audit-service/src/main/java/org/apache/logging/log4j/audit/AuditService.java

/*
 * 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 org.apache.logging.log4j.audit;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import org.apache.logging.log4j.catalog.api.util.ProfileUtil;

import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.support.SpringBootServletInitializer;

/**
 *
 */
@SpringBootApplication
public class AuditService extends SpringBootServletInitializer {
    private static final String SPRING_PROFILE = "spring.profiles.active";

    public static void main(String[] args) {
        SpringApplicationBuilder builder = new SpringApplicationBuilder().profiles(getActiveProfile())
            .sources(AuditService.class);
        builder.run(args);
    }

    /**
     * Get the active profile if none has been specified.
     */
    public static String getActiveProfile() {
        String springProfile = System.getProperty(SPRING_PROFILE);
        if (springProfile == null) {
            springProfile = System.getenv(SPRING_PROFILE);
        }
        if (springProfile == null) {
            Properties props = loadProperties();
            springProfile = props.getProperty(SPRING_PROFILE);
            if (springProfile == null) {
                springProfile = "eclipseLink";
            }
        }
        return springProfile;
    }

    private static Properties loadProperties() {
        Properties props = new Properties();
        String env = System.getProperty("env");
        if (env == null) {
            env = System.getenv("env");
        }
        StringBuilder sb = new StringBuilder("catalog-");
        if (env != null) {
            sb.append(env);
        }
        sb.append("config.properties");
        InputStream is = ProfileUtil.class.getClassLoader().getResourceAsStream(sb.toString());
        if (is != null) {
            try {
                props.load(is);
            } catch (IOException ioe) {
                //Ignore the error.
            }
        }
        return props;
    }

}