Bug 152430 Key can modify to empty string
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/EmbeddedImageHandle.java
{
			setPropertySilently( EmbeddedImage.DATA_MEMBER, new String( data,
					EmbeddedImage.CHARSET ) );
		}
		catch ( UnsupportedEncodingException e )
		{
			
			assert false;
		}
	}
	/**
	 * Returns the embedded image name. This name is used to identify an
	 * embedded image by image item.
	 * 
	 * @return the embedded image name
	 */
	public String getName( )
	{
		return getStringProperty( EmbeddedImage.NAME_MEMBER );
	}
	/**
	 * Sets the embedded image name. This name is used to identify an embedded
	 * image by image item.
	 * 
	 * @param name
	 *            the embedded image name to set
	 */
	public void setName( String name )
	{
		setPropertySilently( EmbeddedImage.NAME_MEMBER, name );