Package com.saperion.util

Class StreamUtil

java.lang.Object
com.saperion.util.StreamUtil
public final class StreamUtil extends Object
Utility class for copying streams, file channels and append byte arrays.

  • Method Details

    • copyInToOut

      public static void copyInToOut(InputStream in, String inputEncoding, OutputStream out, String outputEncoding, int bufferSize, boolean forceClose) throws IOException
      Copies the content from in to out.
      Parameters:
      in - The source InputStream.
      inputEncoding - The encoding of the input stream.
      out - The destination OutputStream.
      outputEncoding - The encoding of the output stream.
      bufferSize - The buffer size.
      forceClose - If true, the given streams will be closed after execution.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • copyInToOut

      public static void copyInToOut(InputStream in, OutputStream out, ByteBuffer buffer, boolean forceClose) throws IOException
      Copies the content from in to out.
      Parameters:
      in - The source InputStream.
      out - The destination OutputStream.
      buffer - The buffer size.
      forceClose - If true, the given channels will be closed after execution.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • transferFrom

      public static void transferFrom(ReadableByteChannel in, FileChannel out, int buffer, boolean forceClose) throws IOException
      Transfers (copies) the content from in to out.
      Parameters:
      in - The source ReadableByteChannel.
      out - The destination FileChannel.
      buffer - The buffer size.
      forceClose - If true, the given channels will be closed after execution.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • transferTo

      public static void transferTo(FileChannel in, WritableByteChannel out, int buffer, boolean forceClose) throws IOException
      Transforms (copies) the content of the given FileChannel to the given WritableByteChannel.
      Parameters:
      in - The FileChannel to read byte from.
      out - The WritableByteChannel to transform bytes to.
      buffer - The buffer size.
      forceClose - If true, the given channels will be closed after execution.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • transferTo

      public static long transferTo(ReadableByteChannel in, WritableByteChannel out, int size, boolean forceClose) throws IOException
      Throws:
      IOException

    • copyInToOut

      @Deprecated public static void copyInToOut(InputStream in, OutputStream out, int bufferSize, boolean forceClose) throws IOException
      Deprecated.
      Use Streams.stream(java.io.InputStream, java.io.OutputStream, int) instead.
      Copies the content of the given InputStream to the given OutputStream.
      Parameters:
      in - The InputStream to read the content from.
      out - The OutputStream to copy the content to.
      bufferSize - The buffer size.
      forceClose - If true, the given streams will be closed after execution.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • append

      public static byte[] append(byte[] array1, byte[] array2)
      Creates a new array from the content of the two given byte arrays.
      Parameters:
      array1 - The first content array.
      array2 - The second content array.
      Returns:
      The newly created byte array.

    • readBytes

      @Deprecated public static byte[] readBytes(InputStream in, int bufferSize, boolean forceClose) throws IOException
      Deprecated.
      use Streams.convertInputStreamToByteArray(java.io.InputStream) instead
      Creates a byte array of the given InputStream and returns it.
      Parameters:
      in - The InputSteam in to copy.
      bufferSize - The size of the array to be created.
      forceClose - It true, all streams will be closed.
      Returns:
      the created byte array.
      Throws:
      IOException - Throws an IOException if an IO error occurs.

    • closeQuietly

      public static void closeQuietly(Closeable closeable)

    • compare

      public static boolean compare(InputStream content1, InputStream content2) throws IOException
      Compares the given input streams (pair-wise byte comparison).
      Parameters:
      content1 - The first InputStream in question.
      content2 - The second InputStream in question.
      Returns:
      Returns true, if the given stream are equal.
      Throws:
      IOException - Throws an IOException if an IO error occurs.