Example usage for java.lang ClassLoader loadClass

Introduction

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

Prototype

public Class<?> loadClass(String name) throws ClassNotFoundException

Source Link

Document

Loads the class with the specified binary name.

Usage

From source file:org.jsonschema2pojo.integration.config.PrefixSuffixIT.java

@Test
public void defaultClassSufix() throws ClassNotFoundException {

    ClassLoader resultsClassLoader = generateAndCompile("/schema/properties/primitiveProperties.json",
            "com.example");
    resultsClassLoader.loadClass("com.example.PrimitiveProperties");
}

From source file:Main.java

public static Class loadClass(String className, ClassLoader classLoader) throws ClassNotFoundException {
    try {//from  w  ww  .  j  a  va 2s.  c  o  m
        char start = className.charAt(0);
        if (start == '[') {
            return Class.forName(className);
        }
        if (className.equals("boolean")) {
            return boolean.class;
        }
        if (className.equals("byte")) {
            return byte.class;
        }
        if (className.equals("char")) {
            return char.class;
        }
        if (className.equals("short")) {
            return short.class;
        }
        if (className.equals("int")) {
            return int.class;
        }
        if (className.equals("long")) {
            return long.class;
        }
        if (className.equals("float")) {
            return float.class;
        }
        if (className.equals("double")) {
            return double.class;
        }
        if (className.equals("void")) {
            return void.class;
        }
        return Class.forName(className);
    } catch (ClassNotFoundException e) {
        return classLoader.loadClass(className);
    }
}

From source file:org.ops4j.pax.carrot.spring.SpringTestContextFixtureLoader.java

private Object createTarget(String fixtureName) {
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    try {//from   w w w.j av a 2s. co  m
        Class<?> klass = cl.loadClass(fixtureName);
        Object target = klass.newInstance();
        return target;
    } catch (ClassNotFoundException exc) {
        throw new CarrotException(exc);
    } catch (InstantiationException exc) {
        throw new CarrotException(exc);
    } catch (IllegalAccessException exc) {
        throw new CarrotException(exc);
    }
}

From source file:com.espertech.esper.util.ObjectInputStreamWithTCCL.java

@Override
public Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {

    if (log.isDebugEnabled()) {
        log.debug("Resolving class " + desc.getName() + " id " + desc.getSerialVersionUID() + " classloader "
                + Thread.currentThread().getContextClassLoader().getClass());
    }/*from   w  w  w . j  av a 2s .c  om*/

    ClassLoader currentTccl = null;
    try {
        currentTccl = Thread.currentThread().getContextClassLoader();
        if (currentTccl != null) {
            return currentTccl.loadClass(desc.getName());
        }
    } catch (Exception e) {
    }
    return super.resolveClass(desc);
}

From source file:com.liferay.maven.arquillian.internal.tasks.ExecuteDeployerTask.java

protected void initUtils(ClassLoader classLoader) throws Exception {

    Class<?> clazz = classLoader.loadClass("com.liferay.portal.util.EntityResolver");

    EntityResolver entityResolver = (EntityResolver) clazz.newInstance();

    SAXReaderUtil.setEntityResolver(entityResolver);
}

From source file:ResourceBundleSupport.java

/**
 * Tries to create a new instance of the given class. This is a short cut
 * for the common bean instantiation code.
 *
 * @param className the class name as String, never null.
 * @param source    the source class, from where to get the classloader.
 * @return the instantiated object or null, if an error occured.
 *//*w  ww.j a v a  2s .  com*/
public static Object loadAndInstantiate(final String className, final Class source) {
    try {
        final ClassLoader loader = getClassLoader(source);
        final Class c = loader.loadClass(className);
        return c.newInstance();
    } catch (Exception e) {
        return null;
    }
}

From source file:ResourceBundleSupport.java

/**
 * Tries to create a new instance of the given class. This is a short cut
 * for the common bean instantiation code. This method is a type-safe method
 * and will not instantiate the class unless it is an instance of the given
 * type./*from  w  w  w  .j a  v  a2s  . c  o  m*/
 *
 * @param className the class name as String, never null.
 * @param source    the source class, from where to get the classloader.
 * @param type  the type.
 * @return the instantiated object or null, if an error occurred.
 */
public static Object loadAndInstantiate(final String className, final Class source, final Class type) {
    try {
        final ClassLoader loader = getClassLoader(source);
        final Class c = loader.loadClass(className);
        if (type.isAssignableFrom(c)) {
            return c.newInstance();
        }
    } catch (Exception e) {
        return null;
    }
    return null;
}

From source file:com.liferay.arquillian.maven.internal.tasks.ExecuteDeployerTask.java

protected void initUtils(ClassLoader classLoader) throws Exception {
    Class<?> clazz = classLoader.loadClass("com.liferay.portal.util.EntityResolver");

    EntityResolver entityResolver = (EntityResolver) clazz.newInstance();

    SAXReaderUtil.setEntityResolver(entityResolver);
}

From source file:com.ocpsoft.pretty.faces.el.resolver.SeamBeanNameResolver.java

public boolean init(ServletContext servletContext, ClassLoader classLoader) {

    try {/*ww w  .  jav  a2s.  c o m*/
        // get Seam class
        Class<?> seamClass = classLoader.loadClass(SEAM_CLASS);

        // get getComponentName method
        getComponentNameMethod = seamClass.getMethod(GET_COMPONENT_NAME_METHOD, Class.class);

        // initialization completed
        if (log.isDebugEnabled()) {
            log.debug("Seam environment detected. Enabling bean name resolving via Seam.");
        }
        return true;

    } catch (ClassNotFoundException e) {
        // Will happen in enviroments without Seam
        if (log.isDebugEnabled()) {
            log.debug("Seam class has not been found. Seam resolver will be disabled.");
        }
    } catch (NoSuchMethodException e) {
        // This method is expected on the Seam class
        log.warn("Cannot find method getComponentName() on Seam class.", e);
    } catch (SecurityException e) {
        log.warn("Unable to init resolver due to security restrictions", e);
    }

    // disable resolver
    return false;

}

From source file:de.micromata.genome.gwiki.plugin.CombinedClassLoader.java

@Override
public Class<?> loadClass(String name) throws ClassNotFoundException {
    for (ClassLoader cl : parents) {
        try {//from  w ww.  jav  a 2  s  .c  om
            Class<?> cls = cl.loadClass(name);
            return cls;
        } catch (ClassNotFoundException ign) {
        } catch (NoClassDefFoundError ign2) {

        }

    }
    throw new ClassNotFoundException(name);
}