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.arm.connector.bridge.core.Utils.java

public static String getExternalIPAddress() {
    if (Utils._externalIPAddress == null) {
        BufferedReader in = null;
        try {/*from  www.ja v a 2 s  .  co m*/
            URL whatismyip = new URL("http://checkip.amazonaws.com");
            in = new BufferedReader(new InputStreamReader(whatismyip.openStream()));
            Utils._externalIPAddress = in.readLine();
            in.close();
        } catch (Exception ex) {
            try {
                if (in != null)
                    in.close();
            } catch (Exception ex2) {
                // silent
            }
        }
    }
    return Utils._externalIPAddress;
}

From source file:edu.isi.karma.kr2rml.mapping.WorksheetR2RMLJenaModelParser.java

public static Model loadSourceModelIntoJenaModel(R2RMLMappingIdentifier id) throws IOException {
    // Create an empty Model
    Model model = ModelFactory.createDefaultModel();
    InputStream s;// w w w. ja  v a 2  s. c o m
    if (id.getContent() != null) {
        s = IOUtils.toInputStream(id.getContent());
    } else {
        URL modelURL = id.getLocation();
        logger.info("Load model:" + modelURL.toString());
        s = modelURL.openStream();
    }
    model.read(s, null, "TURTLE");
    return model;
}

From source file:eu.medsea.mimeutil.detector.ExtensionMimeDetector.java

private static void initMimeTypes() {
    InputStream is = null;/*from   w w  w.  j a v  a  2  s. co  m*/
    extMimeTypes = new Properties();
    try {
        // Load the file extension mappings from the internal property file and
        // then
        // from the custom property files if they can be found
        try {
            // Load the default supplied mime types
            is = MimeUtil.class.getClassLoader()
                    .getResourceAsStream("eu/medsea/mimeutil/mime-types.properties");
            if (is != null) {
                ((Properties) extMimeTypes).load(is);
            }
        } catch (Exception e) {
            // log the error but don't throw the exception up the stack
            log.error("Error loading internal mime-types.properties", e);
        } finally {
            is = closeStream(is);
        }

        // Load any .mime-types.properties from the users home directory
        try {
            File f = new File(System.getProperty("user.home") + File.separator + ".mime-types.properties");
            if (f.exists()) {
                is = new FileInputStream(f);
                if (is != null) {
                    log.debug("Found a custom .mime-types.properties file in the users home directory.");
                    Properties props = new Properties();
                    props.load(is);
                    if (props.size() > 0) {
                        extMimeTypes.putAll(props);
                    }
                    log.debug("Successfully parsed .mime-types.properties from users home directory.");
                }
            }
        } catch (Exception e) {
            log.error("Failed to parse .magic.mime file from users home directory. File will be ignored.", e);
        } finally {
            is = closeStream(is);
        }

        // Load any classpath provided mime types that either extend or
        // override the default mime type entries. Could also be in jar files.
        // Get an enumeration of all files on the classpath with this name. They could be in jar files as well
        try {
            Enumeration e = MimeUtil.class.getClassLoader().getResources("mime-types.properties");
            while (e.hasMoreElements()) {
                URL url = (URL) e.nextElement();
                if (log.isDebugEnabled()) {
                    log.debug("Found custom mime-types.properties file on the classpath [" + url + "].");
                }
                Properties props = new Properties();
                try {
                    is = url.openStream();
                    if (is != null) {
                        props.load(is);
                        if (props.size() > 0) {
                            extMimeTypes.putAll(props);
                            if (log.isDebugEnabled()) {
                                log.debug("Successfully loaded custome mime-type.properties file [" + url
                                        + "] from classpath.");
                            }
                        }
                    }
                } catch (Exception ex) {
                    log.error("Failed while loading custom mime-type.properties file [" + url
                            + "] from classpath. File will be ignored.");
                }
            }
        } catch (Exception e) {
            log.error(
                    "Problem while processing mime-types.properties files(s) from classpath. Files will be ignored.",
                    e);
        } finally {
            is = closeStream(is);
        }

        try {
            // Load any mime extension mappings file defined with the JVM
            // property -Dmime-mappings=../my/custom/mappings.properties
            String fname = System.getProperty("mime-mappings");
            if (fname != null && fname.length() != 0) {
                is = new FileInputStream(fname);
                if (is != null) {
                    if (log.isDebugEnabled()) {
                        log.debug(
                                "Found a custom mime-mappings property defined by the property -Dmime-mappings ["
                                        + System.getProperty("mime-mappings") + "].");
                    }
                    Properties props = new Properties();
                    props.load(is);
                    if (props.size() > 0) {
                        extMimeTypes.putAll(props);
                    }
                    log.debug("Successfully loaded the mime mappings file from property -Dmime-mappings ["
                            + System.getProperty("mime-mappings") + "].");
                }
            }
        } catch (Exception ex) {
            log.error("Failed to load the mime-mappings file defined by the property -Dmime-mappings ["
                    + System.getProperty("mime-mappings") + "].");
        } finally {
            is = closeStream(is);
        }
    } finally {
        // Load the mime types into the known mime types map of MimeUtil
        Iterator it = extMimeTypes.values().iterator();
        while (it.hasNext()) {
            String[] types = ((String) it.next()).split(",");
            for (int i = 0; i < types.length; i++) {
                MimeUtil.addKnownMimeType(types[i]);
            }
        }
    }
}

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

/**
 * Downloads data from the given URL and saves it to the given file
 * @param url The url to download from//from www.  j a  v a 2 s  .  c o m
 * @param file The file to save to.
 *
 * TODO: how to handle partial downloads? Old file is overwritten as soon as FileOutputStream is created.
 */
public static void downloadToFile(URL url, File file) throws IOException {
    file.getParentFile().mkdirs();
    ReadableByteChannel rbc = Channels.newChannel(url.openStream());
    FileOutputStream fos = new FileOutputStream(file);
    fos.getChannel().transferFrom(rbc, 0, 1 << 24);
    fos.close();
}

From source file:com.eurotong.orderhelperandroid.Common.java

public static String downloadContentFromInternet(String urlString) throws IOException {
    /*//ww w .  ja  v  a 2  s.  com
    URLConnection feedUrl=null;
    try
    {
       feedUrl = new URL(url).openConnection();
    }
    catch (MalformedURLException e)
    {
       Log.v("ERROR","MALFORMED URL EXCEPTION");
    }
    catch (IOException e) {
       e.printStackTrace();
    }
    try
    {
       InputStream in = feedUrl.getInputStream();
       String json = convertStreamToString(in);
       return  json;
    }
    catch(Exception e){}
    return null;
    */
    //http://stackoverflow.com/questions/6343166/android-os-networkonmainthreadexception
    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

    StrictMode.setThreadPolicy(policy);

    DateFormat dateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
    Date date = new Date();
    String datetime = dateFormat.format(date);
    // Create a URL for the desired page
    URL url = new URL(urlString + "?d=" + datetime);

    // Read all the text returned by the server

    InputStream in = url.openStream();
    String content = convertStreamToString(in);
    return content;
}

From source file:com.inamik.template.util.TemplateConfigUtil.java

/**
 * readTemplateEngineConfig w/URL - Read a template engine xml
 * configuration from a URL.//from   w  w w . j  a v a 2s  . c om
 * <p>
 * This is a convenience method and is equivelent to:
 * <p>
 * &nbsp;&nbsp; <code>readTeplateEngineConfig(url.oipenStream())</code>
 *
 * @param url The URL to read.
 * @return A template engine configuration suitable for instantiating
 *         a TemplateEngine class.
 * @throws IOException
 * @throws TemplateException
 * @throws NullPointerException if <code>url == null</code>
 *
 * @see #readTemplateEngineConfig(InputStream)
 */
public static TemplateEngineConfig readTemplateEngineConfig(final URL url)
        throws IOException, TemplateException {
    if (url == null) {
        throw new NullPointerException("url");
    }

    return readTemplateEngineConfig(url.openStream());
}

From source file:io.github.seanboyy.lotReset.json.ReadJSON.java

/**Read JSON file by using configuration file's JSON value,
 * which points to the file// w  w w.  j  a v  a  2s  .c o  m
 * @param configLocation String which specifies the location of the config.properties file
 * @return <code>ArrayList&ltArrayList&ltLot&gt&gt lots</code> if no errors are encountered
 * @since 1.0 - Implemented config.properties in 2.0
 */
public static ArrayList<ArrayList<Lot>> read(String configLocation) {
    JSONParser parser = new JSONParser();
    URL url;
    File f;
    //lots is multidimensional in this format: {{fromLot,toLot},{fromLot,toLot},{fromLot,toLot},etc...}
    ArrayList<ArrayList<Lot>> lots = new ArrayList<ArrayList<Lot>>();
    Config config = ReadConfig.read(configLocation);
    final String[] alphabet = config.getAlpha();
    final String[] types = config.getType();
    final String[] worlds = config.getWorld();
    try {
        url = new URL(config.getJSON());
        InputStream in = url.openStream();
        f = File.createTempFile("temp", "json");
        FileWriter file = new FileWriter(f);
        Scanner input = new Scanner(in);
        while (input.hasNextLine()) {
            file.write(input.nextLine());
        }
        input.close();
        file.close();
        Object obj = parser.parse(new FileReader(f));
        JSONObject jsonObj = (JSONObject) obj;
        JSONObject regions = (JSONObject) jsonObj.get("Regions");
        for (String a : worlds) {
            for (String b : types) {
                for (String c : alphabet) {
                    for (int d = 1; d <= alphabet.length; ++d) {
                        String lotId = a + "-" + b + "-" + c + d;
                        String lotIdA = a + "_" + b + "-" + c + d;
                        String lotIdB = a + "-" + b + "_" + c + d;
                        String lotIdC = a + "_" + b + "_" + c + d;
                        JSONObject lot = (JSONObject) regions.get(lotId);
                        JSONObject lotA = (JSONObject) regions.get(lotIdA);
                        JSONObject lotB = (JSONObject) regions.get(lotIdB);
                        JSONObject lotC = (JSONObject) regions.get(lotIdC);
                        ArrayList<Lot> lotInfo = new ArrayList<Lot>();
                        if (lot != null) {
                            lotInfo.add(new Lot((long) lot.get("source_minX"), (long) lot.get("source_maxX"),
                                    (long) lot.get("source_minY"), (long) lot.get("source_maxY"),
                                    (long) lot.get("source_minZ"), (long) lot.get("source_maxZ"),
                                    (String) lot.get("source_file"), lotId));
                            lotInfo.add(new Lot((long) lot.get("dest_minX"), (long) lot.get("dest_maxX"),
                                    (long) lot.get("dest_minY"), (long) lot.get("dest_maxY"),
                                    (long) lot.get("dest_minZ"), (long) lot.get("dest_maxZ"),
                                    (String) lot.get("dest_file"), lotId));
                            lots.add(lotInfo);
                        }
                        if (lotA != null) {
                            lotInfo.add(new Lot((long) lotA.get("source_minX"), (long) lotA.get("source_maxX"),
                                    (long) lotA.get("source_minY"), (long) lotA.get("source_maxY"),
                                    (long) lotA.get("source_minZ"), (long) lotA.get("source_maxZ"),
                                    (String) lotA.get("source_file"), lotIdA));
                            lotInfo.add(new Lot((long) lotA.get("dest_minX"), (long) lotA.get("dest_maxX"),
                                    (long) lotA.get("dest_minY"), (long) lotA.get("dest_maxY"),
                                    (long) lotA.get("dest_minZ"), (long) lotA.get("dest_maxZ"),
                                    (String) lotA.get("dest_file"), lotIdA));
                            lots.add(lotInfo);
                        }
                        if (lotB != null) {
                            lotInfo.add(new Lot((long) lotB.get("source_minX"), (long) lotB.get("source_maxX"),
                                    (long) lotB.get("source_minY"), (long) lotB.get("source_maxY"),
                                    (long) lotB.get("source_minZ"), (long) lotB.get("source_maxZ"),
                                    (String) lotB.get("source_file"), lotIdB));
                            lotInfo.add(new Lot((long) lotB.get("dest_minX"), (long) lotB.get("dest_maxX"),
                                    (long) lotB.get("dest_minY"), (long) lotB.get("dest_maxY"),
                                    (long) lotB.get("dest_minZ"), (long) lotB.get("dest_maxZ"),
                                    (String) lotB.get("dest_file"), lotIdB));
                            lots.add(lotInfo);
                        }
                        if (lotC != null) {
                            lotInfo.add(new Lot((long) lotC.get("source_minX"), (long) lotC.get("source_maxX"),
                                    (long) lotC.get("source_minY"), (long) lotC.get("source_maxY"),
                                    (long) lotC.get("source_minZ"), (long) lotC.get("source_maxZ"),
                                    (String) lotC.get("source_file"), lotIdC));
                            lotInfo.add(new Lot((long) lotC.get("dest_minX"), (long) lotC.get("dest_maxX"),
                                    (long) lotC.get("dest_minY"), (long) lotC.get("dest_maxY"),
                                    (long) lotC.get("dest_minZ"), (long) lotC.get("dest_maxZ"),
                                    (String) lotC.get("dest_file"), lotIdC));
                            lots.add(lotInfo);
                        }
                    }
                }
            }
        }
    } catch (IOException e) {
        System.out.println("FILE ERROR FROM READING JSON");
        e.printStackTrace();
        return null;
    } catch (ParseException e) {
        System.out.println("PARSER ERROR FROM READING JSON");
        e.printStackTrace();
        return null;
    }
    return lots;
}

From source file:com.moviejukebox.tools.DOMHelper.java

/**
 * Get a DOM document from the supplied file
 *
 * @param xmlFile//from   ww  w  .java2 s. co  m
 * @return
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public static Document getDocFromFile(File xmlFile)
        throws ParserConfigurationException, SAXException, IOException {
    URL url = xmlFile.toURI().toURL();
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc;

    // Custom error handler
    db.setErrorHandler(new SaxErrorHandler());

    try (InputStream in = url.openStream()) {
        doc = db.parse(in);
    } catch (SAXParseException ex) {
        if (FilenameUtils.isExtension(xmlFile.getName().toLowerCase(), "xml")) {
            throw new SAXParseException("Failed to process file as XML", null, ex);
        }
        // Try processing the file a different way
        doc = null;
    }

    if (doc == null) {
        try (
                // try wrapping the file in a root
                StringReader sr = new StringReader(wrapInXml(FileTools.readFileToString(xmlFile)))) {
            doc = db.parse(new InputSource(sr));
        }
    }

    if (doc != null) {
        doc.getDocumentElement().normalize();
    }

    return doc;
}

From source file:kenh.xscript.ScriptUtils.java

/**
 * Get xScript instance./*  w w w  .j  av a  2 s .  c o m*/
 * @param url
 * @param env
 * @return
 * @throws UnsupportedScriptException
 */
public static final Element getInstance(URL url, Environment env) throws UnsupportedScriptException {

    if (url == null)
        return null;

    try {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setIgnoringComments(true);
        factory.setNamespaceAware(true);
        factory.setIgnoringElementContentWhitespace(true);

        InputStream in = url.openStream();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.parse(in);
        return getInstance(doc, env);
    } catch (UnsupportedScriptException e) {
        throw e;
    } catch (Exception e) {
        throw new UnsupportedScriptException(null, e);
    }
}

From source file:org.apache.cxf.dosgi.dsw.OsgiUtils.java

@SuppressWarnings("unchecked")
public static List<Element> getAllDescriptionElements(Bundle b) {
    Object directory = null;/*from w  w  w  .ja  v a  2 s .c om*/

    Dictionary headers = b.getHeaders();
    if (headers != null) {
        directory = headers.get(REMOTE_SERVICES_HEADER_NAME);
    }

    if (directory == null) {
        directory = REMOTE_SERVICES_DIRECTORY;
    }

    Enumeration urls = b.findEntries(directory.toString(), "*.xml", false);
    if (urls == null) {
        return Collections.emptyList();
    }

    List<Element> elements = new ArrayList<Element>();
    while (urls.hasMoreElements()) {
        URL resourceURL = (URL) urls.nextElement();
        try {
            Document d = new SAXBuilder().build(resourceURL.openStream());
            Namespace ns = Namespace.getNamespace(REMOTE_SERVICES_NS);
            elements.addAll(d.getRootElement().getChildren(SERVICE_DESCRIPTION_ELEMENT, ns));
        } catch (Exception ex) {
            LOG.log(Level.WARNING, "Problem parsing: " + resourceURL, ex);
        }
    }
    return elements;
}