Java tutorial
/* * 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)); } }