Method accept

src/main/java/freemarker/core/Include.java:123–170

(Environment env)

    }

    void accept(Environment env) throws TemplateException, IOException {
        String templateNameString = includedTemplateName.getStringValue(env);
        if( templateNameString == null ) {
            String msg = "Error " + getStartLocation()
                        + "The expression " + includedTemplateName + " is undefined.";
            throw new InvalidReferenceException(msg, env);
        }
        String enc = encoding;
        if (encoding == null && encodingExp != null) {
            enc = encodingExp.getStringValue(env);
        }
        
        boolean parse = this.parse;
        if (parseExp != null) {
            TemplateModel tm = parseExp.getAsTemplateModel(env);
            if(tm == null) {
                if(env.isClassicCompatible()) {
                    parse = false;
                }
                else {
                    assertNonNull(tm, parseExp, env);
                }
            }
            if (tm instanceof TemplateScalarModel) {
                parse = getYesNo(EvaluationRules.getString((TemplateScalarModel)tm, parseExp, env));
            }
            else {
                parse = parseExp.isTrue(env);
            }
        }
        
        Template includedTemplate;
        try {
            templateNameString = TemplateCache.getFullTemplatePath(env, templatePath, templateNameString);
            includedTemplate = env.getTemplateForInclusion(templateNameString, enc, parse);
        }
        catch (ParseException pe) {
            String msg = "Error parsing included template "
                        + templateNameString  + "\n" + pe.getMessage();
            throw new TemplateException(msg, pe, env);
        }
        catch (IOException ioe) {
            String msg = "Error reading included file "
                        + templateNameString;
            throw new TemplateException(msg, ioe, env);
        }
        env.include(includedTemplate);
    }

    public String getCanonicalForm() {
        StringBuilder buf = new StringBuilder("<#include ");