Example usage for org.apache.commons.beanutils ConstructorUtils invokeConstructor

Introduction

In this page you can find the example usage for org.apache.commons.beanutils ConstructorUtils invokeConstructor.

Prototype

public static Object invokeConstructor(Class klass, Object[] args) throws NoSuchMethodException,
        IllegalAccessException, InvocationTargetException, InstantiationException 

Source Link

Document

Returns new instance of klazz created using the actual arguments args.

Usage

From source file:br.com.sicoob.cro.cop.batch.step.StepTaskletExecutor.java

public void start() throws Exception {
    ConstructorUtils.invokeConstructor(TaskletInjector.class, this.step).inject();
    TaskletExecutor taskletExecutor = new TaskletExecutor(this.step);
    this.task = new FutureTask(taskletExecutor);
    this.service.executeTask(task);
}

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From source file:com.create.validation.MultiDateConstraintValidator.java

@Override
public void initialize(MultiDateConstraint multiDateConstraint) {
    final Class<? extends MultiDateConstraintChecker> constraintCheckerClass = multiDateConstraint
            .constraintChecker();/*from   w ww .j  a  va 2 s . co  m*/
    try {
        constraintChecker = ConstructorUtils.invokeConstructor(constraintCheckerClass, null);
    } catch (final IllegalAccessException | InvocationTargetException | NoSuchMethodException
            | InstantiationException e) {
        throw new IllegalArgumentException(e);
    }
    this.multiDateConstraint = multiDateConstraint;
}

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From source file:com.github.dozermapper.core.functional_tests.runner.NoProxyDataObjectInstantiator.java

public <T> T newInstance(Class<T> classToInstantiate, Object[] args) {
    try {/*from  w  ww . ja  va  2 s . c  om*/
        return ConstructorUtils.invokeConstructor(classToInstantiate, args);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:eu.squadd.testing.objectspopulator.RandomValuePopulator.java

private <P> P getMathNumberType(final Class<P> klass) {
    try {//from   w w w. j  ava2 s  .  c  om
        if (BigDecimal.class.isAssignableFrom(klass)) {
            return (P) ConstructorUtils.invokeConstructor(klass, 0L);
        } else if (BigInteger.class.isAssignableFrom(klass)) {
            return (P) ConstructorUtils.invokeConstructor(klass, 0);
        } else {
            System.out.println("*** Unknown Math type, skipping for now !!!");
            return null;
        }
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException
            | InstantiationException ex) {
        Logger.getLogger(RandomValuePopulator.class.getName()).log(Level.SEVERE, null, ex);
        return null;
    }
}

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From source file:com.curl.orb.servlet.InstanceManagementUtil.java

/**
 * Create new instance.//  w w w .  j  a va2  s .com
 */
public static Object newInstance(Class<?> cls, Object[] arguments) throws NoSuchMethodException,
        IllegalAccessException, InvocationTargetException, InstantiationException {
    return ConstructorUtils.invokeConstructor(cls, arguments);
}

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From source file:br.com.sicoob.cro.cop.batch.configuration.ItemProcessorInjector.java

/**
 * Cria o contexto de dados para o tasklet.
 *
 * @return um {@link TaskletContext}./*from ww  w .  j  a  va  2 s  .c o  m*/
 */
private ChunkContext createContext() throws Exception {
    return ConstructorUtils.invokeConstructor(ChunkContext.class,
            (StepParameters) PropertyUtils.getProperty(this.step, BatchKeys.PARAMETERS.getKey()));
}

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From source file:br.com.sicoob.cro.cop.batch.configuration.TaskletInjector.java

/**
 * Cria o contexto de dados para o tasklet.
 *
 * @return um {@link TaskletContext}.// w  w  w.  j ava 2s .  c om
 */
private TaskletContext createContext() throws Exception {
    return ConstructorUtils.invokeConstructor(TaskletContext.class,
            (StepParameters) PropertyUtils.getProperty(this.step, BatchKeys.PARAMETERS.getKey()));
}

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From source file:com.hs.mail.container.simple.SimpleSpringContainer.java

public Object createFileSystemXmlApplicationContext(String[] configLocations) throws Exception {
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    Class klass = classLoader.loadClass(IMPL_CLASS_NAME);

    Object[] args = new Object[] { configLocations, Boolean.FALSE };
    Object applicationContext = ConstructorUtils.invokeConstructor(klass, args);
    MethodUtils.invokeMethod(applicationContext, "refresh", null);

    return applicationContext;
}

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From source file:eu.squadd.testing.objectspopulator.RandomValuePopulator.java

public Object populateAllFields(final Class targetClass, Map exclusions)
        throws IllegalAccessException, InstantiationException {
    final Object target;
    try {// ww  w.  j a  v a2 s . c o  m
        if (isMathNumberType(targetClass)) {
            target = getMathNumberType(targetClass);
        } else {
            target = ConstructorUtils.invokeConstructor(targetClass, null);
        }
    } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException
            | InstantiationException ex) {
        System.err.println(ex.getMessage());
        return null;
    }

    //final Object target = targetClass.newInstance();
    //Get all fields present on the target class
    final Set<Field> allFields = getAllFields(targetClass, Predicates.<Field>alwaysTrue());
    if (this.stopOnMxRecusionDepth)
        this.currentRecursionDepth++;

    //Iterate through fields if recursion depth is not reached
    if (!this.stopOnMxRecusionDepth || (this.stopOnMxRecusionDepth
            && this.currentRecursionDepth <= scannerFactory.getRecursionDepth())) {
        for (final Field field : allFields) {
            try {
                // check if the field is not on exclusion list                
                if (exclusions != null && exclusions.containsValue(field.getName()))
                    continue;

                //Set fields to be accessible even when private
                field.setAccessible(true);

                final Class<?> fieldType = field.getType();

                if (fieldType.isEnum() && Enum.class.isAssignableFrom(fieldType)) {
                    //handle any enums here if you have any

                } else if (isMathNumberType(fieldType)) {
                    //System.out.println("*** Math number found, populating it: "+fieldType);                
                    field.set(target, getManufacturedPojo(fieldType));
                } //Check if the field is a collection
                else if (Collection.class.isAssignableFrom(fieldType)) {

                    //Get the generic type class of the collection
                    final Class<?> genericClass = getGenericClass(field);

                    //Check if the generic type of a list is abstract
                    if (Modifier.isAbstract(genericClass.getModifiers())) {

                        System.out.println("Abstract classes are not supported !!!");

                        // this stuff needs real class extending abstract one to work
                        //final List<Object> list = new ArrayList();
                        //list.add(populateAllIn(ClassExtendingAbstract.class));
                        //field.set(target, list);
                    } else {
                        final List<Object> list = new ArrayList();
                        list.add(populateAllFields(genericClass, exclusions));
                        field.set(target, list);
                    }

                } else if ((isSimpleType(fieldType) || isSimplePrimitiveWrapperType(fieldType))
                        && !fieldType.isEnum()) {
                    field.set(target, getManufacturedPojo(fieldType));
                } else if (!fieldType.isEnum()) {
                    field.set(target, populateAllFields(fieldType, exclusions));
                }
            } catch (IllegalAccessException | InstantiationException ex) {
                System.err.println(ex.getMessage());
            }
        }
    }
    return target;
}

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From source file:com.otiliouine.configurablefactory.ConfigurableFactory.java

/**
 * Creates an instance of the implementation class mapped to <b>interfazz</b>
 * //from w  w w .  j  a va  2s  .  c  om
 * @param interfazz the Interface or class which represents the abstraction of instance types
 * @param args the arguments to use when creating the new instance
 * @return a new instance of the implementation class mapped to <b>interfazz</b>
 */
public <T> T createInstance(Class<T> interfazz, Object... args) {
    Class<T> clazz = (Class<T>) mapping.get(interfazz);
    if (clazz == null) {
        throw new NoFactoryDefinitionException(
                "No factory is defined for class " + interfazz.getCanonicalName());
    }
    try {
        T instance = (T) ConstructorUtils.invokeConstructor(clazz, args);
        return interfazz.cast(instance);
    } catch (ClassCastException e) {
        throw new InvalidMappingValuesException(
                "invalid factory configuration, class " + clazz.getCanonicalName(), e);
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e);
    }

}

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