程序包 io.springboot.captcha.utils

类 FileUtil

java.lang.Object

io.springboot.captcha.utils.FileUtil

public class FileUtil
extends Object

作者:

lengleng

字段概要

字段

修饰符和类型	字段	说明
static final int	DEFAULT_BUFFER_SIZE
static final int	EOF

构造器概要

构造器

构造器	说明
FileUtil()

方法概要

修饰符和类型	方法	说明
static byte[]	byteArray(int size)
static int	copy(InputStream inputStream, OutputStream outputStream)
static long	copy(InputStream inputStream, OutputStream outputStream, int bufferSize)
static long	copyLarge(InputStream inputStream, OutputStream outputStream)
static long	copyLarge(InputStream inputStream, OutputStream outputStream, byte[] buffer)
static void	copyToFile(InputStream inputStream, File file)	文件流复制
static File	createParentDirectories(File file)
private static File	getParentFile(File file)
private static File	mkdirs(File directory)
static FileOutputStream	openOutputStream(File file)
static FileOutputStream	openOutputStream(File file, boolean append)
private static void	requireCanWrite(File file, String name)
private static File	requireFile(File file, String name)

从类继承的方法 java.lang.Object

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

字段详细资料

DEFAULT_BUFFER_SIZE

public static final int DEFAULT_BUFFER_SIZE

另请参阅:

• 常量字段值

EOF

public static final int EOF

另请参阅:

• 常量字段值

构造器详细资料

FileUtil

public FileUtil()

方法详细资料

copyToFile

public static void copyToFile(InputStream inputStream,
 File file)
                       throws IOException

文件流复制

参数:

inputStream -

file -

抛出:

IOException

openOutputStream

public static FileOutputStream openOutputStream(File file)
                                         throws IOException

抛出:

IOException

openOutputStream

public static FileOutputStream openOutputStream(File file,
 boolean append)
                                         throws IOException

抛出:

IOException

requireFile

private static File requireFile(File file,
 String name)

requireCanWrite

private static void requireCanWrite(File file,
 String name)

createParentDirectories

public static File createParentDirectories(File file)
                                    throws IOException

抛出:

IOException

mkdirs

private static File mkdirs(File directory)
                    throws IOException

抛出:

IOException

getParentFile

private static File getParentFile(File file)

copy

public static int copy(InputStream inputStream,
 OutputStream outputStream)
                throws IOException

抛出:

IOException

copyLarge

public static long copyLarge(InputStream inputStream,
 OutputStream outputStream)
                      throws IOException

抛出:

IOException

copy

public static long copy(InputStream inputStream,
 OutputStream outputStream,
 int bufferSize)
                 throws IOException

抛出:

IOException

copyLarge

public static long copyLarge(InputStream inputStream,
 OutputStream outputStream,
 byte[] buffer)
                      throws IOException

抛出:

IOException

byteArray

public static byte[] byteArray(int size)