List of usage examples for com.google.common.collect Collections2 transform
public static <F, T> Collection<T> transform(Collection<F> fromCollection, Function<? super F, T> function)
From source file:com.himanshu.utilities.guava.ListTransformDemo.java
public static void main(String[] args) { List<WrapperA> wrapperAList = new ArrayList<WrapperA>(); wrapperAList.add(new WrapperA("test 1")); wrapperAList.add(new WrapperA("test 2")); wrapperAList.add(new WrapperA("test 3")); Collection<WrapperB> wrapperBList = Collections2.transform(wrapperAList, new Function<WrapperA, WrapperB>() { @Override//from ww w. j a va 2s. c om public WrapperB apply(WrapperA arg0) { return new WrapperB(arg0.getName(), UUID.randomUUID().toString()); } }); System.out.println("WrapperA : " + wrapperAList); System.out.println("WrapperB : " + wrapperBList); }
From source file:com.cloudbees.api.Main.java
public static void main(String[] args) throws Exception { File beesCredentialsFile = new File(System.getProperty("user.home"), ".bees/bees.config"); Preconditions.checkArgument(beesCredentialsFile.exists(), "File %s not found", beesCredentialsFile); Properties beesCredentials = new Properties(); beesCredentials.load(new FileInputStream(beesCredentialsFile)); String apiUrl = "https://api.cloudbees.com/api"; String apiKey = beesCredentials.getProperty("bees.api.key"); String secret = beesCredentials.getProperty("bees.api.secret"); BeesClient client = new BeesClient(apiUrl, apiKey, secret, "xml", "1.0"); client.setVerbose(false);//from w w w. ja v a2 s. co m URL databasesUrl = Thread.currentThread().getContextClassLoader().getResource("databases.txt"); Preconditions.checkNotNull(databasesUrl, "File 'databases.txt' NOT found in the classpath"); Collection<String> databaseNames; try { databaseNames = Sets.newTreeSet(Resources.readLines(databasesUrl, Charsets.ISO_8859_1)); } catch (Exception e) { throw Throwables.propagate(e); } databaseNames = Collections2.transform(databaseNames, new Function<String, String>() { @Nullable @Override public String apply(@Nullable String input) { // {host_db_create,<<"tco_q5rm">>,<<"TCO_q5rm">>, if (input == null) return null; if (input.startsWith("#")) return null; if (input.indexOf('"') == -1) { logger.warn("Skip invalid line {}", input); return null; } input = input.substring(input.indexOf('"') + 1); if (input.indexOf('"') == -1) { logger.warn("Skip invalid line {}", input); return null; } return input.substring(0, input.indexOf('"')); } }); databaseNames = Collections2.filter(databaseNames, new Predicate<String>() { @Override public boolean apply(@Nullable String s) { return !Strings.isNullOrEmpty(s); } }); Multimap<String, String> databasesByAccount = ArrayListMultimap.create(); Class.forName("com.mysql.jdbc.Driver"); for (String databaseName : databaseNames) { try { DatabaseInfo databaseInfo = client.databaseInfo(databaseName, true); databasesByAccount.put(databaseInfo.getOwner(), databaseInfo.getName()); logger.debug("Evaluate " + databaseInfo.getName()); if (true == false) { // Hibernate logger.info("Hibernate {}", databaseName); Map<String, String> params = new HashMap<String, String>(); params.put("database_id", databaseName); String url = client.getRequestURL("database.hibernate", params); String response = client.executeRequest(url); DatabaseInfoResponse apiResponse = (DatabaseInfoResponse) client.readResponse(response); logger.info("DB {} status: {}", apiResponse.getDatabaseInfo().getName(), apiResponse.getDatabaseInfo().getStatus()); } if (true == false) { // Hibernate logger.info("Activate {}", databaseName); Map<String, String> params = new HashMap<String, String>(); params.put("database_id", databaseName); String url = client.getRequestURL("database.activate", params); String response = client.executeRequest(url); DatabaseInfoResponse apiResponse = (DatabaseInfoResponse) client.readResponse(response); logger.info("DB {} status: {}", apiResponse.getDatabaseInfo().getName(), apiResponse.getDatabaseInfo().getStatus()); } String dbUrl = "jdbc:mysql://" + databaseInfo.getMaster() + "/" + databaseInfo.getName(); logger.info("Connect to {} user={}", dbUrl, databaseInfo.getUsername()); Connection cnn = DriverManager.getConnection(dbUrl, databaseInfo.getUsername(), databaseInfo.getPassword()); cnn.setAutoCommit(false); cnn.close(); } catch (Exception e) { logger.warn("Exception for {}", databaseName, e); } } System.out.println("OWNERS"); for (String account : databasesByAccount.keySet()) { System.out.println(account + ": " + Joiner.on(", ").join(databasesByAccount.get(account))); } }
From source file:net.bobah.mail.Dupes.java
public static void main(String[] args) throws Exception { installDefaultUncaughtExceptionHandler(log); final CommandLineParser parser = new PosixParser(); final Options options = new Options() .addOption("j", "threads", true, "number of parallel threads to use for analyzing") .addOption("hash", true, "hash function to use, possible values: " + Arrays.toString(Hashes.values())) .addOption("dir", true, "add directory to search"); final CommandLine cmdline = parser.parse(options, args); final int threads = Integer.valueOf( cmdline.getOptionValue("threads", String.valueOf(Runtime.getRuntime().availableProcessors()))); final HashFunction hash = Hashes.valueOf(cmdline.getOptionValue("hash", "adler32")).hashfunc; final File[] dirs = Collections2 .transform(Arrays.asList(cmdline.getOptionValues("dir")), new Function<String, File>() { @Override/*from w w w. jav a 2s .c o m*/ public File apply(String from) { return new File(from); } }).toArray(new File[] {}); log.info("hash: {}, threads: {}, dirs: {} in total", hash, threads, dirs.length); try { new Dupes(threads, hash, dirs).run(); } finally { Utils.shutdownLogger(); } }
From source file:gt.org.ms.api.requesting.ValidationsHelper.java
public static <T> T findBestMatchItem(final String param, List<T> options) { List<MatchItem> weights = new ArrayList<MatchItem>( Collections2.transform(options, new Function<T, MatchItem>() { @Override//from w w w . j a va 2s . c o m public MatchItem apply(T f) { return new MatchItem( StringUtils.getLevenshteinDistance(param.toLowerCase(), f.toString().toLowerCase()), f); } })); Collections.sort(weights); //fot those objects without tostring implementation it will be wrong so better return null return (T) weights.get(0).value; }
From source file:com.parking.rest.dto.VehicleDto.java
public static Collection<VehicleDto> fromBeanCollection(Collection<Vehicle> vehicles) { return Collections2.transform(vehicles, new Function<Vehicle, VehicleDto>() { @Override//from w w w . j a va2 s. co m public VehicleDto apply(Vehicle vehicle) { return fromBean(vehicle); } }); }
From source file:ca.cutterslade.match.scheduler.Day.java
static ImmutableSet<Day> forNames(Set<String> days) { return ImmutableSet.copyOf(Collections2.transform(days, new Function<String, Day>() { @Override/*from ww w .ja v a 2s.c o m*/ public Day apply(String name) { return new Day(name); } })); }
From source file:org.mayocat.addons.store.dbi.AddonsHelper.java
public static <T extends Identifiable & HasAddons> List<T> withAddons(List<T> entities, AddonsDAO dao) { Collection<UUID> ids = Collections2.transform(entities, new Function<T, UUID>() { @Override//w w w .ja v a2 s .com public UUID apply(final T entity) { return entity.getId(); } }); if (ids.size() <= 0) { return entities; } List<AddonGroup> addons = dao.findAllAddonsForIds(new ArrayList(ids)); Map<UUID, List<AddonGroup>> addonsForEntity = Maps.newHashMap(); for (AddonGroup addon : addons) { if (!addonsForEntity.containsKey(addon.getEntityId())) { addonsForEntity.put(addon.getEntityId(), new ArrayList<AddonGroup>()); } addonsForEntity.get(addon.getEntityId()).add(addon); } for (T entity : entities) { if (addonsForEntity.containsKey(entity.getId())) { entity.setAddons(asMap(addonsForEntity.get(entity.getId()))); } } return entities; }
From source file:ca.cutterslade.match.scheduler.Gym.java
static ImmutableSet<Gym> forNames(Set<String> names) { return ImmutableSet.copyOf(Collections2.transform(names, new Function<String, Gym>() { @Override//from www . j av a2 s. c om public Gym apply(String name) { return new Gym(name); } })); }
From source file:org.apache.isis.core.commons.lang.Types.java
public static <T> Collection<T> filtered(final List<Object> candidates, final Class<T> type) { return Collections2.transform(Collections2.filter(candidates, Types.isOfType(type)), Types.castTo(type)); }
From source file:gov.bnl.channelfinder.ChannelUtil.java
/** * Return a list of tag names associated with this channel * //w w w . java 2 s . c o m * @param channel channel to be processed * @return Collection of names of tags */ public static Collection<String> getTagNames(XmlChannel channel) { return Collections2.transform(channel.getTags(), new Function<XmlTag, String>() { @Override public String apply(XmlTag tag) { return tag.getName(); } }); }