org.apache.commons.io

Class Charsets



  • public class Charsetsextends 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.)
    Since:
    2.3
    Version:
    $Id: Charsets.java 1686747 2015-06-21 18:44:49Z krosenvold $
    See Also:
    Standard charsets
    • Field Detail

      • ISO_8859_1

        @Deprecatedpublic static final Charset ISO_8859_1
        Deprecated. Use Java 7's StandardCharsets
        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

        @Deprecatedpublic static final Charset US_ASCII
        Deprecated. Use Java 7's StandardCharsets

        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

        @Deprecatedpublic static final Charset UTF_16
        Deprecated. Use Java 7's StandardCharsets

        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

        @Deprecatedpublic static final Charset UTF_16BE
        Deprecated. Use Java 7's StandardCharsets

        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

        @Deprecatedpublic static final Charset UTF_16LE
        Deprecated. Use Java 7's StandardCharsets

        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
    • Constructor Detail

      • Charsets

        public Charsets()
    • Method Detail

      • requiredCharsets

        public static SortedMap<String,Charset> requiredCharsets()
        Constructs a sorted map from canonical charset names to charset objects required of every implementation of the Java platform.

        From the Java documentation Standard charsets:

        Returns:
        An immutable, case-insensitive map from canonical charset names to charset objects.
        Since:
        2.5
        See Also:
        Charset.availableCharsets()
      • toCharset

        public static Charset toCharset(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 Charset toCharset(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:
        UnsupportedCharsetException - If the named charset is unavailable

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