Examples with TemplateModel freemarker.template.TemplateModel used on opensource projects

Example 31 with TemplateModel

use of freemarker.template.TemplateModel in project freemarker by apache.

the class BeanModel method invokeThroughDescriptor.

private TemplateModel invokeThroughDescriptor(Object desc, Map<Object, Object> classInfo) throws IllegalAccessException, InvocationTargetException, TemplateModelException {
    // See if this particular instance has a cached implementation for the requested feature descriptor
    TemplateModel cachedModel;
    synchronized (this) {
        cachedModel = memberCache != null ? memberCache.get(desc) : null;
    }
    if (cachedModel != null) {
        return cachedModel;
    }
    TemplateModel resultModel = UNKNOWN;
    if (desc instanceof FastPropertyDescriptor) {
        FastPropertyDescriptor pd = (FastPropertyDescriptor) desc;
        Method indexedReadMethod = pd.getIndexedReadMethod();
        if (indexedReadMethod != null) {
            if (!wrapper.getPreferIndexedReadMethod() && (pd.getReadMethod()) != null) {
                resultModel = wrapper.invokeMethod(object, pd.getReadMethod(), null);
            // cachedModel remains null, as we don't cache these
            } else {
                resultModel = cachedModel = new SimpleMethodModel(object, indexedReadMethod, ClassIntrospector.getArgTypes(classInfo, indexedReadMethod), wrapper);
            }
        } else {
            resultModel = wrapper.invokeMethod(object, pd.getReadMethod(), null);
        // cachedModel remains null, as we don't cache these
        }
    } else if (desc instanceof Field) {
        resultModel = wrapper.wrap(((Field) desc).get(object));
    // cachedModel remains null, as we don't cache these
    } else if (desc instanceof Method) {
        Method method = (Method) desc;
        resultModel = cachedModel = new SimpleMethodModel(object, method, ClassIntrospector.getArgTypes(classInfo, method), wrapper);
    } else if (desc instanceof OverloadedMethods) {
        resultModel = cachedModel = new OverloadedMethodsModel(object, (OverloadedMethods) desc, wrapper);
    }
    // If new cachedModel was created, cache it
    if (cachedModel != null) {
        synchronized (this) {
            if (memberCache == null) {
                memberCache = new HashMap<Object, TemplateModel>();
            }
            memberCache.put(desc, cachedModel);
        }
    }
    return resultModel;
}

Example 32 with TemplateModel

use of freemarker.template.TemplateModel in project freemarker by apache.

the class ModelCache method getInstance.

public TemplateModel getInstance(Object object) {
    if (object instanceof TemplateModel) {
        return (TemplateModel) object;
    }
    if (object instanceof TemplateModelAdapter) {
        return ((TemplateModelAdapter) object).getTemplateModel();
    }
    if (useCache && isCacheable(object)) {
        TemplateModel model = lookup(object);
        if (model == null) {
            model = create(object);
            register(model, object);
        }
        return model;
    } else {
        return create(object);
    }
}

Example 33 with TemplateModel

use of freemarker.template.TemplateModel in project freemarker by apache.

the class JythonModelCache method create.

@Override
protected TemplateModel create(Object obj) {
    boolean asHash = false;
    boolean asSequence = false;
    JythonVersionAdapter versionAdapter = JythonVersionAdapterHolder.INSTANCE;
    if (versionAdapter.isPyInstance(obj)) {
        Object jobj = versionAdapter.pyInstanceToJava(obj);
        // FreeMarker-aware, Jython-wrapped Java objects are left intact
        if (jobj instanceof TemplateModel) {
            return (TemplateModel) jobj;
        }
        if (jobj instanceof Map) {
            asHash = true;
        }
        if (jobj instanceof Date) {
            return new DateModel((Date) jobj, BeansWrapper.getDefaultInstance());
        } else if (jobj instanceof Collection) {
            asSequence = true;
            // doesn't support sets.
            if (!(jobj instanceof List)) {
                obj = new ArrayList((Collection) jobj);
            }
        }
    }
    // If it's not a PyObject, first make a PyObject out of it.
    if (!(obj instanceof PyObject)) {
        obj = Py.java2py(obj);
    }
    if (asHash || obj instanceof PyDictionary || obj instanceof PyStringMap) {
        return JythonHashModel.FACTORY.create(obj, wrapper);
    }
    if (asSequence || obj instanceof PySequence) {
        return JythonSequenceModel.FACTORY.create(obj, wrapper);
    }
    if (obj instanceof PyInteger || obj instanceof PyLong || obj instanceof PyFloat) {
        return JythonNumberModel.FACTORY.create(obj, wrapper);
    }
    if (obj instanceof PyNone) {
        return null;
    }
    return JythonModel.FACTORY.create(obj, wrapper);
}

Example 34 with TemplateModel

use of freemarker.template.TemplateModel in project freemarker by apache.

the class RhinoFunctionModel method exec.

public Object exec(List arguments) throws TemplateModelException {
    Context cx = Context.getCurrentContext();
    Object[] args = arguments.toArray();
    BeansWrapper wrapper = getWrapper();
    for (int i = 0; i < args.length; i++) {
        args[i] = wrapper.unwrap((TemplateModel) args[i]);
    }
    return wrapper.wrap(((Function) getScriptable()).call(cx, ScriptableObject.getTopLevelScope(fnThis), fnThis, args));
}

Example 35 with TemplateModel

use of freemarker.template.TemplateModel in project freemarker by apache.

the class AssertFailsDirective method execute.

public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
    String message = null;
    Pattern messageRegexp = null;
    String exception = null;
    int causeNestingLevel = 0;
    for (Object paramEnt : params.entrySet()) {
        Map.Entry<String, TemplateModel> param = (Map.Entry) paramEnt;
        String paramName = param.getKey();
        if (paramName.equals(MESSAGE_PARAM)) {
            message = getAsString(param.getValue(), MESSAGE_PARAM, env);
        } else if (paramName.equals(MESSAGE_REGEXP_PARAM)) {
            messageRegexp = Pattern.compile(getAsString(param.getValue(), MESSAGE_REGEXP_PARAM, env), Pattern.CASE_INSENSITIVE);
        } else if (paramName.equals(EXCEPTION_PARAM)) {
            exception = getAsString(param.getValue(), EXCEPTION_PARAM, env);
        } else if (paramName.equals(CAUSE_NESTING_LEVEL_PARAM)) {
            causeNestingLevel = getAsInt(param.getValue(), CAUSE_NESTING_LEVEL_PARAM, env);
        } else {
            throw new UnsupportedParameterException(paramName, env);
        }
    }
    if (body != null) {
        boolean blockFailed;
        try {
            body.render(NullWriter.INSTANCE);
            blockFailed = false;
        } catch (Throwable e) {
            blockFailed = true;
            int causeNestingLevelCountDown = causeNestingLevel;
            while (causeNestingLevelCountDown != 0) {
                e = e.getCause();
                if (e == null) {
                    throw new AssertationFailedInTemplateException("Failure is not like expected: The cause exception nesting dept was lower than " + causeNestingLevel + ".", env);
                }
                causeNestingLevelCountDown--;
            }
            if (message != null || messageRegexp != null) {
                if (e.getMessage() == null) {
                    throw new AssertationFailedInTemplateException("Failure is not like expected. The exception message was null, " + "and thus it doesn't contain:\n" + StringUtil.jQuote(message) + ".", env);
                }
                if (message != null) {
                    String actualMessage = e instanceof TemplateException ? ((TemplateException) e).getMessageWithoutStackTop() : e.getMessage();
                    if (actualMessage.toLowerCase().indexOf(message.toLowerCase()) == -1) {
                        throw new AssertationFailedInTemplateException("Failure is not like expected. The exception message:\n" + StringUtil.jQuote(actualMessage) + "\ndoesn't contain:\n" + StringUtil.jQuote(message) + ".", env);
                    }
                }
                if (messageRegexp != null) {
                    if (!messageRegexp.matcher(e.getMessage()).find()) {
                        throw new AssertationFailedInTemplateException("Failure is not like expected. The exception message:\n" + StringUtil.jQuote(e.getMessage()) + "\ndoesn't match this regexp:\n" + StringUtil.jQuote(messageRegexp.toString()) + ".", env);
                    }
                }
            }
            if (exception != null && e.getClass().getName().indexOf(exception) == -1) {
                throw new AssertationFailedInTemplateException("Failure is not like expected. The exception class name " + StringUtil.jQuote(e.getClass().getName()) + " doesn't contain " + StringUtil.jQuote(message) + ".", env);
            }
        }
        if (!blockFailed) {
            throw new AssertationFailedInTemplateException("Block was expected to fail, but it didn't.", env);
        }
    }
}