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Made reading read-only ByteBuffers work.

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Also added new constructor that allows ByteBuffer reuse.

Change-Id: I9c20ea96c67533066461f4e23b0d03b9b47cd068
Tested: on OS X.
This commit is contained in:
Wouter van Oortmerssen
2014-09-02 18:35:20 -07:00
parent 8e40902d52
commit 4507594812
3 changed files with 24 additions and 3 deletions
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12
java/flatbuffers/Table.java
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@@ -42,7 +42,17 @@ public class Table {
// Create a java String from UTF-8 data stored inside the flatbuffer.
protected String __string(int offset) {
offset += bb.getInt(offset);
return new String(bb.array(), offset + SIZEOF_INT, bb.getInt(offset), Charset.forName("UTF-8"));
if (bb.hasArray()) {
return new String(bb.array(), offset + SIZEOF_INT, bb.getInt(offset), Charset.forName("UTF-8"));
} else {
// We can't access .array(), since the ByteBuffer is read-only.
// We're forced to make an extra copy:
bb.position(offset + SIZEOF_INT);
byte[] copy = new byte[bb.getInt(offset)];
bb.get(copy);
bb.position(0);
return new String(copy, 0, copy.length, Charset.forName("UTF-8"));
}
}
// Get the length of a vector whose offset is stored at "offset" in this object.