Example usage for org.springframework.util Assert isAssignable

Introduction

In this page you can find the example usage for org.springframework.util Assert isAssignable.

Prototype

public static void isAssignable(Class<?> superType, Class<?> subType) 

Source Link

Document

Assert that superType.isAssignableFrom(subType) is true .

Usage

From source file:org.springframework.cloud.stream.binding.MessageConverterConfigurer.java

/**
 * Setup data-type and message converters for the given message channel.
 *
 * @param channel message channel to set the data-type and message converters
 * @param channelName the channel name/*w  w w. j  av  a2 s .  c o m*/
 * @param inbound inbound (i.e., "input") or outbound channel
 */
private void configureMessageChannel(MessageChannel channel, String channelName, boolean inbound) {
    Assert.isAssignable(AbstractMessageChannel.class, channel.getClass());
    AbstractMessageChannel messageChannel = (AbstractMessageChannel) channel;
    BindingProperties bindingProperties = this.bindingServiceProperties.getBindingProperties(channelName);
    String contentType = bindingProperties.getContentType();
    ProducerProperties producerProperties = bindingProperties.getProducer();
    if (!inbound && producerProperties != null && producerProperties.isPartitioned()) {
        messageChannel.addInterceptor(new PartitioningInterceptor(bindingProperties,
                getPartitionKeyExtractorStrategy(producerProperties),
                getPartitionSelectorStrategy(producerProperties)));
    }

    ConsumerProperties consumerProperties = bindingProperties.getConsumer();
    if (this.isNativeEncodingNotSet(producerProperties, consumerProperties, inbound)) {
        if (inbound) {
            messageChannel.addInterceptor(new InboundContentTypeConvertingInterceptor(contentType,
                    this.compositeMessageConverterFactory));
        } else {
            messageChannel.addInterceptor(new OutboundContentTypeConvertingInterceptor(contentType,
                    this.compositeMessageConverterFactory.getMessageConverterForAllRegistered()));
        }
    }
}

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From source file:org.springframework.data.document.web.bind.annotation.support.HandlerMethodInvoker.java

private Class<?> getHttpEntityType(MethodParameter methodParam) {
    Assert.isAssignable(HttpEntity.class, methodParam.getParameterType());
    ParameterizedType type = (ParameterizedType) methodParam.getGenericParameterType();
    if (type.getActualTypeArguments().length == 1) {
        Type typeArgument = type.getActualTypeArguments()[0];
        if (typeArgument instanceof Class) {
            return (Class<?>) typeArgument;
        } else if (typeArgument instanceof GenericArrayType) {
            Type componentType = ((GenericArrayType) typeArgument).getGenericComponentType();
            if (componentType instanceof Class) {
                // Surely, there should be a nicer way to do this
                Object array = Array.newInstance((Class<?>) componentType, 0);
                return array.getClass();
            }/*from w w w.  j  ava2  s  . c  o  m*/
        }
    }
    throw new IllegalArgumentException(
            "HttpEntity parameter (" + methodParam.getParameterName() + ") is not parameterized");

}

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From source file:org.springframework.integration.test.util.TestUtils.java

@SuppressWarnings("unchecked")
public static <T> T getPropertyValue(Object root, String propertyPath, Class<T> type) {
    Object value = getPropertyValue(root, propertyPath);
    if (value != null) {
        Assert.isAssignable(type, value.getClass());
    }/*  ww w .  j  a  v a2 s.  c o m*/
    return (T) value;
}

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From source file:org.springframework.kafka.test.utils.KafkaTestUtils.java

/**
 * A typed version of {@link #getPropertyValue(Object, String)}.
 * @param root the object.//from w  w  w  .  jav a 2s  .c  om
 * @param propertyPath the path.
 * @param type the type to cast the object to.
 * @param <T> the type.
 * @return the field value.
 * @see #getPropertyValue(Object, String)
 */
@SuppressWarnings("unchecked")
public static <T> T getPropertyValue(Object root, String propertyPath, Class<T> type) {
    Object value = getPropertyValue(root, propertyPath);
    if (value != null) {
        Assert.isAssignable(type, value.getClass());
    }
    return (T) value;
}

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From source file:org.springframework.security.authentication.DefaultAuthenticationEventPublisher.java

/**
 * Sets additional exception to event mappings. These are automatically merged with
 * the default exception to event mappings that <code>ProviderManager</code> defines.
 *
 * @param additionalExceptionMappings where keys are the fully-qualified string name
 * of the exception class and the values are the fully-qualified string name of the
 * event class to fire./*from w  w  w.  j a v  a 2  s .  com*/
 */
@SuppressWarnings({ "unchecked" })
public void setAdditionalExceptionMappings(Properties additionalExceptionMappings) {
    Assert.notNull(additionalExceptionMappings, "The exceptionMappings object must not be null");
    for (Object exceptionClass : additionalExceptionMappings.keySet()) {
        String eventClass = (String) additionalExceptionMappings.get(exceptionClass);
        try {
            Class<?> clazz = getClass().getClassLoader().loadClass(eventClass);
            Assert.isAssignable(AbstractAuthenticationFailureEvent.class, clazz);
            addMapping((String) exceptionClass, (Class<? extends AbstractAuthenticationFailureEvent>) clazz);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException("Failed to load authentication event class " + eventClass);
        }
    }
}

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