Class StringUtils

java.lang.Object
org.apache.tomcat.util.codec.binary.StringUtils
@Deprecated public class StringUtils extends Object
Deprecated.
Unused. This class will be removed in Tomcat 11 onwards.
Converts String to and from bytes using the encodings required by the Java specification. These encodings are specified in Standard charsets.

This class is immutable and thread-safe.

Since:
1.4
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    static byte[]
    getBytesUtf8(String string)
    Deprecated.
    Encodes the given string into a sequence of bytes using the UTF-8 charset, storing the result into a new byte array.
    static String
    newStringUsAscii(byte[] bytes)
    Deprecated.
    Constructs a new String by decoding the specified array of bytes using the US-ASCII charset.
    static String
    newStringUtf8(byte[] bytes)
    Deprecated.
    Constructs a new String by decoding the specified array of bytes using the UTF-8 charset.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • getBytesUtf8

      public static byte[] getBytesUtf8(String string)
      Deprecated.
      Encodes the given string into a sequence of bytes using the UTF-8 charset, storing the result into a new byte array.
      Parameters:
      string - the String to encode, may be null
      Returns:
      encoded bytes, or null if the input string was null
      Throws:
      NullPointerException - Thrown if StandardCharsets.UTF_8 is not initialized, which should never happen since it is required by the Java platform specification.
      Since:
      As of 1.7, throws NullPointerException instead of UnsupportedEncodingException
      See Also:

    • newStringUsAscii

      public static String newStringUsAscii(byte[] bytes)
      Deprecated.
      Constructs a new String by decoding the specified array of bytes using the US-ASCII charset.
      Parameters:
      bytes - The bytes to be decoded into characters
      Returns:
      A new String decoded from the specified array of bytes using the US-ASCII charset, or null if the input byte array was null.
      Throws:
      NullPointerException - Thrown if StandardCharsets.US_ASCII is not initialized, which should never happen since it is required by the Java platform specification.
      Since:
      As of 1.7, throws NullPointerException instead of UnsupportedEncodingException

    • newStringUtf8

      public static String newStringUtf8(byte[] bytes)
      Deprecated.
      Constructs a new String by decoding the specified array of bytes using the UTF-8 charset.
      Parameters:
      bytes - The bytes to be decoded into characters
      Returns:
      A new String decoded from the specified array of bytes using the UTF-8 charset, or null if the input byte array was null.
      Throws:
      NullPointerException - Thrown if StandardCharsets.UTF_8 is not initialized, which should never happen since it is required by the Java platform specification.
      Since:
      As of 1.7, throws NullPointerException instead of UnsupportedEncodingException