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Minor update to HADOOP-7429. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1141415 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2011-06-30 07:04:58 +00:00
parent 61fa4153dc
commit ad95cb1f0d
1 changed files with 18 additions and 10 deletions
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28
common/src/java/org/apache/hadoop/io/IOUtils.java
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@ -115,24 +115,32 @@ public class IOUtils {
* @param in InputStream to read from
* @param out OutputStream to write to
* @param count number of bytes to copy
* @param close whether to close the streams
* @throws IOException if bytes can not be read or written
*/
public static void copyBytes(InputStream in, OutputStream out, long count)
throws IOException {
public static void copyBytes(InputStream in, OutputStream out, long count,
boolean close) throws IOException {
byte buf[] = new byte[4096];
long bytesRemaining = count;
int bytesRead;
while (bytesRemaining > 0) {
int bytesToRead = (int)
(bytesRemaining < buf.length ? bytesRemaining : buf.length);
try {
while (bytesRemaining > 0) {
int bytesToRead = (int)
(bytesRemaining < buf.length ? bytesRemaining : buf.length);
bytesRead = in.read(buf, 0, bytesToRead);
if (bytesRead == -1)
break;
bytesRead = in.read(buf, 0, bytesToRead);
if (bytesRead == -1)
break;
out.write(buf, 0, bytesRead);
bytesRemaining -= bytesRead;
out.write(buf, 0, bytesRead);
bytesRemaining -= bytesRead;
}
} finally {
if (close) {
closeStream(out);
closeStream(in);
}
}
}