io.scalecube.config.examples.LocalResourceConfigExample Maven / Gradle / Ivy

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package io.scalecube.config.examples;

import io.scalecube.config.ConfigRegistry;
import io.scalecube.config.ConfigRegistrySettings;
import io.scalecube.config.StringConfigProperty;
import io.scalecube.config.source.ClassPathConfigSource;
import io.scalecube.config.source.FileDirectoryConfigSource;
import java.nio.file.Path;
import java.util.function.Predicate;

@SuppressWarnings("OptionalGetWithoutIsPresent")
public class LocalResourceConfigExample {

  /**
   * Main method of example of local resource config.
   *
   * @param args program arguments
   */
  public static void main(String[] args) {
    Predicate propsPredicate = path -> path.toString().endsWith(".props");

    String basePath = "config-examples/config";

    ConfigRegistry configRegistry =
        ConfigRegistry.create(
            ConfigRegistrySettings.builder()
                .addLastSource("classpath", new ClassPathConfigSource(propsPredicate))
                .addLastSource(
                    "configDirectory", new FileDirectoryConfigSource(basePath, propsPredicate))
                .jmxEnabled(false)
                .build());

    StringConfigProperty prop1 = configRegistry.stringProperty("prop1");
    StringConfigProperty prop2 = configRegistry.stringProperty("prop2");

    System.out.println("### Classpath property: prop1=" + prop1.value().get());
    System.out.println("### Property existing only in filesystem: prop2=" + prop2.value().get());
  }
}