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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
com.sun.mail.util.QPDecoderStream
public class QPDecoderStream
This class implements a QP Decoder. It is implemented as a FilterInputStream, so one can just wrap this class around any input stream and read bytes from this filter. The decoding is done as the bytes are read out.
| Field Summary | |
|---|---|
protected byte[] |
ba
|
protected int |
spaces
|
| Fields inherited from class java.io.FilterInputStream |
|---|
in |
| Constructor Summary | |
|---|---|
QPDecoderStream(InputStream in)
Create a Quoted Printable decoder that decodes the specified input stream. |
|
| Method Summary | |
|---|---|
int |
available()
Returns the number of bytes that can be read from this input stream without blocking. |
boolean |
markSupported()
Tests if this input stream supports marks. |
int |
read()
Read the next decoded byte from this input stream. |
int |
read(byte[] buf,
int off,
int len)
Reads up to len decoded bytes of data from this input stream
into an array of bytes. |
long |
skip(long n)
Skips over and discards n bytes of data from this stream. |
| Methods inherited from class java.io.FilterInputStream |
|---|
close, mark, read, reset |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected byte[] ba
protected int spaces
| Constructor Detail |
|---|
public QPDecoderStream(InputStream in)
in - the input stream| Method Detail |
|---|
public int read()
throws IOException
int in the range 0
to 255. If no byte is available because the end of
the stream has been reached, the value -1 is returned.
This method blocks until input data is available, the end of the
stream is detected, or an exception is thrown.
read in class FilterInputStream-1 if the end of the
stream is reached.
IOException - if an I/O error occurs.
public int read(byte[] buf,
int off,
int len)
throws IOException
len decoded bytes of data from this input stream
into an array of bytes. This method blocks until some input is
available.
read in class FilterInputStreambuf - the buffer into which the data is read.off - the start offset of the data.len - the maximum number of bytes read.
-1 if there is no more data because the end of
the stream has been reached.
IOException - if an I/O error occurs.
public long skip(long n)
throws IOException
skip in class FilterInputStreamIOExceptionpublic boolean markSupported()
markSupported in class FilterInputStream
public int available()
throws IOException
available method
of the original input stream.
available in class FilterInputStreamIOException
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