| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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 com.squareup.okhttp.internal.http; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.CacheRequest; |
| |
| import static com.squareup.okhttp.internal.Util.checkOffsetAndCount; |
| |
| /** An HTTP message body terminated by the end of the underlying stream. */ |
| final class UnknownLengthHttpInputStream extends AbstractHttpInputStream { |
| private boolean inputExhausted; |
| |
| UnknownLengthHttpInputStream(InputStream is, CacheRequest cacheRequest, HttpEngine httpEngine) |
| throws IOException { |
| super(is, httpEngine, cacheRequest); |
| } |
| |
| @Override public int read(byte[] buffer, int offset, int count) throws IOException { |
| checkOffsetAndCount(buffer.length, offset, count); |
| checkNotClosed(); |
| if (in == null || inputExhausted) { |
| return -1; |
| } |
| int read = in.read(buffer, offset, count); |
| if (read == -1) { |
| inputExhausted = true; |
| endOfInput(false); |
| return -1; |
| } |
| cacheWrite(buffer, offset, read); |
| return read; |
| } |
| |
| @Override public int available() throws IOException { |
| checkNotClosed(); |
| return in == null ? 0 : in.available(); |
| } |
| |
| @Override public void close() throws IOException { |
| if (closed) { |
| return; |
| } |
| closed = true; |
| if (!inputExhausted) { |
| unexpectedEndOfInput(); |
| } |
| } |
| } |