Example usage for java.lang ClassLoader getClass

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:com.opensymphony.xwork2.util.LocalizedTextUtil.java

private static void clearTomcatCache() {
    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    // no need for compilation here.
    Class cl = loader.getClass();

    try {/*from  ww  w .j  a v  a  2s. c o  m*/
        if ("org.apache.catalina.loader.WebappClassLoader".equals(cl.getName())) {
            clearMap(cl, loader, "resourceEntries");
        } else {
            if (LOG.isDebugEnabled()) {
                LOG.debug("class loader " + cl.getName() + " is not tomcat loader.");
            }
        }
    } catch (Exception e) {
        if (LOG.isWarnEnabled()) {
            LOG.warn("couldn't clear tomcat cache", e);
        }
    }
}

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From source file:ThreadDemo.java

public void run() {

    // returns the context ClassLoader for this Thread
    ClassLoader c = getContextClassLoader();

    // sets the context ClassLoader for this Thread
    setContextClassLoader(c);//from  w  w  w  .  ja v a 2 s . c om
    System.out.println("Class = " + c.getClass());
    System.out.println("Parent = " + c.getParent());
}

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From source file:Main.java

ThreadDemo() {

    Thread t = new Thread(this);
    t.start();//ww  w .  ja v  a 2 s  .  com
    ClassLoader c = t.getContextClassLoader();
    // sets the context ClassLoader for this Thread
    t.setContextClassLoader(c);
    System.out.println("Class = " + c.getClass());
    System.out.println("Parent = " + c.getParent());
}

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From source file:org.jboss.snowdrop.context.support.JBossJcaResourceAdapterParser.java

@Override
protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
    ClassLoader classLoader = getClass().getClassLoader();
    if (classLoader.getClass().getName().startsWith("org.jboss.classloader")) {
        BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition();
        builder.getRawBeanDefinition().setFactoryBeanName(DEFAULT_JBOSS_MBEAN_SERVER_BEAN_NAME);
        builder.getRawBeanDefinition().setFactoryMethodName(FACTORY_METHOD_NAME);
        try {/*from   www.  j  a va  2 s.co  m*/
            builder.addConstructorArgValue(ObjectName.getInstance(DEFAULT_JCA_MBEAN_NAME));
        } catch (MalformedObjectNameException e) {
            throw new IllegalArgumentException(e);
        }
        builder.addConstructorArgValue("ResourceAdapter");
        return builder.getBeanDefinition();
    } else {
        BeanDefinitionBuilder builder = BeanDefinitionBuilder
                .rootBeanDefinition("org.jboss.snowdrop.context.support.ActivatorHolder");
        builder.setFactoryMethod("getResourceAdapter");
        return builder.getBeanDefinition();
    }
}

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From source file:com.opensymphony.xwork2.util.DefaultLocalizedTextProvider.java

private static void clearTomcatCache() {
    ClassLoader loader = getCurrentThreadContextClassLoader();
    // no need for compilation here.
    Class cl = loader.getClass();

    try {//from   w  w w.  j a va  2 s.  co m
        if ("org.apache.catalina.loader.WebappClassLoader".equals(cl.getName())) {
            clearMap(cl, loader, TOMCAT_RESOURCE_ENTRIES_FIELD);
        } else {
            LOG.debug("Class loader {} is not tomcat loader.", cl.getName());
        }
    } catch (NoSuchFieldException nsfe) {
        if ("org.apache.catalina.loader.WebappClassLoaderBase".equals(cl.getSuperclass().getName())) {
            LOG.debug("Base class {} doesn't contain '{}' field, trying with parent!", cl.getName(),
                    TOMCAT_RESOURCE_ENTRIES_FIELD, nsfe);
            try {
                clearMap(cl.getSuperclass(), loader, TOMCAT_RESOURCE_ENTRIES_FIELD);
            } catch (Exception e) {
                LOG.warn("Couldn't clear tomcat cache using {}", cl.getSuperclass().getName(), e);
            }
        }
    } catch (Exception e) {
        LOG.warn("Couldn't clear tomcat cache", cl.getName(), e);
    }
}

---

From source file:at.ac.tuwien.infosys.jcloudscale.test.unit.ClassLoaderTest.java

InputStream getInputStream(ClassLoader classLoader) {
    Method method = findMethod(classLoader.getClass(), "getRemoteResourceAsStream", (Class<?>[]) null);
    makeAccessible(method);/*from w  w w. j  ava  2s.c o m*/
    return (InputStream) invokeMethod(method, classLoader, RESOURCE);
}

---

From source file:com.thoughtworks.go.agent.common.util.ParentClassAccessFilteringClassloader.java

@Override
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
    if (permittedParentDefns.length == 0) {
        return super.loadClass(name, false);
    }//from  w w w . j a v  a  2 s.  com
    for (Class permittedParentDefn : permittedParentDefns) {
        if (permittedParentDefn.getCanonicalName().equals(name)) {
            ClassLoader parent = getParent();
            LOG.info(String.format("Loading %s using %s", name,
                    parent == null ? "null classloader" : parent.getClass().getCanonicalName()));
            return super.loadClass(name, false);
        }
    }
    return getSystemClassLoader().loadClass(name);
}

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From source file:at.ac.tuwien.infosys.jcloudscale.test.unit.ClassLoaderTest.java

@Test(timeout = TIMEOUT)
public void testSystemClassLoader() throws Exception {

    SystemClassLoaderConfiguration classLoaderConfiguration = new SystemClassLoaderConfiguration();
    startup(classLoaderConfiguration);/*w  ww  . j a  va2  s  . c  o m*/

    ClassLoader classLoader = classLoaderConfiguration.createClassLoader();
    assertSame(ClassLoader.getSystemClassLoader().getClass(), classLoader.getClass());

    InputStream stream = classLoader.getResourceAsStream(RESOURCE);
    assertNotNull(stream);
    assertEquals(CONTENT, IOUtils.toString(stream));
}

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From source file:net.sf.nmedit.jtheme.JTContext.java

public void setUIDefaultsClassLoader(ClassLoader loader) {
    Log log = getLogger();//from   w  w  w .j av  a  2s . com
    if (log.isInfoEnabled()) {
        Class<?> loaderClass = loader == null ? null : loader.getClass();

        log.info("Setting UIDefaults ClassLoader in " + this + ": " + loader + " (" + loaderClass + ")");
    }

    getUIDefaults().put(UIDefaultsClassLoaderKey, loader);
}

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From source file:com.github.drochetti.javassist.maven.ClassTransformer.java

private void debugClassLoader(final ClassPool classPool) {
    if (!logger.isDebugEnabled()) {
        return;/*from w w w .  j  a  v a  2  s .c  o  m*/
    }
    logger.debug(" - classPool: " + classPool.toString());
    ClassLoader classLoader = classPool.getClassLoader();
    while (classLoader != null) {
        logger.debug(" -- " + classLoader.getClass().getName() + ": " + classLoader.toString());
        if (classLoader instanceof URLClassLoader) {
            logger.debug(" --- urls: " + Arrays.deepToString(((URLClassLoader) classLoader).getURLs()));
        }
        classLoader = classLoader.getParent();
    }
}

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