public class Utf8Reader extends Reader
Constructor and Description |
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Utf8Reader(byte[] ab)
Construct a Utf8Reader that reads the input from a byte array.
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Utf8Reader(InputStream stream)
Construct a Utf8Reader that reads the input from an InputStream.
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Modifier and Type | Method and Description |
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void |
close()
Close the stream.
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void |
mark(int cchLimit)
Mark the present position in the stream.
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boolean |
markSupported()
Tell whether this stream supports the mark() operation.
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int |
read()
Read a single character.
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int |
read(char[] ach)
Read characters into an array.
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int |
read(char[] ach, int of, int cch)
Read characters into a portion of an array.
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boolean |
ready()
Tell whether this stream is ready to be read.
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void |
reset()
Reset the stream.
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long |
skip(long cch)
Skip characters.
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public Utf8Reader(byte[] ab)
public Utf8Reader(InputStream stream)
stream
- the underlying stream to write topublic int read() throws IOException
Subclasses that intend to support efficient single-character input should override this method.
read
in class Reader
IOException
- If an I/O error occurspublic int read(char[] ach) throws IOException
read
in class Reader
ach
- Destination bufferIOException
- If an I/O error occurspublic int read(char[] ach, int of, int cch) throws IOException
read
in class Reader
ach
- array of characters to read intoof
- offset into the array at which to start storing characterscch
- maximum number of characters to readIOException
- If an I/O error occurspublic long skip(long cch) throws IOException
skip
in class Reader
cch
- The number of characters to skipIllegalArgumentException
- If n
is negative.IOException
- If an I/O error occurspublic boolean ready() throws IOException
ready
in class Reader
IOException
- If an I/O error occurspublic boolean markSupported()
markSupported
in class Reader
public void mark(int cchLimit) throws IOException
mark
in class Reader
cchLimit
- 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.IOException
- If the stream does not support mark(), or if some other I/O error occurspublic void reset() throws IOException
reset
in class Reader
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 IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class Reader
IOException
- If an I/O error occurs