将任务放在队首

退出looper循环

Reads and returns the next character in the message. If the end of the message has been reached, returns -1. Note that a call to this method may res

Returns the remainder of 'reader' as a string, closing it when done.

Reads the next entry using the supplied BufferedReader object up to whatever delemits one entry from the next. Implementors must define this for the

Extracts buffered data into the provided byte[] array, starting at position bPos, up to a maximum of bAvail bytes. Returns how many bytes were actuall

Creates a new journal that omits redundant information. This replaces the current journal if it exists.

从执行队列中移除任务，一般用于任务完成的情况

如果ftp服务器端已经有同名文件，修改该文件上传到远端的文件名，该操作不会修改本地文件名 如果你希望覆盖远端的同名文件，可以使用{@link #coverServerFile()}

重试分块线程，如果其中一条线程已经下载失败，则任务该任务下载失败，并且停止该任务的所有线程 @param needRetry 是否可以重试

重试线程任务 @param task 线程任务

发送执行中的数据

Set the external IP address in active mode. Useful when there are multiple network cards. @param ipAddress The external IP address of this machine. @

Set the client side port range in active mode. @param minPort The lowest available port (inclusive). @param maxPort The highest available port (inclu

Sets the timeout in milliseconds to use when reading from the data connection. This timeout will be set immediately after opening the data connection

@param format The defaultDateFormat to be set. @param dfs the symbols to use (may be null)

Sets the default port the SocketClient should connect to when a port is not specified. The {@link #_defaultPort_ _defaultPort_ } variable stores thi

Controls which particular cipher suites are enabled for use on this connection. Called before server negotiation. @param cipherSuites The cipher suit

Controls which particular protocol versions are enabled for use on this connection. I perform setting before a server negotiation. @param protocolVer

如果你需要使用header中特定的key来设置文件长度，或有定制文件长度的需要，那么你可以通过该方法自行处理文件长度

Sets the file type to be transferred. This should be one of <code> FTP.ASCII_FILE_TYPE </code>, <code> FTP.BINARY_FILE_TYPE</code>, etc. The file ty

Set the number of hard links to this file. This is not to be confused with symbolic links. @param links The number of hard links to this file.

Sets the streaming buffer. This is a small optimization where we try to buffer directly to the consumer's output array for one round (if the consumer

If the FTPFile is a symbolic link, use this method to set the name of the file being pointed to by the symbolic link. @param link The file pointed t

Set the max upload or download rate in KB/s. maxRate must be grater than 0. If maxRate is zero, it means there is no bandwidth limit. @param maxRate

设置Module监听 @param moduleListener Module监听

Configures the socket to require client authentication. @param isNeedClientAuth The need client auth flag.

@param format The recentDateFormat to set. @param dfs the symbols to use (may be null)

<p> setter for the recentDateFormatStr property. This property specifies a secondary date format that will be used by a parser configured by this con

Sets the restart offset for file transfers. <p> The restart command is not sent to the server immediately. It is sent when a data connection is create

设置进度更新间隔，该设置对正在运行的任务无效，默认为1000毫秒 @param updateInterval 不能小于0

FTP文件上传拦截器，如果远端已有同名文件，可使用该拦截器控制覆盖文件或修改该文件上传到服务器端端文件名

Configures the socket to request client authentication, but only if such a request is appropriate to the cipher suite negotiated. @param isWantClient

SSL/TLS negotiation. Acquires an SSL socket of a control connection and carries out handshake processing. @throws IOException If server negotiation f

启动任务

开始流程

启动子任务下载器

启动任务组中的子任务 @param url 子任务下载地址

启动监听定时器，当网络断开时，如果该任务的FTP服务器的传输线程没有断开，当客户端重新连接时，客户端将无法发送数据到服务端 每隔10s检查一次。

停止任务组中的子任务 @param url 子任务下载地址

A convenience method to send the FTP STOU command to the server, receive the reply, and return the reply code. Remember, it is up to you to manage th

A convenience method to send the FTP SYST command to the server, receive the reply, and return the reply code. @return The reply code received from t

@since 3.0

把String类型的日期转换成Calendar对象 @param string （日期时间:2000-00-00 00:00:00)

A convenience method to send the FTP TYPE command for text files to the server, receive the reply, and return the reply code. @param fileType The typ

修改多条数据

是否使用服务器通过content-disposition传递的文件名，内容格式{@code attachment;filename= } 如果获取不到服务器文件名，则使用用户设置的文件名 @param use {@code true} 使用

A convenience method to send the FTP USER command to the server, receive the reply, and return the reply code. @param username The username to login

把缓存写入磁盘 @param key 缓存的key,通过该key来读写缓存，一般是URL @param data 缓存的数据

获取构造器

Send a noop and get the reply without reporting to the command listener. Intended for use with keep-alive. @throws IOException on error @since 3.0

Because there are so many connect() methods, the _connectAction_() method is provided as a means of performing some action immediately after establish

Initiates control connections and gets initial reply. Initializes {@link #_controlInput_} and {@link #_controlOutput_}.

Performs any custom initialization for a newly created SSLSocket (before the SSL handshake happens). Called by {@link #_openDataConnection_(int, Strin

@param command the command to get @param remote the remote file name @param local the local file name @return true if successful @throws IOException o

@param command the command to send @param remote the remote file name @return the stream from which to read the file @throws IOException on error @sin

@param command the command to send @param remote the remote file name @param local the local file name @return true if successful @throws IOException