Example usage for java.util.stream Stream forEach

Introduction

In this page you can find the example usage for java.util.stream Stream forEach.

Prototype

void forEach(Consumer<? super T> action);

Source Link

Document

Performs an action for each element of this stream.

Usage

From source file:nl.mpi.oai.harvester.control.FileSynchronization.java

/**
 *   Move file  of temporary directory/*from w w w .  ja  va 2  s  .c o  m*/
 */
private static void move(final File file, final String dir) {
    Stream<String> fileStream = getAsStream(file);

    if (fileStream != null) {
        fileStream.forEach(l -> {
            try {
                FileUtils.moveFileToDirectory(FileUtils.getFile(dir + "/" + l),
                        FileUtils.getFile(dir + "_new/"), true);
            } catch (IOException e) {
                logger.error("Error while moving " + l + " file: ", e);
            }
        });
    }
}

From source file:nl.mpi.oai.harvester.control.FileSynchronization.java

/**
 *
 *   Removes files based on list provided in file
 *//*w ww .  j a v a  2  s.  c  o m*/
private static void delete(final Provider provider, final File file, final String dir) {
    Stream<String> fileStream = getAsStream(file);

    if (fileStream != null) {
        fileStream.forEach(l -> {
            Path path = Paths.get(dir + l);
            if (Files.exists(path)) {
                try {
                    Files.delete(path);
                    saveToHistoryFile(provider, path, Operation.DELETE);
                } catch (IOException e) {
                    logger.error("Error while deleting " + path + " file: ", e);
                }
            }
        });
    }
}

From source file:objective.taskboard.utils.ZipUtils.java

public static void unzip(Stream<ZipStreamEntry> stream, Path output) {
    if (output.toFile().isFile())
        throw new RuntimeException("Output must be a directory");

    try {//ww w .  j a  v a 2s .  co m
        stream.forEach(ze -> {
            Path entryPath = output.resolve(ze.getName());
            try {
                if (ze.isDirectory()) {
                    createDirectories(entryPath);
                } else {
                    createDirectories(entryPath.getParent());
                    copy(ze.getInputStream(), entryPath);
                }
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        });
    } finally {
        stream.close();
    }
}

From source file:objective.taskboard.utils.ZipUtils.java

public static void zip(Stream<ZipStreamEntry> stream, OutputStream outputStream) {
    try (ZipOutputStream zipOutputStream = new ZipOutputStream(outputStream)) {
        stream.forEach(ze -> {
            ZipEntry newEntry = new ZipEntry(ze.getName());
            try {
                zipOutputStream.putNextEntry(newEntry);
                IOUtils.copy(ze.getInputStream(), zipOutputStream);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }/*from   www  .  j  ava2s .co m*/
        });
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } finally {
        stream.close();
    }
}

From source file:org.apache.cassandra.index.SecondaryIndexManager.java

private static void executeAllBlocking(Stream<Index> indexers, Function<Index, Callable<?>> function) {
    if (function == null) {
        logger.error("failed to flush indexes: {} because flush task is missing.", indexers);
        return;//from  www. j av a  2s .  co  m
    }

    List<Future<?>> waitFor = new ArrayList<>();
    indexers.forEach(indexer -> {
        Callable<?> task = function.apply(indexer);
        if (null != task)
            waitFor.add(blockingExecutor.submit(task));
    });
    FBUtilities.waitOnFutures(waitFor);
}

From source file:org.apache.geode.internal.DeployedJar.java

/**
 * Unregisters all functions from this jar if it was undeployed (i.e. newVersion == null), or all
 * functions not present in the new version if it was redeployed.
 *
 * @param newVersion The new version of this jar that was deployed, or null if this jar was
 *        undeployed.// w  w  w.j  a  v  a2s.  c o  m
 */
protected synchronized void cleanUp(DeployedJar newVersion) {
    Stream<String> oldFunctions = this.registeredFunctions.stream().map(Function::getId);

    Stream<String> removedFunctions;
    if (newVersion == null) {
        removedFunctions = oldFunctions;
    } else {
        Predicate<String> isRemoved = (String oldFunctionId) -> !newVersion.hasFunctionWithId(oldFunctionId);

        removedFunctions = oldFunctions.filter(isRemoved);
    }

    removedFunctions.forEach(FunctionService::unregisterFunction);
    this.registeredFunctions.clear();
    try {
        TypeRegistry typeRegistry = ((InternalCache) CacheFactory.getAnyInstance()).getPdxRegistry();
        if (typeRegistry != null) {
            typeRegistry.flushCache();
        }
    } catch (CacheClosedException ignored) {
        // That's okay, it just means there was nothing to flush to begin with
    }
}

From source file:org.apache.hadoop.hbase.client.AsyncBatchRpcRetryingCaller.java

private void failAll(Stream<Action> actions, int tries, Throwable error, ServerName serverName) {
    long currentTime = EnvironmentEdgeManager.currentTime();
    String extras = getExtraContextForError(serverName);
    actions.forEach(action -> failOne(action, tries, error, currentTime, extras));
}

From source file:org.apache.hadoop.hbase.client.AsyncBatchRpcRetryingCaller.java

private void failAll(Stream<Action> actions, int tries) {
    actions.forEach(action -> {
        CompletableFuture<T> future = action2Future.get(action);
        if (future.isDone()) {
            return;
        }//from w  ww.j av  a  2 s. c o m
        future.completeExceptionally(new RetriesExhaustedException(tries,
                Optional.ofNullable(removeErrors(action)).orElse(Collections.emptyList())));
    });
}

From source file:org.apache.james.mailbox.backup.Zipper.java

private void storeMessages(Stream<MailboxMessage> messages, ZipArchiveOutputStream archiveOutputStream) {
    messages.forEach(Throwing.<MailboxMessage>consumer(message -> {
        storeInArchive(message, archiveOutputStream);
    }).sneakyThrow());// www .  ja va  2  s .  c  om
}

From source file:org.beryx.viewreka.fxapp.ProjectLibs.java

public void addUncatalogedLibs() {
    FileChooser libChooser = new FileChooser();
    libChooser.setTitle("Select libraries");
    libChooser.getExtensionFilters().addAll(
            new FileChooser.ExtensionFilter("jar and vbundle files", "*.jar", "*.vbundle"),
            new FileChooser.ExtensionFilter("All files", "*.*"));

    GuiSettings guiSettings = guiSettingsManager.getSettings();
    File initialDir = guiSettings.getMostRecentProjectDir();
    String lastLibDirPath = guiSettings.getProperty(PROP_LAST_LIBRARY_DIR, null, true);
    if (lastLibDirPath != null) {
        try {/*w  w w  .jav a 2s  . com*/
            File dir = new File(lastLibDirPath);
            if (dir.isDirectory()) {
                initialDir = dir;
            }
        } catch (Exception e) {
            log.warn("Cannot retrieve last library path", e);
        }
    }
    libChooser.setInitialDirectory(initialDir);
    List<File> libFiles = libChooser.showOpenMultipleDialog(getScene().getWindow());
    if (libFiles != null && !libFiles.isEmpty()) {
        guiSettings.setProperty(PROP_LAST_LIBRARY_DIR, libFiles.get(0).getParent());

        Stream<String> libStream = libFiles.stream().map(f -> f.getAbsolutePath())
                .filter(s -> (s != null && !s.isEmpty())).filter(s -> lstLib.getItems().stream()
                        .map(entry -> entry.getCellText()).noneMatch(txt -> txt.equals(s)));
        libStream.forEach(s -> lstLib.getItems().add(LibListEntry.forFilePath(s)));
    }
}