Example usage for com.google.common.io InputSupplier InputSupplier

Introduction

In this page you can find the example usage for com.google.common.io InputSupplier InputSupplier.

Prototype

InputSupplier

Source Link

Usage

From source file:com.metamx.druid.guava.GuavaUtils.java

public static InputSupplier<BufferedReader> joinFiles(final List<File> files) {

    return new InputSupplier<BufferedReader>() {
        @Override//from   w  ww.  jav a 2  s.  c o  m
        public BufferedReader getInput() throws IOException {
            return new BufferedReader(CharStreams
                    .join(Iterables.transform(files, new Function<File, InputSupplier<InputStreamReader>>() {
                        @Override
                        public InputSupplier<InputStreamReader> apply(final File input) {
                            return new InputSupplier<InputStreamReader>() {
                                @Override
                                public InputStreamReader getInput() throws IOException {
                                    InputStream baseStream = new FileInputStream(input);
                                    if (input.getName().endsWith(".gz")) {
                                        baseStream = new GZIPInputStream(baseStream);
                                    }

                                    return new InputStreamReader(baseStream, Charsets.UTF_8);
                                }
                            };
                        }
                    })).getInput());
        }
    };
}

From source file:com.complexible.common.io.IOSuppliers.java

/**
 * Return an {@link InputSupplier} which is an adapter to the provided {@link Supplier} which provides the actual input
 *
 * @param theObj    the supplier to provide the input
 * @param <T>       the input type
 * @return          a new InputSupplier/* w ww .  ja va  2s. c o m*/
 */
public static <T> InputSupplier<T> inputOf(final Supplier<T> theObj) {
    return new InputSupplier<T>() {
        @Override
        public T getInput() throws IOException {
            return theObj.get();
        }
    };
}

From source file:de.dennishoersch.web.css.CmdLineUtil.java

private static InputSupplier<InputStream> newInputStreamSupplier(final InputStream inputStream) {
    return new InputSupplier<InputStream>() {
        @Override// w w  w .  j  a  v a2s  .  c  om
        public InputStream getInput() throws IOException {
            return inputStream;
        }
    };
}

From source file:co.cask.cdap.internal.app.runtime.webapp.JarExploder.java

public static int explode(File jarFile, File destDir, Predicate<JarEntry> filter) throws IOException {
    int count = 0;

    try (JarFile jar = new JarFile(jarFile)) {
        if (!DirUtils.mkdirs(destDir)) {
            throw new IOException(String.format("Cannot create destination dir %s", destDir.getAbsolutePath()));
        }/*from   w ww  .jav  a  2s .co  m*/

        Enumeration<JarEntry> entries = jar.entries();

        while (entries.hasMoreElements()) {
            final JarEntry entry = entries.nextElement();
            if (!filter.apply(entry)) {
                continue;
            }

            File file = new File(destDir, entry.getName());
            if (entry.isDirectory()) {
                // Create dir
                if (!DirUtils.mkdirs(file)) {
                    throw new IOException(String.format("Cannot create dir %s", file.getAbsolutePath()));
                }
                continue;
            }
            File parentFile = file.getParentFile();
            if (!DirUtils.mkdirs(parentFile)) {
                throw new IOException(String.format("Cannot create dir %s", parentFile));
            }

            // Write file
            Files.copy(new InputSupplier<InputStream>() {
                @Override
                public InputStream getInput() throws IOException {
                    return jar.getInputStream(entry);
                }
            }, file);

            ++count;
        }

        return count;
    }
}

From source file:edu.cmu.cs.lti.ark.util.SerializedObjects.java

public static <T> T readObject(final String inputFile) throws IOException, ClassNotFoundException {
    return SerializedObjects.<T>readObject(new InputSupplier<ObjectInputStream>() {
        @Override/*from  www  .j a va2  s .co m*/
        public ObjectInputStream getInput() throws IOException {
            return getObjectInputStream(inputFile);
        }
    });
}

From source file:uk.ac.cam.arb33.lectureserver.HtmlRenderer.java

HtmlRenderer(final InputStream templateStream) {

    SoyFileSet sfs = new SoyFileSet.Builder().add(new InputSupplier<InputStreamReader>() {
        public InputStreamReader getInput() throws IOException {
            return new InputStreamReader(templateStream);
        }/* w w w . j a va 2s  . co  m*/
    }, "Interal war resource: " + templateStream).build();
    tofu = sfs.compileToTofu().forNamespace("uk.ac.cam.arb33.lectureserver.soy");
}

From source file:org.jclouds.io.CopyInputStreamIntoSupplier.java

@SuppressWarnings("unchecked")
@Override//ww  w  .j  av  a 2s .  co  m
public InputSupplier<InputStream> apply(InputStream from) {
    if (from == null)
        return new InputSupplier<InputStream>() {

            @Override
            public InputStream getInput() throws IOException {
                return null;
            }

        };
    try {
        return InputSupplier.class.cast(ByteStreams.newInputStreamSupplier(ByteStreams.toByteArray(from)));
    } catch (Exception e) {
        logger.warn(e, "ignoring problem retrieving credentials");
        return null;
    } finally {
        Closeables.closeQuietly(from);
    }
}

From source file:co.cask.tigon.io.Locations.java

/**
 * Creates a new {@link com.google.common.io.InputSupplier} that can provides {@link SeekableInputStream} from
 * the given location.//from w w  w.j  a  v  a2s.  com
 *
 * @param location Location for the input stream.
 * @return A {@link com.google.common.io.InputSupplier}.
 */
public static InputSupplier<? extends SeekableInputStream> newInputSupplier(final Location location) {
    return new InputSupplier<SeekableInputStream>() {
        @Override
        public SeekableInputStream getInput() throws IOException {
            return SeekableInputStream.create(location.getInputStream());
        }
    };
}

From source file:com.xebialabs.overthere.util.OverthereUtils.java

/**
 * Reads the contents of an {@link OverthereFile} into a string.
 *
 * @param from        the file to read from.
 * @param charsetName the {@link java.nio.charset.Charset charset} to use.
 * @returns the string./*from  w  w  w .j  a  v a 2  s .c  o m*/
 */
public static String read(final OverthereFile from, final String charsetName) {
    try {
        return CharStreams.toString(new InputSupplier<Reader>() {
            @Override
            public Reader getInput() throws IOException {
                return new InputStreamReader(from.getInputStream(), charsetName);
            }
        });
    } catch (IOException exc) {
        throw new RuntimeException(exc);
    }
}

From source file:net.seedboxer.core.util.FileUtils.java

public static File copyFile(final InputStream in, String finalPath, boolean readPermissions,
        boolean writePermissions) throws IOException {

    File copyFile = new File(finalPath);
    Files.copy(new InputSupplier<InputStream>() {
        @Override/*w w w  .j a  va 2s . c o  m*/
        public InputStream getInput() throws IOException {
            return in;
        }
    }, copyFile);

    if (readPermissions) {
        copyFile.setReadable(true, false);
    }
    if (writePermissions) {
        copyFile.setWritable(true, false);
    }

    return copyFile;
}