com.github.dandelion.datatables.extras.spring3.ajax.DatatablesCriteriasResolver Maven / Gradle / Ivy
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/*
* [The "BSD licence"]
* Copyright (c) 2012 Dandelion
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Dandelion nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.dandelion.datatables.extras.spring3.ajax;
import javax.servlet.http.HttpServletRequest;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebArgumentResolver;
import org.springframework.web.context.request.NativeWebRequest;
import com.github.dandelion.datatables.core.ajax.DatatablesCriterias;
/**
*
* Spring bean that resolves the @DatatablesParams custom arguments in Spring
* MVC controllers.
*
* The bean directly map the request parameters sent by DataTables when
* server-side processing is enabled into a {@link DatatablesCriterias} bean.
*
* @author Thibault Duchateau
* @since 0.8.2
*/
public class DatatablesCriteriasResolver implements WebArgumentResolver {
public Object resolveArgument(MethodParameter methodParam, NativeWebRequest nativeWebRequest)
throws Exception {
DatatablesParams parameterAnnotation = methodParam
.getParameterAnnotation(DatatablesParams.class);
if (parameterAnnotation != null) {
HttpServletRequest request = (HttpServletRequest) nativeWebRequest.getNativeRequest();
return DatatablesCriterias.getFromRequest(request);
}
return WebArgumentResolver.UNRESOLVED;
}
}