org.statefulj.demo.ddd.customer.domain.impl.CustomerSessionServiceImpl.java Source code

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Here is the source code for org.statefulj.demo.ddd.customer.domain.impl.CustomerSessionServiceImpl.java

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/***
 * 
 * Copyright 2014 Andrew Hall
 *
 * 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.statefulj.demo.ddd.customer.domain.impl;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.transaction.Transactional;

import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.web.context.HttpSessionSecurityContextRepository;
import org.springframework.stereotype.Service;
import org.statefulj.demo.ddd.customer.domain.Customer;
import org.statefulj.demo.ddd.customer.domain.CustomerSessionDetails;
import org.statefulj.demo.ddd.customer.domain.CustomerSessionService;
import org.statefulj.framework.core.model.Finder;

@Service(value = CustomerSessionService.ID)
@Transactional
class CustomerSessionServiceImpl
        implements CustomerSessionService, UserDetailsService, Finder<Customer, HttpServletRequest> {

    @Resource
    CustomerRepository customerRepo;

    @Override
    public UserDetails loadUserByUsername(String customername) throws UsernameNotFoundException {
        final Customer customer = customerRepo.findByContactInfoEmailEmail(customername);

        if (customer == null) {
            throw new UsernameNotFoundException("Unable to locate " + customername);
        }

        return getDetails(customer);
    }

    @Override
    public Customer find(Class<Customer> clazz, String event, HttpServletRequest context) {
        return findLoggedInCustomer();
    }

    @Override
    public Customer find(Class<Customer> clazz, Object id, String event, HttpServletRequest context) {
        return null;
    }

    @Override
    public Customer findLoggedInCustomer() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        String name = auth.getName(); //get logged in customername
        return customerRepo.findByContactInfoEmailEmail(name);
    }

    @Override
    public void login(HttpSession session, Customer customer) {
        UserDetails customerDetails = this.getDetails(customer);
        UsernamePasswordAuthenticationToken auth = new UsernamePasswordAuthenticationToken(customerDetails,
                customer.getPassword(), customerDetails.getAuthorities());
        SecurityContextHolder.getContext().setAuthentication(auth);
        session.setAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY,
                SecurityContextHolder.getContext());
    }

    private UserDetails getDetails(final Customer customer) {
        return new CustomerSessionDetails(customer);
    }

}