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java.lang.Object java.io.Reader org.apache.xerces.impl.io.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 | |
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static int |
DEFAULT_BUFFER_SIZE
Default byte buffer size (2048). |
Constructor Summary | |
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ASCIIReader(java.io.InputStream inputStream,
byte[] buffer,
MessageFormatter messageFormatter,
java.util.Locale locale)
Constructs an ASCII reader from the specified input stream and buffer. |
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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. |
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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 | |
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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 |
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read, read |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int DEFAULT_BUFFER_SIZE
Constructor Detail |
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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 reportedpublic 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 reportedpublic 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 reportedMethod Detail |
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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.Reader
java.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.Reader
ch
- Destination bufferoffset
- Offset at which to start storing characterslength
- Maximum number of characters to read
java.io.IOException
- If an I/O error occurspublic long skip(long n) throws java.io.IOException
skip
in class java.io.Reader
n
- The number of characters to skip
java.io.IOException
- If an I/O error occurspublic boolean ready() throws java.io.IOException
ready
in class java.io.Reader
java.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.Reader
readAheadLimit
- 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.Reader
java.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.Closeable
close
in class java.io.Reader
java.io.IOException
- If an I/O error occurs
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