com.github.hateoas.forms.spring.sample.test.ReviewController.java Source code

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Here is the source code for com.github.hateoas.forms.spring.sample.test.ReviewController.java

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/*
 * Copyright (c) 2014. Escalon System-Entwicklung, Dietrich Schulten
 *
 * 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.github.hateoas.forms.spring.sample.test;

import java.util.Arrays;
import java.util.List;

import com.github.hateoas.forms.action.Action;
import com.github.hateoas.forms.spring.AffordanceBuilder;
import org.springframework.hateoas.Resources;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.util.Assert;
import org.springframework.web.bind.annotation.*;

/**
 * Sample controller for reviews. Created by dschulten on 16.09.2014.
 */
@Controller
@RequestMapping("/reviews")
public class ReviewController {

    @SuppressWarnings("unchecked")
    List<List<Review>> reviews = Arrays.asList(Arrays.asList(new Review("Five peeps, one guitar", new Rating(5))),
            Arrays.asList(new Review("Great actress, special atmosphere", new Rating(5))));

    @RequestMapping(value = "/events/{eventId}", method = RequestMethod.GET)
    @ResponseBody
    public Resources<Review> getReviews(@PathVariable int eventId,
            @RequestParam(required = false) String ratingValue) {
        final Resources<Review> reviewResources = new Resources<Review>(reviews.get(eventId));
        reviewResources.add(AffordanceBuilder
                .linkTo(AffordanceBuilder.methodOn(DummyEventController.class).getEvent((Integer) null)) // pass null to create template
                .withRel("hydra:search"));
        return reviewResources;
    }

    @RequestMapping(value = "/events/{eventId}", method = RequestMethod.POST)
    public @ResponseBody ResponseEntity<Void> addReview(@PathVariable int eventId, @RequestBody Review review) {
        Assert.notNull(review);
        Assert.notNull(review.getReviewRating());
        Assert.notNull(review.getReviewRating().getRatingValue());
        final HttpHeaders headers = new HttpHeaders();
        headers.setLocation(AffordanceBuilder
                .linkTo(AffordanceBuilder.methodOn(this.getClass()).getReviews(eventId, null)).toUri());
        return new ResponseEntity(headers, HttpStatus.CREATED);
    }

    @Action("ReviewAction")
    @RequestMapping(value = "/events/{eventId}", method = RequestMethod.POST, params = { "review", "rating" })
    public @ResponseBody ResponseEntity<Void> addReview(@PathVariable int eventId, @RequestParam String review,
            @RequestParam int rating) {
        final HttpHeaders headers = new HttpHeaders();
        headers.setLocation(AffordanceBuilder
                .linkTo(AffordanceBuilder.methodOn(this.getClass()).getReviews(eventId, null)).toUri());
        return new ResponseEntity(headers, HttpStatus.CREATED);
    }
}