com.caucho.vfs
Class StringReader

java.lang.Object
  com.caucho.vfs.StreamImpl
      com.caucho.vfs.StringReader

public class StringReader
extends StreamImpl

A stream reading data from a string. The reader produces bytes using UTF-8.

Field Summary

Fields inherited from class com.caucho.vfs.StreamImpl

_nullPath, _path

Method Summary

boolean	canRead() The string reader can always read.
int	getAvailable() Returns the number of characters available as an approximation to the number of bytes ready.
static ReadStream	open(java.lang.String string) Creates a new ReadStream reading bytes from the given string.
int	read(byte[] buf, int offset, int length) Reads the next chunk from the stream.

Methods inherited from class com.caucho.vfs.StreamImpl

canWrite, clearWrite, close, closeWrite, flush, flushBuffer, flushToDisk, getAttribute, getAttributeNames, getFlushOnNewline, getNewline, getPath, getReadBuffer, getReadPosition, hasSkip, isClosed, isEof, readNonBlock, readTimeout, removeAttribute, seekEnd, seekStart, setAttribute, setPath, setWriteEncoding, skip, write, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

open

public static ReadStream open(java.lang.String string)

Creates a new ReadStream reading bytes from the given string.

Parameters:

string - the source string.

Returns:

a ReadStream reading from the string.

canRead

public boolean canRead()

The string reader can always read.

Overrides:

canRead in class StreamImpl

read

public int read(byte[] buf,
                int offset,
                int length)
         throws java.io.IOException

Description copied from class: StreamImpl

Reads the next chunk from the stream.

Overrides:

read in class StreamImpl

Parameters:

buf - byte array receiving the data.

offset - starting offset into the array.

length - number of bytes to read.

Returns:

the number of bytes read or -1 on end of file.

Throws:

java.io.IOException

getAvailable

public int getAvailable()
                 throws java.io.IOException

Returns the number of characters available as an approximation to the number of bytes ready.

Overrides:

getAvailable in class StreamImpl

Throws:

java.io.IOException