| /* |
| * Copyright 2014 The gRPC Authors |
| * |
| * Licensed 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 io.grpc.okhttp; |
| |
| import io.grpc.internal.AbstractReadableBuffer; |
| import io.grpc.internal.ReadableBuffer; |
| import java.io.EOFException; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.ByteBuffer; |
| |
| /** |
| * A {@link ReadableBuffer} implementation that is backed by an {@link okio.Buffer}. |
| */ |
| class OkHttpReadableBuffer extends AbstractReadableBuffer { |
| private final okio.Buffer buffer; |
| |
| OkHttpReadableBuffer(okio.Buffer buffer) { |
| this.buffer = buffer; |
| } |
| |
| @Override |
| public int readableBytes() { |
| return (int) buffer.size(); |
| } |
| |
| @Override |
| public int readUnsignedByte() { |
| return buffer.readByte() & 0x000000FF; |
| } |
| |
| @Override |
| public void skipBytes(int length) { |
| try { |
| buffer.skip(length); |
| } catch (EOFException e) { |
| throw new IndexOutOfBoundsException(e.getMessage()); |
| } |
| } |
| |
| @Override |
| public void readBytes(byte[] dest, int destOffset, int length) { |
| while (length > 0) { |
| int bytesRead = buffer.read(dest, destOffset, length); |
| if (bytesRead == -1) { |
| throw new IndexOutOfBoundsException("EOF trying to read " + length + " bytes"); |
| } |
| length -= bytesRead; |
| destOffset += bytesRead; |
| } |
| } |
| |
| @Override |
| public void readBytes(ByteBuffer dest) { |
| // We are not using it. |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void readBytes(OutputStream dest, int length) throws IOException { |
| buffer.writeTo(dest, length); |
| } |
| |
| @Override |
| public ReadableBuffer readBytes(int length) { |
| okio.Buffer buf = new okio.Buffer(); |
| buf.write(buffer, length); |
| return new OkHttpReadableBuffer(buf); |
| } |
| |
| @Override |
| public void close() { |
| buffer.clear(); |
| } |
| } |