FileOutputStream类 参考

类 FileOutputStream 继承关系图:

FileOutputStream 的协作图:

Public 成员函数

包函数

包属性

额外继承的成员函数

详细描述

在文件 FileStream.x 第 127 行定义.

构造及析构函数说明

FileOutputStream() [1/7]

FileOutputStream	(	String	path,
		int	mode
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 129 行定义.

                                                                                                            {
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, mode);
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.open().

函数调用图:

FileOutputStream() [2/7]

FileOutputStream

(

String

path

)

throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 138 行定义.

                                                                                                  {
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, _system_.WRITE | _system_.CREATE | _system_.TRUNC);
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

FileOutputStream() [3/7]

FileOutputStream	(	String	path,
		bool	append
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 147 行定义.

                                                                                                               {
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, append ? (_system_.WRITE | _system_.CREATE | _system_.APPEND) : (_system_.WRITE | _system_.CREATE | _system_.TRUNC));
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.APPEND, _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

FileOutputStream() [4/7]

FileOutputStream

(

@NotNilptr File

file

)

throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 157 行定义.

                                                                                                           {
            String path = file.getPath();
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, _system_.WRITE | _system_.CREATE | _system_.TRUNC);
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

FileOutputStream() [5/7]

FileOutputStream	(	@NotNilptr File	file,
		int	mode
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 167 行定义.

                                                                                                                     {
            String path = file.getPath();
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, mode);
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.open().

函数调用图:

FileOutputStream() [6/7]

FileOutputStream	(	@NotNilptr File	file,
		bool	append
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 177 行定义.

                                                                                                                       {
            String path = file.getPath();
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, append ? (_system_.WRITE | _system_.CREATE | _system_.APPEND) : (_system_.WRITE | _system_.CREATE | _system_.TRUNC));
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.APPEND, _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

FileOutputStream() [7/7]

FileOutputStream	(	@NotNilptr File	dir,
		@NotNilptr String	file,
		bool	append
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 187 行定义.

                                                                                                                                             {
            String path = dir.getPath();
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            path = path.appendPath(file);
            filehandler = _system_.open(path, append ? (_system_.WRITE | _system_.CREATE | _system_.APPEND) : (_system_.WRITE | _system_.CREATE | _system_.TRUNC));
            if (filehandler == -1){
                throw new IllegalArgumentException("file " + path + " can not open");
            }
        }

引用了 _system_.APPEND, String.appendPath(), _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

成员函数说明

attach()

bool attach	(	String	path,
		bool	append
	)		throws NullPointerException, IllegalArgumentException

在文件 FileStream.x 第 198 行定义.

                                                                                                         {
            if (filehandler != -1){
                _system_.close(filehandler);
                filehandler = -1;
            }
            if (path == nilptr){
                throw new NullPointerException("path is nilptr");
            }
            filehandler = _system_.open(path, append ? (_system_.WRITE | _system_.CREATE | _system_.APPEND) : (_system_.WRITE | _system_.CREATE | _system_.TRUNC));
            return filehandler != -1;
        }

引用了 _system_.APPEND, _system_.close(), _system_.CREATE, _system_.open(), _system_.TRUNC , 以及 _system_.WRITE.

函数调用图:

available()

long available ( bool   )

override

重载 Stream .

在文件 FileStream.x 第 214 行定义.

                                            {
            return 1;
        }

checkValid()

void checkValid

(

)

throws IllegalArgumentException

在文件 FileStream.x 第 209 行定义.

                                                                {
            if (filehandler == -1){
                throw new IllegalArgumentException("The Stream is not ready");
            }
        }

close()

void close ( )

override

重载 Stream .

在文件 FileStream.x 第 244 行定义.

                                   {
            if (filehandler != -1){
                _system_.close(filehandler);
                filehandler = -1;
            }
        }

引用了 _system_.close().

函数调用图:

finalize()

void finalize ( )

package

在文件 FileStream.x 第 253 行定义.

                       {
            close();
        }

引用了 Stream.close().

函数调用图:

flush()

void flush ( )

overridepackage

重载 Stream .

在文件 FileStream.x 第 250 行定义.

                            {
            
        }

getPosition()

long getPosition ( )

override

重载 Stream .

在文件 FileStream.x 第 221 行定义.

                                         {
            return 0;
        }

length()

long length ( ) throws IllegalArgumentException

override

重载 Stream .

在文件 FileStream.x 第 225 行定义.

                                                                     {
            checkValid();
            return 0;
        }

read()

int read ( @NotNilptr  byte[], int  , int    )

override

在文件 FileStream.x 第 230 行定义.

                                                                 {
            return 0;
        }

seek()

long seek ( int   , long    )

override

重载 Stream .

在文件 FileStream.x 第 217 行定义.

                                             {
            return 0;
        }

write() [1/2]

long write

(

@NotNilptr byte []

data

)

throws IndexOutOfBoundsException , IllegalArgumentException

在文件 FileStream.x 第 234 行定义.

                                                                                                              {
            checkValid();
            return _system_.write(filehandler, data, 0, data.length);
        }

引用了 _system_.write().

函数调用图:

write() [2/2]

int write ( byte []  data, int  position, int  length  ) throws IndexOutOfBoundsException, IllegalArgumentException

override

在文件 FileStream.x 第 239 行定义.

                                                                                                                                    {
            checkValid();
            return _system_.write(filehandler, data, position, length);
        }

引用了 _system_.write().

函数调用图:

结构体成员变量说明

filehandler

long filehandler

package

在文件 FileStream.x 第 128 行定义.