| /** |
| * 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 kafka.message |
| |
| import java.io.InputStream |
| import java.nio.ByteBuffer |
| |
| class ByteBufferBackedInputStream(buffer:ByteBuffer) extends InputStream { |
| override def read():Int = { |
| buffer.hasRemaining match { |
| case true => |
| (buffer.get() & 0xFF) |
| case false => -1 |
| } |
| } |
| |
| override def read(bytes:Array[Byte], off:Int, len:Int):Int = { |
| buffer.hasRemaining match { |
| case true => |
| // Read only what's left |
| val realLen = math.min(len, buffer.remaining()) |
| buffer.get(bytes, off, realLen) |
| realLen |
| case false => -1 |
| } |
| } |
| } |