Examples of org.apache.myfaces.trinidad.convert.DateTimeConverter

Package org.apache.myfaces.trinidad.convert

Examples of org.apache.myfaces.trinidad.convert.DateTimeConverter

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 $

    return new TestSuite(TrinidadDateTimeConverterTest.class);
  }
  
  public void testConveniencePatterns()
  {
    DateTimeConverter dtConv   = new DateTimeConverter();
    dtConv.setLocale(Locale.US);
    
    //this is what SimpleInputDateRenderer does
    if(dtConv.getTimeZone() == null)
    {
      TimeZone tz = null;
      tz = _mafct.getTimeZone();
      if(tz == null)
        tz = TimeZone.getDefault();
      dtConv.setTimeZone(tz);
    }
    
    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String[] inputValue = {"15/2/2002", "January 4, 2004", "4-JAnuARY-2004", "JANUARY/4/2007", "Jan 4, 2004",
        "01/4/2004", "01-4-2004", "01.4.2004", "1/4/2004", "1-4-2004", "1.4.2004", "Jan/4/2004", "Jan-4-2004",
        "Jan.4.2004", "04-jan-2004", "4-jan-04", "4-jan-2004", "04-jAn-04", "04-JAN-04", "04-JAN-2004",
        "4-JAN-04", "4-JAN-2004", "January 4, 2004", "Jan 4, 2004"};


    for(int i = 0; i < inputValue.length; i++)
    {
      dtConv.getAsObject(facesContext, component, inputValue[i]);
    }
  }

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    }
  }


  public void testFormatedPatterns()
  {
    DateTimeConverter dtConv   = new DateTimeConverter();
    dtConv.setLocale(Locale.US);
    
    //this is what SimpleInputDateRenderer does
    if(dtConv.getTimeZone() == null)
    {
      TimeZone tz = null;
      tz = _mafct.getTimeZone();
      if(tz == null)
        tz = TimeZone.getDefault();
      dtConv.setTimeZone(tz);
    }
    
    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String[] inputValue = {"15/2/2002", "January 4, 2004", "4-JAnuARY-2004", "JANUARY/4/2007"};
    String[] formatedStrings = {"2/15/2002", "1/4/2004", "1/4/2004", "1/4/2007"};


    Date convertedDate = null;
    String returnedString = null;
    for(int i = 0; i < inputValue.length; i++)
    {
      convertedDate = (Date) dtConv.getAsObject(facesContext, component, inputValue[i]);
      returnedString = dtConv.getAsString(facesContext, component, convertedDate);
      assertEquals(returnedString, formatedStrings[i]);
    }
  }

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    gcal.setTimeZone(DEFAULT_TIME_ZONE);
    // Make use of this date for testing.
    Date date = gcal.getTime();


    DateTimeConverter dtConv   = new DateTimeConverter();
    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String inputValue          = "6/4/2999";


    dtConv.setDateStyle("shortish");
    dtConv.setLocale(Locale.ENGLISH);


    Date dt = (Date) dtConv.getAsObject(facesContext, component, inputValue);
    assertEquals(true, isEqual(date, dt));


    String exptectedStr = dtConv.getAsString(facesContext, component, dt);
    assertEquals(inputValue, exptectedStr);
    mock.verify();
  }

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    gcal.setTimeZone(DEFAULT_TIME_ZONE);
    // Make use of this date for testing.
    Date date = gcal.getTime();


    DateTimeConverter dtConv   = new DateTimeConverter();
    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String inputValue          = "6/4/1600";
    String secondaryPattern    = "MM/d/yyyy";


    dtConv.setLocale(Locale.US);
    dtConv.setDateStyle("Let us unset it ");
    dtConv.setType("Let us un set it");
    dtConv.setSecondaryPattern(secondaryPattern);


    // This should work fine
    Date dt = (Date) dtConv.getAsObject(facesContext, component, inputValue);
    assertEquals(true, isEqual(date, dt));


    try
    {
      dtConv.getAsString(facesContext, component, dt);
      fail("Use of secondary pattern in the above fashion is expected to fail here");
    }
    catch (RuntimeException ce)
    {
      // Just proceed . This is the expected state
    }


    dtConv.setDateStyle("shortish");
    dtConv.setType("date");


    // now we set date and type so this is expected to work fine.


    String expectedOut = dtConv.getAsString(facesContext, component, date);
    assertEquals(inputValue, expectedOut);


    mock.verify();
  }

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    Mock mock = buildMockUIComponent(iterations);
    UIComponent component = (UIComponent) mock.proxy();
    
    for (int i = 0; i < validInputs.length; i++)
    {
      DateTimeConverter
        dtConv = (DateTimeConverter) getDateTimeConverter();
      dtConv.setLocale(Locale.ENGLISH);
      dtConv.setPattern(primaryPattern);
      dtConv.setSecondaryPattern(secondaryPatttern);
      dtConv.setTimeZone(DEFAULT_TIME_ZONE);
      dtConv.setType("INVALID"); // make this type invalid


      Date convDate = (Date) dtConv.getAsObject(facesContext, component,
                                                validInputs[i]);
      assertEquals(convDate, dt);
      mock.verify();
    }
  }

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  {
    Object[][] data = _getDataForPatterns();


    for (int i = 0; i < data.length ; i++)
    {
      DateTimeConverter dtConv = new DateTimeConverter();
      dtConv.setPattern((String)data[i][0]);
      dtConv.setLocale((Locale)data[i][2]);
      dtConv.setTimeZone((TimeZone)data[i][3]);
      String inputValue = (String)data[i][1];


      javax.faces.convert.DateTimeConverter fdtConv
        = new javax.faces.convert.DateTimeConverter();
      fdtConv.setPattern((String)data[i][0]);
      fdtConv.setLocale((Locale)data[i][2]);
      fdtConv.setTimeZone((TimeZone)data[i][3]);


      Mock mock = buildMockUIComponent();
      UIComponent component = (UIComponent) mock.proxy();
      Date dtConvDate  = (Date)dtConv.getAsObject(facesContext, component, inputValue);
      Date fdtConvDate = (Date)fdtConv.getAsObject(facesContext, component, inputValue);
      //      assertEquals(dtConvDate, fdtConvDate);


      dtConv.getAsString(facesContext, component, dtConvDate);
      fdtConv.getAsString(facesContext, component, fdtConvDate);
      //      assertEquals(dtConvPattern, fdtConvPattern);
    }
  }

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  }


  @Override
  protected javax.faces.convert.DateTimeConverter getDateTimeConverter()
  {
    return new DateTimeConverter();
  }

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    return new TestSuite(TrinidadDateTimeConverterTest.class);
  }


  public void testConveniencePatterns()
  {
    DateTimeConverter dtConv   = new DateTimeConverter();
    dtConv.setLocale(Locale.US);


    //this is what SimpleInputDateRenderer does
    if(dtConv.getTimeZone() == null)
    {
      TimeZone tz = null;
      tz = _mafct.getTimeZone();
      if(tz == null)
        tz = TimeZone.getDefault();
      dtConv.setTimeZone(tz);
    }


    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String[] inputValue = {"15/2/2002", "January 4, 2004", "4-JAnuARY-2004", "JANUARY/4/2007", "Jan 4, 2004",
        "01/4/2004", "01-4-2004", "01.4.2004", "1/4/2004", "1-4-2004", "1.4.2004", "Jan/4/2004", "Jan-4-2004",
        "Jan.4.2004", "04-jan-2004", "4-jan-04", "4-jan-2004", "04-jAn-04", "04-JAN-04", "04-JAN-2004",
        "4-JAN-04", "4-JAN-2004", "January 4, 2004", "Jan 4, 2004"};


    for(int i = 0; i < inputValue.length; i++)
    {
      dtConv.getAsObject(facesContext, component, inputValue[i]);
    }
  }

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    }
  }


  public void testFormatedPatterns()
  {
    DateTimeConverter dtConv   = new DateTimeConverter();
    dtConv.setLocale(Locale.US);


    //this is what SimpleInputDateRenderer does
    if(dtConv.getTimeZone() == null)
    {
      TimeZone tz = null;
      tz = _mafct.getTimeZone();
      if(tz == null)
        tz = TimeZone.getDefault();
      dtConv.setTimeZone(tz);
    }


    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String[] inputValue = {"15/2/2002", "January 4, 2004", "4-JAnuARY-2004", "JANUARY/4/2007"};
    String[] formatedStrings = {"2/15/2002", "1/4/2004", "1/4/2004", "1/4/2007"};


    Date convertedDate = null;
    String returnedString = null;
    for(int i = 0; i < inputValue.length; i++)
    {
      convertedDate = (Date) dtConv.getAsObject(facesContext, component, inputValue[i]);
      returnedString = dtConv.getAsString(facesContext, component, convertedDate);
      assertEquals(returnedString, formatedStrings[i]);
    }
  }

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    gcal.setTimeZone(DEFAULT_TIME_ZONE);
    // Make use of this date for testing.
    Date date = gcal.getTime();


    DateTimeConverter dtConv   = new DateTimeConverter();
    Mock mock = buildMockUIComponent();
    UIComponent component = (UIComponent) mock.proxy();
    String inputValue          = "6/4/2999";


    dtConv.setDateStyle("shortish");
    dtConv.setLocale(Locale.ENGLISH);


    Date dt = (Date) dtConv.getAsObject(facesContext, component, inputValue);
    assertEquals(true, isEqual(date, dt));


    String exptectedStr = dtConv.getAsString(facesContext, component, dt);
    assertEquals(inputValue, exptectedStr);
    mock.verify();
  }

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