Example usage for java.lang Class newInstance

Introduction

In this page you can find the example usage for java.lang Class newInstance.

Prototype

@CallerSensitive
@Deprecated(since = "9")
public T newInstance() throws InstantiationException, IllegalAccessException

Source Link

Document

Creates a new instance of the class represented by this Class object.

Usage

From source file:monasca.common.util.SerializationTest.java

@SuppressWarnings("unchecked")
private static <T> T proxyFor(Class<T> type) throws Exception {
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(TestCommand.class);
    enhancer.setCallbackType(NoOp.class);
    Class<T> enhanced = enhancer.createClass();
    return enhanced.newInstance();
}

From source file:Main.java

public static int getStatusBarHeight(Context context) {

    Class<?> c = null;

    Object obj = null;/*from w w w .ja v  a  2 s . c om*/

    Field field = null;

    int

    x = 0, statusBarHeight = 0;

    try

    {

        c = Class.forName("com.android.internal.R$dimen");

        obj = c.newInstance();

        field = c.getField("status_bar_height");

        x = Integer.parseInt(field.get(obj).toString());

        statusBarHeight = context.getResources().getDimensionPixelSize(x);

    } catch

    (Exception e1) {

        e1.printStackTrace();

    }

    return

    statusBarHeight;

}

From source file:br.com.renatoccosta.regexrenamer.element.base.ElementFactory.java

public static Element compile(String alias) throws ElementNotFoundException {
    Element ee = null;/*from  ww  w  . j a  v a 2  s . com*/
    try {
        Class<Element> c = ElementsDirectory.getInstance().lookup(alias);

        if (c == null) {
            throw new ElementNotFoundException(alias);
        }

        ee = c.newInstance();

    } catch (InstantiationException ex) {
        LOGGER.error(ex.getMessage(), ex);
    } catch (IllegalAccessException ex) {
        LOGGER.error(ex.getMessage(), ex);
    }

    return ee;
}

From source file:cn.quickj.Setting.java

private static void createPlugin(Configuration config, String pluginClazz, int i)
        throws ClassNotFoundException, InstantiationException, IllegalAccessException {
    Configuration c = config.subset("plugins.plugin(" + i + ")");
    Class<?> clazz = Class.forName(pluginClazz);
    Plugin plugin = (Plugin) clazz.newInstance();
    plugin.init(c);//from   ww  w. ja v a  2 s  .  c  o  m
    log.info("?" + plugin.getName() + "   id:" + plugin.getId());
    plugins.add(plugin);
}

From source file:com.asakusafw.testdriver.tools.runner.BatchTestTruncator.java

private static void resolveImporter(Conf conf, Class<? extends ImporterDescription> aClass) {
    try {/*from w  ww .j av  a 2s  .  com*/
        conf.importers.add(aClass.newInstance());
    } catch (Exception e) {
        throw new IllegalArgumentException(
                MessageFormat.format(Messages.getString("BatchTestTruncator.errorInvalidImporterClass"), //$NON-NLS-1$
                        aClass.getName()),
                e);
    }
}

From source file:com.asakusafw.testdriver.tools.runner.BatchTestTruncator.java

private static void resolveExporter(Conf conf, Class<? extends ExporterDescription> aClass) {
    try {//from w w  w  . j  ava2s .  c om
        conf.exporters.add(aClass.newInstance());
    } catch (Exception e) {
        throw new IllegalArgumentException(
                MessageFormat.format(Messages.getString("BatchTestTruncator.errorInvalidExporterClass"), //$NON-NLS-1$
                        aClass.getName()),
                e);
    }
}

From source file:clearUp.Collections3.java

/**
  * mapbean//  ww  w. j av a 2s.com
  *
  * @param map
  * @param beanClass
  * @return
  */
public static Object map2Bean(Map map, Class<?> beanClass) {
    try {
        Object bean = beanClass.newInstance();
        PropertyUtils.copyProperties(bean, map);
        return bean;
    } catch (Exception e) {
        throw new RuntimeException(beanClass.getCanonicalName() + "!");
    }
}

From source file:com.gohuinuo.common.utils.Collections3.java

/**
  * map?bean/*w  w w  . java2  s.c  om*/
  *
  * @param map
  * @param beanClass
  * @return
  */
public static Object map2Bean(Map map, Class<?> beanClass) {
    try {
        Object bean = beanClass.newInstance();
        PropertyUtils.copyProperties(bean, map);
        return bean;
    } catch (Exception e) {
        throw new RuntimeException(beanClass.getCanonicalName() + "!");
    }
}

From source file:com.wavemaker.tools.project.LauncherHelper.java

/**
 * Invoke a method. It's expected that the ClassLoader cl will be the same as the context classloader, or else the
 * Spring init will likely fail (or otherwise be bad).
 *//* ww  w. j  av a  2s  .c  o  m*/
public static Object invoke(ClassLoader cl, String fqClass, String methodName, Class<?>[] argTypes,
        Object[] args, boolean isStatic)
        throws ClassNotFoundException, SecurityException, NoSuchMethodException, InstantiationException,
        IllegalAccessException, IllegalArgumentException, InvocationTargetException {

    if (ResourceManager.getInstance() == null) {
        SpringUtils.initSpringConfig();
    }

    Class<?> klass = cl.loadClass(fqClass);
    Method m = klass.getMethod(methodName, argTypes);

    Object o;
    if (isStatic) {
        o = null;
    } else {
        o = klass.newInstance();
    }

    return m.invoke(o, args);
}

From source file:com.carmanconsulting.cassidy.util.CassidyUtils.java

public static <T> T instantiate(Class<T> type) {
    try {//ww  w  .  j  av a 2 s .c o  m
        LOGGER.debug("Instantiating object of type {}...", type.getCanonicalName());
        return Validate.notNull(type.newInstance());
    } catch (InstantiationException e) {
        throw new CassidyException(String.format("Unable to instantiate object of type %s.", type.getName()),
                e);
    } catch (IllegalAccessException e) {
        throw new CassidyException(
                String.format("Type %s has no accessible default constructor.", type.getName()), e);
    }
}