top.hmtools.io

Class NioTools

java.lang.Object

top.hmtools.io.NioTools

public class NioTools
extends Object

基于nio的操作流的工具

Author:

HyboJ

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_BUFFER_SIZE 默认缓存大小
static int	DEFAULT_LARGE_BUFFER_SIZE 默认缓存大小
static int	EOF 数据流末尾

Constructor Summary

Constructors

Constructor and Description
NioTools()

Method Summary

Modifier and Type	Method and Description
static long	copyLarge(InputStream inputStream, OutputStream outputStream, int bufferSize, IStreamProgress streamProgress) 复制流
static long	copyLarge(InputStream inputStream, OutputStream outputStream, int bufferSize, long offSet, IStreamProgress streamProgress) 从输入流的指定位置复制流
static long	copyLarge(ReadableByteChannel inChannel, WritableByteChannel outChannel, int bufferSize, IStreamProgress streamProgress) 复制流
static byte[]	readToByte(InputStream inputStream, int bufferSize, IStreamProgress streamProgress) 读取数据流到byte数组
static byte[]	readToByte(InputStream inputStream, IStreamProgress streamProgress) 读取数据流到byte数组
static String	readToString(InputStream input, Charset charset) 读取数据流到字符串，并制定字符编码。 缺省使用当前操作系统缺省字符编码（windows 时 GBK，UNIX 是 utf-8）
static String	readToStringUTF8(InputStream input) 读取数据流到字符串，以utf-8字符编码

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_BUFFER_SIZE

public static final int DEFAULT_BUFFER_SIZE

默认缓存大小

See Also:

Constant Field Values

DEFAULT_LARGE_BUFFER_SIZE

public static final int DEFAULT_LARGE_BUFFER_SIZE

默认缓存大小

See Also:

Constant Field Values

EOF

public static final int EOF

数据流末尾

See Also:

Constant Field Values

Constructor Detail

NioTools

public NioTools()

Method Detail

copyLarge

public static long copyLarge(InputStream inputStream,
                             OutputStream outputStream,
                             int bufferSize,
                             long offSet,
                             IStreamProgress streamProgress)
                      throws IOException

从输入流的指定位置复制流

Parameters:

inputStream -

outputStream -

bufferSize -

offSet - 读取输入流的起始位置

streamProgress -

Returns:

Throws:

IOException

copyLarge

public static long copyLarge(InputStream inputStream,
                             OutputStream outputStream,
                             int bufferSize,
                             IStreamProgress streamProgress)
                      throws IOException

复制流

Parameters:

inputStream -

outputStream -

bufferSize -

streamProgress -

Returns:

Throws:

IOException

copyLarge

public static long copyLarge(ReadableByteChannel inChannel,
                             WritableByteChannel outChannel,
                             int bufferSize,
                             IStreamProgress streamProgress)
                      throws IOException

复制流

Parameters:

inChannel - 输入流通道

outChannel - 输出流通道

bufferSize - 缓存大小

streamProgress - 复制流进度条

Returns:

Throws:

IOException

readToByte

public static byte[] readToByte(InputStream inputStream,
                                int bufferSize,
                                IStreamProgress streamProgress)
                         throws IOException

读取数据流到byte数组

Parameters:

inputStream -

bufferSize -

streamProgress -

Returns:

Throws:

IOException

readToByte

public static byte[] readToByte(InputStream inputStream,
                                IStreamProgress streamProgress)
                         throws IOException

读取数据流到byte数组

Parameters:

inputStream -

streamProgress -

Returns:

Throws:

IOException

readToString

public static String readToString(InputStream input,
                                  Charset charset)
                           throws IOException

读取数据流到字符串，并制定字符编码。
缺省使用当前操作系统缺省字符编码（windows 时 GBK，UNIX 是 utf-8）

Parameters:

input -

charset -

Returns:

Throws:

IOException

readToStringUTF8

public static String readToStringUTF8(InputStream input)
                               throws IOException

读取数据流到字符串，以utf-8字符编码

Parameters:

input -

Returns:

Throws:

IOException