Class Reader

Abstract class for reading character streams. The only methods that a subclass must implement are read(string, number, number) and close(). Most subclasses, however, will override some of the methods defined here in order to provide higher efficiency, additional functionality, or both.

See java.io.Reader for full documentation

Hierarchy

Implements

Constructors

constructor

Methods

close mark markSupported read ready reset skip transferTo nullReader

Constructors

constructor

Methods

close

  • Closes the stream and releases any system resources associated with it.

    Returns void

mark

  • Marks the present position in the stream.

    Parameters

    • readAheadLimit: number

    Returns void

markSupported

  • Tells whether this stream supports the mark() operation.

    Returns boolean

read

  • Reads a single character.

    Returns number

  • Reads characters into an array.

    Parameters

    • cbuf: string

    Returns number

  • Reads characters into a portion of an array.

    Parameters

    • cbuf: string
    • off: number
    • len: number

    Returns number

ready

  • Tells whether this stream is ready to be read.

    Returns boolean

reset

  • Resets the stream.

    Returns void

skip

  • Skips characters.

    Parameters

    • n: number

    Returns number

transferTo

  • Reads all characters from this reader and writes the characters to the given writer in the order that they are read.

    Parameters

    Returns number

Static nullReader

  • Returns a new Reader that reads no characters.

    Returns Reader

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