Package com.feedzai.commons.sql.abstraction.util

Class StringUtils

  • public class StringUtils
extends Object
    String Utilities.
    Since:
    2.0.0
    Author:
    Rui Vilao (rui.vilao@feedzai.com)

    • Constructor Detail

      • StringUtils

        public StringUtils()

    • Method Detail

      • quotize

        public static String quotize​(String s)
        Puts quotes around a String.
        Parameters:
        s - the string to be 'quotized'
        Returns:
        a the string with quotes

      • quotize

        public static String quotize​(String s,
                             String quoteChar)
        Puts quotes around a String.
        Parameters:
        s - the string to be 'quotized'
        Returns:
        a the string with quotes

      • singleQuotize

        public static String singleQuotize​(String s)
        Puts single quotes around a string.
        Parameters:
        s - the string to be single 'quotized'
        Returns:
        a string with single quotes

      • md5

        public static String md5​(String message)
        Generates the MD5 checksum for the specified message.
        Parameters:
        message - The message.
        Returns:
        The hexadecimal checksum.

      • md5

        public static String md5​(String message,
                         int nchar)
        Generates de MD5 checksum for the specified message.
        Parameters:
        message - The message.
        nchar - The maximum number of chars for the result hash.
        Returns:
        The hexadecimal checksum with the specified maximum number of chars.

      • readString

        public static String readString​(InputStream stream)
                         throws IOException
        Reads a string from the input stream.
        Parameters:
        stream - The stream.
        Returns:
        The string from that stream.
        Throws:
        IOException - If an I/O error occurs.

      • escapeSql

        public static String escapeSql​(String str)
        Apache Commons-Lang 2.X contained StringEscapeUtils#escapeSql, but this method was removed in 3.X as discussed here: https://commons.apache.org/proper/commons-lang/article3_0.html#StringEscapeUtils.escapeSql For this reason, the source code has been copied from 2.X to here so that we can continue to use the logic and possibly build on it in the future. ***************** Copied from commons-lang:commons-lang:2.6 ****************

        Escapes the characters in a String to be suitable to pass to an SQL query.

        For example, 

        statement.executeQuery("SELECT * FROM MOVIES WHERE TITLE='" +
   StringEscapeUtils.escapeSql("McHale's Navy") +
   "'");

        At present, this method only turns single-quotes into doubled single-quotes ("McHale's Navy" => "McHale''s Navy"). It does not handle the cases of percent (%) or underscore (_) for use in LIKE clauses.

        see http://www.jguru.com/faq/view.jsp?EID=8881
        Parameters:
        str - the string to escape, may be null
        Returns:
        a new String, escaped for SQL, null if null string input