Package org.apache.commons.codec

Class Charsets

  • public class Charsets
extends java.lang.Object
    Charsets required of every implementation of the Java platform. From the Java documentation Standard charsets:

    Every implementation of the Java platform is required to support the following character encodings. Consult the release documentation for your implementation to see if any other encodings are supported. Consult the release documentation for your implementation to see if any other encodings are supported.

    • US-ASCII

      Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the Unicode character set.

    • ISO-8859-1

      ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1.

    • UTF-8

      Eight-bit Unicode Transformation Format.

    • UTF-16BE

      Sixteen-bit Unicode Transformation Format, big-endian byte order.

    • UTF-16LE

      Sixteen-bit Unicode Transformation Format, little-endian byte order.

    • UTF-16

      Sixteen-bit Unicode Transformation Format, byte order specified by a mandatory initial byte-order mark (either order accepted on input, big-endian used on output.)

    This perhaps would best belong in the Commons Lang project. Even if a similar class is defined in Commons Lang, it is not foreseen that Commons Codec would be made to depend on Commons Lang.

    This class is immutable and thread-safe.

    Since:
    1.7
    See Also:
    Standard charsets

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.nio.charset.Charset ISO_8859_1
      Deprecated.
      Use StandardCharsets.ISO_8859_1 instead.
      static java.nio.charset.Charset US_ASCII
      Deprecated.
      Use StandardCharsets.US_ASCII instead.
      static java.nio.charset.Charset UTF_16
      Deprecated.
      Use StandardCharsets.UTF_16 instead.
      static java.nio.charset.Charset UTF_16BE
      Deprecated.
      Use StandardCharsets.UTF_16BE instead.
      static java.nio.charset.Charset UTF_16LE
      Deprecated.
      Use StandardCharsets.UTF_16LE instead.
      static java.nio.charset.Charset UTF_8
      Deprecated.
      Use StandardCharsets.UTF_8 instead.

    • Constructor Summary

      Constructors 
      Constructor Description
      Charsets()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.nio.charset.Charset toCharset​(java.lang.String charset)
      Returns a Charset for the named charset.
      static java.nio.charset.Charset toCharset​(java.nio.charset.Charset charset)
      Returns the given Charset or the default Charset if the given Charset is null.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • ISO_8859_1

        @Deprecated
public static final java.nio.charset.Charset ISO_8859_1
        Deprecated.
        Use StandardCharsets.ISO_8859_1 instead.
        CharEncodingISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1.

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

      • US_ASCII

        @Deprecated
public static final java.nio.charset.Charset US_ASCII
        Deprecated.
        Use StandardCharsets.US_ASCII instead.
        Seven-bit ASCII, also known as ISO646-US, also known as the Basic Latin block of the Unicode character set.

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

      • UTF_16

        @Deprecated
public static final java.nio.charset.Charset UTF_16
        Deprecated.
        Use StandardCharsets.UTF_16 instead.
        Sixteen-bit Unicode Transformation Format, The byte order specified by a mandatory initial byte-order mark (either order accepted on input, big-endian used on output)

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

      • UTF_16BE

        @Deprecated
public static final java.nio.charset.Charset UTF_16BE
        Deprecated.
        Use StandardCharsets.UTF_16BE instead.
        Sixteen-bit Unicode Transformation Format, big-endian byte order.

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

      • UTF_16LE

        @Deprecated
public static final java.nio.charset.Charset UTF_16LE
        Deprecated.
        Use StandardCharsets.UTF_16LE instead.
        Sixteen-bit Unicode Transformation Format, little-endian byte order.

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

      • UTF_8

        @Deprecated
public static final java.nio.charset.Charset UTF_8
        Deprecated.
        Use StandardCharsets.UTF_8 instead.
        Eight-bit Unicode Transformation Format.

        Every implementation of the Java platform is required to support this character encoding.

        See Also:
        Standard charsets

    • Constructor Detail

      • Charsets

        public Charsets()

    • Method Detail

      • toCharset

        public static java.nio.charset.Charset toCharset​(java.nio.charset.Charset charset)
        Returns the given Charset or the default Charset if the given Charset is null.
        Parameters:
        charset - A charset or null.
        Returns:
        the given Charset or the default Charset if the given Charset is null

      • toCharset

        public static java.nio.charset.Charset toCharset​(java.lang.String charset)
        Returns a Charset for the named charset. If the name is null, return the default Charset.
        Parameters:
        charset - The name of the requested charset, may be null.
        Returns:
        a Charset for the named charset
        Throws:
        java.nio.charset.UnsupportedCharsetException - If the named charset is unavailable