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java.lang.Objectjava.io.Reader
org.apache.jasper.xmlparser.ASCIIReader
public class ASCIIReader
A simple ASCII byte reader. This is an optimized reader for reading byte streams that only contain 7-bit ASCII characters.
| Field Summary | |
|---|---|
| static int | DEFAULT_BUFFER_SIZEDefault byte buffer size (2048). | 
| protected  byte[] | fBufferByte buffer. | 
| protected  java.io.InputStream | fInputStreamInput stream. | 
| Fields inherited from class java.io.Reader | 
|---|
| lock | 
| Constructor Summary | |
|---|---|
| ASCIIReader(java.io.InputStream inputStream,
            int size)Constructs an ASCII reader from the specified input stream and buffer size. | |
| Method Summary | |
|---|---|
|  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. | 
| Methods inherited from class java.io.Reader | 
|---|
| read, read | 
| Methods inherited from class java.lang.Object | 
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
| Field Detail | 
|---|
public static final int DEFAULT_BUFFER_SIZE
protected java.io.InputStream fInputStream
protected byte[] fBuffer
| Constructor Detail | 
|---|
public ASCIIReader(java.io.InputStream inputStream,
                   int size)
inputStream - The input stream.size - The initial buffer size.| Method Detail | 
|---|
public 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 occurs
public 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 read
java.io.IOException - If an I/O error occurs
public long skip(long n)
          throws java.io.IOException
skip in class java.io.Readern - The number of characters to skip
java.io.IOException - If an I/O error occurs
public 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.Reader
public 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 occurs
public 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 occurs
public void close()
           throws java.io.IOException
close in interface java.io.Closeableclose in class java.io.Readerjava.io.IOException - If an I/O error occurs| 
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