THRIFT-227 Pretty print binary collections

This closes #441

commit 5da68694fec6a51e97f5a75823babb1074e32eb2
Author: Roshan George <roshan@arjie.com>
Date: 2015-04-13T03:40:26Z

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/java/src/org/apache/thrift/TBaseHelper.java b/lib/java/src/org/apache/thrift/TBaseHelper.java
index 4f02b060f..5517536ed 100644
--- a/lib/java/src/org/apache/thrift/TBaseHelper.java
+++ b/lib/java/src/org/apache/thrift/TBaseHelper.java
@@ -28,6 +28,7 @@ import java.util.SortedMap;
 import java.util.SortedSet;
 import java.util.TreeMap;
 import java.util.TreeSet;
+import java.util.Collection;
 
 public final class TBaseHelper {
 
@@ -221,6 +222,25 @@ public final class TBaseHelper {
     }
   }
 
+  public static void toString(Collection<ByteBuffer> bbs, StringBuilder sb) {
+    Iterator<ByteBuffer> it = bbs.iterator();
+    if (!it.hasNext()) {
+      sb.append("[]");
+    } else {
+      sb.append("[");
+      while (true) {
+        ByteBuffer bb = it.next();
+        org.apache.thrift.TBaseHelper.toString(bb, sb);
+        if (!it.hasNext()) {
+          sb.append("]");
+          return;
+        } else {
+          sb.append(", ");
+        }
+      }
+    }
+  }
+
   public static void toString(ByteBuffer bb, StringBuilder sb) {
     byte[] buf = bb.array();