Example usage for java.lang Class isAnnotationPresent

Introduction

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

Prototype

@Override
public boolean isAnnotationPresent(Class<? extends Annotation> annotationClass)

Source Link

Usage

From source file:de.jackwhite20.japs.client.sub.impl.SubscriberImpl.java

private String getChannelFromAnnotation(Class<?> clazz) {

    if (!clazz.isAnnotationPresent(Channel.class)) {
        throw new IllegalArgumentException(
                "the handler class " + clazz.getSimpleName() + " has no 'Channel' annotation");
    }/*w w  w . j  av  a2  s  .c om*/

    String channel = clazz.getAnnotation(Channel.class).value();

    if (channel.isEmpty()) {
        throw new IllegalStateException(
                "value of the 'Channel' annotation of class " + clazz.getSimpleName() + " is empty");
    }

    return channel;
}

From source file:org.codehaus.enunciate.modules.jersey.EnunciateJAXBContextResolver.java

public JAXBContext getContext(Class<?> objectType) {
    if (types.contains(objectType)) {
        return context;
    } else if (objectType.isAnnotationPresent(XmlRootElement.class)) {
        //if this is a root element, we'll do our best to apply our namespace prefix mapper.
        try {//from  www.jav a2  s  .  c  om
            JAXBContext context = JAXBContext.newInstance(objectType);
            if (this.prefixMapper != null) {
                context = new DelegatingJAXBContext(context) {
                    @Override
                    public Marshaller createMarshaller() throws JAXBException {
                        Marshaller marshaller = super.createMarshaller();
                        try {
                            marshaller.setProperty("com.sun.xml.bind.namespacePrefixMapper", prefixMapper);
                        } catch (PropertyException e) {
                            //fall through...
                        }
                        return marshaller;
                    }
                };
            }
            return context;
        } catch (Exception e) {
            //fall through...
        }
    }

    return null;
}

From source file:com.cottsoft.thrift.framework.server.ThriftMultiBinaryServerFactory.java

/**
 * ?Service implSpring bean???@Service????
 * //  w ww  . j  a  va  2 s  .c  o m
 * @param thriftServiceImplClass
 * @return
 */
private String getServiceImplBeanName(Class<?> thriftServiceImplClass) {
    if (thriftServiceImplClass.isAnnotationPresent(Service.class)) {
        Service serviceAnnotation = (Service) thriftServiceImplClass.getAnnotation(Service.class);
        String value = serviceAnnotation.value();

        if (StringUtils.isEmpty(value)) {
            return StringUtils.uncapitalize(thriftServiceImplClass.getSimpleName());
        } else {
            return value;
        }
    } else {
        return StringUtils.uncapitalize(thriftServiceImplClass.getSimpleName());
    }
}

From source file:jofc2.OFC.java

/**
 * ??/*  w  w  w  .java 2s  .  com*/
 * @param c
 */
private void doAlias(Class<?> c) {
    /**
     * 
     */
    if (c.isAnnotationPresent(Alias.class)) {
        converter.alias(c.getAnnotation(Alias.class).value(), c);
    }

    /**
     * ??
     */
    for (Field f : c.getDeclaredFields()) {
        if (f.isAnnotationPresent(Alias.class)) {
            if (f.getAnnotation(Alias.class).value().equals("")) {
                System.out.println(f.getName());
            }
            converter.aliasField(f.getAnnotation(Alias.class).value(), c, f.getName());
        }
    }
}

From source file:org.jsconf.core.ConfigurationFactory.java

public ConfigurationFactory withBean(Class<?> bean) {
    if (bean.isAnnotationPresent(ConfigurationProperties.class)) {
        ConfigurationProperties cf = bean.getAnnotation(ConfigurationProperties.class);
        return withBean(cf.value(), bean, cf.id(), cf.proxy());
    }/*w  w  w  .j  ava  2s .c  om*/
    throw new BeanInitializationException(
            String.format("Missing @ConfigurationProperties annotation on class %s", bean));
}

From source file:com.cognifide.qa.bb.cumber.Bobcumber.java

/**
 * Constructor called by JUnit./* www.j  a v a2s .co m*/
 *
 * @param clazz the class with the @RunWith annotation.
 * @throws java.io.IOException                         if there is a problem
 * @throws org.junit.runners.model.InitializationError if there is another problem
 */
public Bobcumber(Class<?> clazz) throws InitializationError, IOException {
    super(clazz);
    statisticsHelper = new StatisticsHelper();
    storeFailedResults = clazz.isAnnotationPresent(StoreFailedResults.class);
    if (storeFailedResults) {
        featureFile = createFile(clazz.getAnnotation(StoreFailedResults.class).value());
        String statisticsFilePath = properties.getProperty(ConfigKeys.BOBCAT_REPORT_STATISTICS_PATH);
        statisticsFile = createFile(statisticsFilePath);
    }
    isItFailedTestsRerun = clazz.isAnnotationPresent(FailedTestsRunner.class);
}

From source file:de.Keyle.MyPet.api.util.hooks.PluginHookManager.java

/**
 * register new hooks here. A hook needs the {@link PluginHookName} annotation to be accepted.
 *
 * @param hookClass the hook class/*from w  w  w  . ja  va 2s  . c  o m*/
 */
public void registerHook(Class<? extends PluginHook> hookClass) {
    if (hookClass.isAnnotationPresent(PluginHookName.class)) {
        PluginHookName hookNameAnnotation = hookClass.getAnnotation(PluginHookName.class);

        String pluginName = hookNameAnnotation.value();
        if (!hookNameAnnotation.classPath().equalsIgnoreCase("")) {
            if (!isPluginAvailable(pluginName, hookNameAnnotation.classPath())) {
                return;
            }
        } else {
            if (!isPluginAvailable(pluginName)) {
                return;
            }
        }
        try {
            PluginHook hook = hookClass.newInstance();
            registeredHooks.add(hook);
        } catch (Throwable e) {
            MyPetApi.getLogger()
                    .warning("Error occured while enabling " + pluginName + " ("
                            + Bukkit.getPluginManager().getPlugin(pluginName).getDescription().getVersion()
                            + ") hook.");
            e.printStackTrace();
        }
    }
}

From source file:com.wavemaker.tools.apidocs.tools.parser.impl.ReflectionModelParser.java

protected Model parseClass(Class<?> classToScan) {
    ModelImpl model = new ModelImpl();

    model.name(DataTypeUtil.getName(classToScan));
    if (classToScan.isAnnotationPresent(ApiModel.class)) {
        model.setDescription(classToScan.getAnnotation(ApiModel.class).description());
    }/*from   w ww .j a  va2 s  .c o m*/
    model.setProperties(getModelProperties(classToScan));
    model.setRequired(findRequiredFields(model.getProperties()));

    return model;
}

From source file:com.neelo.glue.ApplicationModule.java

public void register(Class<?> resourceClass) {
    log.info("Registering: " + resourceClass.getName());

    Resource resource = null;//from   w  w  w.  ja va  2  s .co m

    if (resourceClass.isAnnotationPresent(Resource.class)) {
        resource = resourceClass.getAnnotation(Resource.class);
    } else {
        log.warn("Class not registerd. Missing " + Resource.class.getSimpleName() + " annotation");
        return;
    }

    ResourceBuilder builder = new ResourceBuilder(resourceClass, resource.path(), resource.layout());

    Method[] methods = resourceClass.getDeclaredMethods();
    for (Method method : methods) {
        if (method.isAnnotationPresent(Get.class)) {
            Get get = method.getAnnotation(Get.class);

            RouteBuilder route = builder.get(method, get.path(), get.content());

            route.setLayout(StringUtils.isNotBlank(get.layout()) ? get.layout() : resource.layout());
            if (StringUtils.isNotBlank(get.name()))
                route.setName(get.name());

            routes.add(route);
        } else if (method.isAnnotationPresent(Post.class)) {
            Post post = method.getAnnotation(Post.class);

            RouteBuilder route = builder.post(method, post.path(), post.content());

            route.setLayout(StringUtils.isNotBlank(post.layout()) ? post.layout() : resource.layout());
            if (StringUtils.isNotBlank(post.name()))
                route.setName(post.name());

            routes.add(route);
        }
    }
}

From source file:org.lavajug.streamcaster.plugins.AnnotationPluginManager.java

/**
 * return a new instance of the default PluginManager
 *
 * @param classLoader containing plugins class
 * @param searchPath where to find plugins classes
 */// ww  w  .  ja v  a 2 s.com
public AnnotationPluginManager(ClassLoader classLoader, String... searchPath) {
    this.plugins = new HashMap<>();
    try {
        for (Class<?> clazz : Reflexion.getClassesAnnotatedWith(SourcePlugin.class)) {
            if (clazz.isAnnotationPresent(SourcePlugin.class)) {
                SourcePlugin ann = clazz.getAnnotation(SourcePlugin.class);
                plugins.put(ann.value(), clazz);
            }
        }
    } catch (IOException | URISyntaxException ex) {
        Logger.getLogger(AnnotationPluginManager.class.getName()).log(Level.SEVERE, null, ex);
    }
}