jdk.io.SequenceInputStream
A SequenceInputStream represents the logical concatenation of other input streams. It starts out with an ordered collection of input streams and reads from the first one until end of file is reached, whereupon it reads from the second one, and so on, until end of file is reached on the last of the contained input streams.
A SequenceInputStream represents the logical concatenation of other input streams. It starts out with an ordered collection of input streams and reads from the first one until end of file is reached, whereupon it reads from the second one, and so on, until end of file is reached on the last of the contained input streams.
->sequence-input-streamclj
(->sequence-input-stream e)(->sequence-input-stream s-1 s-2)Constructor.
Initializes a newly created SequenceInputStream by remembering the two arguments, which will be read in order, first s1 and then s2, to provide the bytes to be read from this SequenceInputStream.
s-1 - the first input stream to read. - java.io.InputStream
s-2 - the second input stream to read. - java.io.InputStream
Constructor. Initializes a newly created SequenceInputStream by remembering the two arguments, which will be read in order, first s1 and then s2, to provide the bytes to be read from this SequenceInputStream. s-1 - the first input stream to read. - `java.io.InputStream` s-2 - the second input stream to read. - `java.io.InputStream`
availableclj
(available this)Returns an estimate of the number of bytes that can be read (or skipped over) from the current underlying input stream without blocking by the next invocation of a method for the current underlying input stream. The next invocation might be the same thread or another thread. A single read or skip of this many bytes will not block, but may read or skip fewer bytes.
This method simply calls available of the current underlying input stream and returns the result.
returns: an estimate of the number of bytes that can be read (or
skipped over) from the current underlying input stream
without blocking or 0 if this input stream
has been closed by invoking its close() method - int
throws: java.io.IOException - if an I/O error occurs.
Returns an estimate of the number of bytes that can be read (or
skipped over) from the current underlying input stream without
blocking by the next invocation of a method for the current
underlying input stream. The next invocation might be
the same thread or another thread. A single read or skip of this
many bytes will not block, but may read or skip fewer bytes.
This method simply calls available of the current underlying
input stream and returns the result.
returns: an estimate of the number of bytes that can be read (or
skipped over) from the current underlying input stream
without blocking or 0 if this input stream
has been closed by invoking its close() method - `int`
throws: java.io.IOException - if an I/O error occurs.closeclj
(close this)Closes this input stream and releases any system resources associated with the stream. A closed SequenceInputStream cannot perform input operations and cannot be reopened.
If this stream was created from an enumeration, all remaining elements are requested from the enumeration and closed before the close method returns.
throws: java.io.IOException - if an I/O error occurs.
Closes this input stream and releases any system resources associated with the stream. A closed SequenceInputStream cannot perform input operations and cannot be reopened. If this stream was created from an enumeration, all remaining elements are requested from the enumeration and closed before the close method returns. throws: java.io.IOException - if an I/O error occurs.
readclj
(read this)(read this b off len)Reads up to len bytes of data from this input stream into an array of bytes. If len is not zero, the method blocks until at least 1 byte of input is available; otherwise, no bytes are read and 0 is returned.
The read method of SequenceInputStream tries to read the data from the current substream. If it fails to read any characters because the substream has reached the end of the stream, it calls the close method of the current substream and begins reading from the next substream.
b - the buffer into which the data is read. - byte[]
off - the start offset in array b at which the data is written. - int
len - the maximum number of bytes read. - int
returns: int the number of bytes read. - int
throws: java.lang.NullPointerException - If b is null.
Reads up to len bytes of data from this input stream into an array of bytes. If len is not zero, the method blocks until at least 1 byte of input is available; otherwise, no bytes are read and 0 is returned. The read method of SequenceInputStream tries to read the data from the current substream. If it fails to read any characters because the substream has reached the end of the stream, it calls the close method of the current substream and begins reading from the next substream. b - the buffer into which the data is read. - `byte[]` off - the start offset in array b at which the data is written. - `int` len - the maximum number of bytes read. - `int` returns: int the number of bytes read. - `int` throws: java.lang.NullPointerException - If b is null.
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