freemarker.template.TemplateScalarModel#getAsString ( )源码实例Demo

/**
 * Gets boolean arg.
 * <p>
 * Will automatically interpret string true/false as boolean.
 */
public static Boolean getBooleanArg(TemplateModel obj, Boolean defaultValue) throws TemplateModelException {
    if (obj instanceof TemplateBooleanModel) {
        return ((TemplateBooleanModel) obj).getAsBoolean();
    }
    else if (obj instanceof TemplateScalarModel) {
        TemplateScalarModel s = (TemplateScalarModel) obj;
        String val = s.getAsString();
        // SCIPIO: empty check is desirable and makes it so caller can request default by specifying ""
        if (!val.isEmpty()) {
            return "true".equalsIgnoreCase(s.getAsString());
        }
    } else if (obj != null) {
        throw new TemplateModelException("Expected boolean model or string model representation of boolean, but got a " +
                obj.getClass() + " instead");
    }
    return defaultValue;
}
 

@Override
public Object exec(List arguments) throws TemplateModelException
{
    ExecutionStatistics.get().begin(NAME);
    if (arguments.size() < 1)
    {
        throw new TemplateModelException("Error, method expects one or two arguments (Integer, [verbosity:String])");
    }
    SimpleNumber simpleNumber = (SimpleNumber) arguments.get(0);
    int effort = simpleNumber.getAsNumber().intValue();

    Verbosity verbosity = Verbosity.SHORT;
    if (arguments.size() > 1)
    {
        final TemplateScalarModel verbosityModel = (TemplateScalarModel) arguments.get(1);
        String verbosityString = verbosityModel.getAsString();
        verbosity = Verbosity.valueOf(verbosityString.toUpperCase());
    }

    String result = EffortReportService.getEffortLevelDescription(verbosity, effort);

    ExecutionStatistics.get().end(NAME);
    return result;
}
 

@Override
public Object exec(@SuppressWarnings("rawtypes") List args) throws TemplateModelException {
    if (args == null || args.size() < 1 || args.size() > 3 ) {
        throw new TemplateModelException("Invalid number of arguments (expected: 1-3)");
    }
    Environment env = CommonFtlUtil.getCurrentEnvironment();
    TemplateModel object = (TemplateModel) args.get(0);

    String wrapperStr = null;
    String modeStr = null;
    if (args.size() >= 2) {
        TemplateScalarModel wrapperModel = (TemplateScalarModel) args.get(1);
        if (wrapperModel != null) {
            wrapperStr = wrapperModel.getAsString();
        }

        if (args.size() >= 3) {
            TemplateScalarModel modeModel = (TemplateScalarModel) args.get(2);
            if (modeModel != null) {
                modeStr = modeModel.getAsString();
            }
        }
    }

    Object res = LangFtlUtil.rewrapObject(object, WrappingOptions.makeOptions(wrapperStr, modeStr, env), env);
    return res;
}
 

/**
 * Returns the given model as string, optionally bypassing auto-escaping done by EscapingModels.
 *
 * @see EscapingModel
 */
public static String getAsString(TemplateScalarModel model, boolean nonEscaping) throws TemplateModelException {
    if (nonEscaping && (model instanceof EscapingModel)) {
        return (String) ((EscapingModel) model).getWrappedObject();
    } else {
        return model.getAsString();
    }
}
 

/**
 * Returns the given model as string, optionally bypassing auto-escaping done by EscapingModels;
 * if not a string, calles getAsString on it.
 * <p>
 * NOTE: this behaves similar to {@link #toRawString}, but returns a String.
 * They are almost the same.
 *
 * @see EscapingModel
 */
public static String getAsOrToString(TemplateScalarModel model, boolean nonEscaping) throws TemplateModelException {
    if (nonEscaping && (model instanceof EscapingModel)) {
        Object value = ((EscapingModel) model).getWrappedObject();
        if (value instanceof String || value == null) {
            return (String) value;
        } else {
            return model.getAsString();
        }
    } else {
        return model.getAsString();
    }
}
 

/**
 * Returns the given model as string, bypassing auto-escaping done by EscapingModels.
 * <p>
 * WARN (TODO?: REVIEW?): this can crash when model is CollectionModel or MapModel, childs of TemplateScalarModel.
 * we let it crash because non-strict typing may be dangerous and hide errors...
 *
 * @see EscapingModel
 */
public static String getAsStringNonEscaping(TemplateScalarModel model) throws TemplateModelException {
    if (model instanceof EscapingModel) {
        return (String) ((EscapingModel) model).getWrappedObject();
    } else {
        return model.getAsString();
    }
}