#vulnerable code 
                                public Template parse(String name, String encoding) throws IOException, ParseException {
        if (name == null || name.length() == 0) {
            throw new IllegalArgumentException("include template name == null");
        }
        String macro = null;
		int i = name.indexOf('#');
        if (i > 0) {
        	macro = name.substring(i + 1);
        	name = name.substring(0, i);
        }
        Template template = Context.getContext().getTemplate();
        if (template != null) {
            if (encoding == null || encoding.length() == 0) {
                encoding = template.getEncoding();
            }
            name = UrlUtils.relativeUrl(name, template.getName());
        }
        name = UrlUtils.cleanUrl(name.trim());
        template = engine.getTemplate(name, encoding);
        if (macro != null && macro.length() > 0) {
			return template.getMacros().get(macro);
		}
        return template;
    } 
                            #location 18 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public Template parse(String name, String encoding) throws IOException, ParseException {
        if (name == null || name.length() == 0) {
            throw new IllegalArgumentException("include template name == null");
        }
        String macro = null;
		int i = name.indexOf('#');
        if (i > 0) {
        	macro = name.substring(i + 1);
        	name = name.substring(0, i);
        }
        Template template = Context.getContext().getTemplate();
        if (template != null) {
            if (encoding == null || encoding.length() == 0) {
                encoding = template.getEncoding();
            }
            name = UrlUtils.relativeUrl(name, template.getName());
        }
        template = engine.getTemplate(name, encoding);
        if (macro != null && macro.length() > 0) {
			return template.getMacros().get(macro);
		}
        return template;
    }