app.myoss.cloud.core.lang.io

Class StreamUtil

java.lang.Object

app.myoss.cloud.core.lang.io.StreamUtil

public class StreamUtil
extends Object

Stream流工具类

Since:

2018年5月9日 上午10:17:26

Author:

Jerry.Chen

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUFFER_SIZE 缓冲字节大小

Constructor Summary

Constructors

Constructor and Description
StreamUtil()

Method Summary

Modifier and Type	Method and Description
static void	copy(byte[] in, OutputStream out) Copy the contents of the given byte array to the given OutputStream.
static int	copy(InputStream in, OutputStream out) Copy the contents of the given InputStream to the given OutputStream.
static void	copy(String in, Charset charset, OutputStream out) Copy the contents of the given String to the given output OutputStream.
static byte[]	copyToByteArray(InputStream in) Copy the contents of the given InputStream into a new byte array.
static String	copyToString(InputStream in, Charset charset) Copy the contents of the given InputStream into a String.

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

public static final int BUFFER_SIZE

缓冲字节大小

See Also:

Constant Field Values

Constructor Detail

StreamUtil

public StreamUtil()

Method Detail

copyToByteArray

public static byte[] copyToByteArray(InputStream in)

Copy the contents of the given InputStream into a new byte array. Leaves the stream open when done.

Parameters:

in - the stream to copy from (may be null or empty)

Returns:

the new byte array that has been copied to (possibly empty)

copyToString

public static String copyToString(InputStream in,
                                  Charset charset)

Copy the contents of the given InputStream into a String. Leaves the stream open when done.

Parameters:

in - the InputStream to copy from (may be null or empty)

charset - the InputStream charset

Returns:

the String that has been copied to (possibly empty)

See Also:

StreamUtils.copyToString(InputStream, Charset)

copy

public static void copy(byte[] in,
                        OutputStream out)

Copy the contents of the given byte array to the given OutputStream. Leaves the stream open when done.

Parameters:

in - the byte array to copy from

out - the OutputStream to copy to

See Also:

StreamUtils.copy(byte[], OutputStream)

copy

public static void copy(String in,
                        Charset charset,
                        OutputStream out)

Copy the contents of the given String to the given output OutputStream. Leaves the stream open when done.

Parameters:

in - the String to copy from

charset - the Charset

out - the OutputStream to copy to

See Also:

StreamUtils.copy(String, Charset, OutputStream)

copy

public static int copy(InputStream in,
                       OutputStream out)

Copy the contents of the given InputStream to the given OutputStream. Leaves both streams open when done.

Parameters:

in - the InputStream to copy from

out - the OutputStream to copy to

Returns:

the number of bytes copied

See Also:

StreamUtils.copy(InputStream, OutputStream)