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/*
 * Copyright (c) 2015 the original author or authors
 *
 * 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 com.clusterra.iam.rest.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.web.HateoasPageableHandlerMethodArgumentResolver;
import org.springframework.data.web.HateoasSortHandlerMethodArgumentResolver;
import org.springframework.data.web.PagedResourcesAssembler;
import org.springframework.data.web.PagedResourcesAssemblerArgumentResolver;
import org.springframework.hateoas.config.EnableHypermediaSupport;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * Created by dkuchugurov on 18.04.2014.
 */
@Configuration
//@EnableSpringDataWebSupport //to register below beans automatically
@EnableHypermediaSupport(type = EnableHypermediaSupport.HypermediaType.HAL)
public class WebMvcConfiguration extends WebMvcConfigurationSupport {


    protected void addArgumentResolvers(List argumentResolvers) {
        argumentResolvers.add(pageableResolver());
        argumentResolvers.add(sortResolver());
        argumentResolvers.add(pagedResourcesAssemblerArgumentResolver());
    }

    @Bean
    public HateoasPageableHandlerMethodArgumentResolver pageableResolver() {
        return new HateoasPageableHandlerMethodArgumentResolver(sortResolver());
    }

    @Bean
    public HateoasSortHandlerMethodArgumentResolver sortResolver() {
        return new HateoasSortHandlerMethodArgumentResolver();
    }

    @Bean
    public PagedResourcesAssembler pagedResourcesAssembler() {
        return new PagedResourcesAssembler(pageableResolver(), null);
    }

    @Bean
    public PagedResourcesAssemblerArgumentResolver pagedResourcesAssemblerArgumentResolver() {
        return new PagedResourcesAssemblerArgumentResolver(pageableResolver(), null);
    }

}