Example usage for java.net URL openStream

List of usage examples for java.net URL openStream

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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.stacksync.desktop.util.FileUtil.java

public static String getPropertyFromManifest(String manifestPath, String property) {
    try {/*from  w w  w. j av a 2  s  . co m*/
        URLClassLoader cl = (URLClassLoader) FileUtil.class.getClassLoader();

        URL url = cl.findResource(manifestPath);
        Manifest manifest = new Manifest(url.openStream());
        Attributes attr = manifest.getMainAttributes();

        return attr.getValue(property);
    } catch (IOException ex) {
        logger.debug("Exception: ", ex);
        return null;
    }
}

From source file:com.netflix.client.ssl.URLSslContextFactory.java

/**
 * Opens the specified key or trust store using the given password.
 *
 * In case of failure {@link com.netflix.client.ssl.ClientSslSocketFactoryException} is thrown, and wrapps the
 * underlying cause exception. That could be:
 * <ul>/*from  w w w  . ja v  a2  s. c o m*/
 *     <li>KeyStoreException if the JRE doesn't support the standard Java Keystore format, in other words: never</li>
 *     <li>NoSuchAlgorithmException if the algorithm used to check the integrity of the keystore cannot be found</li>
 *     <li>CertificateException if any of the certificates in the keystore could not be loaded</li>
 *     <li>
 *         IOException if there is an I/O or format problem with the keystore data, if a
 *         password is required but not given, or if the given password was incorrect. If the
 *         error is due to a wrong password, the cause of the IOException should be an UnrecoverableKeyException.
 *     </li>
 * </ul>
 *
 * @param storeFile the location of the store to load
 * @param password the password protecting the store
 * @return the newly loaded key store
 * @throws ClientSslSocketFactoryException a wrapper exception for any problems encountered during keystore creation.
 */
private static KeyStore createKeyStore(final URL storeFile, final String password)
        throws ClientSslSocketFactoryException {

    if (storeFile == null) {
        return null;
    }

    Preconditions.checkArgument(StringUtils.isNotEmpty(password),
            "Null keystore should have empty password, defined keystore must have password");

    KeyStore keyStore = null;

    try {
        keyStore = KeyStore.getInstance("jks");

        InputStream is = storeFile.openStream();

        try {
            keyStore.load(is, password.toCharArray());
        } catch (NoSuchAlgorithmException e) {
            throw new ClientSslSocketFactoryException(
                    String.format("Failed to create a keystore that supports algorithm %s: %s",
                            SOCKET_ALGORITHM, e.getMessage()),
                    e);
        } catch (CertificateException e) {
            throw new ClientSslSocketFactoryException(String.format(
                    "Failed to create keystore with algorithm %s due to certificate exception: %s",
                    SOCKET_ALGORITHM, e.getMessage()), e);
        } finally {
            try {
                is.close();
            } catch (IOException ignore) { // NOPMD                
            }
        }
    } catch (KeyStoreException e) {
        throw new ClientSslSocketFactoryException(
                String.format("KeyStore exception creating keystore: %s", e.getMessage()), e);
    } catch (IOException e) {
        throw new ClientSslSocketFactoryException(
                String.format("IO exception creating keystore: %s", e.getMessage()), e);
    }

    return keyStore;
}

From source file:webtest.Test1.java

private static String readUrl(String urlString) throws Exception {
    BufferedReader reader = null;
    try {//from   w  w  w.  j  av a 2  s .  co m
        URL url = new URL(urlString);
        reader = new BufferedReader(new InputStreamReader(url.openStream()));
        StringBuffer buffer = new StringBuffer();
        int read;
        char[] chars = new char[1024];
        while ((read = reader.read(chars)) != -1) {
            buffer.append(chars, 0, read);
        }

        return buffer.toString();
    } finally {
        if (reader != null) {
            reader.close();
        }
    }
}

From source file:com.mobile.natal.natalchart.NetworkUtilities.java

/**
 * Read url to string./*w w  w . j  a  v  a2  s.co m*/
 *
 * @param urlString the url.
 * @return the fetched text.
 * @throws Exception if something goes wrong.
 */
public static String readUrl(String urlString) throws Exception {
    URL url = new URL(urlString);
    InputStream inputStream = url.openStream();
    BufferedReader bi = new BufferedReader(new InputStreamReader(inputStream));
    StringBuilder sb = new StringBuilder();
    String line = null;
    while ((line = bi.readLine()) != null) {
        sb.append(line).append("\n");
    }
    inputStream.close();
    return sb.toString().trim();
}

From source file:org.glowroot.tests.WebDriverSetup.java

private static void downloadAndExtractGeckoDriver(File directory, String downloadFilenameSuffix,
        String downloadFilenameExt, String optionalExt, Archiver archiver) throws IOException {
    // using System.out to make sure user sees why there is a delay here
    System.out.print("Downloading Mozilla geckodriver " + GECKO_DRIVER_VERSION + "...");
    URL url = new URL("https://github.com/mozilla/geckodriver/releases/download/v" + GECKO_DRIVER_VERSION
            + "/geckodriver-v" + GECKO_DRIVER_VERSION + '-' + downloadFilenameSuffix + '.'
            + downloadFilenameExt);/*  w  w  w . ja va2 s  . c  o  m*/
    InputStream in = url.openStream();
    File archiveFile = File.createTempFile("geckodriver-" + GECKO_DRIVER_VERSION + '-',
            '.' + downloadFilenameExt);
    Files.asByteSink(archiveFile).writeFrom(in);
    in.close();
    archiver.extract(archiveFile, directory);
    Files.move(new File(directory, "geckodriver" + optionalExt),
            new File(directory, "geckodriver-" + GECKO_DRIVER_VERSION + optionalExt));
    archiveFile.delete();
    System.out.println(" OK");
}

From source file:com.aurel.track.admin.customize.lists.BlobBL.java

/**
 * Download the icon if exists. If there is no icon set then the default
 * blank icon will be rendered//from ww w .  ja va2s. c om
 * 
 * @param iconKey
 * @param iconName
 * @param request
 * @param reponse
 * @param inline
 */
public static void download(Integer iconKey, String iconName, HttpServletRequest request,
        HttpServletResponse reponse, boolean inline, String defaultIconPath) {
    byte[] imageContent = null;
    if (iconKey != null) {
        TBLOBBean blobBean = loadByPrimaryKey(iconKey);
        if (blobBean != null) {
            imageContent = blobBean.getBLOBValue();
        }
    }
    if (defaultIconPath != null) {
        if (imageContent == null || imageContent.length == 0) {
            try {
                URL defaultIconURL = ApplicationBean.getInstance().getServletContext()
                        .getResource(defaultIconPath);
                if (defaultIconURL != null) {
                    imageContent = IOUtils.toByteArray(defaultIconURL.openStream());
                }
            } catch (IOException e) {
                LOGGER.info("Getting the icon content for " + defaultIconPath + " from URL failed with "
                        + e.getMessage());
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug(ExceptionUtils.getStackTrace(e));
                }
            }
        }
        if (imageContent == null || imageContent.length == 0) {
            InputStream is = ApplicationBean.getInstance().getServletContext()
                    .getResourceAsStream(defaultIconPath);
            ByteArrayOutputStream output = new ByteArrayOutputStream();
            try {
                byte[] buf = new byte[1024];
                int numBytesRead;
                while ((numBytesRead = is.read(buf)) != -1) {
                    output.write(buf, 0, numBytesRead);
                }
                imageContent = output.toByteArray();
                output.close();
                is.close();
            } catch (IOException e) {
                LOGGER.info("Getting the icon content for " + defaultIconPath
                        + " as resource stream failed with " + e.getMessage());
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug(ExceptionUtils.getStackTrace(e));
                }
            }
        }
    }
    if (imageContent != null) {
        download(imageContent, request, reponse, iconName, inline);
    }
}

From source file:menusearch.json.JSONProcessor.java

/**
 * /*  ww w.j av a2  s .  c  om*/
 * @param searchID is the ID of the recipe you would like to search for 
 * @return a string containing one recipe in JSON format.
 * @throws IOException 
 * 
 * This method creates a formated URL that then connects to Yummly and returns a JSON string for the recipeID provided.
 * 
 * RecipeID can be obtained only by doing a general search through yummly.
 */
public static String getRecipeAPI(String searchID) throws IOException {
    BufferedReader reader = null;
    try {
        URL url = new URL("http://api.yummly.com/v1/api/recipe/" + searchID
                + "?_app_id=95a21eb2&_app_key=d703fa9e11ee34f104bc271ec3bbcdb9");
        reader = new BufferedReader(new InputStreamReader(url.openStream()));
        StringBuffer buffer = new StringBuffer();
        int read;
        char[] chars = new char[1024];
        while ((read = reader.read(chars)) != -1)
            buffer.append(chars, 0, read);

        return buffer.toString();
    } finally {
        if (reader != null)
            reader.close();
    }
}

From source file:com.krawler.portal.tools.SourceFormatter.java

private static void _readExclusions() throws IOException {
    _exclusions = new Properties();

    ClassLoader classLoader = SourceFormatter.class.getClassLoader();

    String sourceFormatterExclusions = System.getProperty("source-formatter-exclusions",
            "com/liferay/portal/tools/dependencies/" + "source_formatter_exclusions.properties");

    URL url = classLoader.getResource(sourceFormatterExclusions);

    if (url == null) {
        return;/*  w w  w.  j a  v  a 2  s .co  m*/
    }

    InputStream is = url.openStream();

    _exclusions.load(is);

    is.close();
}

From source file:org.kurento.test.grid.GridHandler.java

public static String readContents(String address) throws IOException {
    StringBuilder contents = new StringBuilder(2048);
    BufferedReader br = null;//from w  w  w.  ja v  a2 s  . c o  m
    try {
        URL url = new URL(address);
        br = new BufferedReader(new InputStreamReader(url.openStream()));
        String line = "";
        while (line != null) {
            line = br.readLine();
            contents.append(line);
        }
    } finally {
        if (br != null) {
            br.close();
        }
    }
    return contents.toString();
}

From source file:info.evanchik.eclipse.karaf.core.KarafCorePluginUtils.java

/**
 * Loads a properties file as a resource from the specified {@link Bundle}
 *
 * @param theBundle/*from w  ww.  ja  va  2s. co m*/
 *            the {@link Bundle} to use as the source of the properties file
 * @param propertiesFile
 *            the path, relative to the root of the bundle, to the
 *            properties file
 * @return a {@link Properties} object or null if there was an error
 */
public static Properties loadProperties(final Bundle theBundle, final String propertiesFile) {
    final Properties properties = new Properties();

    final URL entryUrl = theBundle.getEntry(propertiesFile);

    if (entryUrl == null) {
        return null;
    }

    try {
        final InputStream in = entryUrl.openStream();

        properties.load(in);

        in.close();

        return properties;
    } catch (final IOException e) {
        e.printStackTrace();
    }

    return null;
}