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Commit b40a26c4 authored by Jun Yin's avatar Jun Yin
Browse files

Adds stripTrailingFs 

This function removes padding 'F' characters in a string (e.g., ICCID).

Bug: 38206971
Test: unit test in another cl
Change-Id: If77604576c5bd26404cdc436f8297191664325a4
parent 2a8c24be

telephony/java/com/android/internal/telephony/uicc/IccUtils.java

+7 −0
Original line number Diff line number Diff line
@@ -836,6 +836,13 @@ public class IccUtils { 
        return new String(new char[] {HEX_CHARS[(b & 0xFF) >>> 4], HEX_CHARS[b & 0xF]});

    }



    /**

     * Strip all the trailing 'F' characters of a string, e.g., an ICCID.

     */

    public static String stripTrailingFs(String s) {

        return s == null ? null : s.replaceAll("(?i)f*$", "");

    }



    /**

     * Converts a character of [0-9a-aA-F] to its hex value in a byte. If the character is not a

     * hex number, 0 will be returned.