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java.lang.Object
|
+--java.io.Reader
|
+--org.apache.xerces.impl.io.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_SIZE
Default byte buffer size (2048). |
protected byte[] |
fBuffer
Byte buffer. |
protected java.io.InputStream |
fInputStream
Input stream. |
| Fields inherited from class java.io.Reader |
lock |
| Constructor Summary | |
ASCIIReader(java.io.InputStream inputStream,
byte[] buffer,
MessageFormatter messageFormatter,
java.util.Locale locale)
Constructs an ASCII reader from the specified input stream and buffer. |
|
ASCIIReader(java.io.InputStream inputStream,
int size,
MessageFormatter messageFormatter,
java.util.Locale locale)
Constructs an ASCII reader from the specified input stream and buffer size. |
|
ASCIIReader(java.io.InputStream inputStream,
MessageFormatter messageFormatter,
java.util.Locale locale)
Constructs an ASCII reader from the specified input stream using the default 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 |
| 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 final java.io.InputStream fInputStream
protected final byte[] fBuffer
| Constructor Detail |
public ASCIIReader(java.io.InputStream inputStream,
MessageFormatter messageFormatter,
java.util.Locale locale)
inputStream - The input stream.messageFormatter - the MessageFormatter to use to message reporting.locale - the Locale for which messages are to be reported
public ASCIIReader(java.io.InputStream inputStream,
int size,
MessageFormatter messageFormatter,
java.util.Locale locale)
inputStream - The input stream.size - The initial buffer size.messageFormatter - the MessageFormatter to use to message reporting.locale - the Locale for which messages are to be reported
public ASCIIReader(java.io.InputStream inputStream,
byte[] buffer,
MessageFormatter messageFormatter,
java.util.Locale locale)
inputStream - The input stream.buffer - The byte buffer.messageFormatter - the MessageFormatter to use to message reporting.locale - the Locale for which messages are to be reported| 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 readjava.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 skipjava.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 class java.io.Readerjava.io.IOException - If an I/O error occurs
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