org.nocrala.tools.database.sentinel.plugin.ShowSnapshotOperation Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sentinel-abstract-plugin Show documentation

The newest version!

package org.nocrala.tools.database.sentinel.plugin;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;

import org.nocrala.tools.database.sentinel.BuildInformation;
import org.nocrala.tools.database.sentinel.Snapshot;
import org.nocrala.tools.database.sentinel.SnapshotRenderer;
import org.nocrala.tools.database.sentinel.util.XUtil;

public class ShowSnapshotOperation {

  private File snapshotfile = null;

  public ShowSnapshotOperation(final File snapshotfile) {
    this.snapshotfile = snapshotfile;
  }

  public void execute(final Feedback feedback) throws Exception {

    feedback.info("Sentinel " + BuildInformation.VERSION + " - build " + BuildInformation.BUILD_ID);

    // 1. Load the snapshot

    Snapshot s = null;
    try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(this.snapshotfile))) {
      s = Snapshot.readFrom(bis);
    } catch (Throwable e) {
      throw new Exception("Could not load snapshot: " + XUtil.renderThrowable(e));
    }

    // 2. Display snapshot's summary

    SnapshotRenderer r = new SnapshotRenderer();
    feedback.info("Snapshot file: " + this.snapshotfile.getPath());
    s.renderHeader().stream().forEach(l -> feedback.info(l));
    r.render(s).stream().forEach(l -> feedback.info(l));
    feedback.info(" ");

  }

}