Bug 155509 ModuleHandle findResource method does not support .properties files
There is no fileType for .properties files in IResourceLocator
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
module.broadcastDisposeEvent( event );
	}
	/**
	 * Returns the structures which are defined in report design and all
	 * included valid libraries. This method will filter the structure with
	 * duplicate name with the follow rule.
	 * 
	 * <ul>
	 * <li>The structure defined in design file overrides the one with the same
	 * name in library file.
	 * <li>The structure defined in preceding library overrides the one with
	 * the same name in following library file.
	 * <ul>
	 * 
	 * @param propName
	 *            name of the list property
	 * @param nameMember
	 *            name of the name member
	 * @return the filtered structure list with the above rule.
	 */
	List getFilteredStructureList( String propName, String nameMember )
	{
		List list = new ArrayList( );
		PropertyHandle propHandle = getPropertyHandle( propName );
		assert propHandle != null;
		Set names = new HashSet( );
		Iterator iter = propHandle.iterator( );
		while ( iter.hasNext( ) )
		{
			StructureHandle s = (StructureHandle) iter.next( );