MigrationEngine.java

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package cloudExplorer;

import java.io.File;
import java.util.UUID;

public class MigrationEngine implements Runnable {

    Put put;
    Get get;
    String remoteFile;
    String localFile;
    String bucket;
    String endpoint;
    String restoreSnapshot;
    String access_key;
    String secret_key;
    String object;
    String migration_bucket;
    String migration_endpoint;
    String migration_access_key;
    String migration_secret_key;
    BucketClass Bucket = new BucketClass();
    SyncToS3 synctos3;
    File file_found;
    String win = "\\";
    String lin = "/";
    File check_localFile;
    String Home = System.getProperty("user.home");
    String snapshot;

    MigrationEngine(String AremoteFile, String Abucket, String Aaccess_key, String Asecret_key, String Aendpoint, String Amigration_bucket, String Amigration_access_key, String Amigration_secret_key, String Amigration_endpoint, String Asnapshot, String ArestoreSnapshot) {
        remoteFile = AremoteFile;
        bucket = Abucket;
        access_key = Aaccess_key;
        secret_key = Asecret_key;
        endpoint = Aendpoint;
        migration_bucket = Amigration_bucket;
        migration_access_key = Amigration_access_key;
        migration_secret_key = Amigration_secret_key;
        migration_endpoint = Amigration_endpoint;
        snapshot = Asnapshot;
        restoreSnapshot = ArestoreSnapshot;
    }

    public String Transcode(String what) {
        String transcoded_object = null;
        if (what.contains(win) || (what.contains(lin))) {
            if (what.contains(win) && File.separator.contains(win)) {
                transcoded_object = what;
            }

            if (what.contains(lin) && File.separator.contains(lin)) {
                transcoded_object = what;
            }

            if (what.contains(lin) && File.separator.contains(win)) {
                transcoded_object = what.replace(lin, win);
            }

            if (what.contains(win) && File.separator.contains(lin)) {
                transcoded_object = what.replace(win, lin);
            }

        } else {
            transcoded_object = what;
        }
        return transcoded_object;
    }

    String makeDirectory(String what) {

        if (what.substring(0, 2).contains(":")) {
            what = what.substring(3, what.length());
        }

        if (what.substring(0, 1).contains("/")) {
            what = what.substring(1, what.length());
        }

        if (what.contains("/")) {
            what = what.replace("/", File.separator);
        }

        if (what.contains("\\")) {
            what = what.replace("\\", File.separator);
        }

        int slash_counter = 0;
        int another_counter = 0;

        for (int y = 0; y != what.length(); y++) {
            if (what.substring(y, y + 1).contains(File.separator)) {
                slash_counter++;
                another_counter = y;
            }
        }

        return what;
    }

    public void run() {
        if (SyncManager.running) {
            boolean recopy = false;
            String snapFile_md5String = null;
            String origFile_md5String = null;
            String uuid = Home + File.separator + UUID.randomUUID().toString() + ".cloudexplorerSync";

            try {
                if (restoreSnapshot != null) {
                    snapFile_md5String = Bucket.getObjectInfo(remoteFile.replace(restoreSnapshot, ""), migration_access_key, migration_secret_key, migration_bucket, migration_endpoint, "checkmd5");
                } else {
                    snapFile_md5String = Bucket.getObjectInfo(remoteFile, migration_access_key, migration_secret_key, migration_bucket, migration_endpoint, "checkmd5");
                }
                origFile_md5String = Bucket.getObjectInfo(remoteFile, access_key, secret_key, bucket, endpoint, "checkmd5");

                if (snapFile_md5String == null) {
                    recopy = true;
                } else {
                    if (!snapFile_md5String.contains(origFile_md5String)) {
                        recopy = true;
                    }
                }
            } catch (Exception modifiedChecker) {
                System.out.print("\n\nError:" + modifiedChecker.getMessage() + "\n\n");
            }

            if (recopy) {
                get = new Get(remoteFile, access_key, secret_key, bucket, endpoint, uuid, null);
                get.run();
                if (snapshot != null) {
                    put = new Put(uuid, migration_access_key, migration_secret_key, migration_bucket, migration_endpoint, snapshot, false, false, false);
                } else {
                    if (restoreSnapshot != null) {
                        put = new Put(uuid, migration_access_key, migration_secret_key, migration_bucket, migration_endpoint, remoteFile.replace(restoreSnapshot, ""), false, false, false);
                    } else {
                        put = new Put(uuid, migration_access_key, migration_secret_key, migration_bucket, migration_endpoint, remoteFile, false, false, false);
                    }
                }
                put.run();
                File delete = new File(uuid);
                delete.delete();
            }
        }
    }
}