Examples of java.text.ParsePosition

java.text.ParsePosition
ParsePosition is a simple class used by Format and its subclasses to keep track of the current position during parsing. The parseObject method in the various Format classes requires a ParsePosition object as an argument.
By design, as you parse through a string with different formats, you can use the same ParsePosition, since the index parameter records the current position. @version 1.20 11/17/05 @author Mark Davis @see java.text.Format

    DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
    if (dfs.getGroupingSeparator() == '\u00a0')
      value = value.replace(' ', '\u00a0');
         


    ParsePosition pp = new ParsePosition(0);
    Number num = (Number) fmt.parseObject(value,pp);


    if (pp.getIndex() != value.length())
    {
      Object label = ConverterUtils.getComponentLabel(component);
      Object[] params = {label, value, getPattern()};
      throw new ConverterException(
        getConvertMessage(context, component, value, params));

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   */
  @Override
  public Object parseObject(
    String source) throws ParseException 
  {
    ParsePosition status = new ParsePosition(0);
    Object result = parseObject(source, status);
    
    int index = status.getIndex();
    if (index == 0 ||
        (source != null && index < source.length())) 
    {
        throw new ParseException("Format.parseObject(String) failed",
            status.getErrorIndex());
    }
    return result;
  }

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   */
  @Override
  public Object parseObject(
    String source) throws ParseException 
  {
    ParsePosition status = new ParsePosition(0);
    Object result = parseObject(source, status);
    int index = status.getIndex();
    if (index == 0 ||
        (source != null && index < source.length())) 
    {
        throw new ParseException("Format.parseObject(String) failed",
            status.getErrorIndex());
    }
    return result;
  }

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    if (s == null || s.equals(""))
      return new Nullable<Date>();
    else {
      SimpleDateFormat df = new SimpleDateFormat(
          "yyyy-MM-dd'T'HH:mm:ss'Z'");
      Date d = df.parse(s, new ParsePosition(0));
      if (d == null)
        throw new InvalidFormatException("Date not well formated");
      return new Nullable<Date>(d);
    }
  }

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    }


    @Test
    public void testParseIgnoredWhitespace() {
        Vector2D expected = new Vector2D(1, 1);
        ParsePosition pos1 = new ParsePosition(0);
        String source1 = "{1;1}";
        Assert.assertEquals(expected, vector2DFormat.parse(source1, pos1));
        Assert.assertEquals(source1.length(), pos1.getIndex());
        ParsePosition pos2 = new ParsePosition(0);
        String source2 = " { 1 ; 1 } ";
        Assert.assertEquals(expected, vector2DFormat.parse(source2, pos2));
        Assert.assertEquals(source2.length() - 1, pos2.getIndex());
    }

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        Assert.assertEquals(nf, cf.getFormat());
    }


    @Test
    public void testForgottenPrefix() {
        ParsePosition pos = new ParsePosition(0);
        Assert.assertNull(new Vector2DFormat().parse("1; 1}", pos));
        Assert.assertEquals(0, pos.getErrorIndex());
    }

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        Assert.assertEquals(0, pos.getErrorIndex());
    }


    @Test
    public void testForgottenSeparator() {
        ParsePosition pos = new ParsePosition(0);
        Assert.assertNull(new Vector2DFormat().parse("{1 1}", pos));
        Assert.assertEquals(3, pos.getErrorIndex());
    }

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        Assert.assertEquals(3, pos.getErrorIndex());
    }


    @Test
    public void testForgottenSuffix() {
        ParsePosition pos = new ParsePosition(0);
        Assert.assertNull(new Vector2DFormat().parse("{1; 1 ", pos));
        Assert.assertEquals(5, pos.getErrorIndex());
    }

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    }


    @Test
    public void testParseIgnoredWhitespace() {
        Vector1D expected = new Vector1D(1);
        ParsePosition pos1 = new ParsePosition(0);
        String source1 = "{1}";
        Assert.assertEquals(expected, vector1DFormat.parse(source1, pos1));
        Assert.assertEquals(source1.length(), pos1.getIndex());
        ParsePosition pos2 = new ParsePosition(0);
        String source2 = " { 1 } ";
        Assert.assertEquals(expected, vector1DFormat.parse(source2, pos2));
        Assert.assertEquals(source2.length() - 1, pos2.getIndex());
    }

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        Assert.assertEquals(nf, cf.getFormat());
    }


    @Test
    public void testForgottenPrefix() {
        ParsePosition pos = new ParsePosition(0);
        Assert.assertNull(new Vector1DFormat().parse("1}", pos));
        Assert.assertEquals(0, pos.getErrorIndex());
    }

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