Example usage for org.apache.commons.io.output NullOutputStream nullOutputStream

Introduction

In this page you can find the example usage for org.apache.commons.io.output NullOutputStream nullOutputStream.

Prototype

public static OutputStream nullOutputStream() 

Source Link

Document

Returns a new OutputStream which discards all bytes.

Usage

From source file:org.lightjason.agentspeak.language.CCommon.java

/**
 * compression algorithm//from w ww.  jav  a  2 s.  c o m
 *
 * @param p_compression compression algorithm
 * @param p_input input string
 * @return number of compression bytes
 * @warning counting stream returns the correct number of bytes after flushing
 */
private static double compress(final ECompression p_compression, final String p_input) {
    final DataOutputStream l_counting = new DataOutputStream(new NullOutputStream());

    try (final InputStream l_input = new ByteArrayInputStream(p_input.getBytes(StandardCharsets.UTF_8));
            final OutputStream l_compress = p_compression.get(l_counting)) {
        IOUtils.copy(l_input, l_compress);
    } catch (final IOException l_exception) {
        return 0;
    }

    return l_counting.size();
}

---

From source file:org.lockss.exporter.kbart.TestKbartExporter.java

/**
 * This does not actually make any assertions, but involves the KbartDummyExporter,
 * which tests the records it receives./*from w w w  .j  a v  a2 s .  c om*/
 */
public final void testExport() {
    // Test basic export
    this.kb = new KbartDummyExporter(titles, KbartExporter.OutputFormat.HTML, this);
    this.omitEmptyFields = false;
    this.showHealthRatings = false;
    this.filter = KbartExportFilter.identityFilter(titles);
    kb.setFilter(filter);
    kb.setCompress(false);
    kb.export(new NullOutputStream());
    assertEquals("Number of titles does not match export count.", titles.size(), kb.exportCount);

    // Test predefined custom export
    this.kb = new KbartDummyExporter(titles, KbartExporter.OutputFormat.HTML, this);
    this.omitEmptyFields = false;
    this.showHealthRatings = false;
    this.filter = new KbartExportFilter(titles, KbartExportFilter.PredefinedColumnOrdering.ISSN_ONLY,
            omitEmptyFields, omitHeader, excludeNoIdTitles);
    kb.setFilter(filter);
    kb.export(new NullOutputStream());
    assertEquals("Number of titles does not match export count.", titles.size(), kb.exportCount);

    // Test custom export
    List<Field> ordering = new ArrayList<Field>() {
        {
            add(EMPTY_FIELD);
            add(Field.FIRST_AUTHOR);
            add(Field.ONLINE_IDENTIFIER);
            add(Field.TITLE_ID);
        }
    };
    this.kb = new KbartDummyExporter(titles, KbartExporter.OutputFormat.HTML, this);
    this.omitEmptyFields = true;
    this.showHealthRatings = false;
    this.filter = new KbartExportFilter(titles, KbartExportFilter.CustomColumnOrdering.create(ordering),
            omitEmptyFields, omitHeader, excludeNoIdTitles);
    kb.setFilter(filter);
    kb.export(new NullOutputStream());
    assertEquals("Number of titles does not match export count.", titles.size(), kb.exportCount);
}

---

From source file:org.lockss.util.TestStreamUtil.java

public void testCopyInputStreamPokeWatchdog() throws IOException {
    TimeBase.setSimulated(1000);//w w w.  j a  v a  2  s  .  c  o m
    final MyLockssWatchdog wdog = new MyLockssWatchdog(100);
    SimpleBinarySemaphore wait = new SimpleBinarySemaphore();
    SimpleBinarySemaphore poke = new SimpleBinarySemaphore();
    int size = 50 * StreamUtil.COPY_WDOG_CHECK_EVERY_BYTES;
    // make an InputStream that waits every time it has supplied twice the
    // byte interval at which StreamUtil.copy() checks to see if it's time
    // to poke the watchdog
    final InputStream is = new SemwaitInputStream(new ZeroInputStream(size),
            StreamUtil.COPY_WDOG_CHECK_EVERY_BYTES * 2, wait, poke);
    final OutputStream os = new NullOutputStream();
    Thread th = new Thread() {
        public void run() {
            try {
                StreamUtil.copy(is, os, wdog);
            } catch (IOException e) {
                throw new RuntimeException("", e);
            }
        }
    };
    th.start();
    assertTrue(wait.take(TIMEOUT_SHOULDNT));
    assertEquals(0, wdog.times.size());
    TimeBase.step(1000);
    poke.give();
    assertTrue(wait.take(TIMEOUT_SHOULDNT));
    assertEquals(1, wdog.times.size());
    TimeBase.step(1000);
    poke.give();
    assertTrue(wait.take(TIMEOUT_SHOULDNT));
    poke.give();
    assertTrue(wait.take(TIMEOUT_SHOULDNT));
    assertEquals(2, wdog.times.size());
    is.close();
    os.close();
}

---

From source file:org.lockss.util.TestStreamUtil.java

public void testCopyExceptionWrapping() throws IOException {
    InputStream is;/*from w  w  w. j  a  va 2s  .  c  om*/
    OutputStream os;

    is = new ThrowingInputStream(new StringInputStream("test string"), e1, null);
    os = new NullOutputStream();
    try {
        StreamUtil.copy(is, os, -1, null, false);
        fail("StreamUtil.copy(ThrowingInputStream) didn't throw on read");
    } catch (StreamUtil.InputException e) {
        fail("StreamUtil.copy(ThrowingInputStream) shouldn't have wrapped exception");
    } catch (IOException e) {
        assertSame(e1, e);
    }
    is = new ThrowingInputStream(new StringInputStream("test string"), e1, null);
    try {
        StreamUtil.copy(is, os, -1, null, true);
        fail("StreamUtil.copy(ThrowingInputStream) didn't throw on read");
    } catch (StreamUtil.InputException e) {
        assertSame(e1, e.getCause());
    }
    is = new StringInputStream("test string");
    os = new ThrowingOutputStream(new NullOutputStream(), e2, null);
    try {
        StreamUtil.copy(is, os, -1, null, false);
        fail("StreamUtil.copy(ThrowingOutputStream) didn't throw on write");
    } catch (StreamUtil.OutputException e) {
        fail("StreamUtil.copy(ThrowingOutputStream) shouldn't have wrapped exception");
    } catch (IOException e) {
        assertSame(e2, e);
    }
    is = new StringInputStream("test string");
    os = new ThrowingOutputStream(new NullOutputStream(), e2, null);
    try {
        StreamUtil.copy(is, os, -1, null, true);
        fail("StreamUtil.copy(ThrowingOutputStream) didn't throw on write");
    } catch (StreamUtil.OutputException e) {
        assertSame(e2, e.getCause());
    }
}

---

From source file:org.mediawiki.importer.UTF8BoundsTest.java

private boolean runImportThingy(String sample) throws IOException {
    OutputStream output = new NullOutputStream();
    InputStream input = new ByteArrayInputStream(sample.getBytes(StandardCharsets.UTF_8));
    DumpWriter sink = new XmlDumpWriter0_10(output);
    XmlDumpReader source = new XmlDumpReader(input, sink);

    source.readDump();//w w w. j  a  v  a2  s  .c o m

    return true; // did not throw
}

---

From source file:org.moe.gradle.tasks.Launchers.java

public static void addTasks(@NotNull MoePlugin plugin) {
    Require.nonNull(plugin);//w  w  w .ja v a 2  s.c  om

    final Project project = plugin.getProject();
    final TaskContainer tasks = project.getTasks();

    // Collect devices
    final List<String> devices = new ArrayList<>();
    if (project.hasProperty(MOE_LAUNCHER_DEVICE_UDID_PROPERTY)) {
        Arrays.stream(((String) project.property(MOE_LAUNCHER_DEVICE_UDID_PROPERTY)).split(Pattern.quote(",")))
                .map(String::trim).forEach(devices::add);
    }

    // Collect simulators
    final List<String> simulators = new ArrayList<>();
    if (project.hasProperty(MOE_LAUNCHER_SIMULATOR_UDID_PROPERTY)) {
        Arrays.stream(
                ((String) project.property(MOE_LAUNCHER_SIMULATOR_UDID_PROPERTY)).split(Pattern.quote(",")))
                .map(String::trim).forEach(simulators::add);
    }

    // If there were no devices & simulators specified, add null to devices to indicate first available device
    if (devices.size() == 0 && simulators.size() == 0) {
        devices.add(null);
    }

    // Options
    final Options options = new Options();
    options.read(project);

    { // List connected devices
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        tasks.create("moeListDevices", JavaExec.class, exec -> {
            exec.setGroup(AbstractMoePlugin.MOE);
            exec.setDescription("Lists all connected devices.");
            new DeviceLauncherBuilder().setList(true).build(plugin, exec);

            exec.setIgnoreExitValue(true);
            exec.setStandardOutput(baos);
            exec.setErrorOutput(new NullOutputStream());

        }).getActions().add(task -> LOG.quiet("\n" + baos.toString().trim() + "\n"));
    }

    { // List available simulators
        tasks.create("moeListSimulators", DefaultTask.class, exec -> {
            exec.setGroup(AbstractMoePlugin.MOE);
            exec.setDescription("Lists all simulators.");
        }).getActions().add(task -> {

            final String list;
            if (Os.isFamily(Os.FAMILY_MAC) && TaskUtils.checkExec(project, "which", "xcrun")) {
                LOG.info("Initializing");
                try {
                    list = SimCtl.getDevices().stream().map(d -> "- " + d).collect(Collectors.joining("\n"));
                } catch (Throwable t) {
                    throw new GradleException("Failed to get list of simulators", t);
                }
            } else {
                list = "";
            }

            LOG.quiet("\nAvailable Simulators:\n" + list.trim() + "\n");
        });
    }

    final SourceSetContainer sourceSets = plugin.getJavaConvention().getSourceSets();

    { // Launch an application on a device or simulator
        final SourceSet sourceSet = sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME);

        // Get XcodeBuild task for device
        final XcodeBuild xcodeBuildDev;
        if (devices.size() > 0) {
            xcodeBuildDev = plugin.getTaskBy(XcodeBuild.class, sourceSet, options.mode,
                    plugin.getExtension().getPlatformType());
        } else {
            xcodeBuildDev = null;
        }

        // Get XcodeBuild task for simulator
        final XcodeBuild xcodeBuildSim;
        if (simulators.size() > 0) {
            xcodeBuildSim = plugin.getTaskBy(XcodeBuild.class, sourceSet, options.mode,
                    plugin.getExtension().getPlatformType().simulatorPlatform);
        } else {
            xcodeBuildSim = null;
        }

        // Create task
        final Task launch = tasks.create("moeLaunch", task -> {
            task.setGroup(AbstractMoePlugin.MOE);
            task.setDescription("Build and run the MOE application on a device or simulator.");
            setupDevicesAndSimulators(plugin, project, devices, simulators, options, xcodeBuildDev,
                    xcodeBuildSim, task, false);
        });
        if (options.build && xcodeBuildDev != null) {
            launch.dependsOn(xcodeBuildDev);
        }
        if (xcodeBuildDev != null) {
            launch.mustRunAfter(xcodeBuildDev);
        }
        if (options.build && xcodeBuildSim != null) {
            launch.dependsOn(xcodeBuildSim);
        }
        if (xcodeBuildSim != null) {
            launch.mustRunAfter(xcodeBuildSim);
        }
    }

    { // Launch tests on a device or simulator
        final SourceSet sourceSet = sourceSets.getByName(SourceSet.TEST_SOURCE_SET_NAME);

        // Get XcodeBuild task for device
        final XcodeBuild xcodeBuildDev;
        if (devices.size() > 0) {
            xcodeBuildDev = plugin.getTaskBy(XcodeBuild.class, sourceSet, options.mode,
                    plugin.getExtension().getPlatformType());
        } else {
            xcodeBuildDev = null;
        }

        // Get XcodeBuild task for simulator
        final XcodeBuild xcodeBuildSim;
        if (simulators.size() > 0) {
            xcodeBuildSim = plugin.getTaskBy(XcodeBuild.class, sourceSet, options.mode,
                    plugin.getExtension().getPlatformType().simulatorPlatform);
        } else {
            xcodeBuildSim = null;
        }

        // Create task
        final Task launch = tasks.create("moeTest", task -> {
            task.setGroup(AbstractMoePlugin.MOE);
            task.setDescription("Build and run tests on a device or simulator.");
            setupDevicesAndSimulators(plugin, project, devices, simulators, options, xcodeBuildDev,
                    xcodeBuildSim, task, true);
        });
        if (options.build && xcodeBuildDev != null) {
            launch.dependsOn(xcodeBuildDev);
        }
        if (xcodeBuildDev != null) {
            launch.mustRunAfter(xcodeBuildDev);
        }
        if (options.build && xcodeBuildSim != null) {
            launch.dependsOn(xcodeBuildSim);
        }
        if (xcodeBuildSim != null) {
            launch.mustRunAfter(xcodeBuildSim);
        }
    }
}

---

From source file:org.moe.gradle.utils.TaskUtils.java

public static boolean checkExec(@NotNull Project project, @NotNull String... commands) {
    Require.nonNull(project);/* w  w w.  j  a v a  2s  .  c o m*/
    final List<String> cmds = new ArrayList<>(Arrays.asList(Require.nonNull(commands)));
    Require.sizeGT(cmds, 0);

    final ExecResult result = project.exec(spec -> {
        spec.setIgnoreExitValue(true);
        spec.setExecutable(cmds.remove(0));
        spec.args(cmds);
        spec.setErrorOutput(new NullOutputStream());
        spec.setStandardOutput(new NullOutputStream());
    });
    return result.getExitValue() == 0;
}

---

From source file:org.nuxeo.ecm.core.storage.binary.DefaultBinaryManager.java

protected String storeAndDigest(FileSource source) throws IOException {
    File sourceFile = source.getFile();
    InputStream in = source.getStream();
    OutputStream out = new NullOutputStream();
    String digest;// w  w  w  .  j a  v  a 2  s.  c om
    try {
        digest = storeAndDigest(in, out);
    } finally {
        in.close();
        out.close();
    }
    File digestFile = getFileForDigest(digest, true);
    atomicMove(sourceFile, digestFile);
    source.setFile(digestFile);
    return digest;
}

---

From source file:org.nuxeo.ecm.core.storage.sql.DefaultBinaryManager.java

protected String storeAndDigest(FileSource source) throws IOException {
    File sourceFile = source.getFile();
    InputStream in = source.getStream();
    OutputStream out = new NullOutputStream();
    String digest;//from   w  w w .  ja  v  a 2 s.  c o m
    try {
        digest = storeAndDigest(in, out);
    } finally {
        in.close();
        out.close();
    }
    File digestFile = getFileForDigest(digest, true);
    if (!sourceFile.renameTo(digestFile)) {
        FileUtils.copy(sourceFile, digestFile);
        sourceFile.delete();
    }
    source.setFile(digestFile);
    return digest;
}

---

From source file:org.nuxeo.ftest.cap.ITErrorTest.java

/** Fully reads the stream of a page. */
protected void getAllPage(WebClient client, WebRequest request) throws IOException {
    HtmlPage page = client.getPage(request);
    try (InputStream in = page.getWebResponse().getContentAsStream(); //
            OutputStream out = new NullOutputStream()) {
        IOUtils.copy(in, out);//from   w  w  w . ja v  a 2  s. co m
    }
}

---

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