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:main.java.refinement_class.Useful.java

public static KieSession build(String s1, String s2) throws Exception {

    KieServices kieServices = KieServices.Factory.get();
    kieServices.newKieClasspathContainer(H2mserviceImpl.class.getClassLoader());
    KieFileSystem kfs = kieServices.newKieFileSystem();
    Thread.currentThread().setContextClassLoader(H2mserviceImpl.class.getClassLoader());

    try {//from  w ww . j  a v  a 2  s  . c o  m
        URL url = getUrl(H2mserviceImpl.class, s1);
        kfs.write(s2, kieServices.getResources().newInputStreamResource(url.openStream()));

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    KieBuilder kieBuilder = kieServices.newKieBuilder(kfs).buildAll();
    Results results = kieBuilder.getResults();
    if (results.hasMessages(Message.Level.ERROR)) {
        System.out.println(results.getMessages());
        throw new IllegalStateException("### errors ###");
    }

    KieContainer kieContainer = kieServices.newKieContainer(kieServices.getRepository().getDefaultReleaseId());
    KieBase kieBase = kieContainer.getKieBase();
    KieSession ksession = kieContainer.newKieSession();
    return ksession;
}

From source file:com.vmware.appfactory.taskqueue.tasks.state.tasks.FeedScanTask.java

/**
 * Read the feed at the specified URL and update this feed to match.
 * This will change some feed attributes (most notably the applications) but
 * anything set by the user will remain untouched.
 *//*w ww  .jav  a  2  s. c om*/
private static Feed readFromUrl(URL url) throws IOException, FeedJsonFormatException {
    /* Open the feed URL. */
    InputStream is = url.openStream();
    Feed feed;
    try {
        feed = FeedJsonParser.readStream(is);
    } finally {
        if (null != is) {
            is.close();
        }
    }

    feed.setUrl(url);
    return feed;
}

From source file:io.fabric8.camel.tooling.util.CamelNamespaces.java

public static Set<String> elementsWithDescription() {
    if (elementsWithDescription == null) {
        String file = "camelDescriptionElements.txt";
        String text = "";
        URL url = findResource(file, null);
        if (url != null) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            try {
                FileCopyUtils.copy(url.openStream(), baos);
                text = new String(baos.toByteArray(), "UTF-8");
            } catch (IOException e) {
                throw new RuntimeException(e.getMessage(), e);
            }//from w w w.  j a v a 2s  .c om
        } else {
            LOG.warn("Could not find file {} on the class path", file);
        }
        text += " camelContext";
        String[] arr = text.split(" ");

        elementsWithDescription = new HashSet<String>(Arrays.asList(arr));
    }
    return elementsWithDescription;
}

From source file:menusearch.json.JSONProcessor.java

/**
 * /*from  w w  w.j  av  a  2  s . co m*/
 * @param query -- formatted HTML that's used with the searchRecipes API on yummly
 * @return  a string in JSON format that contains all the recipes that match the search parameters.
 * @throws MalformedURLException
 * @throws IOException 
 * 
 * You CAN NOT call this method directly -- to search Yummly call the method queryBuilder and pass it your search parameters.
 */
private static String searchYummly(String query) throws MalformedURLException, IOException {
    BufferedReader reader = null;
    try {
        URL url = new URL(query);
        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.thruzero.common.core.utils.XmlUtils.java

public static Document createDocument(final DocumentBuilder parser, final URL sourceURL)
        throws IOException, SAXException {
    Document result = null;//from w ww .  j  a  va2 s .  c o m
    InputStream inStream = null;

    try {
        inStream = sourceURL.openStream();
        result = createDocument(parser, inStream);
        xmlUtilsLogHelper.logDocumentCreated(result);
    } catch (IOException e) {
        logger.error("*** IOException: " + e);
        throw e;
    } finally {
        if (inStream != null) {
            try {
                inStream.close();
            } catch (IOException e) {
                // ignore close error.
            }
        }
    }

    return result;
}

From source file:fr.shywim.antoinedaniel.utils.Utils.java

/**
 * Download a file from the CDN server./*from   w w  w  .  ja va  2 s .c  o m*/
 * (Note to self: all last three params could be determined by {@link java.io.File#getPath})
 * @param context Any context.
 * @param dst Local {@link java.io.File} to save.
 * @param fileName Name of the distant file to download.
 * @param folder Folder of the distant file to download.
 * @param ext Extension of the distant file to download.
 * @return true if file has been successfully downloaded, false in any other case.
 */
public static boolean downloadFileFromCdn(Context context, File dst, String fileName, String folder, String ext,
        boolean force) throws IOException {
    int count;
    InputStream input;
    FileOutputStream output;
    final String cdnLink = context.getResources().getString(R.string.cdn_link);

    if (force || !dst.exists()) {
        if (force || dst.createNewFile()) {
            URL url = new URL(cdnLink + folder + fileName + ext);
            input = new BufferedInputStream(url.openStream(), 4096);
            byte data[] = new byte[2048];
            output = new FileOutputStream(dst);
            while ((count = input.read(data)) != -1) {
                output.write(data, 0, count);
            }
            output.flush();
            input.close();
            output.close();
        } else {
            return false;
        }
    }
    return true;
}

From source file:com.ms.commons.test.classloader.IntlTestURLClassPath.java

private static CopiedJDK5Manifest findSurefireBooterManifest() throws Exception {
    ArrayList<URL> urls = CollectionUtil.toCollection(ArrayList.class,
            IntlTestURLClassPath.class.getClassLoader().getResources("META-INF/MANIFEST.MF"));
    for (URL u : urls) {
        CopiedJDK5Manifest mf = new CopiedJDK5Manifest();
        mf.read(u.openStream());
        if ("org.apache.maven.surefire.booter.SurefireBooter"
                .equals(mf.getMainAttributes().getValue("Main-Class"))) {
            return mf;
        }//from   w  ww  .  j a va 2 s .com
    }
    return null;
}

From source file:eu.geopaparazzi.library.network.NetworkUtilities.java

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;/*from   w  w  w . ja  v a  2  s.  c om*/
    while ((line = bi.readLine()) != null) {
        sb.append(line).append("\n");
    }
    inputStream.close();
    return sb.toString().trim();
}

From source file:com.github.e2point718.har2jmx.HAR.java

public static String read(URL source) throws IOException {
    String line = null;/*from ww w. j a  v  a2s. c  o m*/
    StringBuilder bu = new StringBuilder();
    BufferedReader reader = new BufferedReader(new InputStreamReader(source.openStream()));
    try {
        while ((line = reader.readLine()) != null) {
            bu.append(line);
        }
    } finally {
        reader.close();
    }
    return bu.toString();
}

From source file:br.org.acessobrasil.nucleuSilva.util.PegarPaginaWEB.java

/**
 * Mtodo que extrai o contedo de uma pgina.
 * //from  w  w  w .j av  a  2  s. co m
 * @param url
 *            URL da pgina a ter seu contedo extrado.
 * @return Contedo de uma pgina.
 * @throws IOException
 *             Erro ao conectar a pgina.
 * @deprecated Utilize o mtodo getContent().
 */
public static StringBuilder pegar(final URL url) throws IOException {
    StringBuilder buf = new StringBuilder();
    InputStreamReader isr = new InputStreamReader(url.openStream());
    BufferedReader in = new BufferedReader(isr);
    while (in.ready()) {
        buf.append(in.readLine() + "\n");
    }

    in.close();
    // aqui simplesmente  lido uma pagina da internet e retornada em buf,
    // sem tratamentos
    return buf;
}