Re: Modify the property of an object via Deferred Binding

It would be awesome if the gwt compiler would support something along these lines:

<replace-with class="com.my.FavoriteImplementation">

<when-type-is class="com.SomeInterface"/>

                <set-object-property type="boolean" value="false" name="turnFeatureOn"/>

                <set-object-property type="string" value="MyPrimaryStyle" name="defaultStyle"/>

                <set-object-property name="complexProperty" provider="com.my.ComplexPropertyProvider"/>

</replace-with>

This might actually reduce the need for custom generators and make customization via GWT.create a bit more powerful.

What about:

public abstract class AbstractImplementation implements SomeInterface {

  public AbstractImplementation(boolean turnFeatureOn, String defaultStyle, ComplexProperty complexProperty) {

     // store as fields

  }

} 

public class FavoriteImplementation extends AbstractImplementation {

  

  public FavoriteImplementation() {

    super(false, "MyPrimaryStyle", new DefaultComplexProperty);

  }

}

public class SometimesDifferentImplementation extends AbstractImplementation {

  

  public FavoriteImplementation() {

    super(true, "MySecondaryStyle", new CustomComplexProperty);

  }

}

<replace-with class="com.my.FavoriteImplementation">

  <when-type-is class="com.SomeInterface"/>

</replace-with>

<replace-with class="com.my.SometimesDifferentImplementation">

  <when-type-is class="com.SomeInterface"/>

  <when-property-is name="sometimes" value="different" />

</replace-with>

-- J.

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