Class ReaderInputStream

java.lang.Object
java.io.InputStream
org.apache.tools.ant.util.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

    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, skipNBytes, transferTo

    Methods inherited from class java.lang.Object

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

    • 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 Details

    • 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