Package com.aspectran.core.util

Class DigestUtils

  • public abstract class DigestUtils
extends java.lang.Object

    This class is a clone of org.springframework.util.DigestUtils

    Miscellaneous methods for calculating digests.

    Mainly for internal use within the framework; consider Apache Commons Codec for a more comprehensive suite of digest utilities.

    Author:
    Arjen Poutsma, Juergen Hoeller, Craig Andrews

    • Constructor Summary

      Constructors 
      Constructor Description
      DigestUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.StringBuilder appendMd5DigestAsHex​(byte[] bytes, java.lang.StringBuilder builder)
      Append a hexadecimal string representation of the MD5 digest of the given bytes to the given StringBuilder.
      static java.lang.StringBuilder appendMd5DigestAsHex​(java.io.InputStream inputStream, java.lang.StringBuilder builder)
      Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given StringBuilder.
      static byte[] md5Digest​(byte[] bytes)
      Calculate the MD5 digest of the given bytes.
      static byte[] md5Digest​(java.io.InputStream inputStream)
      Calculate the MD5 digest of the given stream.
      static java.lang.String md5DigestAsHex​(byte[] bytes)
      Return a hexadecimal string representation of the MD5 digest of the given bytes.
      static java.lang.String md5DigestAsHex​(java.io.InputStream inputStream)
      Return a hexadecimal string representation of the MD5 digest of the given stream.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • DigestUtils

        public DigestUtils()

    • Method Detail

      • md5Digest

        public static byte[] md5Digest​(byte[] bytes)
        Calculate the MD5 digest of the given bytes.
        Parameters:
        bytes - the bytes to calculate the digest over
        Returns:
        the digest

      • md5Digest

        public static byte[] md5Digest​(java.io.InputStream inputStream)
                        throws java.io.IOException
        Calculate the MD5 digest of the given stream.

        This method does not close the input stream.

        Parameters:
        inputStream - the InputStream to calculate the digest over
        Returns:
        the digest
        Throws:
        java.io.IOException

      • md5DigestAsHex

        public static java.lang.String md5DigestAsHex​(byte[] bytes)
        Return a hexadecimal string representation of the MD5 digest of the given bytes.
        Parameters:
        bytes - the bytes to calculate the digest over
        Returns:
        a hexadecimal digest string

      • md5DigestAsHex

        public static java.lang.String md5DigestAsHex​(java.io.InputStream inputStream)
                                       throws java.io.IOException
        Return a hexadecimal string representation of the MD5 digest of the given stream.

        This method does not close the input stream.

        Parameters:
        inputStream - the InputStream to calculate the digest over
        Returns:
        a hexadecimal digest string
        Throws:
        java.io.IOException

      • appendMd5DigestAsHex

        public static java.lang.StringBuilder appendMd5DigestAsHex​(byte[] bytes,
                                                           java.lang.StringBuilder builder)
        Append a hexadecimal string representation of the MD5 digest of the given bytes to the given StringBuilder.
        Parameters:
        bytes - the bytes to calculate the digest over
        builder - the string builder to append the digest to
        Returns:
        the given string builder

      • appendMd5DigestAsHex

        public static java.lang.StringBuilder appendMd5DigestAsHex​(java.io.InputStream inputStream,
                                                           java.lang.StringBuilder builder)
                                                    throws java.io.IOException
        Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given StringBuilder.

        This method does not close the input stream.

        Parameters:
        inputStream - the inputStream to calculate the digest over
        builder - the string builder to append the digest to
        Returns:
        the given string builder
        Throws:
        java.io.IOException