com.gitlab.spacetrucker.modularspringcontexts.module.ModuleStartup Maven / Gradle / Ivy
package com.gitlab.spacetrucker.modularspringcontexts.module;
import java.util.Collections;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.GenericApplicationContext;
/**
* Utility class for creating an application context that supports the
* definition of modules and bean imports.
*/
public final class ModuleStartup {
private ModuleStartup() {
throw new UnsupportedOperationException();
}
/**
* Creates and starts a module based on a bean xml configuration.
*
* The {@code moduleRootConfig} spring xml context definition is intended to
* only contain the definitions of the root modules and their dependencies
* amongst each other.
*
* @param moduleRootConfig
* from which the root module is created
* @return the newly created module
*/
public static ConfigurableApplicationContext startModules(String moduleRootConfig) {
@SuppressWarnings("resource")
GenericApplicationContext moduleRootContext = new GenericApplicationContext();
AbstractBeanDefinition moduleRootBeanDefinition = ModularSpringContextsModuleBeanDefinitionParser
.createBeanDefinition(Collections.singletonList(moduleRootConfig), Collections.emptyList(),
null);
moduleRootContext.registerBeanDefinition("moduleRoot", moduleRootBeanDefinition);
moduleRootContext.refresh();
ConfigurableApplicationContext moduleRoot = moduleRootContext.getBean("moduleRoot",
ConfigurableApplicationContext.class);
moduleRoot.setParent(null);
return moduleRoot;
}
}