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Showing content from https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/StringBufferInputStream.html below:

StringBufferInputStream (Java SE 21 & JDK 21)

All Implemented Interfaces:

Closeable, AutoCloseable

This class allows an application to create an input stream in which the bytes read are supplied by the contents of a string. Applications can also read bytes from a byte array by using a

.

Only the low eight bits of each character in the string are used by this class.

Since:

1.0

See Also:

• ByteArrayInputStream
• StringReader

• Field Summary

  Fields

  Deprecated.

  The string from which bytes are read.

  protected int

  Deprecated.

  The number of valid characters in the input stream buffer.

  protected int

  Deprecated.

  The index of the next character to read from the input stream buffer.

• Constructor Summary

  Constructors

  Deprecated.

  Creates a string input stream to read data from the specified string.

• Method Summary

  int

  Deprecated.

  Returns the number of bytes that can be read from the input stream without blocking.

  int

  Deprecated.

  Reads the next byte of data from this input stream.

  int

  read(byte[] b, int off, int len)

  Deprecated.

  Reads up to len bytes of data from this input stream into an array of bytes.

  void

  Deprecated.

  Resets the input stream to begin reading from the first character of this input stream's underlying buffer.

  long

  Deprecated.

  Skips n bytes of input from this input stream.

  Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Field Details
  • buffer

    Deprecated.

    The string from which bytes are read.

  • pos

    protected int pos

    Deprecated.

    The index of the next character to read from the input stream buffer.

    See Also:

    • buffer

  • count

    protected int count

    Deprecated.

    The number of valid characters in the input stream buffer.

    See Also:

    • buffer

• Constructor Details
  • StringBufferInputStream public StringBufferInputStream(String s)

    Deprecated.

    Creates a string input stream to read data from the specified string.

    Parameters:

    s - the underlying input buffer.

• Method Details
  • read

    public int read()

    Deprecated.

    Reads the next byte of data from this input stream. The value byte is returned as an int in the range 0 to 255. If no byte is available because the end of the stream has been reached, the value -1 is returned.

    Specified by:

    read in class InputStream

    Implementation Requirements:

    The read method of StringBufferInputStream cannot block. It returns the low eight bits of the next character in this input stream's buffer.

    Returns:

    the next byte of data, or -1 if the end of the stream is reached.

  • read

    public int read(byte[] b, int off, int len)

    Deprecated.

    Reads up to len bytes of data from this input stream into an array of bytes.

    Overrides:

    read in class InputStream

    Implementation Requirements:

    The read method of StringBufferInputStream cannot block. It copies the low eight bits from the characters in this input stream's buffer into the byte array argument.

    Parameters:

    b - the buffer into which the data is read.

    off - the start offset in array b at which the data is written.

    len - the maximum number of bytes to read.

    Returns:

    the total number of bytes read into the buffer, or -1 if there is no more data because the end of the stream has been reached.

    See Also:

    • InputStream.read()

  • skip

    public long skip(long n)

    Deprecated.

    Skips n bytes of input from this input stream. Fewer bytes might be skipped if the end of the input stream is reached.

    Overrides:

    skip in class InputStream

    Parameters:

    n - the number of bytes to be skipped.

    Returns:

    the actual number of bytes skipped.

    See Also:

    • InputStream.skipNBytes(long)

  • available

    public int available()

    Deprecated.

    Returns the number of bytes that can be read from the input stream without blocking.

    Overrides:

    available in class InputStream

    Returns:

    the value of count - pos, which is the number of bytes remaining to be read from the input buffer.

  • reset

    public void reset()

    Deprecated.

    Resets the input stream to begin reading from the first character of this input stream's underlying buffer.

    Overrides:

    reset in class InputStream

    See Also:

    • InputStream.mark(int)
    • IOException

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