Examples of DateTimeConverter

javax.faces.convert.DateTimeConverter
@author Thomas Spiegl (latest modification by $Author: baranda $) @version $Revision: 290903 $ $Date: 2005-09-22 03:32:36 -0400 (Thu, 22 Sep 2005) $
org.apache.myfaces.trinidad.convert.DateTimeConverter
{@link Converter} implementation for java.util.Datevalues. Converts an strings to and from java.util.Date objects.
The converter has additonal features than standard JSF {@link javax.faces.convert.DateTimeConverter}. New dateStyle shortish has been introduced. Shortish is identical to short but forces the year to be a full four digits. If dateStyle is not set, then dateStyle defaults to shortish.
Timezone can be set per web-app in trinidad-config.xml configuration file. If timeZone is not set on the converter, then timezone will be defaulted to the value set in trinidad-config.xml configuration file. If it is not set in the configuration file, then it will be defaulted to GMT.

The converter always allows a level of leniency while converting user input value to date to the following extent.
- A converter with associated pattern 'MMM' for month, when attached to any value holder, will accept values with month specified in the form 'MM' or 'M' as valid.
- Allows use of separators '-' or '.' or '/' irrespective of the separator specified in the associated pattern.
- The leniency is applicable to both 'pattern' and 'secondaryPattern'.
For example:
When pattern on the converter is set to "MMM/d/yyyy" the following inputs are tolerated as valid by the converter.

Jan/4/2004

Jan-4-2004

Jan.4.2004

01/4/2004

01-4-2004

01.4.2004

1/4/2004

1-4-2004

1.4.2004

The detail part of faces message,for conversion errors can be customized by overriding the message associated with each CONVERT_[TYPE]_MESSAGE_ID.
The methods used for customizing the detail message associated with each id is given below:
1. {@link #CONVERT_DATE_MESSAGE_ID} - {@link #setMessageDetailConvertDate(String)}
2. {@link #CONVERT_TIME_MESSAGE_ID} - {@link #setMessageDetailConvertTime(String) }
3. {@link #CONVERT_BOTH_MESSAGE_ID} - {@link #setMessageDetailConvertBoth(String) }
The custom messages can contain placeholders, which will be replaced with values as specified in its corresponding message id.
The getAsObject() method parses a String into a java.util.Date, according to the following algorithm:
- If the specified String is null, return a null. Otherwise, trim leading and trailing whitespace before proceeding.
- If the specified String - after trimming - has a zero length, return null.
- If the locale property is not null, use that Locale for managing parsing. Otherwise, use the Locale from the UIViewRoot.
- If a pattern has been specified, its syntax must conform the rules specified by java.text.SimpleDateFormat. Such a pattern will be used to parse, and the type, dateStyle, and timeStyle properties will be ignored.
- If a pattern has not been specified, parsing will be based on the type property, which expects a date value, a time value, or both. Any date and time values included will be parsed in accordance to the styles specified by dateStyle and timeStyle, respectively.
- If conversion fails with pattern or style and if secondaryPattern is set, re parsers based on the secondaryPattern. Syntax for secondaryPattern must conform to the rules specified by java.text.SimpleDateFormat.
- Parsing is lenient as outlined earlier and is not the same as setting leniency on java.text.DateFormat
The getAsString() method expects a value of type java.util.Date (or a subclass), and creates a formatted String according to the following algorithm:
- If the specified value is null, return a zero-length String.
- If the specified value is a String, return it unmodified.
- If the locale property is not null, use that Locale for managing formatting. Otherwise, use the Locale from the UIViewRoot.
- If a pattern has been specified, its syntax must conform the rules specified by java.text.SimpleDateFormat. Such a pattern will be used to format, and the type, dateStyle, and timeStyle properties will be ignored.
- If a pattern has not been specified, formatting will be based on the type property, which includes a date value, a time value, or both into the formatted String. Any date and time values included will be formatted in accordance to the styles specified by dateStyle and timeStyle, respectively.
- secondaryPattern even if set is never used for formatting to a String
@see #CONVERT_DATE_MESSAGE_ID @see #CONVERT_TIME_MESSAGE_ID @see #CONVERT_BOTH_MESSAGE_ID @see java.text.DateFormat @see java.text.SimpleDateFormat @version $Name: $ ($Revision: adfrt/faces/adf-faces-api/src/main/java/oracle/adf/view/faces/convert/DateTimeConverter.java#0 $) $Date: 10-nov-2005.19:09:11 $
org.apache.myfaces.trinidadinternal.convert.DateTimeConverter

This class implements client side equivalent of DateTimeConverter. This class pushes all relevant information to the client side so that conversion can be enabled at the client side.
@version $Name: $ ($Revision:adfrt/faces/adf-faces-impl/src/main/java/oracle/adfinternal/view/faces/convert/DateTimeConverter.java#0 $) $Date: 10-nov-2005.19:06:22 $ @author The Oracle ADF Faces Team
org.jboss.seam.ui.converter.DateTimeConverter
org.sql2o.converters.joda.DateTimeConverter
Used by sql2o to convert a value from the database into a {@link DateTime} instance.

Examples of javax.faces.convert.DateTimeConverter

        
          if (date instanceof Date) {
        return (Date) date;
      } else {
            if (date instanceof String) {
          DateTimeConverter converter = new DateTimeConverter();
          converter.setPattern(this.getDatePattern());
          converter.setLocale(getAsLocale(this.getLocale()));
          converter.setTimeZone(this.getTimeZone());
          FacesContext context = FacesContext.getCurrentInstance();
          return (Date) converter.getAsObject(context, this,
              (String) date);
        } else {
          if (date instanceof Calendar) {
            return ((Calendar) date).getTime();
          } else {
                
                FacesContext context = FacesContext.getCurrentInstance();
                Converter converter = getConverter();
                
                if(converter != null) {
                    return getAsDate(converter.getAsString(context, this, date));
                }
                
            Application application = context.getApplication();
            converter = application.createConverter(date.getClass());
            if (null != converter) {
              return getAsDate(converter.getAsString(context,  this, date));
            } else {
              throw new FacesException("Wrong attibute type or there is no converter for custom attibute type");
            }


          }

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Examples of javax.faces.convert.DateTimeConverter

   * @param calendar - calendar component
   * 
   * @return created converter
   */
  protected static Converter createDefaultConverter() {
      return new DateTimeConverter();
  }

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Examples of javax.faces.convert.DateTimeConverter

      if(converter == null) {
    return null;
      }
      
      if(converter instanceof DateTimeConverter) {
    DateTimeConverter defaultConverter = (DateTimeConverter) converter;
    defaultConverter.setPattern(calendar.getDatePattern());
    defaultConverter.setLocale(calendar.getAsLocale(calendar.getLocale()));
    defaultConverter.setTimeZone(calendar.getTimeZone());
      }
      
      return converter;
  }

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Examples of javax.faces.convert.DateTimeConverter

  }


  public Date getConvertedValue(FacesContext context, String currentDateString)
      throws ConverterException {


    DateTimeConverter datetime = new DateTimeConverter();
    datetime.setPattern("m/y");
    Date newCurrentDate = (Date) datetime.getAsObject(context, this,
        currentDateString);
    return newCurrentDate;
  }

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Examples of javax.faces.convert.DateTimeConverter

    try {
      ValueExpression ve = getValueExpression("currentDate");
      if (ve != null) {
            ELContext elContext = context.getELContext(); 
            if (ve.getType(elContext).equals(String.class)) {
          DateTimeConverter convert = new DateTimeConverter();
          convert.setLocale(getAsLocale(getLocale()));
          convert.setPattern(getDatePattern());
          ve.setValue(context.getELContext(), convert.getAsString(context, this,
              currentDate));
          return;
        } else if (ve.getType(elContext).equals(Calendar.class)) {
          Calendar c = Calendar.getInstance();
          c.setTime((Date) currentDate);

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Examples of javax.faces.convert.DateTimeConverter

        
          if (date instanceof Date) {
        return (Date) date;
      } else {
            if (date instanceof String) {
          DateTimeConverter converter = new DateTimeConverter();
          converter.setPattern(this.getDatePattern());
          converter.setLocale(getAsLocale(this.getLocale()));
          converter.setTimeZone(this.getTimeZone());
          FacesContext context = FacesContext.getCurrentInstance();
          return (Date) converter.getAsObject(context, this,
              (String) date);
        } else {
          if (date instanceof Calendar) {
            return ((Calendar) date).getTime();
          } else {
                
                FacesContext context = FacesContext.getCurrentInstance();
                Converter converter = getConverter();
                
                if(converter != null) {
                    return getAsDate(converter.getAsString(context, this, date));
                }
                
            Application application = context.getApplication();
            converter = application.createConverter(date.getClass());
            if (null != converter) {
              return getAsDate(converter.getAsString(context,  this, date));
            } else {
              throw new FacesException("Wrong attibute type or there is no converter for custom attibute type");
            }


          }

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Examples of javax.faces.convert.DateTimeConverter

     * 
     * @see com.sun.facelets.tag.ObjectHandler#setAttributes(com.sun.facelets.FaceletContext,
     *      java.lang.Object)
     */
    protected void setAttributes(FaceletContext ctx, Object obj) {
        DateTimeConverter c = (DateTimeConverter) obj;
        if (this.locale != null) {
            c.setLocale(ComponentSupport.getLocale(ctx, this.locale));
        }
        if (this.pattern != null) {
            c.setPattern(this.pattern.getValue(ctx));
        } else {
            if (this.type != null) {
                c.setType(this.type.getValue(ctx));
            }
            if (this.dateStyle != null) {
                c.setDateStyle(this.dateStyle.getValue(ctx));
            }
            if (this.timeStyle != null) {
                c.setTimeStyle(this.timeStyle.getValue(ctx));
            }
        }
        
        if (this.timeZone != null) {
            Object t = this.timeZone.getObject(ctx);
            if(t != null) {
              if (t instanceof TimeZone) {
                  c.setTimeZone((TimeZone) t);
              } else if (t instanceof String) {
                  TimeZone tz = TimeZone.getTimeZone((String) t);
                  c.setTimeZone(tz);
              } else {
                  throw new TagAttributeException(
                          this.tag,
                          this.timeZone,
                          "Illegal TimeZone, must evaluate to either a java.util.TimeZone or String, is type: "

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Examples of javax.faces.convert.DateTimeConverter

        _type = type;
    }


    protected Converter createConverter() throws JspException
    {
        DateTimeConverter converter = (DateTimeConverter)super.createConverter();


        FacesContext facesContext = FacesContext.getCurrentInstance();
        setConverterDateStyle(facesContext, converter, _dateStyle);
        setConverterLocale(facesContext, converter, _locale);
        setConverterPattern(facesContext, converter, _pattern);

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Examples of javax.faces.convert.DateTimeConverter

        _type = type;
    }


    protected Converter createConverter() throws JspException
    {
        DateTimeConverter converter = (DateTimeConverter)super.createConverter();


        FacesContext facesContext = FacesContext.getCurrentInstance();
        setConverterDateStyle(facesContext, converter, _dateStyle);
        setConverterLocale(facesContext, converter, _locale);
        setConverterPattern(facesContext, converter, _pattern);

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Examples of javax.faces.convert.DateTimeConverter

    Converter converter = super.getConverter();
    if (converter == null) {
      // setting required default converter
      Application application
          = FacesContext.getCurrentInstance().getApplication();
      DateTimeConverter dateTimeConverter
          = (DateTimeConverter) application.createConverter(DateTimeConverter.CONVERTER_ID);
      dateTimeConverter.setPattern("HH:mm");
      dateTimeConverter.setTimeZone(TimeZone.getDefault());
      setConverter(dateTimeConverter);
    }
    return converter;
  }

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