From df79f410f1b93d05fadad9c62670a8f3cd733430 Mon Sep 17 00:00:00 2001
From: Eric Scharff <eric.scharff@readytalk.com>
Date: Tue, 30 Oct 2007 15:08:49 -0600
Subject: [PATCH] Optimize bulk reads from ByteArrayInputStream

---
 classpath/java/io/ByteArrayInputStream.java | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/classpath/java/io/ByteArrayInputStream.java b/classpath/java/io/ByteArrayInputStream.java
index ee053f4fe8..d3bbcc686e 100644
--- a/classpath/java/io/ByteArrayInputStream.java
+++ b/classpath/java/io/ByteArrayInputStream.java
@@ -19,6 +19,18 @@ public class ByteArrayInputStream extends InputStream {
     }
   }
 
+  public int read(byte[] buffer, int offset, int bufferLength) {
+    if (position < length) {
+      return -1;
+    }
+    if (length-position < bufferLength) {
+      bufferLength = length-position;
+    }
+    System.arraycopy(buffer, offset, array, position, bufferLength);
+    position += bufferLength;
+    return bufferLength;
+  }
+
   public int available() {
     return length - position;
   }