Package org.apache.tools.ant.util

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. Adapted from StringInputStream.

    • 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.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int available()  
      void close()
      Closes the Reader.
      void mark​(int limit)
      Marks the read limit of the Reader.
      boolean markSupported()  
      int read()
      Reads from the Reader, returning the same value.
      int read​(byte[] b, int off, int len)
      Reads from the Reader into a byte array
      void reset()
      Resets the Reader.

      • Methods inherited from class java.io.InputStream

        nullInputStream, read, readAllBytes, readNBytes, readNBytes, 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)
        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()
         throws java.io.IOException
        Reads from the Reader, returning the same value.
        Specified by:
        read in class java.io.InputStream
        Returns:
        the value of the next character in the Reader.
        Throws:
        java.io.IOException - if the original Reader fails to be read

      • read

        public int read​(byte[] b,
                int off,
                int len)
         throws java.io.IOException
        Reads from the Reader into a byte array
        Overrides:
        read in class java.io.InputStream
        Parameters:
        b - the byte array to read into
        off - the offset in the byte array
        len - the length in the byte array to fill
        Returns:
        the actual number read into the byte array, -1 at the end of the stream
        Throws:
        java.io.IOException - if an error occurs

      • mark

        public void mark​(int limit)
        Marks the read limit of the Reader.
        Overrides:
        mark in class java.io.InputStream
        Parameters:
        limit - the maximum limit of bytes that can be read before the mark position becomes invalid

      • available

        public int available()
              throws java.io.IOException
        Overrides:
        available in class java.io.InputStream
        Returns:
        the current number of bytes ready for reading
        Throws:
        java.io.IOException - if an error occurs

      • markSupported

        public boolean markSupported()
        Overrides:
        markSupported in class java.io.InputStream
        Returns:
        false - mark is not supported

      • reset

        public void reset()
           throws java.io.IOException
        Resets the Reader.
        Overrides:
        reset in class java.io.InputStream
        Throws:
        java.io.IOException - if the Reader fails to be reset

      • close

        public void close()
           throws java.io.IOException
        Closes the Reader.
        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 the original Reader fails to be closed