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:it.damore.solr.importexport.App.java

/**
 * @param sUrl/* ww w. j  a  va 2s.  co  m*/
 * @return
 * @throws MalformedURLException
 * @throws IOException
 */
private static String readUrl(String sUrl) throws MalformedURLException, IOException {
    StringBuilder sbJson = new StringBuilder();
    URL url = new URL(sUrl);
    BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
    String inputLine;
    while ((inputLine = in.readLine()) != null)
        sbJson.append(inputLine);
    in.close();
    return sbJson.toString();
}

From source file:Models.Taxonomy.Repository.RepositoryTNRS.java

/**
 * Method that consuming web services from tnrs and get results
 * @param name Name from specie to evaluate
 * @param best True for best results, false if all results
 * @return /* ww w. ja va 2 s  .c  o  m*/
 */
public static TNRS[] get(String name, boolean best) {
    TNRS[] a = null;
    try {
        if (db == null)
            db = new HashMap();
        if (db.containsKey(name.trim().replaceAll(" ", "_")))
            return (TNRS[]) db.get(name.trim().replaceAll(" ", "_"));
        URL url = new URL(Configuration.getParameter("tnrs_url_base")
                + (best ? "retrieve=best" : "retrieve=all") + "&names=" + name.replaceAll(" ", "%20"));
        BufferedReader lector = new BufferedReader(new InputStreamReader(url.openStream()));
        String textJson = lector.readLine();
        if (textJson == null)
            throw new Exception("Don't found item " + name);
        JSONArray jsNames = (JSONArray) ((JSONObject) JSONValue.parse(textJson)).get("items");
        a = new TNRS[jsNames.size()];
        for (int i = 0; i < a.length; i++)
            a[i] = new TNRS((JSONObject) jsNames.get(i));
        db.put(name.trim().replaceAll(" ", "_"), a);
    } catch (Exception ex) {
        a = null;
        System.out.println("Error TNRS: " + ex);
    }
    return a;
}

From source file:Main.java

public static Bitmap urlToBitmap(String siteUrl, int requireSize) {
    //Log.d(LOG_TAG, "call the urlToBitmap " + ++callTime); // called 8 times..

    if (siteUrl == null) {
        //Log.d(LOG_TAG, "the url is null, throw Exception");
        return null;
    }/*  w  ww  .  j  a  v  a  2  s.  c o  m*/

    URL url;
    try {
        url = new URL(siteUrl);
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(url.openStream(), null, options);

        // determinte the scale size
        int scale = 1;
        //Log.d(Constant.LOG_TAG, "the outHeight is " + options.outHeight + ", the outWidth is " + options.outWidth);

        scale = computeSampleSize(options, -1, requireSize * requireSize);
        options.inJustDecodeBounds = false;
        //Log.d(Constant.LOG_TAG, "the scale is " + scale);
        options.inSampleSize = scale;
        Bitmap bitmap = BitmapFactory.decodeStream(url.openStream(), null, options);
        //Log.d(LOG_TAG, "get the bitmap in urltobitmap " + callTime);
        return bitmap;
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    //Log.d(LOG_TAG, "return null in urltobitmap " + callTime);
    return null;

}

From source file:net.ftb.util.AppUtils.java

public static String getExternalIP() {
    try {//from  www .j a  v  a  2  s . c o m
        URL url = new URL("http://checkip.amazonaws.com");
        BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
        return in.readLine();
    } catch (Exception e) {
        Logger.logDebug("failed", e);
    }
    return null;
}

From source file:com.sunchenbin.store.feilong.core.net.URLUtil.java

/**
 * ./*from   ww  w . ja  va 2 s. c o  m*/
 * 
 * <p>
 * ??? .
 * </p>
 *
 * @param urlString
 *            ?<br>
 *            url ??
 * @param directoryName
 *            
 * @throws IOException
 *             the IO exception
 * @see IOWriteUtil#write(InputStream, String, String)
 * 
 * @see org.apache.commons.io.FileUtils#copyURLToFile(URL, File)
 * @see org.apache.commons.io.FileUtils#copyURLToFile(URL, File, int, int)
 * 
 */
public static void download(String urlString, String directoryName) throws IOException {
    if (Validator.isNullOrEmpty(urlString)) {
        throw new NullPointerException("urlString can't be null/empty!");
    }
    if (Validator.isNullOrEmpty(directoryName)) {
        throw new NullPointerException("directoryName can't be null/empty!");
    }

    LOGGER.info("begin download,urlString:[{}],directoryName:[{}]", urlString, directoryName);

    URL url = URLUtil.newURL(urlString);
    InputStream inputStream = url.openStream();

    File file = new File(urlString);
    String fileName = file.getName();

    IOWriteUtil.write(inputStream, directoryName, fileName);

    LOGGER.info("end download,url:[{}],directoryName:[{}]", urlString, directoryName);
}

From source file:de.nava.informa.utils.FormatDetector.java

/**
 * Guess the format of the specified news channel. For performance
 * reason it is wise to minimize the number of format guesses.
 *
 * @param url a url to the news channel.
 * @return The news channel synatx format, currently only RSS 0.91
 * ({@link de.nava.informa.core.ChannelFormat#RSS_0_91})
 * and RSS/RDF 1.0//  w w w  .ja v a 2s .c  o m
 * ({@link de.nava.informa.core.ChannelFormat#RSS_1_0})
 * are recognized.
 * @throws UnsupportedFormatException in case a news channel format
 *                                    could not be guessed.
 * @throws IOException                if the given url cannot be read in.
 */
public static ChannelFormat getFormat(URL url) throws IOException, UnsupportedFormatException {

    logger.info("Trying to retrieve stream from " + url);
    BufferedInputStream in = new BufferedInputStream(url.openStream(), NR_FIRST_BYTES);
    return getFormat(in);
}

From source file:com.ericsson.eiffel.remrem.generate.EiffelRemremControllerIntegrationTest.java

public static String getMessagingVersion() {
    Enumeration resEnum;/*w ww  .j  a va2s  .c om*/
    try {
        resEnum = Thread.currentThread().getContextClassLoader().getResources(JarFile.MANIFEST_NAME);
        while (resEnum.hasMoreElements()) {
            try {
                URL url = (URL) resEnum.nextElement();
                if (url.getPath().contains("eiffel-remrem-semantics")) {
                    InputStream is = url.openStream();
                    if (is != null) {
                        Manifest manifest = new Manifest(is);
                        Attributes mainAttribs = manifest.getMainAttributes();
                        String version = mainAttribs.getValue("semanticsVersion");
                        if (version != null) {
                            return version;
                        }
                    }
                }
            } catch (Exception e) {
                // Silently ignore wrong manifests on classpath?
            }
        }
    } catch (IOException e1) {
        // Silently ignore wrong manifests on classpath?
    }
    return null;
}

From source file:it.attocchi.utils.HtmlUtils.java

/**
 * /*from w ww  .j a v a2s  .co  m*/
 * @param uri
 * @return
 * @throws Exception
 */
// public static String readUrl(String uri) throws Exception {
// StringBuilder sb = new StringBuilder();
// URL url = new URL(uri);
// BufferedReader in = new BufferedReader(new
// InputStreamReader(url.openStream()));
//
// String inputLine;
// while ((inputLine = in.readLine()) != null) {
// sb.append(inputLine);
// }
// in.close();
//
// return sb.toString();
// }

public static String callUrl(String url) throws Exception {
    StringBuffer sb = new StringBuffer();

    // try {

    if (StringUtils.isNotEmpty(url)) {
        URL anUrl = new URL(url);
        BufferedReader in = new BufferedReader(new InputStreamReader(anUrl.openStream()));

        String inputLine;
        while ((inputLine = in.readLine()) != null) {
            // System.out.println(inputLine);
            sb.append(inputLine);
        }
        in.close();
    }

    // } catch (Exception ex) {
    // // logger.error("callProc", ex);
    // }

    return sb.toString();
}

From source file:Main.java

public static Node loadURL(java.net.URL url) {
    Document document = null;/* w  ww  .jav  a2  s  .com*/
    if (url != null) {
        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            document = builder.parse(url.openStream());
        } catch (java.io.IOException ioe) {
            document = null;
            ioe.printStackTrace();
        } catch (ParserConfigurationException pce) {
            document = null;
            pce.printStackTrace();
        } catch (org.xml.sax.SAXException se) {
            document = null;
            se.printStackTrace();
        }

        return document;
    }
    return null;
}

From source file:eu.aniketos.ncvm.impl.EncodeSupport.java

static Map<String, String> LoadKeyValueFile(String file) throws IOException {
    Map<String, String> keyValues = new HashMap<String, String>();
    keyValues.clear();/*from  w  ww . j a  v  a2 s. c om*/

    BundleContext context = Activator.getContext();
    // Load data from the configuration file if there is one
    System.out.println("Reading key-value pairs from: " + file);
    URL configURL = context.getBundle().getEntry(file);
    if (configURL != null) {
        // Read the key value pairs
        BufferedReader input = new BufferedReader(new InputStreamReader(configURL.openStream()));
        try {
            String read = "";
            while (read != null) {
                read = input.readLine();
                // Skip comments and blank lines
                if ((read != null) && (!read.isEmpty()) && (!read.startsWith("#"))) {
                    // Read in the key-value pair
                    int separator = read.indexOf('=');
                    if (separator >= 0) {
                        String key = read.substring(0, separator).trim().toLowerCase();
                        String value = read.substring(separator + 1).trim();
                        // Store the result in our map
                        keyValues.put(key, value);
                    }
                }
            }
        } finally {
            input.close();
        }
    }

    return keyValues;
}