322 lines
13 KiB
Java
322 lines
13 KiB
Java
package cloudControllerInstances;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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import org.apache.commons.io.FileUtils;
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import com.google.api.client.auth.oauth2.Credential;
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import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
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import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;
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import com.google.api.client.googleapis.auth.oauth2.GoogleAuthorizationCodeFlow;
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import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets;
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import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
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import com.google.api.client.http.FileContent;
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import com.google.api.client.http.HttpTransport;
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import com.google.api.client.json.JsonFactory;
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import com.google.api.client.json.jackson2.JacksonFactory;
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import com.google.api.client.util.DateTime;
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import com.google.api.client.util.store.FileDataStoreFactory;
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import com.google.api.services.drive.Drive;
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import com.google.api.services.drive.Drive.Files;
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import com.google.api.services.drive.DriveScopes;
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import com.google.api.services.drive.model.File;
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import com.google.api.services.drive.model.FileList;
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public class GoogleDriveController {
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Drive service;
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private String cemuDirectory;
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private String folderID;
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private ArrayList<java.io.File> localSavegames = new ArrayList<>();
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private ArrayList<File> cloudSavegames = new ArrayList<>();
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private ArrayList<String> localSavegamesName = new ArrayList<>();
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private ArrayList<String> cloudSavegamesName = new ArrayList<>();
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private final String APPLICATION_NAME ="cemu_Ui Drive API Controller";
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//Directory to store user credentials for this application
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private final java.io.File DATA_STORE_DIR = new java.io.File(System.getProperty("user.home"), ".credentials/cemu_UI_credential");
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//Global instance of the {@link FileDataStoreFactory}
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private FileDataStoreFactory DATA_STORE_FACTORY;
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//Global instance of the JSON factory
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private final JsonFactory JSON_FACTORY =JacksonFactory.getDefaultInstance();
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//Global instance of the HTTP transport
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private HttpTransport HTTP_TRANSPORT;
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/**If modifying these scopes, delete your previously saved credentials
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* at ~/.credentials/cemu_UI_credential
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*/
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private final java.util.Collection<String> SCOPES = DriveScopes.all();
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public GoogleDriveController() {
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try {
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HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
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DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);
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folderID = "";
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} catch (Throwable t) {
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t.printStackTrace();
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System.exit(1);
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}
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}
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/**
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* Creates an authorized Credential object.
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* @return an authorized Credential object.
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* @throws IOException
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*/
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public Credential authorize() throws IOException {
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// Load client secrets.
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InputStream in = getClass().getClassLoader().getResourceAsStream("recources/client_secret.json");
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GoogleClientSecrets clientSecrets = GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));
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// Build flow and trigger user authorization request.
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GoogleAuthorizationCodeFlow flow =
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new GoogleAuthorizationCodeFlow.Builder(HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
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.setDataStoreFactory(DATA_STORE_FACTORY)
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.setAccessType("offline")
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.build();
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Credential credential = new AuthorizationCodeInstalledApp(flow, new LocalServerReceiver()).authorize("user");
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System.out.println("Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
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return credential;
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}
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/**
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* Build and return an authorized Drive client service.
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* @return an authorized Drive client service
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* @throws IOException
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*/
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public Drive getDriveService() throws IOException {
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Credential credential = authorize();
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return new Drive.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
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.setApplicationName(APPLICATION_NAME)
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.build();
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}
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public void main(String cemuDirectory) throws IOException {
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service = getDriveService();
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this.cemuDirectory = cemuDirectory;
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}
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public void sync(String cemuDirectory) throws IOException {
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getLocalSavegames();
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//
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// if (!checkFolder()) {
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// creatFolder();
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//
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// for (int i = 0; i < localSavegames.size(); i++) {
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// uploadFile(localSavegames.get(i));
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// }
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// } else {
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getCloudSavegames();
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// System.out.println(cloudSavegames.size() + "; " + localSavegames.size() + "; " + localSavegamesName.size());
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// download files from cloud which don't exist locally
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for (int i = 0; i < cloudSavegames.size(); i++) {
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// System.out.println(localSavegamesName.get(i)+";"+cloudSavegames.get(i).getName());
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// System.out.println(localSavegames.get(a).getName()+";"+cloudSavegames.get(i).getName().substring(9,cloudSavegames.get(i).getName().length()));
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// if the file exists locally, check which one is newer
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if (localSavegamesName.contains(cloudSavegames.get(i).getName())) {
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int localSavegamesNumber = localSavegamesName.indexOf(cloudSavegames.get(i).getName());
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long localModified = new DateTime(localSavegames.get(localSavegamesNumber).lastModified()).getValue();
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long cloudModified = cloudSavegames.get(i).getModifiedTime().getValue();
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FileInputStream fis = new FileInputStream(localSavegames.get(localSavegamesNumber));
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// // System.out.println(localSavegamesNumber);
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//// System.out.println(localSavegames.get(localSavegamesNumber).getName() + "; " + cloudSavegames.get(i).getName());
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// System.out.println(localModified + "; " + cloudModified);
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//// System.out.println(new Date(localModified) + "; " + new Date(cloudModified));
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// if (localModified == cloudModified) {
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// System.out.println("both files are the same, nothing to do \n");
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// } else if (localModified >= cloudModified) {
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// System.out.println("\nlocal is newer, going to upload local file");
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// System.out.println("uploading "+ localSavegames.get(localSavegamesNumber).getName()+"("+new Date(localModified)+")");
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//// updateFile(cloudSavegames.get(i), localSavegames.get(localSavegamesNumber));
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// } else {
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// System.out.println("\ncloud is newer, going to download cloud file");
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// System.out.println("downloading "+ cloudSavegames.get(i).getName() + "(" + new Date(cloudModified) + ")");
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//// downloadFile(cloudSavegames.get(i));
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// }
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if (cloudSavegames.get(i).getMd5Checksum().equals(org.apache.commons.codec.digest.DigestUtils.md5Hex(fis))) {
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System.out.println("both files are the same, nothing to do");
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} else {
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if (localModified >= cloudModified) {
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System.out.print("local is newer, ");
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updateFile(cloudSavegames.get(i), localSavegames.get(localSavegamesNumber));
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} else {
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System.out.print("cloud is newer, ");
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downloadFile(cloudSavegames.get(i));
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}
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}
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} else {
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System.out.print("file doesn't exist locally, ");
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downloadFile(cloudSavegames.get(i));
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}
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}
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// upload file to cloud which don't exist in the cloud
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for (int j = 0; j < localSavegames.size(); j++) {
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if (!cloudSavegamesName.contains(localSavegamesName.get(j))) {
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System.out.print("file doesn't exist in the cloud, ");
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uploadFile(localSavegames.get(j));
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}
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}
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// }
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}
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//create a folder in google drive
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public void creatFolder() throws IOException {
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System.out.println("creating new folder");
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File fileMetadata = new File();
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fileMetadata.setName("cemu_savegames");
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fileMetadata.setMimeType("application/vnd.google-apps.folder");
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File file = service.files().create(fileMetadata).setFields("id").execute();
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System.out.println("Folder ID: " + file.getId());
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folderID = file.getId();
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}
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//check if folder already exist
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public boolean checkFolder() {
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try {
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Files.List request = service.files().list().setQ("mimeType = 'application/vnd.google-apps.folder' and name = 'cemu_savegames'");
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FileList files = request.execute();
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if(files.getFiles().size() == 0) {
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return false;
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} else {
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return true;
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}
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} catch (IOException e) {
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e.printStackTrace();
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return false;
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}
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}
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//reading all local savegames
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private void getLocalSavegames() throws IOException {
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java.io.File dir = new java.io.File(cemuDirectory+"/mlc01/emulatorSave");
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String[] extensions = new String[] { "dat" };
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System.out.println("Getting all .dat files in " + dir.getCanonicalPath()+" including those in subdirectories \n");
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List<java.io.File> files = (List<java.io.File>) FileUtils.listFiles(dir, extensions, true);
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for (java.io.File file : files) {
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localSavegamesName.add(file.getParentFile().getName()+"_"+file.getName());
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localSavegames.add(file);
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// System.out.println(file.getAbsolutePath());
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// System.out.println(file.getParentFile().getName());
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// System.out.println(file.lastModified());
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// System.out.println(file.getName()+"\n");
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}
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}
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//reading all cloud savegames
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private void getCloudSavegames() throws IOException {
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System.out.println("getting all cloud savegames");
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Files.List request = service.files().list().setQ("fileExtension = 'dat' and '"+folderID+"' in parents").setFields("nextPageToken, files(id, name, size, modifiedTime, createdTime, md5Checksum)");
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FileList files = request.execute();
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for (File file : files.getFiles()) {
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cloudSavegamesName.add(file.getName());
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cloudSavegames.add(file);
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// System.out.println(file.getName());
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// System.out.println(file.getModifiedTime()+"\n");
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}
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}
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//upload a file to the cloud from the local savegames folder
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public void uploadFile(java.io.File uploadFile) throws IOException{
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System.out.println("uploading " + uploadFile.getName() + "...");
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File fileMetadata = new File();
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fileMetadata.setName(uploadFile.getParentFile().getName()+"_"+uploadFile.getName());
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fileMetadata.setParents(Collections.singletonList(folderID));
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// System.out.println(new DateTime(uploadFile.lastModified())+"; "+ new DateTime(uploadFile.lastModified()).getTimeZoneShift());
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fileMetadata.setModifiedTime(new DateTime(uploadFile.lastModified()));
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// System.out.println(fileMetadata.getModifiedTime()+"; "+fileMetadata.getModifiedTime().getTimeZoneShift());
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FileContent mediaContent = new FileContent("", uploadFile);
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File file = service.files().create(fileMetadata, mediaContent).setFields("id, parents").execute();
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System.out.println("File ID: " + file.getId());
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}
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//download a file from the cloud to the local savegames folder
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private void downloadFile(File downloadFile) throws IOException{
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System.out.print("downloading "+downloadFile.getName()+"... ");
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// String directory = downloadFile.getName().substring(0,8);
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java.io.File directoryFile = new java.io.File(cemuDirectory+"/mlc01/emulatorSave/"+ downloadFile.getName().substring(0,8));
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String file = downloadFile.getName().substring(9,downloadFile.getName().length());
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// System.out.println(cemuDirectory+"/mlc01/emulatorSave/"+ directory +"/"+ file);
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// System.out.println("DownloadfileID: " + downloadFile.getId());
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if(!directoryFile.exists()) {
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System.out.println("dir dosent exist");
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directoryFile.mkdir();
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}
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OutputStream outputStream = new FileOutputStream(directoryFile +"/"+ file); //TODO needs to be tested
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service.files().get(downloadFile.getId()).executeMediaAndDownloadTo(outputStream);
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System.out.println("done");
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}
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//update a file in the cloud, by deleting the old one and uploading an new with the same id
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private void updateFile(File oldFile, java.io.File newFile) throws IOException {
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System.out.println("updating " +oldFile.getName()+"... ");
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service.files().delete(oldFile.getId()).execute(); //deleting old file
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//uploading new file
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File fileMetadata = new File();
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fileMetadata.setName(newFile.getParentFile().getName()+"_"+newFile.getName());
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fileMetadata.setParents(Collections.singletonList(folderID));
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fileMetadata.setModifiedTime(new DateTime(newFile.lastModified()));
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FileContent mediaContent = new FileContent("", newFile);
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File file = service.files().create(fileMetadata, mediaContent).setFields("id, parents").execute();
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System.out.println("File ID: " + file.getId());
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}
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public void uploadAllFiles() {
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new Thread() {
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public void run() {
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try {
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getLocalSavegames();
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for (int i = 0; i < localSavegames.size(); i++) {
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uploadFile(localSavegames.get(i));
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}
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} catch (IOException e) {
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//Auto-generated catch block
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e.printStackTrace();
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}
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}
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}.start();
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}
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public String getFolderID() {
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return folderID;
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}
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public void setFolderID(String folderID) {
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this.folderID = folderID;
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}
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}
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