Example usage for java.net URL openStream

List of usage examples for java.net URL openStream

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. URL
  6. openStream

Introduction

In this page you can find the example usage for java.net URL openStream.

Prototype

public final InputStream openStream() throws java.io.IOException

Source Link

Document

Opens a connection to this URL and returns an InputStream for reading from that connection.

Usage

From source file:com.gs.obevo.util.IOUtilsDA.java

public static String toString(URL url) {
    // This method overload was added after 2.0. We have this here for backwards-compatibility with 2.0 for some
    // clients/* www .j  a va  2s . c  om*/
    // return IOUtils.toString(url);

    try {
        InputStream inputStream = url.openStream();
        try {
            return toString(inputStream);
        } finally {
            inputStream.close();
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:com.wareninja.opensource.gravatar4android.common.Utils.java

public static byte[] downloadImage_alternative1(String imageUrl) throws GenericException {
    InputStream stream = null;//from   w  w  w . j  ava2s  .c om
    try {
        URL url = new URL(imageUrl);
        stream = url.openStream();
        return IOUtils.toByteArray(stream);
    } catch (FileNotFoundException e) {
        return null;
    } catch (Exception e) {
        throw new GenericException(e);
    } finally {
        IOUtils.closeQuietly(stream);
    }
}

From source file:lyonlancer5.karasu.util.ModFileUtils.java

static void download(String url, File output) throws IOException {
    URL url1 = new URL(url);
    ReadableByteChannel rbc = Channels.newChannel(url1.openStream());
    FileOutputStream fos = new FileOutputStream(output);

    if (!output.exists()) {
        output.getParentFile().mkdirs();
        output.createNewFile();//from   w ww .  ja  v a 2  s.  c  o  m
    }

    fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
    fos.close();
}

From source file:Main.java

public static void insertUrl(Context context, Uri contentUri, URL sourceUrl) {
    if (DEBUG) {/*from   www  .j  a va 2 s .  c  om*/
        Log.d(TAG, "Inserting " + sourceUrl + " to " + contentUri);
    }
    InputStream is = null;
    OutputStream os = null;
    try {
        is = sourceUrl.openStream();
        os = context.getContentResolver().openOutputStream(contentUri);
        copy(is, os);
    } catch (IOException ioe) {
        Log.e(TAG, "Failed to write " + sourceUrl + "  to " + contentUri, ioe);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                // Ignore exception.
            }
        }
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
                // Ignore exception.
            }
        }
    }
}

From source file:com.tesora.dve.common.PELogUtils.java

private static Attributes readManifestFile() throws PEException {
    try {// ww w . ja va2  s  .co m
        Enumeration<URL> resources = PELogUtils.class.getClassLoader().getResources(MANIFEST_FILE_NAME);

        Attributes attrs = new Attributes();
        while (resources.hasMoreElements()) {
            URL url = resources.nextElement();
            if (url.toString().contains(CORE_PROJECT_NAME)) {
                Manifest manifest = new Manifest(url.openStream());
                attrs = manifest.getMainAttributes();
                break;
            }
        }
        return attrs;
    } catch (Exception e) {
        throw new PEException("Error retrieving build manifest", e);
    }
}

From source file:flink.iso8583.parse.ConfigParser.java

/** Creates a message factory from the file located at the specified URL. */
public static MessageFactory createFromUrl(URL url) throws IOException {
    MessageFactory mfact = new MessageFactory();
    InputStream stream = url.openStream();
    try {/*w w  w  .  j a  va 2  s  .  co  m*/
        parse(mfact, stream);
    } finally {
        stream.close();
    }
    return mfact;
}

From source file:com.millcreeksoftware.amliclookup.fcclookup.FccLookupHandler.java

/**
 * Gets the FCC data for the provided call sign.
 * /*from w ww  .j  a  va  2 s  . co m*/
 * @param callSign The call sign to lookup.
 * 
 * @return A populated <code>FccLookupData</code>.
 */
public static FccLookupData getFccData(String callSign) {
    FccLookupData fccLookupData = new FccLookupData();

    URL url;
    try {
        url = new URL(FCC_LOOKUP_BASE_URL + callSign);
        ObjectMapper m = new ObjectMapper();
        JsonNode rootNode = m.readValue(url.openStream(), JsonNode.class);

        String status = rootNode.path("status").textValue();
        if (!"OK".equalsIgnoreCase(status)) {
            return fccLookupData;
        }

        fccLookupData.setStatusOK(true);

        JsonNode licensesNode = rootNode.path("Licenses");
        String lastUpdate = licensesNode.path("lastUpdate").asText();
        fccLookupData.setLastUpdate(lastUpdate);

        JsonNode licenseNode = licensesNode.path("License");
        JsonNode arrayNode = licenseNode.path(0);
        String frn = arrayNode.path("frn").asText();
        fccLookupData.setFrn(frn);

        String statusDesc = arrayNode.path("statusDesc").asText();
        fccLookupData.setStatusDesc(statusDesc);

        String expiredDate = arrayNode.path("expiredDate").asText();
        fccLookupData.setExpireDate(expiredDate);

        String licenseId = arrayNode.path("licenseID").asText();
        fccLookupData.setLicenseId(licenseId);

        fccLookupData.setFccUrl(FFC_MORE_INFO_BASE_URL + licenseId);
    } catch (MalformedURLException e) {
        fccLookupData.setStatusOK(false);
        logger.warn("Error looking up call '" + callSign + "'.", e);
    } catch (JsonParseException e) {
        fccLookupData.setStatusOK(false);
        logger.warn("Error looking up call '" + callSign + "'.", e);
    } catch (JsonMappingException e) {
        fccLookupData.setStatusOK(false);
        logger.warn("Error looking up call '" + callSign + "'.", e);
    } catch (IOException e) {
        fccLookupData.setStatusOK(false);
        logger.warn("Error looking up call '" + callSign + "'.", e);
    }

    return fccLookupData;
}

From source file:net.minecrell.serverlistplus.canary.SnakeYAML.java

@SneakyThrows
public static void load(Plugin plugin) {
    try { // Check if it is already loaded
        Class.forName("org.yaml.snakeyaml.Yaml");
        return;//w  w  w.  j a  v  a  2s  . c om
    } catch (ClassNotFoundException ignored) {
    }

    Path path = Paths.get("lib", SNAKE_YAML_JAR);

    if (Files.notExists(path)) {
        Files.createDirectories(path.getParent());

        plugin.getLogman().info("Downloading SnakeYAML...");

        URL url = new URL(SNAKE_YAML);
        MessageDigest sha1 = MessageDigest.getInstance("SHA-1");

        try (ReadableByteChannel source = Channels.newChannel(new DigestInputStream(url.openStream(), sha1));
                FileChannel out = FileChannel.open(path, StandardOpenOption.CREATE_NEW,
                        StandardOpenOption.WRITE)) {
            out.transferFrom(source, 0, Long.MAX_VALUE);
        }

        if (!new String(Hex.encodeHex(sha1.digest())).equals(EXPECTED_HASH)) {
            Files.delete(path);
            throw new IllegalStateException(
                    "Downloaded SnakeYAML, but checksum check failed. Please try again later.");
        }

        plugin.getLogman().info("Successfully downloaded!");
    }

    loadJAR(path);
}

From source file:org.jberet.support.io.MongoItemReaderTest.java

static void addTestData(final String dataResource, final String mongoCollection, final int minSizeIfExists)
        throws Exception {
    final DBCollection collection = db.getCollection(mongoCollection);
    if (collection.find().count() >= minSizeIfExists) {
        System.out.printf("The readCollection %s already contains 100 items, skip adding test data.%n",
                mongoCollection);/* w w w . j a v  a  2 s .c  om*/
        return;
    }

    InputStream inputStream = MongoItemReaderTest.class.getClassLoader().getResourceAsStream(dataResource);
    if (inputStream == null) {
        try {
            final URL url = new URI(dataResource).toURL();
            inputStream = url.openStream();
        } catch (final Exception e) {
            System.out.printf("Failed to convert dataResource %s to URL: %s%n", dataResource, e);
        }
    }
    if (inputStream == null) {
        throw new IllegalStateException("The inputStream for the test data is null");
    }

    final JsonFactory jsonFactory = new MappingJsonFactory();
    final JsonParser parser = jsonFactory.createParser(inputStream);
    final JsonNode arrayNode = parser.readValueAs(ArrayNode.class);

    final Iterator<JsonNode> elements = arrayNode.elements();
    final List<DBObject> dbObjects = new ArrayList<DBObject>();
    while (elements.hasNext()) {
        final DBObject dbObject = (DBObject) JSON.parse(elements.next().toString());
        dbObjects.add(dbObject);
    }
    collection.insert(dbObjects);
}

From source file:de.dakror.scpuller.SCPuller.java

public static String getFileContents(URL u) throws IOException {
    String res = "", line = "";
    BufferedReader br = new BufferedReader(new InputStreamReader(u.openStream()));
    while ((line = br.readLine()) != null) {
        res += line;//from ww w  . j  a v  a2  s  . c o m
    }
    br.close();
    return res;
}