Examples of java.text.FieldPosition

java.text.FieldPosition
FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted output. Fields can be identified in two ways:
- By an integer constant, whose names typically end with _FIELD. The constants are defined in the various subclasses of Format.
- By a Format.Field constant, see ERA_FIELD and its friends in DateFormat for an example.
FieldPosition keeps track of the position of the field within the formatted output with two indices: the index of the first character of the field and the index of the last character of the field.
One version of the format method in the various Format classes requires a FieldPosition object as an argument. You use this format method to perform partial formatting or to get information about the formatted output (such as the position of a field).
If you are interested in the positions of all attributes in the formatted string use the Format method formatToCharacterIterator. @version 1.22 11/17/05 @author Mark Davis @see java.text.Format

    /**
     * Returns the dummy field position.
     */
    private FieldPosition dummyFieldPosition() {
        if (dummyFieldPosition == null) {
            dummyFieldPosition = new FieldPosition(NumberFormat.INTEGER_FIELD);
        }
        return dummyFieldPosition;
    }

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                case AngleFormat.MINUTES_FIELD:    field = AngleFormat.Field.MINUTES;    start= 3; limit= 6;  break;
                case AngleFormat.SECONDS_FIELD:    field = AngleFormat.Field.SECONDS;    start= 6; limit=11; break;
                case AngleFormat.HEMISPHERE_FIELD: field = AngleFormat.Field.HEMISPHERE; start=11; limit=12; break;
                default: continue; // Skip the fraction field.
            }
            final FieldPosition pos = new FieldPosition(field);
            assertEquals(FormattedCharacterIteratorTest.LATITUDE_STRING, f.format(latitude, buffer, pos).toString());
            assertSame  ("getFieldAttribute", field, pos.getFieldAttribute());
            assertEquals("getBeginIndex",     start, pos.getBeginIndex());
            assertEquals("getEndIndex",       limit, pos.getEndIndex());
            buffer.setLength(0);
        }
    }

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                }
                if (characterIterator != null) {
                    ((FormattedCharacterIterator) characterIterator)
                            .append(format.formatToCharacterIterator(value), toAppendTo);
                } else {
                    format.format(value, toAppendTo, new FieldPosition(-1));
                }
            }
            /*
             * At this point, the field has been formatted. Now store the field index,
             * then append the separator between this field and the next one.

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    }
  }
  public String getNumberAsString(Object o){
    if (enableLocalized){
      return formatNumber.format(o, new StringBuffer(),
                    new FieldPosition(0)).toString();
    }
    else {
      return o.toString();
    }
  }

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    public void setUserManagerService(JahiaUserManagerService userManagerService) {
        this.userManagerService = userManagerService;
    }


    public String generate(Resource resource, RenderContext renderContext) {
        return format.format(getArguments(resource, renderContext), new StringBuffer(32), new FieldPosition(
                0)).toString();
    }

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    public String replaceField(String key, String fieldName, String newValue) throws ParseException {
        Map<String, String> args = parseAsIs(key);
        args.put(fieldName, newValue);
        return format.format(args.values().toArray(new String[KNOWN_FIELDS.size()]), new StringBuffer(32),
                new FieldPosition(0)).toString();
    }

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                    new Integer(site.allocatedBytes),
                    new Integer(site.allocatedObjects),
                    site.className
                },
                new StringBuffer(),
                new FieldPosition(0)
            ));
            String[] stackFrames = (String[]) traces.get(new Integer(site.traceNumber));
            if (stackFrames != null) {
                for (int j = 0; j < stackFrames.length; ++j) {
                    System.out.println("                           " + stackFrames[j]);

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                    new Double(selfPercentage),
                    new Double(accumulatedPercentage),
                    new Integer(sample.count)
                },
                new StringBuffer(),
                new FieldPosition(0)
            ));
            String[] stackFrames = (String[]) traces.get(new Integer(sample.traceNumber));
            if (stackFrames != null) {
                for (int j = 0; j < stackFrames.length; ++j) {
                    System.out.println("                           " + stackFrames[j]);

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    }
  }
  public String getNumberAsString(Object o){
    if (enableLocalized){
      return formatNumber.format(o, new StringBuffer(),
                    new FieldPosition(0)).toString();
    }
    else {
      return o.toString();
    }
  }

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      if ((2 < formatting.length())
        && (formatting.charAt(1) == '.')
        && Character.isDigit(formatting.charAt(2))) {
        numberFormat.setMaximumFractionDigits(
          Integer.parseInt(formatting.charAt(2) + ""));
        numberFormat.format(number, outputTo, new FieldPosition(0));
        return 3;
      }
      numberFormat.format(number, outputTo, new FieldPosition(0));
      return 1;
    } else if (
      (0 < formatting.length()) && (formatting.charAt(0) == '.')) {
      if ((1 < formatting.length())
        && Character.isDigit(formatting.charAt(1))) {
        numberFormat.setMaximumFractionDigits(
          Integer.parseInt(formatting.charAt(1) + ""));
        numberFormat.format(number, outputTo, new FieldPosition(0));
        return 2;
      }
    }
    numberFormat.format(number, outputTo, new FieldPosition(0));
    return 1;
  }

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