CasViewerEclipsePlugin/uimaj-ep-casviewer-core/src/main/java/org/apache/uima/casviewer/ui/internal/style/DefaultColorTreeLabelProvider.java [108:139]:
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			    return null;
			}           
	    } else {
			// throw unknownElement(element);
		    return null;
	    }
		//obtain the cached image corresponding to the descriptor
        if (descriptor != null) {
    		Image image = (Image)imageCache.get(descriptor);
    		if (image == null) {
    			image = descriptor.createImage();
                if (image != null) {
                    imageCache.put(descriptor, image);
                }
    		}
    		return image;
        } else {
            return null;
        }
	}

	/*
	 * @see ILabelProvider#getText(Object)
	 */
	public String getText(Object element) 
	{
	    if (element instanceof TypeNode) {
            if ( ((TypeNode)element).getObjectType() == IItemTypeConstants.ITEM_TYPE_TYPE ) {
                if (((TypeNode)element).getObject() != null) {
                    String ioText = "";
                    if (_showFullName) {
                        return ((TypeDescription)((TypeNode)element).getObject()).getName()+ioText
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CasViewerEclipsePlugin/uimaj-ep-casviewer-core/src/main/java/org/apache/uima/casviewer/ui/internal/type/TypesTreeLabelProvider.java [125:158]:
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			    return null;
			}
	    } else {
			// throw unknownElement(element);
		    return null;
	    }
		//obtain the cached image corresponding to the descriptor
        if (descriptor != null) {
    		Image image = (Image)imageCache.get(descriptor);
    		if (image == null) {
    			image = descriptor.createImage();
                if (image != null) {
                    imageCache.put(descriptor, image);
                }
    		}
    		return image;
        } else {
            return null;
        }
	}

	/*
	 * @see ILabelProvider#getText(Object)
	 */
	public String getText(Object element) 
	{
        // Trace.trace();
	    if (element instanceof TypeNode) {
	        if ( ((TypeNode)element).getObjectType() == IItemTypeConstants.ITEM_TYPE_TYPE ) {
                // Trace.trace(((TypeNode)element).getLabel());
                if (((TypeNode)element).getObject() != null) {
                    String ioText = "";
                    if (_showFullName) {
                        return ((TypeDescription)((TypeNode)element).getObject()).getName()+ioText
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