Example usage for java.lang Class isInstance

List of usage examples for java.lang Class isInstance

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. Class
  6. isInstance

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public native boolean isInstance(Object obj);

Source Link

Document

Determines if the specified Object is assignment-compatible with the object represented by this Class .

Usage

From source file:com.navercorp.pinpoint.web.cluster.DefaultPinpointRouteResponse.java

@Override
public <R extends TBase> R getResponse(Class<R> clazz) {
    TBase response = getResponse();/* w  w w . ja  v  a  2s .  c om*/

    if (clazz.isInstance(response)) {
        return (R) response;
    }

    throw new ClassCastException("Not expected " + clazz + " type.");
}

From source file:de.slub.fedora.jms.MessageMapperTest.java

private IndexJob findFirstByClass(List<IndexJob> jobs, Class c) {
    for (IndexJob job : jobs) {
        if (c.isInstance(job))
            return job;
    }//from  w w  w  .  j a  v a 2s .  c  o  m
    return null;
}

From source file:org.apache.james.container.spring.lifecycle.AbstractLifecycleBeanPostProcessor.java

/**
 * @see org.springframework.beans.factory.config.BeanPostProcessor
 * #postProcessBeforeInitialization(java.lang.Object, java.lang.String)
 *//*from   w  w  w.  j  a v a2 s  .c  om*/
@SuppressWarnings("unchecked")
public final Object postProcessBeforeInitialization(Object bean, String name) throws BeansException {
    try {
        Class<T> lClass = getLifeCycleInterface();
        if (lClass.isInstance(bean)) {
            // Check if the bean is registered in the context.
            // If not it was created by the container and so there
            // is no need to execute the callback.
            if (factory.containsBeanDefinition(name)) {
                executeLifecycleMethodBeforeInit((T) bean, name);
            }
        }
    } catch (Exception e) {
        throw new FatalBeanException("Unable to execute lifecycle method on bean" + name, e);
    }
    return bean;
}

From source file:org.apache.james.container.spring.lifecycle.AbstractLifecycleBeanPostProcessor.java

/**
 * @see org.springframework.beans.factory.config.BeanPostProcessor
 * #postProcessAfterInitialization(java.lang.Object, java.lang.String)
 *///from   ww  w. j ava 2 s.com
@SuppressWarnings("unchecked")
public final Object postProcessAfterInitialization(Object bean, String name) throws BeansException {
    try {
        Class<T> lClass = getLifeCycleInterface();
        if (lClass.isInstance(bean)) {
            // Check if the bean is registered in the context.
            // If not it was created by the container and so there is no
            // need to execute the callback.
            if (factory.containsBeanDefinition(name)) {
                executeLifecycleMethodAfterInit((T) bean, name);
            }
        }
    } catch (Exception e) {
        throw new FatalBeanException("Unable to execute lifecycle method on bean" + name, e);
    }
    return bean;
}

From source file:org.bytesoft.openjtcc.supports.spring.PropagateBeanFactoryImpl.java

@SuppressWarnings("unchecked")
public <T> T getBean(Class<T> interfaceClass, String beanId) {
    Object beanInst = this.applicationContext.getBean(beanId);
    if (interfaceClass.isInstance(beanInst) //
            && Compensable.class.isInstance(beanInst)//
    ) {/*  www . j  a  v a2  s  . com*/
        PropagateCompensableProxy<Serializable> proxy = new PropagateCompensableProxy<Serializable>();
        proxy.setBeanName(beanId);
        proxy.setTarget((Compensable<Serializable>) beanInst);
        proxy.setProxyId(atomic.incrementAndGet());
        proxy.setTransactionManager(this.transactionManager);

        ClassLoader classLoader = beanInst.getClass().getClassLoader();
        Class<?>[] interfaces = null;
        if (Compensable.class.equals(interfaceClass)) {
            interfaces = new Class[] { interfaceClass };
        } else {
            interfaces = new Class[] { interfaceClass, Compensable.class };
        }
        Object proxyInst = Proxy.newProxyInstance(classLoader, interfaces, proxy);

        proxy.setFacade((Compensable<Serializable>) proxyInst);

        return interfaceClass.cast(proxyInst);
    }
    throw new RuntimeException();
}

From source file:edu.vt.middleware.ldap.handler.AbstractResultHandler.java

/**
 * This will enumerate through the supplied <code>NamingEnumeration</code> and
 * return a List of those results. The results are unaltered and the dn is
 * ignored. Any exceptions passed into this method will be ignored and results
 * will be returned as if no exception occurred.
 *
 * @param  sc  <code>SearchCriteria</code> used to find enumeration
 * @param  en  <code>NamingEnumeration</code> LDAP results
 * @param  ignore  <code>Class[]</code> of exception types to ignore
 *
 * @return  <code>List</code> - LDAP results
 *
 * @throws  NamingException  if the LDAP returns an error
 */// w  w  w. java 2s  . com
public List<O> process(final SearchCriteria sc, final NamingEnumeration<? extends R> en,
        final Class<?>[] ignore) throws NamingException {
    final List<O> results = new ArrayList<O>();
    if (en != null) {
        try {
            while (en.hasMore()) {
                final O o = processResult(sc, en.next());
                if (o != null) {
                    results.add(o);
                }
            }
        } catch (NamingException e) {
            boolean ignoreException = false;
            if (ignore != null && ignore.length > 0) {
                for (Class<?> ne : ignore) {
                    if (ne.isInstance(e)) {
                        if (this.logger.isDebugEnabled()) {
                            this.logger.debug("Ignoring naming exception", e);
                        }
                        ignoreException = true;
                        break;
                    }
                }
            }
            if (!ignoreException) {
                throw e;
            }
        }
    }
    return results;
}

From source file:eu.squadd.reflections.mapper.ServiceModelTranslator.java

private static boolean assignPropertyValue(PropertyDescriptor sourceProp, Object sourceValue,
        PropertyDescriptor destProp, Object destInstance) {
    if (sourceValue == null) {
        System.out.println("Null value found, assignment skipped");
        return true;
    }/*from  w w  w . j  av a  2 s  .c  om*/
    boolean result = false;
    Class<?> sourceType = sourceProp.getPropertyType();
    Method getter = sourceProp.getReadMethod();
    Class<?> destType = destProp.getPropertyType();
    Method setter = destProp.getWriteMethod();
    try {
        if (destType.isInterface() || destType.isArray() || destType.isEnum()) {
            if (Collection.class.isAssignableFrom(sourceType) && Collection.class.isAssignableFrom(destType))
                assignCollectionValue(getter, sourceValue, destType, setter, destInstance);
            else if (Map.class.isAssignableFrom(sourceType) && Map.class.isAssignableFrom(destType))
                assignMapValue(getter, sourceValue, setter, destInstance);
            else
                assignMixedTypesValue(sourceType, getter, sourceValue, destType, setter, destInstance);
        } else if (destType.isInstance(sourceValue) || destType.isPrimitive())
            setter.invoke(destInstance, sourceValue);

        else if (destType.isMemberClass())
            setter.invoke(destInstance, sourceValue);

        else if (destType.isAssignableFrom(sourceType))
            setter.invoke(destInstance, destType.cast(sourceValue));

        else { //if (ClassUtils.isInnerClass(destType)) {
            Object member = transposeModel(sourceType, destType, sourceValue);
            member = destType.cast(member);
            setter.invoke(destInstance, member);
        }
        result = true;
    } catch (IllegalArgumentException ex) {
        System.out.println("Looks like type mismatch, source type: " + sourceType + ", dest type: " + destType);
        Logger.getLogger(ServiceModelTranslator.class.getName()).log(Level.SEVERE, null, ex);
    } catch (InvocationTargetException | IllegalAccessException ex) {
        Logger.getLogger(ServiceModelTranslator.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result;
}

From source file:org.opendaylight.ovsdb.lib.schema.DatabaseSchema.java

public <E extends TableSchema<E>> E table(String tableName, Class<E> clazz) {
    TableSchema<E> table = tables.get(tableName);

    if (clazz.isInstance(table)) {
        return clazz.cast(table);
    }//ww  w.j av  a  2  s. c om

    return createTableSchema(clazz, table);
}

From source file:edu.harvard.i2b2.fhir.FhirUtil.java

public static ca.uhn.fhir.model.api.Bundle fhirBundleToHapiBundle(Bundle b) throws Exception {
    ca.uhn.fhir.model.api.Bundle hb = new ca.uhn.fhir.model.api.Bundle();

    // IdDt idb = new IdDt();
    // idb.setValue(b.getId().getValue());
    // id.setValue(fhirBase + UUID.randomUUID().toString());

    // hb.setId(idb);

    String fhirBase = "b.getBase().toString()";

    for (BundleEntry be : b.getEntry()) {
        ResourceContainer rc = be.getResource();

        Resource r = getResourceFromContainer(rc);
        for (Class c : getResourceClassList()) {

            if (c.isInstance(r)) {

                ca.uhn.fhir.model.api.BundleEntry entry = new ca.uhn.fhir.model.api.BundleEntry();
                IdDt ide = new IdDt();
                ide.setValue(r.getId().getValue());
                entry.setId(ide);//from w w  w .  j  a  v a  2 s  . c o m
                XMLGregorianCalendar lastUpdated = null;
                try {
                    lastUpdated = null;
                } catch (Exception ex) {
                }
                if (lastUpdated != null)

                {
                    Date d = lastUpdated.toGregorianCalendar().getTime();
                    InstantDt dt = new InstantDt();
                    dt.setValue(d);
                    // entry.setUpdated(dt);
                }
                // entry.addExtension("http://www.w3.org/2005/Atom","published",null).setText(new
                // Date().toGMTString());
                // theLinkSelf
                StringDt theLinkSelf = new StringDt();
                theLinkSelf.setValue(fhirBase + r.getId());
                entry.setLinkSelf(theLinkSelf);
                IResource theResource = WrapperHapi.resourceXmlToIResource(JAXBUtil.toXml(r));
                entry.setResource(theResource);
                hb.addEntry(entry);
            }
        }
    }
    return hb;

}

From source file:com.googlecode.spring.appengine.cache.memcache.MemcacheCache.java

@SuppressWarnings({ "rawtypes", "unchecked" })
protected Object toStoreValue(Object value) {
    // datanucleus: if value to store is StreamingQueryResult then get all objects from stream and return new list (stream cannot be stored in memcache)
    try {//from  www  .ja  v  a  2s.c  om
        Class clazz = Class.forName("com.google.appengine.datanucleus.query.StreamingQueryResult");
        if (clazz.isInstance(value)) {
            return new ArrayList((Collection) value);
        }
    } catch (Exception ignore) {
    }
    // objectify: wrap lists as objectify returns list proxies which cannot be serialized directly (https://code.google.com/p/objectify-appengine/issues/detail?id=166)
    try {
        @SuppressWarnings("unused")
        Class clazz = Class.forName("com.googlecode.objectify.Objectify");
        if (value instanceof List) {
            return new ArrayList((List) value);
        }
    } catch (Exception ignore) {
    }
    return value;
}