/**
*
* Copyright 2005 Unity Systems, LLC. http://www.unity-systems.com
*
* 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.servicemix.client;
import java.io.File;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
/**
*
* A helper class that is able to take an installation root and look for a
* spring configuration XML
*
* @author <a href="mailto:pdodds@unity-systems.com">Philip Dodds </a>
*
*/
public class SpringBuilder {
private static final String SPRING_CONFIG = "jbi-spring.xml";
/**
* Checks whether a META-INF/spring-jbi.xml exists under the
* installationRoot
*
* @param installationRoot
* The installation root from the JBI container
* @return True if META-INF/spring-jbi.xml exists
*/
public static boolean hasSpringXml(String installationRoot) {
return getSpringConfigFile(installationRoot).exists();
}
/**
* Loads the META-INF/spring-jbi.xml as an ApplicationContext
*
* @param installationRoot
* The installation root from the JBI container
* @return The generated ApplicationContext from Spring
*/
public static ApplicationContext getSpringBeans(String installationRoot) {
Thread.currentThread().setContextClassLoader(
SpringBuilder.class.getClassLoader());
FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext(
getSpringConfigFile(installationRoot).getAbsolutePath());
return context;
}
/**
* Helper method that creates a Java File object pointing at the config file
*
* @param installationRoot
* @return
*/
private static File getSpringConfigFile(String installationRoot) {
return new File(installationRoot + "/META-INF", SPRING_CONFIG);
}
}