Examples with ParamMeta org.webpieces.router.api.extensions.ParamMeta used on opensource projects

Example 1 with ParamMeta

use of org.webpieces.router.api.extensions.ParamMeta in project webpieces by deanhiller.

the class HibernateLookup method findEntityImpl.

private <T> T findEntityImpl(ParamMeta paramMeta, ParamTreeNode tree, Function<Class<T>, T> beanCreate, EntityManager entityManager) {
    ParamMeta m = paramMeta;
    Class<T> paramTypeToCreate = (Class<T>) m.getFieldClass();
    Metamodel metamodel = entityManager.getMetamodel();
    ManagedType<T> managedType = metamodel.managedType(paramTypeToCreate);
    IdentifiableType<T> entityType = (IdentifiableType<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 2 with ParamMeta

use of org.webpieces.router.api.extensions.ParamMeta in project webpieces by deanhiller.

the class ParamToObjectTranslatorImpl method createArgsImpl.

protected XFuture<List<Object>> createArgsImpl(Method method, RequestContext ctx, BodyContentBinder binder) {
    RouterRequest req = ctx.getRequest();
    Parameter[] paramMetas = method.getParameters();
    Annotation[][] paramAnnotations = method.getParameterAnnotations();
    ParamTreeNode paramTree = new ParamTreeNode();
    // For multipart AND for query params such as ?var=xxx&var=yyy&var2=xxx AND for url path params /mypath/{var1}/account/{id}
    // query params first
    Map<String, String> queryParams = translate(req.queryParams);
    treeCreator.createTree(paramTree, queryParams, FromEnum.QUERY_PARAM);
    // next multi-part params
    Map<String, String> multiPartParams = translate(req.multiPartFields);
    treeCreator.createTree(paramTree, multiPartParams, FromEnum.FORM_MULTIPART);
    // lastly path params
    treeCreator.createTree(paramTree, ctx.getPathParams(), FromEnum.URL_PATH);
    List<Object> results = new ArrayList<>();
    XFuture<List<Object>> future = XFuture.completedFuture(results);
    for (int i = 0; i < paramMetas.length; i++) {
        Parameter paramMeta = paramMetas[i];
        Annotation[] annotations = paramAnnotations[i];
        ParamMeta fieldMeta = new ParamMeta(method, paramMeta, annotations);
        String name = fieldMeta.getName();
        ParamNode paramNode = paramTree.get(name);
        XFuture<Object> beanFuture;
        if (binder != null && isManagedBy(binder, fieldMeta)) {
            Object bean = binder.unmarshal(ctx, fieldMeta, req.body.createByteArray());
            beanFuture = XFuture.completedFuture(bean);
        } else {
            beanFuture = translate(req, method, paramNode, fieldMeta, ctx.getValidation());
        }
        future = future.thenCompose(list -> {
            return beanFuture.thenApply(bean -> {
                list.add(bean);
                return list;
            });
        });
    }
    return future;
}

Example 3 with ParamMeta

use of org.webpieces.router.api.extensions.ParamMeta in project webpieces by deanhiller.

the class DtoLookup method find.

@SuppressWarnings("unchecked")
@Override
public <T> XFuture<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();
    Dto annotation = paramTypeToCreate.getAnnotation(Dto.class);
    // EntityManager entityManager = Em.get();
    // Metamodel metamodel = entityManager.getMetamodel();
    // ManagedType<T> managedType = metamodel.managedType(paramTypeToCreate);
    // IdentifiableType<T> entityType = (IdentifiableType<T>) managedType;
    Method method;
    try {
        method = paramTypeToCreate.getMethod("getId");
    } catch (NoSuchMethodException | SecurityException e) {
        throw new IllegalStateException("Class=" + paramTypeToCreate.getName() + " has an annotation @Dto and this requires that dto to have a method getId, but we could not find that method", e);
    }
    Class<?> idClazz = method.getReturnType();
    // SingularAttribute<? super T, ?> idAttribute = entityType.getId(idClazz);
    // String name = idAttribute.getName();
    String name = "id";
    ParamNode paramNode = tree.get(name);
    String value = null;
    if (paramNode != null) {
        if (!(paramNode instanceof ValueNode))
            throw new IllegalStateException("The id field in the DTO 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) {
        T theBean = beanCreate.apply(paramTypeToCreate);
        return XFuture.completedFuture(theBean);
    }
    @SuppressWarnings("rawtypes") ObjectStringConverter unmarshaller = translator.getConverter(idClazz);
    Object id = unmarshaller.stringToObject(value);
    Class lookupClass = annotation.lookupClass();
    String function = annotation.function();
    Object instance = webInjector.getCurrentInjector().getInstance(lookupClass);
    Method lookupMethod;
    try {
        lookupMethod = lookupClass.getMethod(function, idClazz);
    } catch (NoSuchMethodException | SecurityException e) {
        throw new IllegalArgumentException("Your function in @Dto='XFuture<" + paramTypeToCreate + "> " + function + "(" + idClazz.getName() + ")' on class=" + lookupClass.getName() + " cannot be found.  We also did not find method='" + paramTypeToCreate + " " + function + "(" + idClazz.getName() + ")'");
    }
    Object result;
    try {
        result = lookupMethod.invoke(instance, id);
    } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
        throw new RuntimeException("Exception invoking lookup method", e);
    }
    if (result instanceof XFuture) {
        return (XFuture<T>) result;
    }
    return (XFuture<T>) XFuture.completedFuture(result);
}