Examples with ListPropertyValue org.alien4cloud.tosca.model.definitions.ListPropertyValue used on opensource projects

Example 6 with ListPropertyValue

use of org.alien4cloud.tosca.model.definitions.ListPropertyValue in project alien4cloud by alien4cloud.

the class FunctionEvaluator method getFromPath.

private static AbstractPropertyValue getFromPath(FunctionEvaluatorContext evaluatorContext, AbstractInstantiableTemplate targetTemplate, Map<String, AbstractPropertyValue> properties, String propertyPath) {
    if (propertyPath.contains(".")) {
        String propertyName = propertyPath.split("\\.")[0];
        AbstractPropertyValue propertyValue = properties.get(propertyName);
        if (!(propertyValue instanceof PropertyValue)) {
            // if the value is not a property value resolve it first
            propertyValue = tryResolveValue(evaluatorContext, targetTemplate, properties, propertyValue);
            if (propertyValue == null) {
                return null;
            }
        }
        // now it is a property value
        Object value = MapUtil.get(((PropertyValue) propertyValue).getValue(), propertyPath.substring(propertyName.length() + 1));
        if (value == null) {
            return null;
        } else if (value instanceof String) {
            return new ScalarPropertyValue((String) value);
        } else if (value instanceof List) {
            return new ListPropertyValue((List<Object>) value);
        } else if (value instanceof Map) {
            return new ComplexPropertyValue((Map<String, Object>) value);
        }
        throw new IllegalArgumentException("The value of a property must be a scalar, a list or a map.");
    }
    return safe(properties).get(propertyPath);
}