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:net.rim.ejde.internal.util.RIAUtils.java

public static void initDLLs() {
    IPath dllStoreLocation = ContextManager.PLUGIN.getStateLocation().append("installDlls"); //$NON-NLS-1$
    File dllStoreFile = dllStoreLocation.toFile();

    if (!dllStoreFile.exists())
        dllStoreFile.mkdir();//w  w w  . j  av  a 2  s. co m

    InputStream inputStream;
    OutputStream outputStream;
    File dllFile;
    byte[] buf;
    int numbytes;
    URL bundUrl;

    for (String dllFileName : dllNames) {
        inputStream = null;
        outputStream = null;

        try {
            dllFile = dllStoreLocation.append(dllFileName).toFile();
            Bundle bundle = ContextManager.PLUGIN.getBundle();
            if (!dllFile.exists() || bundle.getLastModified() > dllFile.lastModified()) {
                bundUrl = bundle.getResource(dllFileName);

                if (bundUrl == null)
                    continue;

                inputStream = bundUrl.openStream();
                outputStream = new FileOutputStream(dllFile);
                buf = new byte[4096];
                numbytes = 0;

                while ((numbytes = inputStream.read(buf)) > 0)
                    outputStream.write(buf, 0, numbytes);
            }
        } catch (IOException t) {
            _log.error(t.getMessage(), t);
        } finally {
            try {
                if (inputStream != null)
                    inputStream.close();

                if (outputStream != null)
                    outputStream.close();
            } catch (IOException t) {
                _log.error(t.getMessage(), t);
            }
        }
    } // end for
}

From source file:com.log4ic.compressor.utils.HttpUtils.java

/**
 * //from  ww  w .jav a 2 s  .c  om
 *
 * @param httpUrl
 * @return
 * @throws java.io.IOException
 */
public static String requestFile(String httpUrl) {
    URL url = null;
    try {
        url = new URL(httpUrl);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    if (url == null) {
        return null;
    }
    InputStream in = null;
    InputStreamReader streamReader = null;
    BufferedReader reader = null;
    try {
        in = url.openStream();
        streamReader = new InputStreamReader(in);
        reader = new BufferedReader(streamReader);
        String lineCode;
        StringBuilder pageCodeBuffer = new StringBuilder();
        while ((lineCode = reader.readLine()) != null) {
            pageCodeBuffer.append(lineCode);
            pageCodeBuffer.append("\n");
        }

        return pageCodeBuffer.toString();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (streamReader != null) {
            try {
                streamReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return null;
}

From source file:AuthSSLProtocolSocketFactory.java

private static KeyStore createKeyStore(final URL url, final String password)
        throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException {
    if (url == null) {
        throw new IllegalArgumentException("Keystore url may not be null");
    }//from   w  w  w.ja  va  2 s .  com
    System.out.println("Initializing key store");
    KeyStore keystore = KeyStore.getInstance("jks");
    InputStream is = null;
    try {
        is = url.openStream();
        keystore.load(is, password != null ? password.toCharArray() : null);
    } finally {
        if (is != null)
            is.close();
    }
    return keystore;
}

From source file:edu.jhu.cvrg.waveform.utility.WebServiceUtility.java

/** Looks up the long definition text from the/ECGOntology at Bioportal for the specfied tree node ID.
 * //from w  w w .  j a va  2 s .  co m
 * @param treeNodeID - the id to look up, as supplied by the OntologyTree popup.
 * @return - long definition text
 */

public static String annotationXMLLookup(String restURL) {
    String definition = "WARNING TEST FILLER From BrokerServiceImpl.java";
    String label = "TEST LABEL";
    String sReturn = "";

    URL url;
    try {
        url = new URL(restURL);

        BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));

        String inputLine;
        boolean isDescriptionFollowing = false;
        StringBuffer buff = null;

        while ((inputLine = in.readLine()) != null) {

            String regex = "^\\s+<label>\\w+</label>$";
            boolean bLabel = inputLine.matches(regex);
            if (bLabel) {
                label = inputLine.trim();
            }

            if (isDescriptionFollowing) { // <label>
                if (inputLine.length() != 0) {
                    if (inputLine.indexOf("</definitions>") > -1) {
                        isDescriptionFollowing = false;
                        break;
                    } else {
                        buff.append(inputLine);
                    }
                }
            } else {
                if (inputLine.indexOf("<definitions>") > -1) {
                    isDescriptionFollowing = true;
                    buff = new StringBuffer();
                }
            }
        }
        in.close();

        if (buff.length() > 0) {
            definition = buff.substring(0);
            definition = definition.replace("/n", "");
            definition = definition.replace("<string>", "");
            definition = definition.replace("</string>", "");
            definition = definition.trim();
        } else {
            definition = "Detailed definition not available.";
        }
        sReturn = label + definition;

    } catch (MalformedURLException mue) {
        mue.printStackTrace();
    } catch (IOException ioe) {
        ioe.printStackTrace();
    }
    return sReturn;
}

From source file:com.intel.cryptostream.utils.NativeCodeLoader.java

/**
 * Get the cryptostream version by reading pom.properties embedded in jar.
 * This version data is used as a suffix of a dll file extracted from the
 * jar.//from   www .  java 2s  . c o m
 * 
 * @return the version string
 */
public static String getVersion() {
    URL versionFile = NativeCodeLoader.class
            .getResource("/META-INF/maven/com.intel.cryptostream/cryptostream/pom.properties");
    if (versionFile == null)
        versionFile = NativeCodeLoader.class.getResource("/com/intel/cryptostream/VERSION");

    String version = "unknown";
    try {
        if (versionFile != null) {
            Properties versionData = new Properties();
            versionData.load(versionFile.openStream());
            version = versionData.getProperty("version", version);
            if (version.equals("unknown"))
                version = versionData.getProperty("VERSION", version);
            version = version.trim().replaceAll("[^0-9M\\.]", "");
        }
    } catch (IOException e) {
        System.err.println(e);
    }
    return version;
}

From source file:de.tbuchloh.kiskis.KisKis.java

/**
 * a hack for Java Web Start. The dictionary is delivered in a Jar and needs to be unpacked into the directory.
 *///w ww . j a  v a  2s .c  o m
private static void installCracklibDict() {
    final File dir = new File(Settings.getCracklibDict());
    if (!Dictionary.exists(dir.getName())) {
        final File absoluteDir = new File(System.getProperty("java.io.tmpdir"), "kiskis-dictionary");
        LOG.info("The dictionary " + dir + " does not exist. Creating tmp dictionary dir="
                + absoluteDir.getAbsolutePath());
        absoluteDir.mkdirs();

        // we need to install the dictionary
        final String[] resources = { "cracklib.pwi", "cracklib.hwm", "cracklib.pwd" };
        try {
            for (final String s : resources) {
                final String resourceName = "/" + s;
                final URL url = KisKis.class.getResource(resourceName);
                if (url == null) {
                    throw new KisKisException("The resource name " + resourceName + " does not exist!");
                }

                LOG.info("Getting url=" + url);

                final File target = new File(absoluteDir, s);
                try {
                    FileProcessor.copyStream(url.openStream(), new FileOutputStream(target));
                    LOG.info("File " + target + " created.");
                } catch (final IOException e) {
                    throw new KisKisException("Could not copy " + url + " to " + target, e);
                }
            }

            Settings.setCracklibDict(absoluteDir.getAbsolutePath());
        } catch (final KisKisException e) {
            LOG.error("Could not install dictionary in file system", e);
        }
    } else {
        LOG.info("The dictionary does already exist. Skipping ...");
    }
}

From source file:com.intel.chimera.utils.NativeCodeLoader.java

/**
 * Gets the version by reading pom.properties embedded in jar.
 * This version data is used as a suffix of a dll file extracted from the
 * jar./*from  w w  w .ja  v a2  s.c om*/
 * 
 * @return the version string
 */
public static String getVersion() {
    URL versionFile = NativeCodeLoader.class
            .getResource("/META-INF/maven/com.intel.chimera/chimera/pom.properties");
    if (versionFile == null)
        versionFile = NativeCodeLoader.class.getResource("/com/intel/chimera/VERSION");

    String version = "unknown";
    try {
        if (versionFile != null) {
            Properties versionData = new Properties();
            versionData.load(versionFile.openStream());
            version = versionData.getProperty("version", version);
            if (version.equals("unknown"))
                version = versionData.getProperty("VERSION", version);
            version = version.trim().replaceAll("[^0-9M\\.]", "");
        }
    } catch (IOException e) {
        System.err.println(e);
    }
    return version;
}

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

private static void initMagicRules() {
    InputStream in = null;//  w  w  w . j  a  va  2 s .  com

    // Try to locate a magic.mime file locate by system property magic-mime
    try {
        String fname = System.getProperty("magic-mime");
        if (fname != null && fname.length() != 0) {
            in = new FileInputStream(fname);
            if (in != null) {
                parse("-Dmagic-mime=" + fname, new InputStreamReader(in));
            }
        }
    } catch (Exception e) {
        log.error("Failed to parse custom magic mime file defined by system property -Dmagic-mime ["
                + System.getProperty("magic-mime") + "]. File will be ignored.", e);
    } finally {
        in = closeStream(in);
    }

    // Try to locate a magic.mime file(s) on the classpath

    // Get an enumeration of all files on the classpath with this name. They could be in jar files as well
    try {
        Enumeration en = MimeUtil.class.getClassLoader().getResources("magic.mime");
        while (en.hasMoreElements()) {
            URL url = (URL) en.nextElement();
            in = url.openStream();
            if (in != null) {
                try {
                    parse("classpath:[" + url + "]", new InputStreamReader(in));
                } catch (Exception ex) {
                    log.error("Failed to parse magic.mime rule file [" + url
                            + "] on the classpath. File will be ignored.", ex);
                }
            }

        }
    } catch (Exception e) {
        log.error("Problem while processing magic.mime files from classpath. Files will be ignored.", e);
    } finally {
        in = closeStream(in);
    }

    // Now lets see if we have one in the users home directory. This is
    // named .magic.mime as opposed to magic.mime
    try {
        File f = new File(System.getProperty("user.home") + File.separator + ".magic.mime");
        if (f.exists()) {
            in = new FileInputStream(f);
            if (in != null) {
                try {
                    parse(f.getAbsolutePath(), new InputStreamReader(in));
                } catch (Exception ex) {
                    log.error(
                            "Failed to parse .magic.mime file from the users home directory. File will be ignored.",
                            ex);
                }
            }
        }
    } catch (Exception e) {
        log.error(
                "Problem while processing .magic.mime file from the users home directory. File will be ignored.",
                e);
    } finally {
        in = closeStream(in);
    }

    // Now lets see if we have an environment variable named MAGIC set. This
    // would normally point to a magic or magic.mgc file.
    // As we don't use these file types we will look to see if there is also
    // a magic.mime file at this location for us to use.
    try {
        String name = System.getProperty("MAGIC");
        if (name != null && name.length() != 0) {
            // Strip the .mgc from the end if it's there and add the .mime
            // extension
            if (name.indexOf('.') < 0) {
                name = name + ".mime";
            } else {
                // remove the mgc extension
                name = name.substring(0, name.indexOf('.') - 1) + "mime";
            }
            File f = new File(name);
            if (f.exists()) {
                in = new FileInputStream(f);
                if (in != null) {
                    try {
                        parse(f.getAbsolutePath(), new InputStreamReader(in));
                    } catch (Exception ex) {
                        log.error(
                                "Failed to parse magic.mime file from directory located by environment variable MAGIC. File will be ignored.",
                                ex);
                    }
                }
            }
        }
    } catch (Exception e) {
        log.error(
                "Problem while processing magic.mime file from directory located by environment variable MAGIC. File will be ignored.",
                e);
    } finally {
        in = closeStream(in);
    }

    // Parse the UNIX magic(5) magic.mime files. Since there can be
    // multiple, we have to load all of them.
    // We save, how many entries we have now, in order to fall back to our
    // default magic.mime that we ship,
    // if no entries were read from the OS.

    int mMagicMimeEntriesSizeBeforeReadingOS = mMagicMimeEntries.size();
    Iterator it = magicMimeFileLocations.iterator();
    while (it.hasNext()) {
        parseMagicMimeFileLocation((String) it.next());
    }

    if (mMagicMimeEntriesSizeBeforeReadingOS == mMagicMimeEntries.size()) {
        // Use the magic.mime that we ship
        try {
            String resource = "eu/medsea/mimeutil/magic.mime";
            in = MimeUtil.class.getClassLoader().getResourceAsStream(resource);
            if (in != null) {
                try {
                    parse("resource:" + resource, new InputStreamReader(in));
                } catch (Exception ex) {
                    log.error("Failed to parse internal magic.mime file.", ex);
                }
            }
        } catch (Exception e) {
            log.error("Problem while processing internal magic.mime file.", e);
        } finally {
            in = closeStream(in);
        }
    }
}

From source file:gov.nih.nci.cacisweb.util.CaCISUtil.java

/**
 * /*from ww w. ja  v a2  s .  c om*/
 * @param property
 * @param defaultValue
 * @return
 * @throws PropertyFileLoadException
 */
public static void setProperty(String propertyName, String propertyValue) throws CaCISWebException {

    URL propsUrl = CaCISUtil.class.getClassLoader().getResource(CaCISWebConstants.COM_PROPERTIES_FILE_NAME);
    File propertiesFile = new File(propsUrl.getPath());

    if (properties == null || propertiesFile.lastModified() > lastModified) {
        properties = new Properties();

        try {
            properties.load(propsUrl.openStream());
            properties.setProperty(propertyName, propertyValue);
            FileOutputStream fileOutputStream = new FileOutputStream(new File(propsUrl.getPath()));
            properties.store(fileOutputStream, "Updated Property: " + propertyName);
        } catch (FileNotFoundException ex) {
            throw new CaCISWebException(
                    String.format("The properties file %s does not exist or is not readable|writable",
                            propertiesFile.getAbsolutePath()),
                    ex);
        } catch (IOException ex) {
            throw new CaCISWebException(String.format(
                    "An error was encountered while attempting to read|write the properties file %s",
                    propertiesFile.getAbsolutePath()), ex);
        }
    }
}

From source file:gov.nih.nci.cacisweb.util.CaCISUtil.java

/**
 * //from   ww  w .j  a  va2  s. c o m
 * @param property
 * @param defaultValue
 * @return
 * @throws PropertyFileLoadException
 */
public static String getProperty(String property, String defaultValue) throws CaCISWebException {

    URL propsUrl = CaCISUtil.class.getClassLoader().getResource(CaCISWebConstants.COM_PROPERTIES_FILE_NAME);
    File propertiesFile = new File(propsUrl.getPath());

    if (properties == null || propertiesFile.lastModified() > lastModified) {
        properties = new Properties();

        try {
            properties.load(propsUrl.openStream());
        } catch (FileNotFoundException ex) {
            throw new CaCISWebException(
                    String.format("The properties file %s does not exist or is not readable",
                            propertiesFile.getAbsolutePath()),
                    ex);
        } catch (IOException ex) {
            throw new CaCISWebException(
                    String.format("An error was encountered while attempting to read the properties file %s",
                            propertiesFile.getAbsolutePath()),
                    ex);
        }
    }

    log.debug(property + " = " + properties.getProperty(property, defaultValue));

    return properties.getProperty(property, defaultValue);
}