Java tutorial
/* * Copyright (C) 2014 Toshiaki Maki * * 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 am.ik.categolj2.api.entry; import am.ik.categolj2.api.ApiVersion; import am.ik.categolj2.api.Categolj2Headers; import am.ik.categolj2.domain.model.*; import am.ik.categolj2.domain.service.accesslog.AccessLogHelper; import am.ik.categolj2.domain.service.entry.EntryService; import org.dozer.Mapper; import org.springframework.data.domain.Page; import org.springframework.data.domain.PageImpl; import org.springframework.data.domain.Pageable; import org.springframework.data.web.PageableDefault; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.*; import javax.inject.Inject; import java.util.List; import java.util.stream.Collectors; @RestController @RequestMapping("api/" + ApiVersion.CURRENT_VERSION) public class EntryRestController { @Inject EntryService entryService; @Inject AccessLogHelper accessLogHelper; @Inject Mapper beanMapper; // Public API @RequestMapping(value = "entries", method = RequestMethod.GET) public Page<EntryResource> getEntries(@PageableDefault Pageable pageable, AccessLog accessLog, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Page<Entry> page = entryService.findPagePublished(pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "entries", method = RequestMethod.GET, params = "keyword") public Page<EntryResource> searchEntries(@RequestParam("keyword") String keyword, AccessLog accessLog, @PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Page<Entry> page = entryService.searchPagePublishedByKeyword(keyword, pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "entries/{entryId}", method = RequestMethod.GET) public EntryResource getEntry(@PathVariable("entryId") Integer entryId, AccessLog accessLog, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Entry entry = entryService.findOnePublished(entryId); return toResource(entry, isFormatted); } @RequestMapping(value = "categories/{category}/entries", method = RequestMethod.GET) public Page<EntryResource> getEntriesByCategory(@PathVariable("category") String category, AccessLog accessLog, @PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Categories categories = Categories.fromCategory(category); Integer categoryOrder = categories.getCategories().size(); String categoryName = categories.getCategories().get(categoryOrder - 1).getCategoryName(); Page<Entry> page = entryService.findPagePublishedByCategoryNameAndCategoryOrder(categoryName, categoryOrder, pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "users/{createdBy}/entries", method = RequestMethod.GET) public Page<EntryResource> getEntriesByCreatedBy(@PathVariable("createdBy") String createdBy, AccessLog accessLog, @PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Page<Entry> page = entryService.findPagePublishedByCreatedBy(createdBy, pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "tags/{tagName}/entries", method = RequestMethod.GET) public Page<EntryResource> getEntriesByTagName(@PathVariable("tagName") String tagName, AccessLog accessLog, @PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { accessLogHelper.writeIfAccessLogIsEnabled(accessLog); Page<Entry> page = entryService.findPagePublishedByTagName(tagName, pageable); return toResourcePage(page, pageable, isFormatted); } // Admin API @RequestMapping(value = "entries", method = RequestMethod.GET, headers = Categolj2Headers.X_ADMIN) public Page<EntryResource> getEntriesInAdmin(@PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { Page<Entry> page = entryService.findPage(pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "entries", method = RequestMethod.GET, params = "keyword", headers = Categolj2Headers.X_ADMIN) public Page<EntryResource> searchEntriesInAdmin(@RequestParam("keyword") String keyword, @PageableDefault Pageable pageable, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { Page<Entry> page = entryService.searchPageByKeyword(keyword, pageable); return toResourcePage(page, pageable, isFormatted); } @RequestMapping(value = "entries/{entryId}", method = RequestMethod.GET, headers = Categolj2Headers.X_ADMIN) public EntryResource getEntryInAdmin(@PathVariable("entryId") Integer entryId, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { Entry entry = entryService.findOne(entryId); return toResource(entry, isFormatted); } @RequestMapping(value = "entries", method = RequestMethod.POST, headers = Categolj2Headers.X_ADMIN) public ResponseEntity<EntryResource> createEntryInAdmin(@RequestBody @Validated EntryResource entryResource, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { Entry entry = beanMapper.map(entryResource, Entry.class); List<Category> categories = entry.getCategory(); entry.setCategory(null); Entry created = entryService.create(entry, categories); return new ResponseEntity<>(toResource(created, isFormatted), HttpStatus.CREATED); } @RequestMapping(value = "entries/{entryId}", method = RequestMethod.PUT, headers = Categolj2Headers.X_ADMIN) public ResponseEntity<EntryResource> updateEntryInAdmin(@PathVariable("entryId") Integer entryId, @RequestBody @Validated EntryResource entryResource, @RequestHeader(value = Categolj2Headers.X_FORMATTED, required = false, defaultValue = "false") boolean isFormatted) { Entry entry = beanMapper.map(entryResource, Entry.class); new Categories(entry.getCategory()).applyEntryId(entryId); Entry updated = entryService.update(entryId, entry, entryResource.isUpdateLastModifiedDate(), entryResource.isSaveInHistory()); return new ResponseEntity<>(toResource(updated, isFormatted), HttpStatus.OK); } @RequestMapping(value = "entries/{entryId}", method = RequestMethod.DELETE, headers = Categolj2Headers.X_ADMIN) public ResponseEntity<Void> deleteEntryInAdmin(@PathVariable("entryId") Integer entryId) { entryService.delete(entryId); return new ResponseEntity<>(HttpStatus.NO_CONTENT); } EntryResource toResource(Entry entry, boolean isFormatted) { EntryResource resource = beanMapper.map(entry, EntryResource.class).setCategoryName(entry.getCategory()); if (isFormatted) { EntryFormat format = EntryFormat.valueOf(resource.getFormat().toUpperCase()); resource.setContents(format.format(resource.getContents())); } return resource; } Page<EntryResource> toResourcePage(Page<Entry> page, Pageable pageable, boolean isFormatted) { List<EntryResource> resources = page.getContent().stream().map(entry -> toResource(entry, isFormatted)) .collect(Collectors.toList()); return new PageImpl<>(resources, pageable, page.getTotalElements()); } }