com.opentable.server.ServerConfigConfiguration Maven / Gradle / Ivy

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Wiring for basic Jetty core servlet regardless of MVC or JaxRS choices. Also wires logging, metrics, etc

There is a newer version: 6.0.4

/*
 * 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.opentable.server;

import java.util.Optional;
import java.util.stream.Collectors;

import javax.inject.Inject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.ConfigurableEnvironment;

import com.opentable.service.AppInfo;
import com.opentable.service.EnvInfo;
import com.opentable.spring.ConversionServiceConfiguration;
import com.opentable.spring.PropertySourceUtil;

@Configuration
@Import({
    ConversionServiceConfiguration.class,
    AppInfo.class,
    EnvInfo.class,
})
public class ServerConfigConfiguration {
    private static final String INDENT = "    ";

    @Bean
    public static PropertySourcesPlaceholderConfigurer propertyConfig() {
        return new PropertySourcesPlaceholderConfigurer();
    }

    @Inject
    public void logAppConfig(final ConfigurableEnvironment env) {
        final Logger log = LoggerFactory.getLogger(ServerConfigConfiguration.class);
        log.info("{}:\n\n{}{}\n", env, INDENT,
            PropertySourceUtil.getKeys(env)
                .sorted()
                .distinct()
                .map(k -> {
                    try {
                        return k + "=" + Optional.ofNullable(env.getProperty(k)).orElse("null")
                            .replace("\n", "\\n");
                    } catch (Exception e) {
                        return k + "= Error: " + e.getMessage();
                    }
                })
                .collect(Collectors.joining("\n" + INDENT)));
    }

}