Example usage for org.apache.commons.lang3 ClassUtils getClass

Introduction

In this page you can find the example usage for org.apache.commons.lang3 ClassUtils getClass.

Prototype

public static Class<?> getClass(final String className) throws ClassNotFoundException 

Source Link

Document

Returns the (initialized) class represented by className using the current thread's context class loader.

Usage

From source file:com.github.haixing_hu.bean.TypeAliasXmlAdapter.java

@Override
public Class<?> unmarshal(final String name) throws Exception {
    Class<?> type = TypeAliasRegistry.getType(name);
    if (type == null) {
        type = ClassUtils.getClass(name);
    }/*from   www.  jav a2s  .c  om*/
    return type;
}

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From source file:com.tuplejump.stargate.lucene.AnalyzerFactory.java

public static Analyzer getAnalyzer(String analyzerName) {
    try {/* w ww.  j  a v a2  s  .  com*/
        Analyzers analyzer = Analyzers.valueOf(analyzerName);
        switch (analyzer) {
        case SimpleAnalyzer: {
            return new SimpleAnalyzer();
        }
        case StandardAnalyzer: {
            return new StandardAnalyzer();
        }
        case StopAnalyzer: {
            return new StopAnalyzer();
        }
        case WhitespaceAnalyzer: {
            return new WhitespaceAnalyzer();
        }
        case KeywordAnalyzer: {
            return new CaseInsensitiveKeywordAnalyzer();
        }
        default: {
            return new StandardAnalyzer();
        }
        }
    } catch (IllegalArgumentException e) {
        try {
            Class clazz = ClassUtils.getClass(analyzerName);
            return (Analyzer) clazz.newInstance();
        } catch (ClassNotFoundException e1) {
            throw new IllegalArgumentException("No analyzer class found with name [" + analyzerName + "]");
        } catch (InstantiationException e1) {
            throw new IllegalArgumentException("Could not construct an object of analyzer class with name ["
                    + analyzerName + "]. " + "Unable to find no-args constructor");
        } catch (IllegalAccessException e1) {
            e1.printStackTrace();
        }
    }
    return null;
}

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From source file:com.google.code.jconfig.factory.ConfigurationPluginFactory.java

/**
 * <p>/*from w  w  w  .  j  a v a2s.  co m*/
 *    Returns a plugin instance of type <em>classname</em>.
 * </p>
 * 
 * <p>
 *    If the implementation class use the {@link Cacheable} annotation, it
 *    will be cached for future reuse otherwise a new instance will be
 *    created at every request.
 * </p>
 * 
 * @param classname the full name of an instance of
 *                  {@link IConfigurationPlugin}.
 * @return the plugin instance.
 * @throws PluginInstantiationException
 */
public static IConfigurationPlugin<?> getPlugin(final String classname) throws PluginInstantiationException {

    try {
        if (ClassUtils.getClass(classname).getAnnotation(Cacheable.class) == null) {
            logger.debug("Plugin <" + classname + "> is not cacheable. Creating a new one.");
            return (IConfigurationPlugin<?>) Class.forName(classname).newInstance();
        }
    } catch (Exception e) {
        throw new PluginInstantiationException(e.getMessage(), e);
    }

    // cacheable plugin
    FutureTask<IConfigurationPlugin<?>> theTask = cache.get(classname);
    if (theTask == null) {
        logger.debug("No plugin of class <" + classname + "> available. Creatine a new one.");
        Callable<IConfigurationPlugin<?>> eval = new Callable<IConfigurationPlugin<?>>() {

            public IConfigurationPlugin<?> call() throws Exception {
                IConfigurationPlugin<?> plugin = (IConfigurationPlugin<?>) Class.forName(classname)
                        .newInstance();
                return plugin;
            }
        };

        FutureTask<IConfigurationPlugin<?>> thePluginExec = new FutureTask<IConfigurationPlugin<?>>(eval);
        theTask = cache.putIfAbsent(classname, thePluginExec);
        if (theTask == null) {
            theTask = thePluginExec;
            theTask.run();
        }
        logger.debug("New plugin of class <" + classname + "> ready to be used and cached.");
    } else {
        logger.debug("Plugin of class <" + classname + "> available in cache. Using the cached one.");
    }

    try {
        return theTask.get();
    } catch (Exception e) {
        throw new PluginInstantiationException(e.getMessage(), e);
    } finally {
        logger.debug("plugin cache size: " + cache.size() + " - cache detail: " + cache);
    }
}

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From source file:com.esri.geoevent.test.performance.provision.DefaultProvisionerFactory.java

@Override
public Provisioner createProvisioner(ProvisionerConfig config) throws ProvisionException {
    if (config == null) {
        return null;
    }//  w  w w  . ja  v a  2s.  c o m

    String className = config.getClassName();
    if (StringUtils.isEmpty(className)) {
        throw new ProvisionException(
                "Failed to create a valid Provisioner. The attribute \"ClassName\" is missing in the \"ProvisionerConfig\"!");
    }

    try {
        Class<?> clazz = ClassUtils.getClass(className);
        Provisioner provisioner = (Provisioner) clazz.newInstance();
        provisioner.init(config);
        return provisioner;
    } catch (ClassNotFoundException error) {
        throw new ProvisionException(
                "Failed to create a valid Provisioner. The className \"" + className + "\" was not found!",
                error);
    } catch (IllegalAccessException | InstantiationException error) {
        throw new ProvisionException("Failed to instatiate a valid Provisioner. The className \"" + className
                + "\" must have a parameter-less constructor!", error);
    }
}

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From source file:com.github.jknack.handlebars.js.HandlebarsJs.java

/**
 * Creates a {@link HandlebarsJs} object.
 *
 * @param helperRegistry The helperRegistry object. Required.
 * @return A new {@link HandlebarsJs} object.
 *//*from   ww  w .j  av  a2  s.  co  m*/
public static HandlebarsJs create(final HelperRegistry helperRegistry) {
    try {
        ClassUtils.getClass("org.mozilla.javascript.Context");
        return new RhinoHandlebars(helperRegistry);
    } catch (final Exception ex) {
        return new HandlebarsJs(helperRegistry) {
            @Override
            public void registerHelpers(final String filename, final String source) throws Exception {
                throw new IllegalStateException("Rhino isn't on the classpath", ex);
            }
        };
    }
}

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From source file:alfio.config.SpringBootLauncher.java

private static void launchHsqlGUI() {
    Class<?> cls;/* w  w  w  . j  av  a2 s  .co m*/
    try {
        cls = ClassUtils.getClass("org.hsqldb.util.DatabaseManagerSwing");
        MethodUtils.invokeStaticMethod(cls, "main",
                new Object[] { new String[] { "--url", "jdbc:hsqldb:mem:alfio", "--noexit" } });
    } catch (ReflectiveOperationException e) {
        log.warn("error starting db manager", e);
    }
}

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From source file:com.feilong.core.lang.ClassUtilTest.java

/**
 * Test get class./*  w  ww.  jav a2 s .  c  om*/
 *
 * @throws ClassNotFoundException
 *             the class not found exception
 */
@Test
public void testGetClass() throws ClassNotFoundException {
    assertSame(FeiLongVersion.class, ClassUtil.getClass(FeiLongVersion.class.getName()));
    assertSame(FeiLongVersion.class, ClassUtils.getClass(FeiLongVersion.class.getName()));
}

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From source file:com.strider.datadefender.requirement.Parameter.java

private Object getArrayForValues(final List<Object> list, final String type) throws ClassNotFoundException {
    String dataType = type;//from   w  w w.  j  av a 2  s  .  c om

    if ("String".equals(dataType)) {
        dataType = "java.lang.String";
    }

    final Class<?> c = ClassUtils.getClass(dataType);

    if (c.isPrimitive()) {
        final Class<?> w = ClassUtils.primitiveToWrapper(c);
        Object array = Array.newInstance(w, list.size());

        array = list.toArray((Object[]) array);

        if (c == boolean.class) {
            return ArrayUtils.toPrimitive((Boolean[]) array);
        } else if (c == byte.class) {
            return ArrayUtils.toPrimitive((Byte[]) array);
        } else if (c == short.class) {
            return ArrayUtils.toPrimitive((Short[]) array);
        } else if (c == char.class) {
            return ArrayUtils.toPrimitive((Character[]) array);
        } else if (c == int.class) {
            return ArrayUtils.toPrimitive((Integer[]) array);
        } else if (c == long.class) {
            return ArrayUtils.toPrimitive((Long[]) array);
        } else if (c == float.class) {
            return ArrayUtils.toPrimitive((Float[]) array);
        } else if (c == double.class) {
            return ArrayUtils.toPrimitive((Double[]) array);
        }

        throw new IllegalArgumentException("Unhandled primitive type: " + c.getName());
    }

    final Object array = Array.newInstance(c, list.size());

    return list.toArray((Object[]) array);
}

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From source file:com.msopentech.odatajclient.engine.metadata.edm.v4.annotation.DynExprConstructDeserializer.java

private AbstractElOrAttrConstruct getElOrAttrInstance(final String simpleClassName) throws JsonParseException {
    try {/*from  www.  j av  a2s  . c  o  m*/
        @SuppressWarnings("unchecked")
        Class<? extends AbstractElOrAttrConstruct> elOrAttrClass = (Class<? extends AbstractElOrAttrConstruct>) ClassUtils
                .getClass(getClass().getPackage().getName() + "." + simpleClassName);
        return elOrAttrClass.newInstance();
    } catch (Exception e) {
        throw new JsonParseException("Could not instantiate " + simpleClassName, JsonLocation.NA, e);
    }
}

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From source file:com.norconex.jefmon.JEFMonApplication.java

private void initJobActions() {
    List<String> classes = ClassFinder.findSubTypes(IJobAction.class);
    for (String className : classes) {
        IJobAction action;//from  w  w  w .  j ava  2s  .  com
        try {
            action = (IJobAction) ClassUtils.getClass(className).newInstance();
            allJobsActions.add(action);
        } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
            LOG.error("Cannot instantiate job action: " + className, e);
        }
    }
}

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