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Optimize MessageList.add(MessageList, int, int)

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This commit is contained in:
Trustin Lee 2013-06-28 20:53:57 +09:00
parent 7cf88a1a3c
commit 1e0146da3e
1 changed files with 20 additions and 1 deletions
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21
transport/src/main/java/io/netty/channel/MessageList.java
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@ -315,7 +315,26 @@ public final class MessageList<T> implements Iterable<T> {
* {@link MessageList} and return itself.
*/
public MessageList<T> add(MessageList<T> src, int srcIdx, int srcLen) {
return add(src.elements, srcIdx, srcLen);
if (src == null) {
throw new NullPointerException("src");
}
if (srcIdx > src.size - srcLen) {
throw new IndexOutOfBoundsException(String.format(
"srcIdx(%d) + srcLen(%d) > src.size(%d)", srcIdx, srcLen, src.size));
}
modifications ++;
final int dstIdx = size;
final int newSize = dstIdx + srcLen;
ensureCapacity(newSize);
byteBufsOnly &= src.byteBufsOnly;
System.arraycopy(src.elements, srcIdx, elements, dstIdx, srcLen);
size = newSize;
return this;
}
/**