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## org.modeshape.common.util
Class Base64.InputStream

    java.lang.Object
      java.io.InputStream
          java.io.FilterInputStream
              org.modeshape.common.util.Base64.InputStream

All Implemented Interfaces:
  Closeable

Enclosing class:
  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.

Since:
  1.3
See Also:
  `Base64`

Field Summary

Fields inherited from class java.io.FilterInputStream
`in`

Constructor Summary
`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.

Method Summary
`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.

Methods inherited from class java.io.FilterInputStream
`available, close, mark, markSupported, read, reset, skip`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### Base64.InputStream

    public Base64.InputStream(InputStream in)

  Constructs a `Base64.InputStream` in DECODE mode.

  Parameters:
    `in` - the `java.io.InputStream` from which to read data.
  Since:
    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)</i>

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

  Parameters:
    `in` - the `java.io.InputStream` from which to read data.
    `options` - Specified options
  Since:
    2.0
  See Also:
    `Base64.ENCODE`, `Base64.DECODE`, `Base64.DO_BREAK_LINES`

Method Detail

### read

    public int read()
             throws IOException

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

  Overrides:
    `read` in class `FilterInputStream`
  Returns:
    next byte
  Throws:
    `IOException`
  Since:
    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.

  Overrides:
    `read` in class `FilterInputStream`
  Parameters:
    `dest` - array to hold values
    `off` - offset for array
    `len` - max number of bytes to read into array
  Returns:
    bytes read into array or -1 if end of stream is encountered.
  Throws:
    `IOException`
  Since:
    1.3

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