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:at.becast.youploader.database.SQLite.java

public static void updatePlaylist(Item item) throws SQLException, IOException {
    PreparedStatement prest = null;
    String sql = "UPDATE `playlists` SET `name`=?,`image`=? WHERE `playlistid`=?";
    prest = c.prepareStatement(sql);//  w w w  .  ja va 2 s .com
    prest.setString(1, item.snippet.title);
    URL url = new URL(item.snippet.thumbnails.default__.url);
    InputStream is = null;
    is = url.openStream();
    byte[] imageBytes = IOUtils.toByteArray(is);
    prest.setBytes(2, imageBytes);
    prest.setString(3, item.id);
    prest.execute();
    prest.close();

}

From source file:net.sourceforge.dita4publishers.word2dita.Word2DitaValidationHelper.java

/**
 * @return/*  w  w w .j a  v a  2  s  .c o  m*/
 * @throws IOException 
 * @throws DomException 
 * @throws BosMemberValidationException 
 */
static Element getCommentTemplate(URL commentsUrl, BosConstructionOptions bosOptions)
        throws IOException, BosMemberValidationException, DomException {
    InputSource commentsTemplateXmlSource = new InputSource(commentsUrl.openStream());
    commentsTemplateXmlSource.setSystemId(DocxConstants.COMMENTS_XML_PATH);
    Document commentsTemplateDom = DomUtil.getDomForSource(commentsTemplateXmlSource, bosOptions, false, false);
    NodeList comments = commentsTemplateDom.getDocumentElement()
            .getElementsByTagNameNS(DocxConstants.nsByPrefix.get("w"), "comment");
    Element commentTemplate = (Element) comments.item(0);
    return commentTemplate;
}

From source file:at.becast.youploader.database.SQLite.java

public static void insertPlaylist(Item item, int account) throws SQLException, IOException {
    PreparedStatement prest = null;
    String sql = "INSERT INTO `playlists` (`name`, `playlistid`,`image`,`account`,`shown`) "
            + "VALUES (?,?,?,?,1)";
    prest = c.prepareStatement(sql);/* w ww . j a  va2  s  .  c o  m*/
    prest.setString(1, item.snippet.title);
    prest.setString(2, item.id);
    URL url = new URL(item.snippet.thumbnails.default__.url);
    InputStream is = null;
    is = url.openStream();
    byte[] imageBytes = IOUtils.toByteArray(is);
    prest.setBytes(3, imageBytes);
    prest.setInt(4, account);
    prest.execute();
    prest.close();
}

From source file:com.t3.persistence.FileUtil.java

public static void unzip(URL url, File destDir) throws IOException {
    if (url == null)
        throw new IOException("URL cannot be null");

    try (ZipInputStream zis = new ZipInputStream(new BufferedInputStream(url.openStream()))) {
        unzip(zis, destDir);//from  w w w. ja  v a2s.  com
    }
}

From source file:info.magnolia.cms.util.ConfigUtil.java

/**
 * Try to get the file. Get it first in the file system, then from the resources
 * @param fileName/*from  w  w w .  j a v  a 2  s  .  c  om*/
 * @return the input stream
 * @deprecated since 4.0 - use getTokenizedConfigFile
 */
public static InputStream getConfigFile(String fileName) {
    File file = new File(Path.getAppRootDir(), fileName);
    InputStream stream;
    // relative to webapp root
    if (file.exists()) {
        URL url;
        try {
            url = new URL("file:" + file.getAbsolutePath()); //$NON-NLS-1$
        } catch (MalformedURLException e) {
            log.error("Unable to read config file from [" + fileName + "], got a MalformedURLException: ", e);
            return null;
        }
        try {
            stream = url.openStream();
        } catch (IOException e) {
            log.error("Unable to read config file from [" + fileName + "], got a IOException ", e);
            return null;
        }
        return stream;
    }

    // try it directly
    file = new File(fileName);
    if (file.exists()) {
        try {
            stream = new FileInputStream(file);
        } catch (FileNotFoundException e) {
            log.error("Unable to read config file from [" + fileName + "], got a FileNotFoundException ", e);
            return null;
        }
        return stream;
    }
    // try resources
    try {
        return ClasspathResourcesUtil.getStream(fileName);
    } catch (IOException e) {
        log.error("Unable to read config file from the resources [" + fileName + "]", e);
    }

    return null;
}

From source file:com.aurel.track.dbase.UpdateDbSchema.java

/**
 * Run an SQL script//from   ww  w.jav  a  2s.  c  o  m
 * @param script
 */
@SuppressWarnings("resource")
private static void runSQLScript(String script, int maxValue, String progressText) {
    String folderName = getDbScriptFolder();
    int line = 0;
    int noOfLines = 0;
    int progress = 0;
    Connection cono = null;
    try {
        long start = new Date().getTime();
        cono = InitDatabase.getConnection();
        cono.setAutoCommit(false);
        Statement ostmt = cono.createStatement();
        script = "/dbase/" + folderName + "/" + script;
        URL populateURL = ApplicationBean.getInstance().getServletContext().getResource(script);
        InputStream in = populateURL.openStream();
        java.util.Scanner s = new java.util.Scanner(in, "UTF-8").useDelimiter(";");
        while (s.hasNext()) {
            ++noOfLines;
            s.nextLine();
        }
        int mod = noOfLines / maxValue;
        in.close();
        in = populateURL.openStream();
        s = new java.util.Scanner(in, "UTF-8").useDelimiter(";");
        String st = null;
        StringBuilder stb = new StringBuilder();

        int modc = 0;
        progress = Math.round(new Float(mod) / new Float(noOfLines) * maxValue);

        LOGGER.info("Running SQL script " + script);
        while (s.hasNext()) {
            stb.append(s.nextLine().trim());
            st = stb.toString();
            ++line;
            ++modc;
            if (!st.isEmpty() && !st.startsWith("--") && !st.startsWith("/*") && !st.startsWith("#")) {
                if (st.trim().equalsIgnoreCase("go")) {
                    try {
                        cono.commit();
                    } catch (Exception ex) {
                        LOGGER.error(ExceptionUtils.getStackTrace(ex));
                    }
                    stb = new StringBuilder();
                } else {
                    if (st.endsWith(";")) {
                        stb = new StringBuilder(); // clear buffer
                        st = st.substring(0, st.length() - 1); // remove the semicolon
                        try {
                            if ("commit".equals(st.trim().toLowerCase())
                                    || "go".equals(st.trim().toLowerCase())) {
                                cono.commit();
                            } else {
                                ostmt.executeUpdate(st);
                                if (mod > 4 && modc >= mod) {
                                    modc = 0;
                                    ApplicationStarter.getInstance().actualizePercentComplete(progress,
                                            progressText);
                                }
                            }
                        } catch (Exception exc) {
                            if (!("Derby".equals(folderName) && exc.getMessage().contains("DROP TABLE")
                                    && exc.getMessage().contains("not exist"))) {
                                LOGGER.error("Problem executing DDL statements: " + exc.getMessage());
                                LOGGER.error("Line " + line + ": " + st);
                            }
                        }
                    } else {
                        stb.append(" ");
                    }
                }
            } else {
                stb = new StringBuilder();
            }
        }
        in.close();
        cono.commit();
        cono.setAutoCommit(true);

        long now = new Date().getTime();
        LOGGER.info("Database schema creation took " + (now - start) / 1000 + " seconds.");

    } catch (Exception e) {
        LOGGER.error("Problem upgrading database schema in line " + line + " of file " + script, e);
    } finally {
        try {
            if (cono != null) {
                cono.close();
            }
        } catch (Exception e) {
            LOGGER.info("Closing the connection failed with " + e.getMessage());
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    }
}

From source file:at.becast.youploader.database.SQLite.java

public static void savePlaylists(Playlists playlists, int account) throws SQLException, IOException {
    PreparedStatement prest = null;
    String sql = "INSERT INTO `playlists` (`name`, `playlistid`,`image`,`account`) " + "VALUES (?,?,?,?)";
    for (Playlists.Item i : playlists.items) {
        prest = c.prepareStatement(sql);
        prest.setString(1, i.snippet.title);
        prest.setString(2, i.id);/* w  w w .ja  v  a  2  s. com*/
        URL url = new URL(i.snippet.thumbnails.default__.url);
        InputStream is = null;
        is = url.openStream();
        byte[] imageBytes = IOUtils.toByteArray(is);
        prest.setBytes(3, imageBytes);
        prest.setInt(4, account);
        prest.execute();
        prest.close();
    }
}

From source file:gdt.data.grain.Support.java

/**
 * Get class resource as input stream. /* w  ww  .  j a  va 2  s.  c o  m*/
 * @param handler the class
 * @param resource$ the resource name.
 * @return input stream.
 */
public static InputStream getClassResource(Class<?> handler, String resource$) {
    try {
        InputStream is = handler.getResourceAsStream(resource$);
        if (is != null) {
            //System.out.println("Support:getClassResource:resource stream="+is.toString());
            return is;
        } else {
            //   System.out.println("Support:getClassResource:cannot get embedded resource stream for handler="+handler.getName());                  
            ClassLoader classLoader = handler.getClassLoader();
            //if(classLoader!=null)
            //   System.out.println("Support:getClassResource:class loader="+classLoader.toString());
            is = classLoader.getResourceAsStream(resource$);
            //if(is!=null)
            //   System.out.println("Support:getClassResource:resourse stream="+is.toString());
            //else
            //   System.out.println("Support:getClassResource:cannot get resource stream");
            String handler$ = handler.getName();
            //System.out.println("Support:getClassResource:class="+handler$);
            String handlerName$ = handler.getSimpleName();
            //System.out.println("Support:getClassResource:class name="+handlerName$);
            String handlerPath$ = handler$.replace(".", "/");
            //System.out.println("Support:getClassResource:class path="+handlerPath$);
            String resourcePath$ = "src/" + handlerPath$.replace(handlerName$, resource$);
            //System.out.println("Support:getClassResource:resource path="+resourcePath$);
            ClassLoader classloader = Thread.currentThread().getContextClassLoader();
            URL resourceUrl = classloader.getResource(resourcePath$);
            if (resourceUrl != null) {
                //System.out.println("Support:getClassResource:resource URL="+resourceUrl.toString());
                return resourceUrl.openStream();
            } else {
                //System.out.println("Support:getClassResource:cannot get resource URL");               
            }
        }
    } catch (Exception e) {
        Logger.getLogger(gdt.data.grain.Support.class.getName()).severe(e.toString());
    }
    return null;
}

From source file:name.yumao.douyu.http.PlaylistDownloader.java

private static void downloadInternal(URL segmentUrl, String outFile) {

    FileOutputStream out = null;/*from  w  w w  . j  av  a  2 s .com*/
    InputStream is = null;
    try {
        byte[] buffer = new byte[512];

        is = segmentUrl.openStream();

        if (outFile != null) {
            File file = new File(outFile);
            if (!file.getParentFile().exists()) {
                file.getParentFile().mkdirs();
            }

            out = new FileOutputStream(outFile, file.exists());
        } else {
            String path = segmentUrl.getPath();
            int pos = path.lastIndexOf('/');
            out = new FileOutputStream(path.substring(++pos), false);
        }

        logger.info("Downloading segment:" + segmentUrl + "\r");

        int read;

        while ((read = is.read(buffer)) >= 0) {
            out.write(buffer, 0, read);
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            is.close();
            out.close();
        } catch (IOException e) {

            e.printStackTrace();
        }

    }

}

From source file:eu.planets_project.services.utils.cli.CliMigrationPaths.java

/**
 * @param resourceName The XML file containing the path configuration
 * @return The paths defined in the XML file
 * @throws ParserConfigurationException// w  w w  .j av  a 2 s  .  c  o m
 * @throws IOException
 * @throws SAXException
 * @throws URISyntaxException
 */
// TODO: Clean up this exception-mess. Something like "InitialisationException" or "ConfigurationErrorException" should cover all these exceptions.
public static CliMigrationPaths initialiseFromFile(String resourceName)
        throws ParserConfigurationException, IOException, SAXException, URISyntaxException {

    InputStream instream;

    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    URL resourceURL = loader.getResource(resourceName);
    if (new File(defaultPath, resourceName).isFile()) {
        instream = new FileInputStream(new File(defaultPath, resourceName));
    } else if (new File(resourceName).isFile()) {
        instream = new FileInputStream(new File(resourceName));
    } else if (resourceURL != null) {
        instream = resourceURL.openStream();
    } else {
        String msg = String.format("Could not locate resource %s", resourceName);
        throw new FileNotFoundException(msg);
    }

    CliMigrationPaths paths = new CliMigrationPaths();

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

    DocumentBuilder builder = dbf.newDocumentBuilder();
    Document doc = builder.parse(instream);

    Element fileformats = doc.getDocumentElement();
    if (fileformats != null) {
        NodeList children = fileformats.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                if (child.getNodeName().equals("path")) {
                    CliMigrationPath pathdef = decodePathNode(child);
                    paths.add(pathdef);
                }
            }
        }
    }
    IOUtils.closeQuietly(instream);
    return paths;
}