org.snaker.engine.helper

类 StreamHelper

java.lang.Object

org.snaker.engine.helper.StreamHelper

public class StreamHelper
extends Object

流数据帮助类

从以下版本开始:

1.0

作者:

yuqs

字段概要

字段

限定符和类型	字段和说明
static int	BUFFERSIZE
static int	DEFAULT_CHUNK_SIZE

构造器概要

构造器

构造器和说明
StreamHelper()

方法概要

方法

限定符和类型	方法和说明
static long	copy(InputStream inputStream, OutputStream outputStream) input->output字节流copy
static long	copy(InputStream inputStream, OutputStream outputStream, int bufferSize) input->output字节流copy
static long	copy(Reader reader, Writer writer)
static long	copy(Reader reader, Writer writer, int bufferSize)
static InputStream	getStreamFromClasspath(String resourceName)
static InputStream	getStreamFromFile(File file)
static InputStream	getStreamFromString(String text)
static InputStream	getStreamFromUrl(URL url)
static InputStream	openStream(String resource) 根据文件名称resource打开输入流，并返回
static byte[]	readBytes(InputStream in)
static long	transfer(InputStream in, OutputStream out)

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_CHUNK_SIZE

public static final int DEFAULT_CHUNK_SIZE

另请参阅:

常量字段值

BUFFERSIZE

public static final int BUFFERSIZE

另请参阅:

常量字段值

构造器详细资料

StreamHelper

public StreamHelper()

方法详细资料

openStream

public static InputStream openStream(String resource)

根据文件名称resource打开输入流，并返回

参数:

resource -

返回:

getStreamFromString

public static InputStream getStreamFromString(String text)

getStreamFromFile

public static InputStream getStreamFromFile(File file)

getStreamFromClasspath

public static InputStream getStreamFromClasspath(String resourceName)

getStreamFromUrl

public static InputStream getStreamFromUrl(URL url)

readBytes

public static byte[] readBytes(InputStream in)
                        throws IOException

抛出:

IOException

transfer

public static long transfer(InputStream in,
            OutputStream out)
                     throws IOException

抛出:

IOException

copy

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

input->output字节流copy

参数:

inputStream -

outputStream -

返回:

抛出:

IOException

copy

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

input->output字节流copy

参数:

inputStream -

outputStream -

bufferSize -

返回:

抛出:

IOException

copy

public static long copy(Reader reader,
        Writer writer)
                 throws IOException

抛出:

IOException

copy

public static long copy(Reader reader,
        Writer writer,
        int bufferSize)
                 throws IOException

抛出:

IOException