/* Code that reads icon paths from extensions and register icons for use in graphiti */
final IConfigurationElement[] extensions = Platform.getExtensionRegistry().getConfigurationElementsFor( ID_TEMPLATE_EXTENSION_POINT );                      
for (final IConfigurationElement extension : extensions) {   
   String contributorBundleName = extension.getContributor().getName();
   String templateIconPath = extension.getAttribute( ID_TEMPLATE_ICON );
templateIconPath = "platform:/plugin/" + contributorBundleName +"/"+ templateIconPath;
   addImageFilePath( templateIconPath, templateIconPath );    
    
   String iconID =  templateIconPath;      
    /* ... */ 
}

/* This is standard, registered graphiti image provider */
public class SworkflowImageProvider extends AbstractImageProvider {    
	/* This method publishes needed protected method 'addImageFilePath' */
	public void addImageFilePathLazy(String imageId, String imageFilePath){
	    /** Check if its not already registered */
	    if(getImageFilePath( imageId ) == null){
	        addImageFilePath( imageId, imageFilePath );
	    }
	}	
}