/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 helloworld;

import java.security.Principal;

import javax.security.auth.Subject;

import org.osoa.sca.RequestContext;
import org.osoa.sca.annotations.Context;
import org.osoa.sca.annotations.Service;

/**
 * This class implements the HelloWorld service.
 */
@Service(HelloWorldService.class)
public class HelloWorldServiceImpl implements HelloWorldService {

    @Context
    protected RequestContext requestContext;
    
    public String getGreetings(String name) {
        Subject subject = requestContext.getSecuritySubject();
        
        if (subject == null){
            return "Hello " + name + " null subject";
        } else {
        	String response = "Hello " + name + " ";
        	
        	for (Principal principal : subject.getPrincipals()){
        		response += principal.getName();
        	}
        	
            return response + " ";
        }
    }

}