Example usage for java.lang ClassLoader getResource

Introduction

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

Prototype

public URL getResource(String name) 

Source Link

Document

Finds the resource with the given name.

Usage

From source file:io.apiman.manager.api.jdbc.JdbcMetricsAccessorTest.java

/**
 * Initialize the DB with the apiman gateway DDL.
 * @param connection//  www.ja v  a2  s  . c  om
 */
private static void initDB(Connection connection) throws Exception {
    ClassLoader cl = JdbcMetricsAccessorTest.class.getClassLoader();
    URL resource = cl.getResource("ddls/apiman-gateway_h2.ddl");
    try (InputStream is = resource.openStream()) {
        System.out.println("=======================================");
        System.out.println("Initializing database.");
        DdlParser ddlParser = new DdlParser();
        List<String> statements = ddlParser.parse(is);
        for (String sql : statements) {
            System.out.println(sql);
            PreparedStatement statement = connection.prepareStatement(sql);
            statement.execute();
        }
        System.out.println("=======================================");
    }

    System.out.println("--------------------------------------");
    System.out.println("Adding test data to the database.");
    resource = cl.getResource("JdbcMetricsAccessorTest/bulk-data.ddl");
    try (InputStream is = resource.openStream()) {
        DdlParser ddlParser = new DdlParser();
        List<String> statements = ddlParser.parse(is);
        for (String sql : statements) {
            System.out.println(sql);
            PreparedStatement statement = connection.prepareStatement(sql);
            statement.execute();
        }
    }
    System.out.println("--------------------------------------");
}

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From source file:io.apiman.gateway.test.junit.servlet.ServletGatewayTestServer.java

/**
 * Initialize the DB with the apiman gateway DDL.
 * @param connection/*from   w  w  w  .j  av  a2 s .com*/
 */
private static void initDB(Connection connection) throws Exception {
    ClassLoader cl = ServletGatewayTestServer.class.getClassLoader();
    URL resource = cl.getResource("ddls/apiman-gateway_h2.ddl");
    try (InputStream is = resource.openStream()) {
        DdlParser ddlParser = new DdlParser();
        List<String> statements = ddlParser.parse(is);
        for (String sql : statements) {
            PreparedStatement statement = connection.prepareStatement(sql);
            statement.execute();
        }
    }
}

---

From source file:org.agiso.core.lang.util.ClassUtils.java

public static String locate(String name, ClassLoader cl) /*throws ClassNotFoundException*/ {
    final URL location;
    final String classLocation = name.replace('.', '/') + ".class";

    if (cl == null) {
        location = ClassLoader.getSystemResource(classLocation);
    } else {/*from  w w w  . j a v a2  s  . co  m*/
        location = cl.getResource(classLocation);
    }

    if (location != null) {
        Pattern p = Pattern.compile("^.*:(.*)!.*$");
        Matcher m = p.matcher(location.toString());
        if (m.find()) {
            return m.group(1);
        } else {
            if (logger.isLoggable(Level.WARNING)) {
                logger.warning(
                        "Cannot parse location of '" + location + "'. " + "Probably not loaded from a Jar");
            }
            // throw new ClassNotFoundException("Cannot parse location of '"
            //       + location + "'.  Probably not loaded from a Jar");
            return null;
        }
    } else {
        if (logger.isLoggable(Level.WARNING)) {
            logger.warning("Cannot find class '" + name + " using the " + cl);
        }
        // throw new ClassNotFoundException("Cannot find class '"
        //       + name + " using the " + cl);
        return null;
    }
}

---

From source file:ffx.Main.java

/**
 * Print out help for the command line version of Force Field X.
 *///from   w w  w.jav a  2s .  com
private static void commandLineInterfaceHelp() {
    logger.info(" usage: ffxc [-D<property=value>] <command> [-options] <PDB|XYZ>");
    logger.info("\n where commands include:\n");
    ClassLoader classLoader = ClassLoader.getSystemClassLoader();
    classLoader.getResource("List all scripts");
    logger.info("\n For help on a spcific command: ffxc command -h\n");
    System.exit(0);
}

---

From source file:org.apache.axis2.util.Loader.java

/**
 * Gets the resource with the specified class loader.
 *
 * @param loader//from  w  ww.  j av  a2 s .co  m
 * @param resource
 * @return Returns URL.
 * @throws ClassNotFoundException
 */
static public URL getResource(ClassLoader loader, String resource) throws ClassNotFoundException {
    URL url = null;
    try {
        if (loader != null) {
            log.debug("Trying to find [" + resource + "] using " + loader + " class loader.");
            url = loader.getResource(resource);
            if (url != null) {
                return url;
            }
        }
    } catch (Throwable t) {
        log.warn("Caught Exception while in Loader.getResource. This may be innocuous.", t);
    }
    return getResource(resource);
}

---

From source file:io.apiman.gateway.test.junit.servlet.ServletGatewayTestServer.java

/**
 * Loads the config file./* ww  w .ja v a 2 s .  c o  m*/
 * @param configFile
 */
private static Properties loadConfigFile(String configFile) {
    // Try loading as a URL first.
    try {
        URL url = new URL(configFile);
        try (InputStream is = url.openStream()) {
            Properties props = new Properties();
            props.load(is);
            return props;
        }
    } catch (IOException e) {
        // Move on to the next type.
        System.out.println("Tried to load config file as a URL but failed: " + configFile);
    }

    // Now try loading as a resource.
    ClassLoader cl = ServletGatewayTestServer.class.getClassLoader();
    URL resource = cl.getResource(configFile);
    if (resource == null) {
        resource = cl.getResource("test-configs/" + configFile);
    }
    try {
        try (InputStream is = resource.openStream()) {
            Properties props = new Properties();
            props.load(is);
            return props;
        }
    } catch (Exception e) {
        // Move on to the next type.
        System.out.println("Tried to load config file as a resource but failed: " + configFile);
    }

    throw new RuntimeException("Failed to load referenced config: " + configFile);
}

---

From source file:com.appleframework.jmx.connector.framework.ConnectorRegistry.java

@SuppressWarnings("deprecation")
private static ConnectorRegistry create(ApplicationConfig config) throws Exception {

    Map<String, String> paramValues = config.getParamValues();
    String appId = config.getApplicationId();
    String connectorId = (String) paramValues.get("connectorId");

    File file1 = new File(CoreUtils.getConnectorDir() + File.separatorChar + connectorId);

    URL[] urls = new URL[] { file1.toURL() };
    ClassLoader cl = ClassLoaderRepository.getClassLoader(urls, true);

    //URLClassLoader cl = new URLClassLoader(urls,
    //        ConnectorMBeanRegistry.class.getClassLoader());

    Registry.MODELER_MANIFEST = MBEANS_DESCRIPTOR;
    URL res = cl.getResource(MBEANS_DESCRIPTOR);

    logger.info("Application ID   : " + appId);
    logger.info("Connector Archive: " + file1.getAbsoluteFile());
    logger.info("MBean Descriptor : " + res.toString());

    //Thread.currentThread().setContextClassLoader(cl);
    //Registry.setUseContextClassLoader(true);

    ConnectorRegistry registry = new ConnectorRegistry();
    registry.loadMetadata(cl);//from  ww w.j a v  a  2s  . co m

    String[] mbeans = registry.findManagedBeans();

    MBeanServer server = MBeanServerFactory.newMBeanServer(DOMAIN_CONNECTOR);

    for (int i = 0; i < mbeans.length; i++) {
        ManagedBean managed = registry.findManagedBean(mbeans[i]);
        String clsName = managed.getType();
        String domain = managed.getDomain();
        if (domain == null) {
            domain = DOMAIN_CONNECTOR;
        }

        Class<?> cls = Class.forName(clsName, true, cl);
        Object objMBean = null;

        // Use the factory method when it is defined.
        Method[] methods = cls.getMethods();
        for (Method method : methods) {
            if (method.getName().equals(FACTORY_METHOD) && Modifier.isStatic(method.getModifiers())) {
                objMBean = method.invoke(null);
                logger.info("Create MBean using factory method.");
                break;
            }
        }

        if (objMBean == null) {
            objMBean = cls.newInstance();
        }

        // Call the initialize method if the MBean extends ConnectorSupport class
        if (objMBean instanceof ConnectorSupport) {
            Method method = cls.getMethod("initialize", new Class[] { Map.class });
            Map<String, String> props = config.getParamValues();
            method.invoke(objMBean, new Object[] { props });
        }
        ModelMBean mm = managed.createMBean(objMBean);

        String beanObjName = domain + ":name=" + mbeans[i];
        server.registerMBean(mm, new ObjectName(beanObjName));
    }

    registry.setMBeanServer(server);
    entries.put(appId, registry);
    return registry;
}

---

From source file:com.meyling.telnet.startup.Loader.java

/**
   This method will search for <code>resource</code> in different
   places. The search order is as follows:
        //w  w w. j a  va  2 s.  com
   <ol>
        
   <p><li>Search for <code>resource</code> using the thread context
   class loader under Java2. If that fails, search for
   <code>resource</code> using the class loader that loaded this
   class (<code>Loader</code>). Under JDK 1.1, only the the class
   loader that loaded this class (<code>Loader</code>) is used.
        
   <p><li>Try one last time with
   <code>ClassLoader.getSystemResource(resource)</code>, that is is
   using the system class loader in JDK 1.2 and virtual machine's
   built-in class loader in JDK 1.1.
        
   </ol>
*/
static public URL getResource(String resource) {
    ClassLoader classLoader = null;
    URL url = null;

    try {
        if (!java1) {
            classLoader = getTCL();
            if (classLoader != null) {
                trace.debug("Trying to find [" + resource + "] using context classloader " + classLoader + ".");
                url = classLoader.getResource(resource);
                if (url != null) {
                    return url;
                }
            }
        }

        // We could not find resource. Ler us now try with the
        // classloader that loaded this class.
        classLoader = Loader.class.getClassLoader();
        if (classLoader != null) {
            trace.debug("Trying to find [" + resource + "] using " + classLoader + " class loader.");
            url = classLoader.getResource(resource);
            if (url != null) {
                return url;
            }
        }
    } catch (Throwable t) {
        trace.warn(TSTR, t);
    }

    // Last ditch attempt: get the resource from the class path. It
    // may be the case that clazz was loaded by the Extentsion class
    // loader which the parent of the system class loader. Hence the
    // code below.
    trace.debug("Trying to find [" + resource + "] using ClassLoader.getSystemResource().");
    return ClassLoader.getSystemResource(resource);
}

---

From source file:Main.java

private static URL getRootUrlForClass(Class<?> cls) {
    ClassLoader classLoader = cls.getClassLoader();
    String resource = cls.getName().replace('.', '/') + ".class";
    if (classLoader == null) {
        // A null class loader means the bootstrap class loader. In this case we use the
        // system class loader. This is safe since we can assume that the system class
        // loader uses parent first as delegation policy.
        classLoader = ClassLoader.getSystemClassLoader();
    }//from w  w w.ja va  2 s.c  o  m
    URL url = classLoader.getResource(resource);
    if (url == null) {
        return null;
    }
    String file = url.getFile();
    if (file.endsWith(resource)) {
        try {
            return new URL(url.getProtocol(), url.getHost(), url.getPort(),
                    file.substring(0, file.length() - resource.length()));
        } catch (MalformedURLException ex) {
            return null;
        }
    } else {
        return null;
    }
}

---

From source file:org.callimachusproject.rdfa.test.RDFaGenerationTest.java

public static TestSuite suite() throws URISyntaxException {
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    URL path = cl.getResource(test_dir);
    File testDir = new File(path.toURI());
    if (testDir.exists() && testDir.isDirectory()) {
        TestSuite suite = listCases(testDir);
        suite.setName(RDFaGenerationTest.class.getName());
        return suite;
    }/*from   w  w  w .ja v a  2  s .c  o  m*/
    return new TestSuite(RDFaGenerationTest.class.getName());
}

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