Example usage for java.lang ClassLoader getResourceAsStream

Introduction

In this page you can find the example usage for java.lang ClassLoader getResourceAsStream.

Prototype

public InputStream getResourceAsStream(String name) 

Source Link

Document

Returns an input stream for reading the specified resource.

Usage

From source file:org.n52.movingcode.runtime.processors.config.ProcessorConfig.java

/**
 * Properties reader/*from  w w  w . ja  v  a 2 s.c o  m*/
 * 
 * @return
 */
private static final HashMap<String, ProcessorDescription> readProperties() {
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    InputStream is = classLoader.getResourceAsStream(configFile);

    HashMap<String, ProcessorDescription> processorMap = new HashMap<String, ProcessorDescription>();

    JsonFactory f = new JsonFactory();
    JsonParser jp;

    try {
        jp = f.createParser(is);
        jp.nextToken(); // will return JsonToken.START_OBJECT
        while (jp.nextToken() != END_OBJECT) {
            String field = jp.getCurrentName();

            if (field.equalsIgnoreCase(KEY_PROCESSORS)) {
                // get next token, make sure it is the beginning of an array
                if (jp.nextToken() != START_ARRAY) {
                    break;
                }

                while (jp.nextToken() != END_ARRAY) {
                    // do the parsing
                    if (jp.getCurrentToken() == START_OBJECT) {
                        ProcessorDescription p = parseProcessorJSON(jp);
                        // only add those processor that have a valid ID
                        if (p.getId() != null) {
                            processorMap.put(p.getId(), p);
                        }
                    }

                }

            } else {
                if (field.equalsIgnoreCase(KEY_DEFAULTS)) {
                    // parse defaults
                    ProcessorDescription p = parseProcessorJSON(jp);
                    p.setId(DEFAULT_PROCESSOR_CONFIG_ID);
                    processorMap.put(p.getId(), p);
                }
            }

        }
    } catch (JsonParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return processorMap;
}

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From source file:Main.java

public static InputStream getResourceAsStream(String name, Class clazz) {
    ClassLoader loader;
    InputStream retval = null;/*from w  w w . j a v a  2  s  .  co m*/

    // https://issues.jboss.org/browse/JGRP-1762: load the classloader from the defining class first
    if (clazz != null) {
        try {
            loader = clazz.getClassLoader();
            if (loader != null) {
                retval = loader.getResourceAsStream(name);
                if (retval != null)
                    return retval;
            }
        } catch (Throwable t) {
        }
    }

    try {
        loader = Thread.currentThread().getContextClassLoader();
        if (loader != null) {
            retval = loader.getResourceAsStream(name);
            if (retval != null)
                return retval;
        }
    } catch (Throwable t) {
    }

    try {
        loader = ClassLoader.getSystemClassLoader();
        if (loader != null) {
            return loader.getResourceAsStream(name);
        }
    } catch (Throwable t) {
    }

    return retval;
}

---

From source file:com.cablevision.util.sso.UtilSSO.java

/**
 * Creates a PublicKey from the specified public key file and algorithm.
 * Returns null if failure to generate PublicKey.
 * /* www.  j  av a2 s.  c o m*/
 * @param publicKeyFilepath location of public key file
 * @param algorithm algorithm of specified key file
 * @return PublicKey object representing contents of specified public key
 *         file, null if error in generating key or invalid file specified
 */
public static PublicKey getPublicKey(String publicKeyFilepath, String algorithm) throws SamlException {
    try {
        InputStream pubKey = null;

        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        pubKey = cl.getResourceAsStream(publicKeyFilepath);

        byte[] bytes = IOUtils.toByteArray(pubKey);

        pubKey.close();

        System.out.println("Private bytes: " + Arrays.toString(bytes));

        pubKey.close();
        X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(bytes);
        KeyFactory factory = KeyFactory.getInstance(algorithm);
        return factory.generatePublic(pubSpec);
    } catch (FileNotFoundException e) {
        throw new SamlException("ERROR: Public key file not found - " + publicKeyFilepath);
    } catch (IOException e) {
        throw new SamlException("ERROR: Invalid public key file - " + e.getMessage());
    } catch (NoSuchAlgorithmException e) {
        throw new SamlException("ERROR: Invalid public key algorithm - " + e.getMessage());
    } catch (InvalidKeySpecException e) {
        throw new SamlException("ERROR: Invalid public key spec - " + e.getMessage());
    }
}

---

From source file:com.cablevision.util.sso.UtilSSO.java

/**
 * Creates a PrivateKey from the specified public key file and algorithm.
 * Returns null if failure to generate PrivateKey.
 * //from w ww  .ja  v  a 2 s. com
 * @param PrivateKeyFilepath location of public key file
 * @param algorithm algorithm of specified key file
 * @return PrivateKey object representing contents of specified private key
 *         file, null if error in generating key or invalid file specified
 */
public static PrivateKey getPrivateKey(String privateKeyFilepath, String algorithm) throws SamlException {
    try {
        InputStream privKey = null;

        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        privKey = cl.getResourceAsStream(privateKeyFilepath);

        byte[] bytes = IOUtils.toByteArray(privKey);

        privKey.close();

        System.out.println("Private bytes: " + Arrays.toString(bytes));

        PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(bytes);
        KeyFactory factory = KeyFactory.getInstance(algorithm);
        return factory.generatePrivate(privSpec);
    } catch (FileNotFoundException e) {
        throw new SamlException("ERROR: Private key file not found - " + privateKeyFilepath);
    } catch (IOException e) {
        throw new SamlException("ERROR: Invalid private key file - " + e.getMessage());
    } catch (NoSuchAlgorithmException e) {
        throw new SamlException("ERROR: Invalid private key algorithm - " + e.getMessage());
    } catch (InvalidKeySpecException e) {
        throw new SamlException("ERROR: Invalid private key spec - " + e.getMessage());
    }
}

---

From source file:org.apache.pdfbox.pdmodel.font.encoding.GlyphList.java

/**
 * Loads a glyph list from disk.// w  ww .  j  av  a 2  s .c o m
 */
private static GlyphList load(String filename) {
    ClassLoader loader = GlyphList.class.getClassLoader();
    String path = "org/apache/pdfbox/resources/glyphlist/";
    try {
        return new GlyphList(loader.getResourceAsStream(path + filename));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.apache.hadoop.hbase.zookeeper.ZKConfig.java

/**
 * Make a Properties object holding ZooKeeper config.
 * Parses the corresponding config options from the HBase XML configs
 * and generates the appropriate ZooKeeper properties.
 * @param conf Configuration to read from.
 * @return Properties holding mappings representing ZooKeeper config file.
 *//*from w ww  . ja va 2  s.co m*/
public static Properties makeZKProps(Configuration conf) {
    if (conf.getBoolean(HConstants.HBASE_CONFIG_READ_ZOOKEEPER_CONFIG, false)) {
        LOG.warn("Parsing ZooKeeper's " + HConstants.ZOOKEEPER_CONFIG_NAME + " file for ZK properties "
                + "has been deprecated. Please instead place all ZK related HBase "
                + "configuration under the hbase-site.xml, using prefixes " + "of the form '"
                + HConstants.ZK_CFG_PROPERTY_PREFIX + "', and " + "set property '"
                + HConstants.HBASE_CONFIG_READ_ZOOKEEPER_CONFIG + "' to false");
        // First check if there is a zoo.cfg in the CLASSPATH. If so, simply read
        // it and grab its configuration properties.
        ClassLoader cl = HQuorumPeer.class.getClassLoader();
        final InputStream inputStream = cl.getResourceAsStream(HConstants.ZOOKEEPER_CONFIG_NAME);
        if (inputStream != null) {
            try {
                return parseZooCfg(conf, inputStream);
            } catch (IOException e) {
                LOG.warn("Cannot read " + HConstants.ZOOKEEPER_CONFIG_NAME + ", loading from XML files", e);
            }
        }
    } else {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Skipped reading ZK properties file '" + HConstants.ZOOKEEPER_CONFIG_NAME + "' since '"
                    + HConstants.HBASE_CONFIG_READ_ZOOKEEPER_CONFIG + "' was not set to true");
        }
    }

    // Otherwise, use the configuration options from HBase's XML files.
    Properties zkProperties = new Properties();

    // Directly map all of the hbase.zookeeper.property.KEY properties.
    for (Entry<String, String> entry : new Configuration(conf)) { // copy for mt safety
        String key = entry.getKey();
        if (key.startsWith(HConstants.ZK_CFG_PROPERTY_PREFIX)) {
            String zkKey = key.substring(HConstants.ZK_CFG_PROPERTY_PREFIX_LEN);
            String value = entry.getValue();
            // If the value has variables substitutions, need to do a get.
            if (value.contains(VARIABLE_START)) {
                value = conf.get(key);
            }
            zkProperties.put(zkKey, value);
        }
    }

    // If clientPort is not set, assign the default.
    if (zkProperties.getProperty(HConstants.CLIENT_PORT_STR) == null) {
        zkProperties.put(HConstants.CLIENT_PORT_STR, HConstants.DEFAULT_ZOOKEPER_CLIENT_PORT);
    }

    // Create the server.X properties.
    int peerPort = conf.getInt("hbase.zookeeper.peerport", 2888);
    int leaderPort = conf.getInt("hbase.zookeeper.leaderport", 3888);

    final String[] serverHosts = conf.getStrings(HConstants.ZOOKEEPER_QUORUM, HConstants.LOCALHOST);
    for (int i = 0; i < serverHosts.length; ++i) {
        String serverHost = serverHosts[i];
        String address = serverHost + ":" + peerPort + ":" + leaderPort;
        String key = "server." + i;
        zkProperties.put(key, address);
    }

    return zkProperties;
}

---

From source file:TestXjc.java

/**
 * @param input//w w  w.  j  av a 2 s  . com
 * @return
 * @throws InstantiationException
 * @throws IllegalAccessException
 * @throws ClassNotFoundException
 * @throws XQException
 * @throws XMLStreamException
 * @throws ParserConfigurationException
 * @throws SAXException
 * @throws IOException
 */
/*@SuppressWarnings("restriction")
private static String processXquery1(String input)
throws InstantiationException, IllegalAccessException, ClassNotFoundException, XQException, XMLStreamException, ParserConfigurationException, SAXException, IOException{
   XQDataSource xqds = new SaxonXQDataSource();
   XQConnection conn = xqds.getConnection();
   String str="";
   XQExpression xqe;
   XQSequence xqs;
   xqe = conn.createExpression();
   xqs=xqe.executeQuery("doc('src/main/resources/example/i2b2/i2b2medspod.txt')//observation");
           
   while (xqs.next()) {
 System.out.println(xqs.getSequenceAsString(null));
 //str+=xqs.getAtomicValue();
 }
   //return str;
           
           
   //
           
   InputStream query;
   query = new FileInputStream("src/main/resources/transform/I2b2ToFhir/i2b2MedsToFHIRMeds.xquery");
   xqe = conn.createExpression();
   xqs = xqe.executeQuery(query);
           
   //
           
    String query = getFile("transform/I2b2ToFhir/i2b2MedsToFHIRMeds.xquery");
    XQPreparedExpression expr = conn.prepareExpression(query); 
    input=getFile("example/i2b2/i2b2medspod.txt");
    //System.out.println("processsing:"+input);
           
            
            
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);
        
    DocumentBuilder parser = factory.newDocumentBuilder();
    InputStream stream = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8));
    Document domDocument = parser.parse(stream);
             
    expr.bindNode(new QName("doc"), domDocument,null);
            
    xqs=expr.executeQuery();
    while (xqs.next()) {
    System.out.println(xqs.getSequenceAsString(null));
    //str+=xqs.getAtomicValue();
    }
         
    return str;
   //
    Reader reader = new StringReader(input);
    XMLInputFactory factory = XMLInputFactory.newInstance(); // Or newFactory()
    XMLStreamReader xmlReader = factory.createXMLStreamReader(reader);
            
  expr.bindDocument(new QName("doc"), xmlReader, null);
           
    String query = "declare variable $x as xs:integer external; "
          +sep+" for $n in $x"+
          sep +" return  <test>$n+1</test>";
            
   XQPreparedExpression expr = conn.prepareExpression(query); 
   expr.bindInt(new QName("x"), 21, null);
   //
            
   // Bind a value (21) to an external variable with the QName x
            
   // Execute the XQuery expression
   //XQExpression expr = conn.createExpression();
           
           
   //XQSequence result = expr.executeQuery();
//System.out.println(result.getSequenceAsString(null));
        
   //return result.getSequenceAsString(null);
           
}
*/

public static String getFile(String fileName) {

    String result = "";

    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    try {
        result = IOUtils.toString(classLoader.getResourceAsStream(fileName));
    } catch (IOException e) {
        e.printStackTrace();
    }

    return result;

}

---

From source file:com.cablevision.util.sso.UtilSSO.java

/**
 * Returns a String containing the contents of the file located at the
 * specified path.// w  w w  .j  ava  2 s .  c om
 * 
 * @param path location of file to be read
 * @return String containing contents of file, null if error reading file
 * @throws IOException
 */
public static String readFileContents(String path) throws SamlException {
    StringBuffer contents = new StringBuffer();
    BufferedReader input = null;
    try {
        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        java.io.InputStream is = cl.getResourceAsStream(path);
        input = new BufferedReader(new InputStreamReader(is));
        String line = null;
        while ((line = input.readLine()) != null) {
            contents.append(line);
        }
        input.close();
        return contents.toString();
    } catch (FileNotFoundException e) {
        throw new SamlException("File not found: " + path);
    } catch (IOException e) {
        throw new SamlException("Error reading file: " + path);
    }
}

---

From source file:biz.netcentric.cq.tools.actool.configReader.YamlConfigReaderTest.java

static String getTestConfigAsString(final String resourceName) throws IOException {
    final ClassLoader classloader = Thread.currentThread().getContextClassLoader();
    final InputStream is = classloader.getResourceAsStream(resourceName);

    final StringWriter stringWriter = new StringWriter();
    IOUtils.copy(is, stringWriter, "UTF-8");
    return stringWriter.toString();
}

---

From source file:org.apache.hadoop.hbase.zookeeper.HQuorumPeer.java

/**
 * Make a Properties object holding ZooKeeper config equivalent to zoo.cfg.
 * If there is a zoo.cfg in the classpath, simply read it in. Otherwise parse
 * the corresponding config options from the HBase XML configs and generate
 * the appropriate ZooKeeper properties.
 * @param conf Configuration to read from.
 * @return Properties holding mappings representing ZooKeeper zoo.cfg file.
 *///from  w ww . j a  va2s  . co  m
public static Properties makeZKProps(Configuration conf) {
    // First check if there is a zoo.cfg in the CLASSPATH. If so, simply read
    // it and grab its configuration properties.
    ClassLoader cl = HQuorumPeer.class.getClassLoader();
    final InputStream inputStream = cl.getResourceAsStream(HConstants.ZOOKEEPER_CONFIG_NAME);
    if (inputStream != null) {
        try {
            return parseZooCfg(conf, inputStream);
        } catch (IOException e) {
            LOG.warn("Cannot read " + HConstants.ZOOKEEPER_CONFIG_NAME + ", loading from XML files", e);
        }
    }

    // Otherwise, use the configuration options from HBase's XML files.
    Properties zkProperties = new Properties();

    // Directly map all of the hbase.zookeeper.property.KEY properties.
    for (Entry<String, String> entry : conf) {
        String key = entry.getKey();
        if (key.startsWith(HConstants.ZK_CFG_PROPERTY_PREFIX)) {
            String zkKey = key.substring(ZK_CLIENT_PORT_KEY_PREFIX_LENGTH);
            String value = entry.getValue();
            // If the value has variables substitutions, need to do a get.
            if (value.contains(VARIABLE_START)) {
                value = conf.get(key);
            }
            zkProperties.put(zkKey, value);
        }
    }

    // If clientPort is not set, assign the default.
    if (zkProperties.getProperty(HConstants.CLIENT_PORT_STR) == null) {
        zkProperties.put(HConstants.CLIENT_PORT_STR, HConstants.DEFAULT_ZOOKEPER_CLIENT_PORT);
    }

    // Create the server.X properties.
    int peerPort = conf.getInt("hbase.zookeeper.peerport", 2888);
    int leaderPort = conf.getInt("hbase.zookeeper.leaderport", 3888);

    final String[] serverHosts = conf.getStrings(HConstants.ZOOKEEPER_QUORUM, "localhost");
    for (int i = 0; i < serverHosts.length; ++i) {
        String serverHost = serverHosts[i];
        String address = serverHost + ":" + peerPort + ":" + leaderPort;
        String key = "server." + i;
        zkProperties.put(key, address);
    }

    LOG.trace("Created ZK properties: " + zkProperties);
    return zkProperties;
}

---

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