Examples with ObjectStringConverter org.webpieces.router.api.ObjectStringConverter used on opensource projects

Example 1 with ObjectStringConverter

use of org.webpieces.router.api.ObjectStringConverter in project webpieces by deanhiller.

the class ObjectToParamTranslator method formMap.

@SuppressWarnings({ "rawtypes", "unchecked" })
public Map<String, String> formMap(Method method, List<String> pathParamNames, Map<String, Object> redirectArgs) {
    if (pathParamNames.size() != redirectArgs.size())
        throw new IllegalReturnValueException("The Redirect object returned from method='" + method + "' has the wrong number of arguments. args.size=" + redirectArgs.size() + " should be size=" + pathParamNames.size());
    Map<String, String> nameToValue = new HashMap<>();
    for (int i = 0; i < pathParamNames.size(); i++) {
        String key = pathParamNames.get(i);
        Object value = redirectArgs.get(key);
        //value can't be null on redirect
        if (value == null)
            throw new IllegalArgumentException("Controller did not set key='" + key + "' or passed in null" + " for '" + key + "' and this is not allowed as you end up with the word 'null' in your url");
        ObjectStringConverter function = translator.getConverterFor(value);
        nameToValue.put(key, function.objectToString(value));
    }
    return nameToValue;
}

Example 2 with ObjectStringConverter

use of org.webpieces.router.api.ObjectStringConverter in project webpieces by deanhiller.

the class ParamToObjectTranslatorImpl method translate.

private Object translate(RouterRequest req, Method method, ParamNode valuesToUse, Meta fieldMeta, Validation validator) {
    Class<?> fieldClass = fieldMeta.getFieldClass();
    ObjectStringConverter<?> converter = objectTranslator.getConverter(fieldClass);
    if (converter != null) {
        return convert(req, method, valuesToUse, fieldMeta, converter, validator);
    } else if (fieldClass.isArray()) {
        throw new UnsupportedOperationException("not done yet...let me know and I will do it=" + fieldMeta);
    } else if (fieldClass.isEnum()) {
        throw new UnsupportedOperationException("You need to install a " + ObjectStringConverter.class.getSimpleName() + " for this enum " + fieldMeta);
    } else if (List.class.isAssignableFrom(fieldClass)) {
        if (valuesToUse == null)
            return new ArrayList<>();
        else if (valuesToUse instanceof ArrayNode) {
            List<ParamNode> paramNodes = ((ArrayNode) valuesToUse).getList();
            return createList(req, method, fieldMeta, validator, paramNodes);
        } else if (valuesToUse instanceof ValueNode) {
            List<ParamNode> paramNodes = new ArrayList<>();
            paramNodes.add(valuesToUse);
            return createList(req, method, fieldMeta, validator, paramNodes);
        }
        throw new IllegalArgumentException("Found List on field or param=" + fieldMeta + " but did not find ArrayNode type");
    } else if (valuesToUse instanceof ArrayNode) {
        throw new IllegalArgumentException("Incoming array need a type List but instead found type=" + fieldClass + " on field=" + fieldMeta);
    } else if (valuesToUse instanceof ValueNode) {
        ValueNode v = (ValueNode) valuesToUse;
        String fullName = v.getFullName();
        throw new IllegalArgumentException("Could not convert incoming value=" + v.getValue() + " of key name=" + fullName + " field=" + fieldMeta);
    } else if (valuesToUse == null) {
        //validate if null is ok or not
        fieldMeta.validateNullValue();
        return null;
    } else if (!(valuesToUse instanceof ParamTreeNode)) {
        throw new IllegalStateException("Bug, must be missing a case. v=" + valuesToUse + " type to field=" + fieldMeta);
    }
    ParamTreeNode tree = (ParamTreeNode) valuesToUse;
    EntityLookup pluginLookup = fetchPluginLoader(fieldClass);
    Object bean = null;
    if (pluginLookup != null) {
        bean = pluginLookup.find(fieldMeta, tree, c -> createBean(c));
        if (bean == null)
            throw new IllegalStateException("plugin=" + pluginLookup.getClass() + " failed to create bean.  This is a plugin bug");
    } else
        bean = createBean(fieldClass);
    for (Map.Entry<String, ParamNode> entry : tree.entrySet()) {
        String key = entry.getKey();
        ParamNode value = entry.getValue();
        Field field = findBeanFieldType(bean.getClass(), key, new ArrayList<>());
        FieldMeta nextFieldMeta = new FieldMeta(field);
        Object translatedValue = translate(req, method, value, nextFieldMeta, validator);
        nextFieldMeta.setValueOnBean(bean, translatedValue);
    }
    return bean;
}

Example 3 with ObjectStringConverter

use of org.webpieces.router.api.ObjectStringConverter in project webpieces by deanhiller.

the class HibernateLookup method find.

@SuppressWarnings("unchecked")
@Override
public <T> T find(Meta paramMeta, ParamTreeNode tree, Function<Class<T>, T> beanCreate) {
    if (!(paramMeta instanceof ParamMeta))
        throw new UnsupportedOperationException("this plugin does not support type=" + paramMeta.getClass());
    ParamMeta m = (ParamMeta) paramMeta;
    Class<T> paramTypeToCreate = (Class<T>) m.getFieldClass();
    EntityManager entityManager = Em.get();
    Metamodel metamodel = entityManager.getMetamodel();
    ManagedType<T> managedType = metamodel.managedType(paramTypeToCreate);
    EntityTypeImpl<T> entityType = (EntityTypeImpl<T>) managedType;
    Class<?> idClazz = entityType.getIdType().getJavaType();
    SingularAttribute<? super T, ?> idAttribute = entityType.getId(idClazz);
    String name = idAttribute.getName();
    ParamNode paramNode = tree.get(name);
    String value = null;
    if (paramNode != null) {
        if (!(paramNode instanceof ValueNode))
            throw new IllegalStateException("The id field in the hibernate entity should have matched to a " + "ValueNode on incoming data and did not. node=" + paramNode + ".  bad multipart form?  (Please " + "let us know so we can pair with you on this and I can add better error messaging)");
        ValueNode node = (ValueNode) paramNode;
        value = node.getValue();
    }
    if (value == null)
        return beanCreate.apply(paramTypeToCreate);
    @SuppressWarnings("rawtypes") ObjectStringConverter unmarshaller = translator.getConverter(idClazz);
    Object id = unmarshaller.stringToObject(value);
    UseQuery namedQuery = fetchUseQuery(m.getAnnotations());
    if (namedQuery == null)
        return entityManager.find(paramTypeToCreate, id);
    Query query = entityManager.createNamedQuery(namedQuery.value());
    query.setParameter(namedQuery.id(), id);
    return (T) query.getSingleResult();
}

Example 4 with ObjectStringConverter

use of org.webpieces.router.api.ObjectStringConverter in project webpieces by deanhiller.

the class CookieScopeImpl method put.

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public void put(String key, Object value) {
    hasModifiedData = true;
    ObjectStringConverter marshaller = objectTranslator.getConverterFor(value);
    String strValue = marshaller.objectToString(value);
    cookie.put(key, strValue);
}