kz.greetgo.scheduling.collector.SchedulerConfigStoreInFile Maven / Gradle / Ivy

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There is a newer version: 3.1.1

package kz.greetgo.scheduling.collector;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import static java.nio.charset.StandardCharsets.UTF_8;

public class SchedulerConfigStoreInFile implements SchedulerConfigStore {

  private final Path root;

  public SchedulerConfigStoreInFile(Path rootPath) {
    root = rootPath;
  }

  @Override
  public boolean exists(String location) {
    return Files.exists(root.resolve(location));
  }

  @Override
  public String getContent(String location) {
    try {

      if (Files.exists(root.resolve(location))) {
        return new String(Files.readAllBytes(root.resolve(location)), UTF_8);
      }

      return null;

    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public void setContent(String location, String content) {
    Path path = root.resolve(location);

    if (content == null) {
      try {
        Files.delete(path);
      } catch (java.nio.file.NoSuchFileException ignore) {
        return;
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
      return;
    }

    //noinspection ResultOfMethodCallIgnored
    path.toFile().getParentFile().mkdirs();
    try {
      Files.write(path, content.getBytes(UTF_8));
    } catch (IOException e) {
      throw new RuntimeException(e);
    }

  }

  @Override
  public long lastModifiedMillis(String location) {
    try {
      return Files.getLastModifiedTime(root.resolve(location)).toMillis();
    } catch (java.nio.file.NoSuchFileException ignore) {
      return 0;
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public String placeInfo(String location) {
    return root.resolve(location).toString();
  }
}