Java tutorial
/* * Code contributed to the Learning Layers project * http://www.learning-layers.eu * Development is partly funded by the FP7 Programme of the European * Commission under Grant Agreement FP7-ICT-318209. * Copyright (c) 2016, Karlsruhe University of Applied Sciences. * For a list of contributors see the AUTHORS file at the top-level directory * of this distribution. * * 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 de.hska.ld.core.controller; import de.hska.ld.core.service.LogEntryService; import de.hska.ld.core.util.Core; import de.hska.ld.core.util.EscapeUtil; import org.pmw.tinylog.Logger; import org.pmw.tinylog.LoggingContext; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Sort; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.security.access.annotation.Secured; import org.springframework.transaction.annotation.Transactional; 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.bind.annotation.RestController; import java.util.List; import java.util.concurrent.Callable; @RestController @RequestMapping(Core.RESOURCE_LOG) public class LogEntryController { @Autowired private LogEntryService logEntryService; @Secured(Core.ROLE_ADMIN) @RequestMapping(method = RequestMethod.GET) @Transactional(readOnly = true) public Callable getLogEntryPage(@RequestParam(value = "page-number", defaultValue = "0") Integer pageNumber, @RequestParam(value = "page-size", defaultValue = "10") Integer pageSize, @RequestParam(value = "sort-direction", defaultValue = "DESC") Sort.Direction sortDirection, @RequestParam(value = "sort-property", defaultValue = "date") String sortProperty) { return () -> new ResponseEntity<>( logEntryService.findLogEntryPage(pageNumber, pageSize, sortDirection, sortProperty), HttpStatus.OK); } @Secured(Core.ROLE_USER) @RequestMapping(method = RequestMethod.POST) @Transactional public Callable addClientLogEntry(List<String> values) { return () -> { try { LoggingContext.put("user_email", EscapeUtil.escapeJsonForLogging(Core.currentUser().getEmail())); values.forEach(v -> { String[] splittedValue = v.split("###"); String key = splittedValue[0]; String value = splittedValue[1]; LoggingContext.put(key, EscapeUtil.escapeJsonForLogging(value)); }); Logger.trace("Client-side logging event."); return new ResponseEntity<>(HttpStatus.OK); } catch (Exception e) { Logger.error(e); return new ResponseEntity<>(HttpStatus.BAD_REQUEST); } finally { LoggingContext.clear(); } }; } }