com.culturedear.counterpoint.XmlRestController.java Source code

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/*
 * Copyright 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.culturedear.counterpoint;

import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.Optional;

/**
 * Created by kbastani on 10/15/15.
 */
@RestController
@RequestMapping("/counterpoint")
public class XmlRestController {

    @RequestMapping(method = RequestMethod.POST, consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_XML_VALUE)
    public ResponseEntity<Object> write(@RequestBody CounterpointModel counterpointModel) {

        // prepare response XML out
        CounterpointGenerator cg = new CounterpointGenerator();
        cg.fillRhyPat();
        int[] cf = counterpointModel.getMainMelody();
        cg.setCantusFirmus(cf);
        int[] vbs = counterpointModel.getPartsInitialNotes();

        CounterpointSolution counterpointSolution = cg.anySpecies(counterpointModel.getScaleMode(), vbs, cf.length,
                counterpointModel.getCounterpointSpecies(), counterpointModel.getRulePenalties());

        ScorePartwise scorePartwise = null;

        try {
            scorePartwise = counterpointSolution.toScorePartwise();
        } catch (NullPointerException ex) {
            scorePartwise = null;
        }

        return Optional.ofNullable(scorePartwise).map(cm -> new ResponseEntity<>((Object) cm, HttpStatus.OK))
                .orElse(new ResponseEntity<>("Could not compute the counterpoint.",
                        HttpStatus.INTERNAL_SERVER_ERROR));
    }
}