public final class IOUtils extends Object
Modifier and Type | Method and Description |
---|---|
static void |
cleanup(org.slf4j.Logger log,
Closeable... closeables)
Close the Closeable objects and ignore any
IOException or
null pointers. |
static void |
closeSocket(Socket sock)
Closes the socket ignoring
IOException . |
static void |
closeStream(Closeable stream)
Closes the stream ignoring
IOException . |
static void |
copyBytes(InputStream in,
OutputStream out)
Copies from one stream to another.
|
static void |
copyBytes(InputStream in,
OutputStream out,
boolean close)
Copies from one stream to another.
|
static void |
copyBytes(InputStream in,
OutputStream out,
int buffSize,
boolean close)
Copies from one stream to another.
|
static void |
readFully(InputStream in,
byte[] buf,
int off,
int len)
Reads len bytes in a loop.
|
static void |
skipFully(InputStream in,
long len)
Similar to readFully().
|
public static void copyBytes(InputStream in, OutputStream out, int buffSize, boolean close) throws IOException
in
- InputStream to read fromout
- OutputStream to write tobuffSize
- the size of the bufferclose
- whether or not close the InputStream and OutputStream at the end. The streams are closed in the finally
clause.IOException
- thrown if an error occurred while writing to the output streampublic static void copyBytes(InputStream in, OutputStream out) throws IOException
in
- InputStream to read fromout
- OutputStream to write toIOException
- thrown if an I/O error occurs while copyingpublic static void copyBytes(InputStream in, OutputStream out, boolean close) throws IOException
in
- InputStream to read fromout
- OutputStream to write toclose
- whether or not close the InputStream and OutputStream at the
end. The streams are closed in the finally clause.IOException
- thrown if an I/O error occurs while copyingpublic static void readFully(InputStream in, byte[] buf, int off, int len) throws IOException
in
- The InputStream to read frombuf
- The buffer to filloff
- offset from the bufferlen
- the length of bytes to readIOException
- if it could not read requested number of bytes for any reason (including EOF)public static void skipFully(InputStream in, long len) throws IOException
in
- The InputStream to skip bytes fromlen
- number of bytes to skipIOException
- if it could not skip requested number of bytes for any reason (including EOF)public static void cleanup(org.slf4j.Logger log, Closeable... closeables)
IOException
or
null pointers. Must only be used for cleanup in exception handlers.log
- the log to record problems to at debug level. Can be null
.closeables
- the objects to closepublic static void closeStream(Closeable stream)
IOException
. Must only be called in
cleaning up from exception handlers.stream
- the stream to closepublic static void closeSocket(Socket sock)
IOException
.sock
- the socket to closeCopyright © 2014–2017 The Apache Software Foundation. All rights reserved.