
io.vertigo.ui.impl.springmvc.argumentresolvers.ViewAttributeMethodArgumentResolver Maven / Gradle / Ivy
/**
* vertigo - application development platform
*
* Copyright (C) 2013-2022, Vertigo.io, [email protected]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.vertigo.ui.impl.springmvc.argumentresolvers;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import io.vertigo.core.lang.Assertion;
import io.vertigo.core.util.InjectorUtil;
import io.vertigo.datafactory.collections.model.SelectedFacetValues;
import io.vertigo.datamodel.structure.model.DtList;
import io.vertigo.datamodel.structure.model.DtObject;
import io.vertigo.ui.core.UiSelectedFacetValues;
import io.vertigo.ui.core.ViewContext;
import io.vertigo.ui.impl.springmvc.util.UiRequestUtil;
import io.vertigo.vega.engines.webservice.json.SelectedFacetValuesDeserializer;
import io.vertigo.vega.webservice.model.UiObject;
import io.vertigo.vega.webservice.stereotype.Validate;
import io.vertigo.vega.webservice.validation.DefaultDtObjectValidator;
import io.vertigo.vega.webservice.validation.DtObjectValidator;
import io.vertigo.vega.webservice.validation.UiMessageStack;
import io.vertigo.vega.webservice.validation.ValidationUserException;
public final class ViewAttributeMethodArgumentResolver implements HandlerMethodArgumentResolver {
private final List> defaultDtObjectValidators = Collections.singletonList(new DefaultDtObjectValidator<>());
private final Gson gson = new GsonBuilder().registerTypeAdapter(SelectedFacetValues.class, new SelectedFacetValuesDeserializer()).create();
@Override
public boolean supportsParameter(final MethodParameter parameter) {
return parameter.hasParameterAnnotation(ViewAttribute.class);
}
@Override
public Object resolveArgument(
final MethodParameter parameter,
final ModelAndViewContainer mavContainer,
final NativeWebRequest webRequest,
final WebDataBinderFactory binderFactory) {
final ViewContext viewContext = UiRequestUtil.getCurrentViewContext();
final UiMessageStack uiMessageStack = UiRequestUtil.obtainCurrentUiMessageStack();
Assertion.check().isNotNull(viewContext);
//---
final String contextKey = parameter.getParameterAnnotation(ViewAttribute.class).value();
//---
if (UiObject.class.isAssignableFrom(parameter.getParameterType())) {
return viewContext.getUiObject(() -> contextKey);
} else if (SelectedFacetValues.class.isAssignableFrom(parameter.getParameterType())) {
return convertToSelectedFacetValues(webRequest, viewContext, contextKey);
} else if (DtObject.class.isAssignableFrom(parameter.getParameterType()) || DtList.class.isAssignableFrom(parameter.getParameterType())) {
return mergeAndCheckInput(contextKey, viewContext, parameter, uiMessageStack);
}
final Object result = viewContext.get(contextKey);// for primitive or other objects
if (!Collection.class.isAssignableFrom(parameter.getParameterType())
&& !parameter.getParameterType().isArray()) {
return convertMultipleToSingleParameter(result, parameter);
}
return result;
}
private Object convertToSelectedFacetValues(final NativeWebRequest webRequest, final ViewContext viewContext, final String contextKey) {
final String selectedFacetsContextKey = contextKey + "_selectedFacets";
final String jsonSelectedFacets = webRequest.getParameter(selectedFacetsContextKey);
if (jsonSelectedFacets != null) {// param present
final SelectedFacetValues selectedFacetValues = gson.fromJson(jsonSelectedFacets, SelectedFacetValues.class);
final Collection facetNames = ((List
© 2015 - 2025 Weber Informatics LLC | Privacy Policy