svn commit: r1745058 - /commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java

[britter]

Author: britter
Date: Sun May 22 14:31:38 2016
New Revision: 1745058

URL: http://svn.apache.org/viewvc?rev=1745058&view=rev
Log:
Adopt changes made in r1743480 by jochen:

Attempt to fix a possible performance issue with large boundaries.
Preliminary, may be rolled back shortly.

Modified:
    
commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java

Modified: 
commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java
URL: 
http://svn.apache.org/viewvc/commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java?rev=1745058&r1=1745057&r2=1745058&view=diff
==============================================================================
--- 
commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java
 (original)
+++ 
commons/proper/fileupload/branches/b1_3/src/main/java/org/apache/commons/fileupload/MultipartStream.java
 Sun May 22 14:31:38 2016
@@ -325,12 +325,6 @@ public class MultipartStream {
         if (boundary == null) {
             throw new IllegalArgumentException("boundary may not be null");
         }
-
-        this.input = input;
-        this.bufSize = bufSize;
-        this.buffer = new byte[bufSize];
-        this.notifier = pNotifier;
-
         // We prepend CR/LF to the boundary to chop trailing CR/LF from
         // body-data tokens.
         this.boundaryLength = boundary.length + BOUNDARY_PREFIX.length;
@@ -338,6 +332,12 @@ public class MultipartStream {
             throw new IllegalArgumentException(
                     "The buffer size specified for the MultipartStream is too 
small");
         }
+
+        this.input = input;
+        this.bufSize = Math.max(bufSize, boundaryLength*2);
+        this.buffer = new byte[this.bufSize];
+        this.notifier = pNotifier;
+
         this.boundary = new byte[this.boundaryLength];
         this.keepRegion = this.boundary.length;