| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.kerby.transport.buffer; |
| |
| import java.nio.BufferOverflowException; |
| import java.nio.ByteBuffer; |
| |
| public class BufferUtil { |
| |
| /** |
| * Read len bytes from src buffer |
| */ |
| public static ByteBuffer read(ByteBuffer src, int len) { |
| if (len > src.remaining()) |
| throw new BufferOverflowException(); |
| |
| ByteBuffer result = ByteBuffer.allocate(len); |
| int n = src.remaining(); |
| for (int i = 0; i < n; i++) { |
| result.put(src.get()); |
| } |
| |
| return result; |
| } |
| } |