Package org.exbin.xbup.core.util

Class StreamUtils

  • @ParametersAreNonnullByDefault
public final class StreamUtils
extends java.lang.Object
    Utilities for stream data manipulations.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean compareStreams​(java.io.InputStream stream, java.io.InputStream compStream)
      Compares two streams for matching data.
      static void copyFixedSizeInputStreamToOutputStream​(java.io.InputStream source, java.io.OutputStream target, long size)
      Copies data of given size from input stream to output stream using 1k buffer with size limitation.
      static void copyInputStreamToOutputStream​(java.io.InputStream source, java.io.OutputStream target)
      Copies all data from input stream to output stream using 1k buffer.
      static void copyInputStreamToOutputStream​(java.io.InputStream source, java.io.OutputStream target, long size)
      Copies all data from input stream to output stream using 1k buffer with size limitation.
      static void copyInputStreamToTwoOutputStreams​(java.io.InputStream source, java.io.OutputStream target, java.io.OutputStream secondTarget)
      Copies all data from input stream to two output streams using 1k buffer.
      static void skipInputStreamData​(java.io.InputStream source)
      Skips all remaining data from input stream.
      static void skipInputStreamData​(java.io.InputStream source, long skipBytes)
      Skips given amount of data from input stream.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • copyInputStreamToOutputStream

        public static void copyInputStreamToOutputStream​(java.io.InputStream source,
                                                 java.io.OutputStream target)
                                          throws java.io.IOException
        Copies all data from input stream to output stream using 1k buffer.
        Parameters:
        source - input stream
        target - output stream
        Throws:
        java.io.IOException - if read or write fails

      • copyInputStreamToOutputStream

        public static void copyInputStreamToOutputStream​(java.io.InputStream source,
                                                 java.io.OutputStream target,
                                                 long size)
                                          throws java.io.IOException
        Copies all data from input stream to output stream using 1k buffer with size limitation.
        Parameters:
        source - input stream
        target - output stream
        size - data size limitation
        Throws:
        java.io.IOException - if read or write fails

      • copyFixedSizeInputStreamToOutputStream

        public static void copyFixedSizeInputStreamToOutputStream​(java.io.InputStream source,
                                                          java.io.OutputStream target,
                                                          long size)
                                                   throws java.io.IOException
        Copies data of given size from input stream to output stream using 1k buffer with size limitation.
        Parameters:
        source - input stream
        target - output stream
        size - data size limitation
        Throws:
        java.io.IOException - if read or write fails

      • skipInputStreamData

        public static void skipInputStreamData​(java.io.InputStream source)
                                throws java.io.IOException
        Skips all remaining data from input stream.
        Parameters:
        source - input stream
        Throws:
        java.io.IOException - if read fails

      • skipInputStreamData

        public static void skipInputStreamData​(java.io.InputStream source,
                                       long skipBytes)
                                throws java.io.IOException
        Skips given amount of data from input stream.
        Parameters:
        source - input stream
        skipBytes - number of bytes to skip
        Throws:
        java.io.IOException - if skip fails

      • copyInputStreamToTwoOutputStreams

        public static void copyInputStreamToTwoOutputStreams​(java.io.InputStream source,
                                                     java.io.OutputStream target,
                                                     java.io.OutputStream secondTarget)
                                              throws java.io.IOException
        Copies all data from input stream to two output streams using 1k buffer.
        Parameters:
        source - input stream
        target - output stream
        secondTarget - second output stream
        Throws:
        java.io.IOException - if read or write fails

      • compareStreams

        public static boolean compareStreams​(java.io.InputStream stream,
                                     java.io.InputStream compStream)
                              throws java.io.IOException
        Compares two streams for matching data.
        Parameters:
        stream - one stream
        compStream - other stream
        Returns:
        true if both streams have same data and length
        Throws:
        java.io.IOException - if read or write fails