io.vertigo.ui.impl.springmvc.argumentresolvers.DtListStateMethodArgumentResolver Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of vertigo-ui Show documentation

There is a newer version: 4.2.0

/**
 * vertigo - application development platform
 *
 * Copyright (C) 2013-2021, 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.util.Map;

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 io.vertigo.core.util.StringUtil;
import io.vertigo.datamodel.structure.model.DtListState;

public final class DtListStateMethodArgumentResolver implements HandlerMethodArgumentResolver {

	@Override
	public boolean supportsParameter(final MethodParameter parameter) {
		return DtListState.class.isAssignableFrom(parameter.getParameterType());
	}

	@Override
	public Object resolveArgument(
			final MethodParameter parameter,
			final ModelAndViewContainer mavContainer,
			final NativeWebRequest webRequest,
			final WebDataBinderFactory binderFactory) throws Exception {
		final Map parametersMap = webRequest.getParameterMap();
		//---
		final Integer top = parametersMap.containsKey("top") ? Integer.parseInt(webRequest.getParameter("top")) : null;
		final int skip = parametersMap.containsKey("skip") ? Integer.parseInt(webRequest.getParameter("skip")) : 0;
		final String sortFieldName = parametersMap.containsKey("sortFieldName") ? !StringUtil.isBlank(webRequest.getParameter("sortFieldName")) ? webRequest.getParameter("sortFieldName") : null : null;
		final Boolean sortDesc = parametersMap.containsKey("sortDesc") ? Boolean.valueOf(webRequest.getParameter("sortDesc")) : null;

		return DtListState.of(top, skip, sortFieldName, sortDesc);
	}

}