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.domain.service.book; import am.ik.aws.apa.AwsApaRequester; import am.ik.aws.apa.jaxws.Image; import am.ik.aws.apa.jaxws.ItemAttributes; import am.ik.aws.apa.jaxws.ItemSearchRequest; import am.ik.aws.apa.jaxws.ItemSearchResponse; import am.ik.categolj2.core.message.MessageKeys; import org.springframework.stereotype.Service; import org.terasoluna.gfw.common.exception.SystemException; import javax.inject.Inject; import javax.xml.ws.Response; import javax.xml.ws.WebServiceException; import java.util.ArrayList; import java.util.List; import java.util.concurrent.ExecutionException; import java.util.stream.Collectors; @Service public class BookServiceImpl implements BookService { @Inject AwsApaRequester requester; List<BookDto> reseponseToBooks(ItemSearchResponse response) { return response.getItems().stream().flatMap(items -> items.getItem().stream()).map(item -> { BookDto book = new BookDto(); ItemAttributes attributes = item.getItemAttributes(); Image image = item.getMediumImage(); book.setAsin(item.getASIN()); book.setBookLink(item.getDetailPageURL()); if (image != null) { book.setBookImage(image.getURL()); } if (attributes != null) { book.setBookTitle(attributes.getTitle()); book.setAuthors(attributes.getAuthor()); book.setPublicationDate(attributes.getPublicationDate()); } return book; }).collect(Collectors.toList()); } Response<ItemSearchResponse> searchBook(ItemSearchRequest request) throws ExecutionException, InterruptedException { request.getResponseGroup().add("Large"); return requester.itemSearchAsync(request); } @Override public List<BookDto> searchByTitle(String title) { List<BookDto> books = new ArrayList<>(); try { ItemSearchRequest requestForBooks = new ItemSearchRequest(); requestForBooks.setTitle(title); requestForBooks.setSearchIndex("Books"); Response<ItemSearchResponse> responseForBooks = searchBook(requestForBooks); ItemSearchRequest requestForForeignBooks = new ItemSearchRequest(); requestForForeignBooks.setTitle(title); requestForForeignBooks.setSearchIndex("ForeignBooks"); Response<ItemSearchResponse> responseForForeignBooks = searchBook(requestForForeignBooks); books.addAll(reseponseToBooks(responseForBooks.get())); books.addAll(reseponseToBooks(responseForForeignBooks.get())); } catch (ExecutionException | InterruptedException | WebServiceException e) { throw new SystemException(MessageKeys.E_CT_BO_9501, e); } return books; } @Override public List<BookDto> searchByKeyword(String keyword) { List<BookDto> books = new ArrayList<>(); try { ItemSearchRequest requestForBooks = new ItemSearchRequest(); requestForBooks.setKeywords(keyword); requestForBooks.setSearchIndex("Books"); Response<ItemSearchResponse> responseForBooks = searchBook(requestForBooks); ItemSearchRequest requestForForeignBooks = new ItemSearchRequest(); requestForForeignBooks.setKeywords(keyword); requestForForeignBooks.setSearchIndex("ForeignBooks"); Response<ItemSearchResponse> responseForForeignBooks = searchBook(requestForForeignBooks); books.addAll(reseponseToBooks(responseForBooks.get())); books.addAll(reseponseToBooks(responseForForeignBooks.get())); } catch (ExecutionException | InterruptedException | WebServiceException e) { throw new SystemException(MessageKeys.E_CT_BO_9501, e); } return books; } }