I note in my blog:
http://binkley.blogspot.com/2005/02/methods-i-cannot-do-without.html
It would be nice to include utility methods such as this in the io library to compliment the good set of primitives already there.
The method in question with Javadoc added:
/**
* Copies <var>in</var> to <var>out</var>, flushing <var>out</var>
* and closing both streams even in the face of exceptions. This is
* usually sufficient to ensure proper copying for arbitrary streams
* and avoid data lose (<cite>e.g.</cite>, file streams can lose
* data if you do not flush them before closing).
* <p/>
* If more than one operation throws an exception, propagates only
* the most recent exception. Java swallows earlier exceptions.
*
* @param in the input stream data source
* @param out the output stream data sink
*
* @throws IOException if any I/O operation fails
*/
public static void copyAndClose(final InputStream in,
final OutputStream out)
throws IOException {
try {
CopyUtils.copy(in, out);
out.flush(); } finally {
try {
out.close(); } finally {
in.close();
}
}
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