| /* |
| * Copyright 1999-2011 Alibaba Group. |
| * |
| * 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.alibaba.dubbo.common.serialize; |
| |
| import java.io.IOException; |
| |
| /** |
| * Data input. |
| * |
| * @author qian.lei |
| */ |
| public interface DataInput { |
| |
| /** |
| * Read boolean. |
| * |
| * @return boolean. |
| * @throws IOException. |
| */ |
| boolean readBool() throws IOException; |
| |
| /** |
| * Read byte. |
| * |
| * @return byte value. |
| * @throws IOException. |
| */ |
| byte readByte() throws IOException; |
| |
| /** |
| * Read short integer. |
| * |
| * @return short. |
| * @throws IOException. |
| */ |
| short readShort() throws IOException; |
| |
| /** |
| * Read integer. |
| * |
| * @return integer. |
| * @throws IOException. |
| */ |
| int readInt() throws IOException; |
| |
| /** |
| * Read long. |
| * |
| * @return long. |
| * @throws IOException. |
| */ |
| long readLong() throws IOException; |
| |
| /** |
| * Read float. |
| * |
| * @return float. |
| * @throws IOException. |
| */ |
| float readFloat() throws IOException; |
| |
| /** |
| * Read double. |
| * |
| * @return double. |
| * @throws IOException. |
| */ |
| double readDouble() throws IOException; |
| |
| /** |
| * Read UTF-8 string. |
| * |
| * @return string. |
| * @throws IOException. |
| */ |
| String readUTF() throws IOException; |
| |
| /** |
| * Read byte array. |
| * |
| * @return byte array. |
| * @throws IOException. |
| */ |
| byte[] readBytes() throws IOException; |
| } |