/*
* Copyright 2007-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.impalaframework.module.loader;
import java.util.ArrayList;
import java.util.List;
import org.impalaframework.exception.ExecutionException;
import org.impalaframework.resolver.ModuleLocationResolver;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.util.ClassUtils;
/**
* @author Phil Zoio
*/
public abstract class ModuleUtils {
public static ClassLoader getParentClassLoader(ApplicationContext parent) {
ClassLoader parentClassLoader = null;
if (parent != null) {
parentClassLoader = parent.getClassLoader();
}
if (parentClassLoader == null) {
parentClassLoader = ClassUtils.getDefaultClassLoader();
}
return parentClassLoader;
}
public static BeanDefinitionRegistry castToBeanDefinitionRegistry(final ConfigurableListableBeanFactory beanFactory) {
if (!(beanFactory instanceof BeanDefinitionRegistry)) {
throw new ExecutionException(beanFactory.getClass().getName() + " is not an instance of "
+ BeanDefinitionRegistry.class.getSimpleName());
}
BeanDefinitionRegistry beanDefinitionRegistry = (BeanDefinitionRegistry) beanFactory;
return beanDefinitionRegistry;
}
public static Resource[] getRootClassLocations(ModuleLocationResolver moduleLocationResolver,
List<String> rootProjects) {
List<Resource> allLocations = new ArrayList<Resource>(rootProjects.size());
for (String rootProjectName : rootProjects) {
List<Resource> locations = moduleLocationResolver.getApplicationModuleClassLocations(rootProjectName);
allLocations.addAll(locations);
}
return allLocations.toArray(new Resource[allLocations.size()]);
}
}