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

Package org.apache.myfaces.trinidad.convert

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

org.apache.myfaces.trinidad.convert.ColorConverter
Converters string to Color object and vice versa based on the patterns and the transparency set.
Pattern format for colors:
Color Format Syntax:
To specify the color format use a color pattern string. In this pattern, all ASCII letters are reserved as pattern letters, which are defined as the following:
```
 Symbol   Meaning                 Presentation        Example ------   -------                 ------------        ------- r        red component           (Number)            242 g        green component         (Number)            242 b        blue component          (Number)            242 a        alpha component         (Number)            255 R        red component           (Hex)               F2 G        green component         (Hex)               F2 B        blue component          (Hex)               F2 A        alpha component         (Hex)               FF '        escape for text         (Delimiter) ''       single quote            (Literal)           ' 
```
Examples:
```
 Format Pattern                         Result --------------                         ------- "#RRGGBB"                         ->>  #6609CC "rrr,ggg,bbb"                     ->>  102,009,204 "t"                               ->>  Transparent (when alpha is zero) 
```
If patterns is not set then it defaults to patterns "#RRGGBB", "r,g,b" The first pattern is special - it is always used for formatting color values. For default case, getAsString() will use "#RRGGBB" format to represent the color. Object as String.

The getAsObject() method parses a String into a {@link java.awt.Color}, 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.
- Parses the trimmed string as mentioned in the documentation, If the string does not match the patterns specified throw {@link ConverterException} containing a {@link #CONVERT_MESSAGE_ID} message.The detail message of {@link #CONVERT_MESSAGE_ID} can be overriddenby setting a custom error message, by calling method setConvertMessageDetail(). The custom message can contain placeholders as specified in {@link #CONVERT_MESSAGE_ID}. The placeholders will be replaced by appropriate values as mentioned in {@link #CONVERT_MESSAGE_ID}
The getAsString() method expects a value of type {@link Color} (or a subclass), and creates a formattedString 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.
- return the string representation of color based on the first pattern.
@version $Name: $ ($Revision: adfrt/faces/adf-faces-api/src/main/java/oracle/adf/view/faces/convert/ColorConverter.java#0 $) $Date: 10-nov-2005.19:09:09 $ @author The Oracle ADF Faces Team

  {
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);


    ColorConverter converter  = new ColorConverter();


    doTestNull(facesContext, wrapper, converter);
  }

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  public void testNullContext()
  {
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);
    ColorConverter converter  = new ColorConverter();


    doTestNullContext(wrapper, converter);
  }

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    doTestNullContext(wrapper, converter);
  }


  public void testNullComponent()
  {
    ColorConverter converter  = new ColorConverter();


    doTestNullComponent(facesContext, converter);
  }

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    doTestNullComponent(facesContext, converter);
  }


  public void testEmptyValueConversion()
  {
    super.doTestBlankValue(new ColorConverter());
  }

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  /**
   * Test for equality of converters
   */
  public void testEquals()
  {
    ColorConverter converter  = new ColorConverter();
    ColorConverter otherConverter = new ColorConverter();
    doTestEquals(converter, otherConverter, true);


    String[] patterns = {"rrr,ggg,bbb", "rrr-ggg-bbb"};
    String[] otherPatterns = {"rrr,ggg,bbb", "rrr-ggg-bbb"};
    converter.setPatterns(patterns);
    converter.setMessageDetailConvert("Test message detail");
    otherConverter.setMessageDetailConvert("Test message detail");
    otherConverter.setPatterns(otherPatterns);
    doTestEquals(converter, otherConverter, true);


    String[] newPattern = {"#RRGGBB", "RR.GG.BB"};
    otherConverter.setPatterns(newPattern);
    doTestEquals(converter, otherConverter, false);


    // check by modifiying the tranisent to be differnt
    // patterns are same
    otherConverter.setPatterns(otherPatterns);
    otherConverter.setTransient(true);
    doTestEquals(converter, otherConverter, false);




    // transient same, patterns same, but allowsTransparent diff
    otherConverter.setTransient(false);
    otherConverter.setTransparentAllowed(true);
    doTestEquals(converter, otherConverter, false);
  }

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    doTestEquals(converter, otherConverter, false);
  }


  public void testDefaultColorPatternWorks()
  {
    ColorConverter converter  = new ColorConverter();
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);
    String value = "#FFFFFF";
    Color expectedColor = new Color(255,255,255);

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  /**
   * Tests that dates after the date range cause a ValidationException.
   */
  public void testStateHolderSaveRestore()
  {
    ColorConverter converter = new ColorConverter();
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);


    String[] patterns = {"#RRGGBB","RR.GG.BB"};
    converter.setPatterns(patterns);
    converter.setMessageDetailConvert("Works fine");
    ColorConverter restoreConverter = new  ColorConverter();


    doTestStateHolderSaveRestore(converter, restoreConverter,
        facesContext, wrapper);
    mock.verify();
  }

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   * Test ColorConverte's getAsObject(FacesContext, UIComponent, String) method
   * works fine.
   */
  public void testGetAsObjectConversion()
  {
    ColorConverter converter = new ColorConverter();
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);


    String[] patterns = { "#RRGGBB",
                          "RR.GG.BB",
                          "RRGGBB",
                          "RR GG BB",
                          "rrr-ggg-bbb",
                          "rrr ggg bbb",
                          "r-g-b",
                          };


    String values[]   = { "#FF0204",
                          "FF0206",
                          "FF FF FF",
                          "0-0-0",
                          "105 105 105",
                        };


   Color[] matchColors = {  new Color(255,2,4),
                            new Color(255,2,6),
                            new Color(255,255,255),
                            new Color(0,0,0),
                            new Color(105,105,105)
                         };


    converter.setPatterns(patterns);
    for (int i = 0; i < values.length; i++)
    {
      doTestGetAsObject(converter, facesContext, wrapper, values[i], matchColors[i]);
    }
    mock.verify();

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   * Test Color conveters getAsString(FacesContext, UIComponent, Object) method
   * works fine
   */
  public void testGetAsString()
  {
    ColorConverter converter  = new ColorConverter();
    Mock mock = mock(UIComponent.class);
    UIComponent component = (UIComponent) mock.proxy();
    MockUIComponentWrapper wrapper = new MockUIComponentWrapper(mock, component);


    Color[] colors = {  new Color(255,2,4),
                        new Color(255,2,6),
                        new Color(255,255,255),
                        new Color(0,0,0),
                        new Color(105,105,105),
                      };


    List<String[]> patternsHoloder = new ArrayList<String[]>();
    patternsHoloder.add(new String[]{"#RRGGBB", "RRGGBB"});
    patternsHoloder.add(new String[]{"RR.GG.BB", "#RRGGBB" });
    patternsHoloder.add(new String[]{"RRGGBB", "r-g-b"});
    patternsHoloder.add(new String[]{"RR GG BB", "rrr ggg bbb"});
    patternsHoloder.add(new String[]{"rrr-ggg-bbb", "rrr ggg bbb" });


    String matchValues[]   = {  "#FF0204",
                                "FF.02.06",
                                "FFFFFF",
                                "00 00 00",
                                "105-105-105",
                             };


    for (int i = 0; i < patternsHoloder.size(); i++)
    {
      String[] patterns = patternsHoloder.get(i);
      converter.setPatterns(patterns);
      doTestGetAsString(converter, facesContext, wrapper,
                                    colors[i], matchValues[i] );
    }
    mock.verify();
  }

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  /**
   * Test that try to set null value for patterns throw IllegalArgumentException
   */
  public void testNullValueForPatterns()
  {
    ColorConverter converter = new ColorConverter();
    Mock mock = mock(UIComponent.class);
    
    try
    {
      converter.setPatterns(null);
      fail("Expected IllegalArgumentException for null value of patterns");
    }
    catch (IllegalArgumentException ex)
    {
      // expected fine

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