public class IOUtils
extends java.lang.Object
Modifier and Type | Method | Description |
---|---|---|
static void |
closeQuietly(java.io.InputStream input) |
Unconditionally close an
InputStream . |
static void |
closeQuietly(java.io.OutputStream output) |
Unconditionally close an
OutputStream . |
static void |
closeQuietly(java.io.Reader input) |
Unconditionally close an
Reader . |
static void |
closeQuietly(java.io.Writer output) |
Unconditionally close a
Writer . |
static long |
copy(java.io.InputStream input,
java.io.OutputStream output) |
Copies all the contents from the given input stream to the given output stream.
|
static long |
populateBuffer(java.io.InputStream in,
byte[] buffer) |
Populates the given buffer with data read from the input stream.
|
static byte[] |
toByteArray(java.io.InputStream in) |
Reads the input stream and returns its contents as a byte array.
|
public static byte[] toByteArray(java.io.InputStream in) throws java.io.IOException
in
- the input stream to read from.java.io.IOException
- if an I/O error occurspublic static long copy(java.io.InputStream input, java.io.OutputStream output) throws java.io.IOException
input
- the input streamoutput
- the output streamjava.io.IOException
- if an I/O error occurspublic static long populateBuffer(java.io.InputStream in, byte[] buffer) throws java.io.IOException
in
- the input stream to read frombuffer
- the buffer to filljava.io.IOException
- if an I/O error occurspublic static void closeQuietly(java.io.InputStream input)
InputStream
.
Equivalent to InputStream.close()
, except any exceptions will be ignored.
This is typically used in finally blocks.
input
- the InputStream to close, may be null or already closedpublic static void closeQuietly(java.io.Reader input)
Reader
.
Equivalent to Reader.close()
, except any exceptions will be ignored.
This is typically used in finally blocks.
input
- the Reader to close, may be null or already closedpublic static void closeQuietly(java.io.Writer output)
Writer
.
Equivalent to Writer.close()
, except any exceptions will be ignored.
This is typically used in finally blocks.
output
- the Writer to close, may be null or already closedpublic static void closeQuietly(java.io.OutputStream output)
OutputStream
.
Equivalent to OutputStream.close()
, except any exceptions will be ignored.
This is typically used in finally blocks.
output
- the OutputStream to close, may be null or already closed