/*
 * AppWebXml.java
 *
 */
package pl.dziedziul;

import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;

import pl.dziedziul.app.web.Application;

public class AppWebXml extends SpringBootServletInitializer {

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        final SpringApplicationBuilder applicationBuilder = application.sources(Application.class);
        String applicationName =  extractContextName(application);
        //app will load properties from /home/tomcat/conf/<context-path>.properties
        applicationBuilder.properties("spring.config.name:"+applicationName);

        return applicationBuilder;
    }

      private String extractContextName(SpringApplicationBuilder application) {
        String contextName = ((WebappClassLoader) application.application().getClassLoader()).getContextName();
        if (!StringUtils.isEmpty(contextName)){
            contextName = contextName.substring(1);
        } else {
            throw new RuntimeException("Cannot get context name of webapp");
        }
        return contextName;
    }

}