   // concatenate streams
  5.   COSStream concatStream = inputPDFDocument.getDocument().createCOSStream();
  6.   try (OutputStream out = concatStream.createOutputStream(COSName.FLATE_DECODE))
  7.   {
  8.     for (COSStream contentStream : contentStreams)
  9.     {
  10.       try (InputStream in = contentStream.createInputStream())
  11.       {
  12.         IOUtils.copy(in, out);
  13.         out.flush();
  14.       }
  15.     }
  16.   }
  17.   return concatStream;
  18. }

代码示例来源：origin: apache/pdfbox

  1. IOUtils.copy(input, getStandardOutput());

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