Examples of java.text.Format$FieldDelegate

java.text.Format
FieldDelegate is notified by the various Format implementations as they are formatting the Objects. This allows for storage of the individual sections of the formatted String for later use, such as in a FieldPosition or for an AttributedCharacterIterator.
Delegates should NOT assume that the Format will notify the delegate of fields in any particular order. @see FieldPosition.Delegate @see CharacterIteratorFieldDelegate

     * Returns a shared instance of {@link AngleFormat}. The return type is
     * {@link Format} in order to avoid class loading before necessary.
     */
    private static synchronized Format getAngleFormat() {
        if (format!=null) {
            final Format angleFormat = (Format) format.get();
            if (angleFormat!=null) {
                return angleFormat;
            }
        }
        final Format newFormat = new AngleFormat("D\u00b0MM.m'", Locale.US);
        format = new SoftReference<Format>(newFormat);
        return newFormat;
    }

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        //Irrespective of the scope ,if the dateformat has provided ,
        // should return the Date according to the provided format


        if (SynapseConstants.SYSTEM_DATE.equals(key)) {
            if (dateformat != null) {
                Format formatter = new SimpleDateFormat(dateformat.toString());
                return formatter.format(new java.util.Date());
            } else {
                Format formatter = new SimpleDateFormat();
                return formatter.format(new java.util.Date());
            }
        }


        //return the current system time as a string , don't care scope
        if (SynapseConstants.SYSTEM_TIME.equals(key)) {

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  private String toText(Object value, Object object) {
    if (value == null)
      return EMPTY_STRING;
    if (defaultValue != null && hideZeroValues && defaultValue.equals(value))
      return EMPTY_STRING;
    Format f = getFormat(object);
    if (f != null) {
      return f.format(value);
    } else {
      if (isHyperlink())
        return ((Hyperlink)value).toString();
      return FieldConverter.toString(value, getDisplayType(), null); // Convert
                                      // to

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    // log.warn("Tried to set text of read only field" + getId());
      return;
    }
    Object value = preprocessText(object, textValue, context);
    if (value == textValue) {
      Format f = getFormat(object);
      if (f != null) {
        try {
          value = f.parseObject(textValue);
        } catch (ParseException e) {
          f = getSecondaryFormat(object); // allow money to parse as number too
          boolean secondOK = false;
          if (f != null) {
            try {
              value = f.parseObject(textValue);
              secondOK = true;
            } catch (ParseException e1) {
            }
          }
          if (!secondOK)

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      return;
    }
    Object object = node.getImpl();
    Object value = preprocessText(object, textValue, context);
    if (value == textValue) {
      Format f = getFormat(object);
      if (f != null) {
        try {
          value = f.parseObject(textValue);
        } catch (ParseException e) {
          throw new FieldParseException(e);
        }
      } else {
        value = FieldConverter.convert(textValue, hasExternalType() ? externalType : internalType, context); // converts

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    /**
     * Ensures that the parse/format separation is correctly maintained. 
     */
    public void testCompositeFormat() {


        Format parser = new Format() {
            public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
                throw new UnsupportedOperationException("Not implemented");
            }


            public Object parseObject(String source, ParsePosition pos) {
                return null;    // do nothing
            }
        };


        Format formatter = new Format() {
            public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
                return null;    // do nothing
            }


            public Object parseObject(String source, ParsePosition pos) {

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        assertEquals( "Parser get method incorrectly implemented", parser, composite.getParser() );
        assertEquals( "Formatter get method incorrectly implemented", formatter, composite.getFormatter() );
    }


    public void testUsage() throws Exception {
        Format f1 = new SimpleDateFormat("MMddyyyy", Locale.ENGLISH);
        Format f2 = new SimpleDateFormat("MMMM d, yyyy", Locale.ENGLISH);
        CompositeFormat c = new CompositeFormat(f1, f2);
        String testString = "January 3, 2005";
        assertEquals(testString, c.format(c.parseObject("01032005")));
        assertEquals(testString, c.reformat("01032005"));
    }

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   * @return
   */
  private String append(Object... params){
    NumberFormat numberFormat = NumberFormat.getInstance(Locale.FRENCH);
    numberFormat.setMaximumFractionDigits(1);
    Format formatter = new SimpleDateFormat(Constants.DATE_FORMAT);
    String srcParam = "";
    for(Object param : params){
      if(param != null){
        if(param instanceof String){
          srcParam += param;
        }
        if(param instanceof Double){
          srcParam += numberFormat.format(param);
        }
        if(param instanceof Float){
          srcParam += numberFormat.format(param);
        }
        if(param instanceof Date){
          srcParam += formatter.format(param);
        }
      } else{
        srcParam += "null";
      }
      srcParam += Constants.SEPRATE;

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   */
  private String append(Object... params){
    numberFormat = NumberFormat.getInstance(Locale.FRENCH);
    numberFormat.setMaximumFractionDigits(1);  
    dateFormat = DateFormat.getDateInstance(DateFormat.DEFAULT);
    Format formatter = new SimpleDateFormat(Constants.DATE_FORMAT);
    String srcParam = "";
    for(Object param : params){
      if(param != null){
        if(param instanceof String){
          srcParam += param;
        }
        if(param instanceof Double){
          srcParam += numberFormat.format(param);
        }
        if(param instanceof Float){
          srcParam += numberFormat.format(param);
        }
        if(param instanceof Date){
          srcParam += formatter.format(param);
        }
      } else{
        srcParam += "null";
      }
      srcParam += Constants.SEPRATE;

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        formats = new HashMap<String,Format>();


        // init built-in formats


        Format zipFormat = ZipPlusFourFormat.instance;
        addFormat("00000\\-0000", zipFormat);
        addFormat("00000-0000", zipFormat);


        Format phoneFormat = PhoneFormat.instance;
        // allow for format string variations
        addFormat("[<=9999999]###\\-####;\\(###\\)\\ ###\\-####", phoneFormat);
        addFormat("[<=9999999]###-####;(###) ###-####", phoneFormat);
        addFormat("###\\-####;\\(###\\)\\ ###\\-####", phoneFormat);
        addFormat("###-####;(###) ###-####", phoneFormat);


        Format ssnFormat = SSNFormat.instance;
        addFormat("000\\-00\\-0000", ssnFormat);
        addFormat("000-00-0000", ssnFormat);
    }

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