net.rim.device.api.ui.text
Class HexadecimalTextFilter
java.lang.Object
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+--net.rim.device.api.ui.text.TextFilter
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+--net.rim.device.api.ui.text.HexadecimalTextFilter
- public class HexadecimalTextFilter
- extends TextFilter
Filters out characters not usable in hexadecimal text strings.
This filter translates all characters but those valid in hexadecimal text
strings (upper case 'A' through 'F' and all digits).
| Fields inherited from class net.rim.device.api.ui.text.TextFilter |
ADN_SIM_PHONE, DEFAULT, DEFAULT_SMART_PHONE, EMAIL, FDN_SIM_PHONE, FILENAME, HEXADECIMAL, INTEGER, IP, LOWERCASE, NUMERIC, PHONE, PIN_ADDRESS, REAL_NUMERIC, SIM_PHONE, SMS_PHONE, STYLE_SHIFT, UPPERCASE, URL, VOICEMAIL_PHONE |
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Method Summary |
char |
convert(char character,
int status)
Passes character through hexadecimal text filter. |
boolean |
validate(char character)
Determines if character is a valid hexadecimal string character. |
HexadecimalTextFilter
public HexadecimalTextFilter()
- Constructs a new HexadecimalTextFilter instance.
convert
public char convert(char character,
int status)
- Passes character through hexadecimal text filter.
- Overrides:
convert in class TextFilter
- Parameters:
character - Character to translate.status - a value that indicates how the character was generated.- Returns:
- If you provide a valid hexadecimal character, this method passes
it through unaltered; otherwise, this method passes back the value
retrieved from
Keypad.getAltedChar(character).
If the character provided is not a valid hexadecimal character and the value retrieved from Keypad.getAltedChar(character)
is not a valid hexadecimal character, then the uppercase character is returned
Special Cases:
- If alt is held down then the unalted uppercase character is returned.
- If character is not entered from keypad then the uppercase character is returned.
validate
public boolean validate(char character)
- Determines if character is a valid hexadecimal string character.
- Overrides:
validate in class TextFilter
- Parameters:
character - Character to test.- Returns:
- True if the character is valid for hexadecimal strings;
otherwise, false.
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