Example usage for org.springframework.beans.factory.support AbstractBeanDefinitionReader setResourceLoader

Introduction

In this page you can find the example usage for org.springframework.beans.factory.support AbstractBeanDefinitionReader setResourceLoader.

Prototype

public void setResourceLoader(@Nullable ResourceLoader resourceLoader) 

Source Link

Document

Set the ResourceLoader to use for resource locations.

Usage

From source file:org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.java

private void loadBeanDefinitionsFromImportedResources(
        Map<String, Class<? extends BeanDefinitionReader>> importedResources) {

    Map<Class<?>, BeanDefinitionReader> readerInstanceCache = new HashMap<>();

    for (Map.Entry<String, Class<? extends BeanDefinitionReader>> entry : importedResources.entrySet()) {
        String resource = entry.getKey();
        Class<? extends BeanDefinitionReader> readerClass = entry.getValue();

        // Default reader selection necessary?
        if (BeanDefinitionReader.class == readerClass) {
            if (StringUtils.endsWithIgnoreCase(resource, ".groovy")) {
                // When clearly asking for Groovy, that's what they'll get...
                readerClass = GroovyBeanDefinitionReader.class;
            } else {
                // Primarily ".xml" files but for any other extension as well
                readerClass = XmlBeanDefinitionReader.class;
            }// ww  w  .jav  a  2  s  .  c om
        }

        BeanDefinitionReader reader = readerInstanceCache.get(readerClass);
        if (reader == null) {
            try {
                // Instantiate the specified BeanDefinitionReader
                reader = readerClass.getConstructor(BeanDefinitionRegistry.class).newInstance(this.registry);
                // Delegate the current ResourceLoader to it if possible
                if (reader instanceof AbstractBeanDefinitionReader) {
                    AbstractBeanDefinitionReader abdr = ((AbstractBeanDefinitionReader) reader);
                    abdr.setResourceLoader(this.resourceLoader);
                    abdr.setEnvironment(this.environment);
                }
                readerInstanceCache.put(readerClass, reader);
            } catch (Throwable ex) {
                throw new IllegalStateException(
                        "Could not instantiate BeanDefinitionReader class [" + readerClass.getName() + "]");
            }
        }

        // TODO SPR-6310: qualify relative path locations as done in AbstractContextLoader.modifyLocations
        reader.loadBeanDefinitions(resource);
    }
}

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