Java tutorial
// Copyright 2015 Eivind Vegsundvg // // 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 ninja.eivind.hotsreplayuploader.utils; import ninja.eivind.hotsreplayuploader.models.Account; import ninja.eivind.hotsreplayuploader.models.Player; import ninja.eivind.hotsreplayuploader.services.platform.PlatformService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; /** * Utility class, which holds several application properties like paths * and provides several convencience methods like OS detection or * data mining game related information . */ @Component public class StormHandler { private static final String ACCOUNT_FOLDER_FILTER = "(\\d+[^A-Za-z,.\\-()\\s])"; private static final String hotsAccountFilter = "(\\d-Hero-\\d-\\d{1,20})"; private File hotsHome; @Autowired private PlatformService platformService; public StormHandler() { } public File getHotSHome() { if (hotsHome == null) { hotsHome = buildHotSHome(); } return hotsHome; } /** * Retrieves a {@link List} of {@link File}s, which represent * the replay file directory for a specific {@link Account}. * @return {@link List} of directories or an empty {@link List} */ public List<File> getReplayDirectories() { return getAccountDirectories().stream().map(StormHandler::getReplayDirectory).collect(Collectors.toList()); } private static File getReplayDirectory(File dir) { return new File(dir, "Replays" + File.separator + "Multiplayer"); } /** * Builds a {@link List} of URIs to the HOTSlogs API, which * can be used to retrieve {@link Player} information. * @return {@link List} of uris or an empty {@link List} */ public List<String> getAccountStringUris() { final List<File> accountDirectories = getAccountDirectories(); return accountDirectories.stream().map(folder -> { String[] split = folder.getName().replace("-Hero", "").split("-"); StringBuilder accountNameBuilder = new StringBuilder(); for (final String s : split) { accountNameBuilder.append("/").append(s); } return "https://www.hotslogs.com/API/Players" + accountNameBuilder.toString(); }).collect(Collectors.toList()); } public String getHotSAccountFilter() { return hotsAccountFilter; } private File buildHotSHome() { String hotsHome = System.getProperty("hots.home"); if (hotsHome != null) { return new File(hotsHome); } else { return platformService.getHotSHome(); } } private static long maxLastModified(File dir) { File[] files = getReplayDirectory(dir).listFiles(); if (files == null || files.length < 1) return Long.MIN_VALUE; return Arrays.stream(files).mapToLong(File::lastModified).max().orElse(Long.MIN_VALUE); } /** * Retrieves a {@link List} of {@link File}s, each containing files for a specific {@link Account}. * @return {@link List} of directories or an empty {@link List} */ private List<File> getAccountDirectories() { final List<File> hotsAccounts = new ArrayList<>(); File[] files = getHotSHome().listFiles((dir, name) -> name.matches(ACCOUNT_FOLDER_FILTER)); if (files == null) { files = new File[0]; } for (final File file : files) { final File[] hotsFolders = file.listFiles((dir, name) -> name.matches(hotsAccountFilter)); Arrays.stream(hotsFolders).forEach(hotsAccounts::add); } return hotsAccounts.stream().sorted((f1, f2) -> Long.compare(maxLastModified(f2), maxLastModified(f1))) .collect(Collectors.toList()); } }