com.jdon.util
类 Base64.InputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          com.jdon.util.Base64.InputStream

所有已实现的接口：

Closeable

包容类：

Base64

public static class Base64.InputStream
extends FilterInputStream

A Base64.InputStream will read data from another java.io.InputStream, given in the constructor, and encode/decode to/from Base64 notation on the fly.

从以下版本开始：

1.3

另请参见：

Base64

字段摘要

从类 java.io.FilterInputStream 继承的字段

in

构造方法摘要

Base64.InputStream(InputStream in)
Constructs a Base64.InputStream in DECODE mode.

Base64.InputStream(InputStream in, int options)
Constructs a Base64.InputStream in either ENCODE or DECODE mode.

方法摘要

int	read() Reads enough of the input stream to convert to/from Base64 and returns the next byte.
int	read(byte[] dest, int off, int len) Calls read() repeatedly until the end of stream is reached or len bytes are read.

从类 java.io.FilterInputStream 继承的方法

available, close, mark, markSupported, read, reset, skip

从类 java.lang.Object 继承的方法

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

构造方法详细信息

Base64.InputStream

public Base64.InputStream(InputStream in)

Constructs a Base64.InputStream in DECODE mode.

参数：

in - the java.io.InputStream from which to read data.

从以下版本开始：

1.3

Base64.InputStream

public Base64.InputStream(InputStream in,
                          int options)

Constructs a Base64.InputStream in either ENCODE or DECODE mode.

Valid options:

   ENCODE or DECODE: Encode or Decode as data is read.
   DO_BREAK_LINES: break lines at 76 characters
     (only meaningful when encoding)
 

Example: new Base64.InputStream( in, Base64.DECODE )

参数：

in - the java.io.InputStream from which to read data.

options - Specified options

从以下版本开始：

2.0

另请参见：

Base64.ENCODE, Base64.DECODE, Base64.DO_BREAK_LINES

方法详细信息

read

public int read()
         throws IOException

Reads enough of the input stream to convert to/from Base64 and returns the next byte.

覆盖：

类 FilterInputStream 中的 read

返回：

next byte

抛出：

IOException

从以下版本开始：

1.3

read

public int read(byte[] dest,
                int off,
                int len)
         throws IOException

Calls read() repeatedly until the end of stream is reached or len bytes are read. Returns number of bytes read into array or -1 if end of stream is encountered.

覆盖：

类 FilterInputStream 中的 read

参数：

dest - array to hold values

off - offset for array

len - max number of bytes to read into array

返回：

bytes read into array or -1 if end of stream is encountered.

抛出：

IOException

从以下版本开始：

1.3