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:dk.clanie.io.IOUtil.java

/**
 * Calculates SHA1 for the contents referred to by the supplied URL.
 * // w  w w  . j a v a2s .co  m
 * @param url URL
 * @return String with SHA1 calculated from the contents referred to by <code>url</code>.
 * 
 * @throws RuntimeIOException
 */
public static String sha1(URL url) {
    InputStream is = null;
    try {
        is = url.openStream();
        return sha1(is);
    } catch (IOException ioe) {
        log.warn("Error occourred while reading from URL: " + url, ioe);
        throw new RuntimeIOException(ioe);
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException ioe) {
                log.warn("Failed to close stream for URL: " + url, ioe);
                throw new RuntimeIOException(ioe);
            }
        }
    }
}

From source file:eu.europa.ec.markt.dss.validation.crl.OnlineCRLSource.java

private static X509CRL downloadCRLFromURL(String crlURL) throws DSSException {

    InputStream crlStream = null;
    try {//w  w w . ja va2  s .c  o  m

        final URL url = new URL(crlURL);
        crlStream = url.openStream();
        return DSSUtils.loadCRL(crlStream);
    } catch (Exception e) {

        LOG.warning(e.getMessage());
    } finally {
        IOUtils.closeQuietly(crlStream);
    }
    return null;
}

From source file:common.DBHelper.java

private static String[] readSqlStatements(URL url) {
    try {//  www  . ja v  a  2  s  . co  m
        char buffer[] = new char[256];
        StringBuilder result = new StringBuilder();
        InputStreamReader reader = new InputStreamReader(url.openStream(), "UTF-8");
        while (true) {
            int count = reader.read(buffer);
            if (count < 0) {
                break;
            }
            result.append(buffer, 0, count);
        }
        return result.toString().split(";");
    } catch (IOException ex) {
        throw new RuntimeException("Cannot read " + url, ex);
    }
}

From source file:hm.binkley.util.ServiceBinder.java

private static <T> BufferedReader config(final Class<T> service, final URL config) {
    try {//from ww  w .  java2 s .com
        return new BufferedReader(new InputStreamReader(config.openStream(), UTF8));
    } catch (final IOException e) {
        return fail(service, config, "Cannot read service configuration", e);
    }
}

From source file:com.codename1.tools.javadoc.sourceembed.javadocsourceembed.Main.java

public static void processFile(File javaSourceFile, File javaDestFile) throws Exception {
    System.out.println("JavaSource Processing: " + javaSourceFile.getName());
    List<String> lines = Files.readAllLines(Paths.get(javaSourceFile.toURI()), CHARSET);
    for (int iter = 0; iter < lines.size(); iter++) {
        String l = lines.get(iter);
        int position = l.indexOf("<script src=\"https://gist.github.com/");
        if (position > -1) {
            String id = l.substring(position + 39);
            id = id.split("/")[1];
            id = id.substring(0, id.indexOf('.'));
            String fileContent = gistCache.get(id);
            if (fileContent != null) {
                lines.add(iter + 1, fileContent);
                iter++;/*from www . j  av a  2 s.c om*/
                continue;
            }

            URL u = new URL("https://api.github.com/gists/" + id + "?client_id=" + CLIENT_ID + "&client_secret="
                    + CLIENT_SECRET);
            try (BufferedReader br = new BufferedReader(new InputStreamReader(u.openStream(), CHARSET))) {
                String jsonText = br.lines().collect(Collectors.joining("\n"));
                JSONObject json = new JSONObject(jsonText);
                JSONObject filesObj = json.getJSONObject("files");
                String str = "";
                for (String k : filesObj.keySet()) {
                    JSONObject jsonFileEntry = filesObj.getJSONObject(k);
                    // breaking line to fix the problem with a blank space on the first line
                    String current = "\n" + jsonFileEntry.getString("content");
                    str += current;
                }
                int commentStartPos = str.indexOf("/*");
                while (commentStartPos > -1) {
                    // we just remove the comment as its pretty hard to escape it properly
                    int commentEndPos = str.indexOf("*/");
                    str = str.substring(commentStartPos, commentEndPos + 1);
                    commentStartPos = str.indexOf("/*");
                }

                // allows things like the @Override annotation
                str = "<noscript><pre>{@code " + str.replace("@", "{@literal @}") + "}</pre></noscript>";
                gistCache.put(id, str);
                lines.add(iter + 1, str);
                iter++;
            }
        }
    }
    try (BufferedWriter fw = new BufferedWriter(new FileWriter(javaDestFile))) {
        for (String l : lines) {
            fw.write(l);
            fw.write('\n');
        }
    }
}

From source file:com.comcast.magicwand.spells.web.chrome.ChromePhoenixDriver.java

/**
 * Gets the latest known version of chromedriver.
 * /*w  w  w. j  av  a2  s  .  c om*/
 * @return Latest known version
 */
public static String getLatestVersion() {
    String latest = LATEST_KNOWN_VERSION;

    try {
        URL url = new URL(LATEST_RELEASE_URL);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        IOUtils.copy(url.openStream(), baos);
        latest = baos.toString();
    } catch (IOException e) {
        LOG.error("Error retrieving url[{}]: {}", LATEST_RELEASE_URL, e);
    }
    return latest;
}

From source file:com.vmware.qe.framework.datadriven.impl.supplier.XMLDataParser.java

private static void validateAgainstSchema(URL dataFileURL) throws Exception {
    URL xsdURL = XMLDataParser.class.getResource(XSD_FILE_NAME);
    if (xsdURL == null) {
        log.error("Schema file not found!");
    } else {/*from  w w  w.  j a  va2s .c o m*/
        XMLUtil.validateXML(dataFileURL.openStream(), xsdURL.openStream());
    }
}

From source file:de.Keyle.MyPet.util.Util.java

public static String readUrlContent(String address) throws IOException {
    StringBuilder contents = new StringBuilder(2048);
    BufferedReader br = null;/*  w w w.  j  ava 2s  .  c o  m*/

    try {
        URL url = new URL(address);
        br = new BufferedReader(new InputStreamReader(url.openStream()));
        String line;
        while ((line = br.readLine()) != null) {
            contents.append(line);
        }
    } finally {
        try {
            if (br != null) {
                br.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
            DebugLogger.printThrowable(e);
        }
    }
    return contents.toString();
}

From source file:eionet.gdem.conversion.datadict.DataDictUtil.java

public static Map<String, DDElement> importDDElementSchemaDefs(Map<String, DDElement> elemDefs,
        String schemaUrl) {/* ww  w. ja  v  a  2  s.  co  m*/
    InputStream inputStream = null;
    if (elemDefs == null) {
        elemDefs = new HashMap<String, DDElement>();
    }

    try {
        IXmlCtx ctx = new XmlContext();
        URL url = new URL(schemaUrl);
        inputStream = url.openStream();
        ctx.checkFromInputStream(inputStream);

        IXQuery xQuery = ctx.getQueryManager();
        List<String> elemNames = xQuery.getSchemaElements();
        for (int i = 0; i < elemNames.size(); i++) {
            String elemName = elemNames.get(i);
            DDElement element = elemDefs.containsKey(elemName) ? elemDefs.get(elemName)
                    : new DDElement(elemName);
            element.setSchemaDataType(xQuery.getSchemaElementType(elemName));
            elemDefs.put(elemName, element);
        }
    } catch (Exception ex) {
        LOGGER.error("Error reading schema file ", ex);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
        }
    }
    return elemDefs;

}

From source file:com.moadbus.banking.iso.core.protocol.ConfigParser.java

/** Creates a message factory from the file located at the specified URL. */
public static MessageFactory createFromUrl(URL url) throws IOException {
    if (msgFactory == null) {
        msgFactory = new MessageFactory();
        InputStream stream = url.openStream();
        try {/*from  w w w. java 2 s  .  c  o  m*/
            parse(msgFactory, stream);
        } finally {
            stream.close();
        }
    }
    return msgFactory;
}