Package com.github.tobato.fastdfs.domain.proto

Class AbstractFdfsCommand<T>

java.lang.Object

com.github.tobato.fastdfs.domain.proto.AbstractFdfsCommand<T>

Type Parameters:

T -

All Implemented Interfaces:

FdfsCommand<T>

Direct Known Subclasses:

StorageAppendFileCommand, StorageDeleteFileCommand, StorageDownloadCommand, StorageGetMetadataCommand, StorageModifyCommand, StorageQueryFileInfoCommand, StorageSetMetadataCommand, StorageTruncateCommand, StorageUploadFileCommand, StorageUploadSlaveFileCommand, TrackerDeleteStorageCommand, TrackerGetFetchStorageCommand, TrackerGetStoreStorageCommand, TrackerListGroupsCommand, TrackerListStoragesCommand

public abstract class AbstractFdfsCommand<T>
extends Object
implements FdfsCommand<T>

交易命令抽象类

Author:

tobato

Field Summary

Fields

Modifier and Type	Field	Description
protected FdfsRequest	request	表示请求消息
protected FdfsResponse<T>	response	解析反馈消息对象

Constructor Summary

Constructors

Constructor	Description
AbstractFdfsCommand()

Method Summary

Modifier and Type	Method	Description
T	execute(Connection conn)	对服务端发出请求然后接收反馈
protected T	receive(InputStream in, Charset charset)	接收这里只能确切知道报文头，报文内容(参数+文件)只能靠接收对象分析
protected void	send(OutputStream out, Charset charset)	将报文输出规范为模板方法
protected void	sendFileContent(InputStream ins, long size, OutputStream ous)	发送文件

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

request

protected FdfsRequest request

表示请求消息

response

protected FdfsResponse<T> response

解析反馈消息对象

Constructor Details

AbstractFdfsCommand

public AbstractFdfsCommand()

Method Details

execute

public T execute(Connection conn)

对服务端发出请求然后接收反馈

Specified by:

execute in interface FdfsCommand<T>

send

protected void send(OutputStream out,
 Charset charset)
             throws IOException

将报文输出规范为模板方法

 1.输出报文头
 2.输出报文参数
 3.输出文件内容
 

Parameters:

out - 输入流

charset - 字符集

Throws:

IOException - 异常

receive

protected T receive(InputStream in,
 Charset charset)
             throws IOException

接收这里只能确切知道报文头，报文内容(参数+文件)只能靠接收对象分析

Parameters:

in - 输入流

Returns:

数据

Throws:

IOException - 异常

sendFileContent

protected void sendFileContent(InputStream ins,
 long size,
 OutputStream ous)
                        throws IOException

发送文件

Parameters:

ins - 输入流

size - 文件流大小

ous - 输入流

Throws:

IOException - 异常