Class ReaderInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    Direct Known Subclasses:
    StringInputStream

    public class ReaderInputStream
    extends java.io.InputStream
    Adapts a Reader as an InputStream.

    This is a stripped down version of org.apache.commons.io.input.ReaderInputStream of Apache Commons IO 2.7.

    • Constructor Summary

      Constructors 
      Constructor Description
      ReaderInputStream​(java.io.Reader reader)
      Construct a ReaderInputStream for the specified Reader.
      ReaderInputStream​(java.io.Reader reader, java.lang.String encoding)
      Construct a ReaderInputStream for the specified Reader, with the specified encoding.
      ReaderInputStream​(java.io.Reader reader, java.nio.charset.Charset charset)
      Construct a ReaderInputStream for the specified Reader, with the specified encoding.
      ReaderInputStream​(java.io.Reader reader, java.nio.charset.CharsetEncoder encoder)
      Construct a new ReaderInputStream.
      ReaderInputStream​(java.io.Reader reader, java.nio.charset.CharsetEncoder encoder, int bufferSize)
      Construct a new ReaderInputStream.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Close the stream.
      int read()
      Read a single byte.
      int read​(byte[] b)
      Read the specified number of bytes into an array.
      int read​(byte[] array, int off, int len)
      Read the specified number of bytes into an array.
      • Methods inherited from class java.io.InputStream

        available, mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ReaderInputStream

        public ReaderInputStream​(java.io.Reader reader,
                                 java.nio.charset.CharsetEncoder encoder)
        Construct a new ReaderInputStream.
        Parameters:
        reader - the target Reader
        encoder - the charset encoder
        Since:
        1.10.9
      • ReaderInputStream

        public ReaderInputStream​(java.io.Reader reader,
                                 java.nio.charset.CharsetEncoder encoder,
                                 int bufferSize)
        Construct a new ReaderInputStream.
        Parameters:
        reader - the target Reader
        encoder - the charset encoder
        bufferSize - the size of the input buffer in number of characters
        Since:
        1.10.9
      • ReaderInputStream

        public ReaderInputStream​(java.io.Reader reader)
        Construct a ReaderInputStream for the specified Reader.
        Parameters:
        reader - Reader. Must not be null.
      • ReaderInputStream

        public ReaderInputStream​(java.io.Reader reader,
                                 java.lang.String encoding)
        Construct a ReaderInputStream for the specified Reader, with the specified encoding.
        Parameters:
        reader - non-null Reader.
        encoding - non-null String encoding.
      • ReaderInputStream

        public ReaderInputStream​(java.io.Reader reader,
                                 java.nio.charset.Charset charset)
        Construct a ReaderInputStream for the specified Reader, with the specified encoding.
        Parameters:
        reader - non-null Reader.
        charset - non-null Charset charset.
        Since:
        Ant 1.10.6
    • Method Detail

      • read

        public int read​(byte[] array,
                        int off,
                        int len)
                 throws java.io.IOException
        Read the specified number of bytes into an array.
        Overrides:
        read in class java.io.InputStream
        Parameters:
        array - the byte array to read into
        off - the offset to start reading bytes into
        len - the number of bytes to read
        Returns:
        the number of bytes read or -1 if the end of the stream has been reached
        Throws:
        java.io.IOException - if an I/O error occurs
      • read

        public int read​(byte[] b)
                 throws java.io.IOException
        Read the specified number of bytes into an array.
        Overrides:
        read in class java.io.InputStream
        Parameters:
        b - the byte array to read into
        Returns:
        the number of bytes read or -1 if the end of the stream has been reached
        Throws:
        java.io.IOException - if an I/O error occurs
      • read

        public int read()
                 throws java.io.IOException
        Read a single byte.
        Specified by:
        read in class java.io.InputStream
        Returns:
        either the byte read or -1 if the end of the stream has been reached
        Throws:
        java.io.IOException - if an I/O error occurs
      • close

        public void close()
                   throws java.io.IOException
        Close the stream. This method will cause the underlying Reader to be closed.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.InputStream
        Throws:
        java.io.IOException - if an I/O error occurs