|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object java.io.Reader org.apache.xerces.impl.io.UCSReader
public class UCSReader
Reader for UCS-2 and UCS-4 encodings. (i.e., encodings from ISO-10646-UCS-(2|4)).
Field Summary | |
---|---|
static int |
DEFAULT_BUFFER_SIZE
Default byte buffer size (8192, larger than that of ASCIIReader since it's reasonable to surmise that the average UCS-4-encoded file should be 4 times as large as the average ASCII-encoded file). |
static short |
UCS2BE
|
static short |
UCS2LE
|
static short |
UCS4BE
|
static short |
UCS4LE
|
Constructor Summary | |
---|---|
UCSReader(java.io.InputStream inputStream,
byte[] buffer,
short encoding)
Constructs a UCS reader from the specified input stream and buffer. |
|
UCSReader(java.io.InputStream inputStream,
int size,
short encoding)
Constructs a UCS reader from the specified input stream and buffer size. |
|
UCSReader(java.io.InputStream inputStream,
short encoding)
Constructs a UCS 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, read |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final int DEFAULT_BUFFER_SIZE
public static final short UCS2LE
public static final short UCS2BE
public static final short UCS4LE
public static final short UCS4BE
Constructor Detail |
---|
public UCSReader(java.io.InputStream inputStream, short encoding)
inputStream
- The input stream.encoding
- One of UCS2LE, UCS2BE, UCS4LE or UCS4BE.public UCSReader(java.io.InputStream inputStream, int size, short encoding)
inputStream
- The input stream.size
- The initial buffer size.encoding
- One of UCS2LE, UCS2BE, UCS4LE or UCS4BE.public UCSReader(java.io.InputStream inputStream, byte[] buffer, short encoding)
inputStream
- The input stream.buffer
- The byte buffer.encoding
- One of UCS2LE, UCS2BE, UCS4LE or UCS4BE.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.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
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |