public final class UTF8Reader
extends java.io.Reader
A UTF-8 reader.
| Modifier and Type | Field and Description | 
|---|---|
| static int | DEFAULT_BUFFER_SIZEDefault byte buffer size (2048). | 
| protected byte[] | fBufferByte buffer. | 
| protected java.io.InputStream | fInputStreamInput stream. | 
| protected int | fOffsetOffset into buffer. | 
| Constructor and Description | 
|---|
| UTF8Reader(java.io.InputStream inputStream)Constructs a UTF-8 reader from the specified input stream
 using the default buffer size. | 
| UTF8Reader(java.io.InputStream inputStream,
          byte[] buffer,
          MessageFormatter messageFormatter,
          java.util.Locale locale)Constructs a UTF-8 reader from the specified input stream,
 buffer and MessageFormatter. | 
| UTF8Reader(java.io.InputStream inputStream,
          int size,
          MessageFormatter messageFormatter,
          java.util.Locale locale)Constructs a UTF-8 reader from the specified input stream,
 buffer size and MessageFormatter. | 
| UTF8Reader(java.io.InputStream inputStream,
          MessageFormatter messageFormatter,
          java.util.Locale locale)Constructs a UTF-8 reader from the specified input stream
 using the default buffer size and the given MessageFormatter. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | close()Close the stream. | 
| void | mark(int readAheadLimit)Mark the present position in the stream. | 
| boolean | markSupported()Tell whether this stream supports the mark() operation. | 
| int | read()Read a single character. | 
| int | read(char[] ch,
    int offset,
    int length)Read characters into a portion of an array. | 
| boolean | ready()Tell whether this stream is ready to be read. | 
| void | reset()Reset the stream. | 
| long | skip(long n)Skip characters. | 
public static final int DEFAULT_BUFFER_SIZE
protected final java.io.InputStream fInputStream
protected final byte[] fBuffer
protected int fOffset
public UTF8Reader(java.io.InputStream inputStream)
inputStream - The input stream.public UTF8Reader(java.io.InputStream inputStream,
          MessageFormatter messageFormatter,
          java.util.Locale locale)
inputStream - The input stream.messageFormatter - given MessageFormatterlocale - Locale to use for messagespublic UTF8Reader(java.io.InputStream inputStream,
          int size,
          MessageFormatter messageFormatter,
          java.util.Locale locale)
inputStream - The input stream.size - The initial buffer size.messageFormatter - the formatter for localizing/formatting errors.locale - the Locale to use for messagespublic UTF8Reader(java.io.InputStream inputStream,
          byte[] buffer,
          MessageFormatter messageFormatter,
          java.util.Locale locale)
inputStream - The input stream.buffer - The byte buffer.messageFormatter - the formatter for localizing/formatting errors.locale - the Locale to use for messagespublic int read()
         throws java.io.IOException
Subclasses that intend to support efficient single-character input should override this method.
read in class java.io.Readerjava.io.IOException - If an I/O error occurspublic int read(char[] ch,
       int offset,
       int length)
         throws java.io.IOException
read in class java.io.Readerch - Destination bufferoffset - Offset at which to start storing characterslength - Maximum number of characters to readjava.io.IOException - If an I/O error occurspublic long skip(long n)
          throws java.io.IOException
skip in class java.io.Readern - The number of characters to skipjava.io.IOException - If an I/O error occurspublic boolean ready()
              throws java.io.IOException
ready in class java.io.Readerjava.io.IOException - If an I/O error occurspublic boolean markSupported()
markSupported in class java.io.Readerpublic void mark(int readAheadLimit)
          throws java.io.IOException
mark in class java.io.ReaderreadAheadLimit - Limit on the number of characters that may be
                         read while still preserving the mark.  After
                         reading this many characters, attempting to
                         reset the stream may fail.java.io.IOException - If the stream does not support mark(),
                          or if some other I/O error occurspublic void reset()
           throws java.io.IOException
reset in class java.io.Readerjava.io.IOException - If the stream has not been marked,
                          or if the mark has been invalidated,
                          or if the stream does not support reset(),
                          or if some other I/O error occurspublic void close()
           throws java.io.IOException
close in interface java.io.Closeableclose in interface java.lang.AutoCloseableclose in class java.io.Readerjava.io.IOException - If an I/O error occursCopyright © 1999-2022 The Apache Software Foundation. All Rights Reserved.