example.web.UserController.java Source code

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Here is the source code for example.web.UserController.java

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/*
 * Copyright 2015-2016 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 example.web;

import example.User;
import example.UserRepository;
import lombok.RequiredArgsConstructor;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.querydsl.binding.QuerydslPredicate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;

import com.querydsl.core.types.Predicate;

/**
 * Controller to handle web requests for {@link User}s.
 * 
 * @author Christoph Strobl
 * @author Oliver Gierke
 */
@Controller
@RequiredArgsConstructor(onConstructor = @__(@Autowired))
class UserController {

    private final UserRepository repository;

    @RequestMapping(value = "/", method = RequestMethod.GET)
    String index(Model model, //
            @QuerydslPredicate(root = User.class) Predicate predicate, Pageable pageable, //
            @RequestParam MultiValueMap<String, String> parameters) {

        // TODO: 01 - Support for Querydsl predicates

        ServletUriComponentsBuilder builder = ServletUriComponentsBuilder.fromCurrentRequest();
        builder.replaceQueryParam("page", new Object[0]);

        model.addAttribute("baseUri", builder.build().toUri());
        model.addAttribute("users", repository.findAll(predicate, pageable));

        return "index";
    }
}