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:com.jolbox.bonecp.spring.BoneCPNativeJdbcExtractor.java

/**
 * Default constructor./*  ww w  .j  a  va2 s  .  co m*/
 */
public BoneCPNativeJdbcExtractor() {
    final ClassLoader cl = getClass().getClassLoader();
    try {
        this.connectionHandleClass = cl.loadClass("com.jolbox.bonecp.ConnectionHandle");
        this.statementHandleClass = cl.loadClass("com.jolbox.bonecp.StatementHandle");
        this.getInternalConnectionMethod = this.connectionHandleClass.getMethod("getInternalConnection");
        this.getInternalStatementMethod = this.statementHandleClass.getMethod("getInternalStatement");
    } catch (Exception e) {
        throw new IllegalStateException("Failed to initialize because BoneCP API classes are not available", e);
    }
}

From source file:com.mulesoft.mql.impl.SelectEvaluator.java

private Object transformToPojo(String clsName, Map<String, Object> vars) {
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    try {/*from w ww  . j  a v  a  2  s . com*/
        Class<?> cls = cl.loadClass(clsName);
        Constructor<?> constructor;
        try {
            constructor = cls.getConstructor();
        } catch (NoSuchMethodException e) {
            throw new QueryException(
                    MessageFormat.format("Class {0} did not have an empty constructor.", clsName), e);
        }

        Object t = constructor.newInstance();
        for (Map.Entry<String, Serializable> e : compiledExpressions.entrySet()) {
            PropertyUtils.setProperty(t, e.getKey(), MVEL.executeExpression(e.getValue(), vars));
        }
        return t;
    } catch (ClassNotFoundException e1) {
        throw new QueryException(MessageFormat.format("Select class {0} was not found.", clsName), e1);
    } catch (Exception e) {
        throw new QueryException(e);
    }
}

From source file:framework.ResourceStoreClassLoader.java

protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
    // log.debug(getId() + " looking for: " + name);
    Class clazz = findLoadedClass(name);

    if (clazz == null) {
        clazz = fastFindClass(name);//  w  ww .j a v a  2  s  .  c  om

        if (clazz == null) {

            final ClassLoader parent = getParent();
            if (parent != null) {
                clazz = parent.loadClass(name);
                // log.debug(getId() + " delegating loading to parent: " +
                // name);
            } else {
                throw new ClassNotFoundException(name);
            }

        } else {
            // log.debug(getId() + " loaded from store: " + name);
        }
    }

    if (resolve) {
        resolveClass(clazz);
    }

    return clazz;
}

From source file:net.ion.radon.cload.stores.ResourceStoreClassLoader.java

@Override
protected synchronized Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
    // log.debug(getId() + " looking for: " + name);
    Class<?> clazz = findLoadedClass(name);

    if (clazz == null) {
        clazz = fastFindClass(name);//from w w  w  .j a v  a2  s .c  o m

        if (clazz == null) {

            final ClassLoader parent = getParent();
            if (parent != null) {
                clazz = parent.loadClass(name);
                // log.debug(getId() + " delegating loading to parent: " + name);
            } else {
                throw new ClassNotFoundException(name);
            }

        } else {
            log.debug(getId() + " loaded from store: " + name);
        }
    }

    if (resolve) {
        resolveClass(clazz);
    }

    return clazz;
}

From source file:net.kuujo.vertigo.io.selector.CustomSelector.java

private void init() {
    if (!initialized) {
        String className = (String) properties.get("selector");
        if (className != null) {
            ClassLoader loader = Thread.currentThread().getContextClassLoader();
            try {
                Class<?> clazz = loader.loadClass(className);
                selector = (Selector) SerializerFactory.getSerializer(clazz)
                        .deserializeObject(new JsonObject(properties), clazz);
            } catch (Exception e) {
                throw new IllegalArgumentException("Error instantiating serializer factory.");
            }/*from  w  w  w.j  av a  2 s  .  c  o  m*/
        } else {
            throw new IllegalStateException("Not a valid custom serializer.");
        }
    }
}

From source file:org.jsonschema2pojo.integration.PolymorphicIT.java

@Test
public void extendsWithPolymorphicDeserialization() throws ClassNotFoundException {

    ClassLoader resultsClassLoader = schemaRule.generateAndCompile("/schema/polymorphic/extendsSchema.json",
            "com.example");

    Class<?> subtype = resultsClassLoader.loadClass("com.example.ExtendsSchema");
    Class<?> supertype = subtype.getSuperclass();

    assertNotNull(supertype.getAnnotation(JsonTypeInfo.class));

}

From source file:com.googlecode.psiprobe.tools.logging.jdk.Jdk14ManagerAccessor.java

public Jdk14ManagerAccessor(ClassLoader cl) throws ClassNotFoundException, IllegalAccessException,
        IllegalArgumentException, InvocationTargetException {
    Class clazz = cl.loadClass("java.util.logging.LogManager");
    Method getManager = MethodUtils.getAccessibleMethod(clazz, "getLogManager", new Class[] {});
    Object manager = getManager.invoke(null, null);
    if (manager == null) {
        throw new NullPointerException(clazz.getName() + ".getLogManager() returned null");
    }//from  ww  w .j a v  a  2s .  c  om
    setTarget(manager);
}

From source file:com.vaadin.server.AbstractClientConnectorTest.java

private WeakReference<Class<?>> loadClass(String name) throws ClassNotFoundException {
    ClassLoader loader = new TestClassLoader();
    Class<?> loaded = loader.loadClass(name);
    return new WeakReference<>(loaded);
}

From source file:com.inetpsa.seed.plugin.CmdMojoDelegate.java

@Override
@SuppressWarnings("unchecked")
public String call() throws Exception {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    Class<?> nuunCoreClass = contextClassLoader.loadClass("io.nuun.kernel.core.NuunCore");
    Class<?> kernelConfigurationClass = contextClassLoader
            .loadClass("io.nuun.kernel.api.config.KernelConfiguration");
    Class<?> injectorClass = contextClassLoader.loadClass("com.google.inject.Injector");

    Object kernelConfiguration = nuunCoreClass.getMethod("newKernelConfiguration").invoke(null);
    Kernel kernel = (Kernel) nuunCoreClass.getMethod("createKernel", kernelConfigurationClass).invoke(null,
            kernelConfiguration);//from ww  w  . j a  v a2s .  c o m

    try {
        kernel.init();
        kernel.start();

        Object injector = kernel.objectGraph().as(injectorClass);
        CommandRegistry commandRegistry = (CommandRegistry) injectorClass.getMethod("getInstance", Class.class)
                .invoke(injector, CommandRegistry.class);
        Command command = createCommand(commandRegistry, "help", new String[] {});

        if (command instanceof PrettyCommand) {
            return ((PrettyCommand) command).prettify(command.execute(null));
        } else {
            return String.valueOf(command.execute(null));
        }
    } finally {
        kernel.stop();
    }
}

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

@Test
public void defaultClassPrefix() throws ClassNotFoundException {

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