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/core/Module.java
* are described in {@link #findResource(String, int)}.
	 * 
	 * @param fileName
	 *            the file name to check
	 * @param fileType
	 *            the file type
	 * @return true if the file exists, false otherwise.
	 */
	public boolean isFileExist( String fileName, int fileType )
	{
		URL url = findResource( fileName, fileType );
		return url != null;
	}
	/**
	 * Gets a list containing all the include libraries.
	 * 
	 * @return a list containing all the include libraries. Return
	 *         <code>null</code> if there were no include libraries defined.
	 */
	public List getIncludedLibraries( )
	{
		return Collections.unmodifiableList( (List) getLocalProperty( this,
				LIBRARIES_PROP ) );
	}
	/**
	 * Gets the default units for the design.
	 * 
	 * @return the default units used in the design
	 */
	public String getUnits( )