com.greglturnquist.payroll.SpringDataRestEventHandler.java Source code

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Here is the source code for com.greglturnquist.payroll.SpringDataRestEventHandler.java

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/*
 * Copyright 2015 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 com.greglturnquist.payroll;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.rest.core.annotation.HandleBeforeCreate;
import org.springframework.data.rest.core.annotation.RepositoryEventHandler;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;

/**
 * @author Greg Turnquist
 */
// tag::code[]
@Component
@RepositoryEventHandler(Employee.class)
public class SpringDataRestEventHandler {

    private final ManagerRepository managerRepository;

    @Autowired
    public SpringDataRestEventHandler(ManagerRepository managerRepository) {
        this.managerRepository = managerRepository;
    }

    @HandleBeforeCreate
    public void applyUserInformationUsingSecurityContext(Employee employee) {

        String name = SecurityContextHolder.getContext().getAuthentication().getName();
        Manager manager = this.managerRepository.findByName(name);
        if (manager == null) {
            Manager newManager = new Manager();
            newManager.setName(name);
            newManager.setRoles(new String[] { "ROLE_MANAGER" });
            manager = this.managerRepository.save(newManager);
        }
        employee.setManager(manager);
    }
}
// end::code[]