Example usage for java.io File createNewFile

Introduction

In this page you can find the example usage for java.io File createNewFile.

Prototype

public boolean createNewFile() throws IOException 

Source Link

Document

Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist.

Usage

From source file:com.cws.esolutions.security.main.PasswordUtility.java

public static void main(final String[] args) {
    final String methodName = PasswordUtility.CNAME + "#main(final String[] args)";

    if (DEBUG) {//from w  ww.j  av a 2s  .  c  o  m
        DEBUGGER.debug("Value: {}", methodName);
    }

    if (args.length == 0) {
        HelpFormatter usage = new HelpFormatter();
        usage.printHelp(PasswordUtility.CNAME, options, true);

        System.exit(1);
    }

    BufferedReader bReader = null;
    BufferedWriter bWriter = null;

    try {
        // load service config first !!
        SecurityServiceInitializer.initializeService(PasswordUtility.SEC_CONFIG, PasswordUtility.LOG_CONFIG,
                false);

        if (DEBUG) {
            DEBUGGER.debug("Options options: {}", options);

            for (String arg : args) {
                DEBUGGER.debug("Value: {}", arg);
            }
        }

        CommandLineParser parser = new PosixParser();
        CommandLine commandLine = parser.parse(options, args);

        if (DEBUG) {
            DEBUGGER.debug("CommandLineParser parser: {}", parser);
            DEBUGGER.debug("CommandLine commandLine: {}", commandLine);
            DEBUGGER.debug("CommandLine commandLine.getOptions(): {}", (Object[]) commandLine.getOptions());
            DEBUGGER.debug("CommandLine commandLine.getArgList(): {}", commandLine.getArgList());
        }

        final SecurityConfigurationData secConfigData = PasswordUtility.svcBean.getConfigData();
        final SecurityConfig secConfig = secConfigData.getSecurityConfig();
        final PasswordRepositoryConfig repoConfig = secConfigData.getPasswordRepo();
        final SystemConfig systemConfig = secConfigData.getSystemConfig();

        if (DEBUG) {
            DEBUGGER.debug("SecurityConfigurationData secConfig: {}", secConfigData);
            DEBUGGER.debug("SecurityConfig secConfig: {}", secConfig);
            DEBUGGER.debug("RepositoryConfig secConfig: {}", repoConfig);
            DEBUGGER.debug("SystemConfig systemConfig: {}", systemConfig);
        }

        if (commandLine.hasOption("encrypt")) {
            if ((StringUtils.isBlank(repoConfig.getPasswordFile()))
                    || (StringUtils.isBlank(repoConfig.getSaltFile()))) {
                System.err.println("The password/salt files are not configured. Entries will not be stored!");
            }

            File passwordFile = FileUtils.getFile(repoConfig.getPasswordFile());
            File saltFile = FileUtils.getFile(repoConfig.getSaltFile());

            if (DEBUG) {
                DEBUGGER.debug("File passwordFile: {}", passwordFile);
                DEBUGGER.debug("File saltFile: {}", saltFile);
            }

            final String entryName = commandLine.getOptionValue("entry");
            final String username = commandLine.getOptionValue("username");
            final String password = commandLine.getOptionValue("password");
            final String salt = RandomStringUtils.randomAlphanumeric(secConfig.getSaltLength());

            if (DEBUG) {
                DEBUGGER.debug("String entryName: {}", entryName);
                DEBUGGER.debug("String username: {}", username);
                DEBUGGER.debug("String password: {}", password);
                DEBUGGER.debug("String salt: {}", salt);
            }

            final String encodedSalt = PasswordUtils.base64Encode(salt);
            final String encodedUserName = PasswordUtils.base64Encode(username);
            final String encryptedPassword = PasswordUtils.encryptText(password, salt,
                    secConfig.getSecretAlgorithm(), secConfig.getIterations(), secConfig.getKeyBits(),
                    secConfig.getEncryptionAlgorithm(), secConfig.getEncryptionInstance(),
                    systemConfig.getEncoding());
            final String encodedPassword = PasswordUtils.base64Encode(encryptedPassword);

            if (DEBUG) {
                DEBUGGER.debug("String encodedSalt: {}", encodedSalt);
                DEBUGGER.debug("String encodedUserName: {}", encodedUserName);
                DEBUGGER.debug("String encodedPassword: {}", encodedPassword);
            }

            if (commandLine.hasOption("store")) {
                try {
                    new File(passwordFile.getParent()).mkdirs();
                    new File(saltFile.getParent()).mkdirs();

                    boolean saltFileExists = (saltFile.exists()) ? true : saltFile.createNewFile();

                    if (DEBUG) {
                        DEBUGGER.debug("saltFileExists: {}", saltFileExists);
                    }

                    // write the salt out first
                    if (!(saltFileExists)) {
                        throw new IOException("Unable to create salt file");
                    }

                    boolean passwordFileExists = (passwordFile.exists()) ? true : passwordFile.createNewFile();

                    if (!(passwordFileExists)) {
                        throw new IOException("Unable to create password file");
                    }

                    if (commandLine.hasOption("replace")) {
                        File[] files = new File[] { saltFile, passwordFile };

                        if (DEBUG) {
                            DEBUGGER.debug("File[] files: {}", (Object) files);
                        }

                        for (File file : files) {
                            if (DEBUG) {
                                DEBUGGER.debug("File: {}", file);
                            }

                            String currentLine = null;
                            File tmpFile = new File(FileUtils.getTempDirectory() + "/" + "tmpFile");

                            if (DEBUG) {
                                DEBUGGER.debug("File tmpFile: {}", tmpFile);
                            }

                            bReader = new BufferedReader(new FileReader(file));
                            bWriter = new BufferedWriter(new FileWriter(tmpFile));

                            while ((currentLine = bReader.readLine()) != null) {
                                if (!(StringUtils.equals(currentLine.trim().split(",")[0], entryName))) {
                                    bWriter.write(currentLine + System.getProperty("line.separator"));
                                    bWriter.flush();
                                }
                            }

                            bWriter.close();

                            FileUtils.deleteQuietly(file);
                            FileUtils.copyFile(tmpFile, file);
                            FileUtils.deleteQuietly(tmpFile);
                        }
                    }

                    FileUtils.writeStringToFile(saltFile, entryName + "," + encodedUserName + "," + encodedSalt
                            + System.getProperty("line.separator"), true);
                    FileUtils.writeStringToFile(passwordFile, entryName + "," + encodedUserName + ","
                            + encodedPassword + System.getProperty("line.separator"), true);
                } catch (IOException iox) {
                    ERROR_RECORDER.error(iox.getMessage(), iox);
                }
            }

            System.out.println("Entry Name " + entryName + " stored.");
        }

        if (commandLine.hasOption("decrypt")) {
            String saltEntryName = null;
            String saltEntryValue = null;
            String decryptedPassword = null;
            String passwordEntryName = null;

            if ((StringUtils.isEmpty(commandLine.getOptionValue("entry"))
                    && (StringUtils.isEmpty(commandLine.getOptionValue("username"))))) {
                throw new ParseException("No entry or username was provided to decrypt.");
            }

            if (StringUtils.isEmpty(commandLine.getOptionValue("username"))) {
                throw new ParseException("no entry provided to decrypt");
            }

            String entryName = commandLine.getOptionValue("entry");
            String username = commandLine.getOptionValue("username");

            if (DEBUG) {
                DEBUGGER.debug("String entryName: {}", entryName);
                DEBUGGER.debug("String username: {}", username);
            }

            File passwordFile = FileUtils.getFile(repoConfig.getPasswordFile());
            File saltFile = FileUtils.getFile(repoConfig.getSaltFile());

            if (DEBUG) {
                DEBUGGER.debug("File passwordFile: {}", passwordFile);
                DEBUGGER.debug("File saltFile: {}", saltFile);
            }

            if ((!(saltFile.canRead())) || (!(passwordFile.canRead()))) {
                throw new IOException(
                        "Unable to read configured password/salt file. Please check configuration and/or permissions.");
            }

            for (String lineEntry : FileUtils.readLines(saltFile, systemConfig.getEncoding())) {
                saltEntryName = lineEntry.split(",")[0];

                if (DEBUG) {
                    DEBUGGER.debug("String saltEntryName: {}", saltEntryName);
                }

                if (StringUtils.equals(saltEntryName, entryName)) {
                    saltEntryValue = PasswordUtils.base64Decode(lineEntry.split(",")[2]);

                    break;
                }
            }

            if (StringUtils.isEmpty(saltEntryValue)) {
                throw new SecurityException("No entries were found that matched the provided information");
            }

            for (String lineEntry : FileUtils.readLines(passwordFile, systemConfig.getEncoding())) {
                passwordEntryName = lineEntry.split(",")[0];

                if (DEBUG) {
                    DEBUGGER.debug("String passwordEntryName: {}", passwordEntryName);
                }

                if (StringUtils.equals(passwordEntryName, saltEntryName)) {
                    String decodedPassword = PasswordUtils.base64Decode(lineEntry.split(",")[2]);

                    decryptedPassword = PasswordUtils.decryptText(decodedPassword, saltEntryValue,
                            secConfig.getSecretAlgorithm(), secConfig.getIterations(), secConfig.getKeyBits(),
                            secConfig.getEncryptionAlgorithm(), secConfig.getEncryptionInstance(),
                            systemConfig.getEncoding());

                    break;
                }
            }

            if (StringUtils.isEmpty(decryptedPassword)) {
                throw new SecurityException("No entries were found that matched the provided information");
            }

            System.out.println(decryptedPassword);
        } else if (commandLine.hasOption("encode")) {
            System.out.println(PasswordUtils.base64Encode((String) commandLine.getArgList().get(0)));
        } else if (commandLine.hasOption("decode")) {
            System.out.println(PasswordUtils.base64Decode((String) commandLine.getArgList().get(0)));
        }
    } catch (IOException iox) {
        ERROR_RECORDER.error(iox.getMessage(), iox);

        System.err.println("An error occurred during processing: " + iox.getMessage());
        System.exit(1);
    } catch (ParseException px) {
        ERROR_RECORDER.error(px.getMessage(), px);

        System.err.println("An error occurred during processing: " + px.getMessage());
        System.exit(1);
    } catch (SecurityException sx) {
        ERROR_RECORDER.error(sx.getMessage(), sx);

        System.err.println("An error occurred during processing: " + sx.getMessage());
        System.exit(1);
    } catch (SecurityServiceException ssx) {
        ERROR_RECORDER.error(ssx.getMessage(), ssx);
        System.exit(1);
    } finally {
        try {
            if (bReader != null) {
                bReader.close();
            }

            if (bWriter != null) {
                bReader.close();
            }
        } catch (IOException iox) {
        }
    }

    System.exit(0);
}

---

From source file:Main.java

public static File creatDataFile(String fileName) throws IOException {
    File file = new File(fileName);
    file.createNewFile();
    return file;/*from   w  ww.j a v a 2 s .co m*/
}

---

From source file:Main.java

private static void writeToFile(File file, String uuid) throws IOException {
    file.createNewFile();
    FileOutputStream out = new FileOutputStream(file);
    out.write(uuid.getBytes());//from  w  ww .  j a  va 2 s .  com
    out.close();
}

---

From source file:Main.java

public static boolean canWriteTo(File dir) {
    try {/*  w ww  .  ja  v  a 2s.c o m*/
        File tmp = new File(dir, "del.me");
        tmp.createNewFile();
        tmp.deleteOnExit();
        tmp.delete();
        return true;
    } catch (Exception ex) {
        return false;
    }

}

---

From source file:Main.java

public static File creatSDFile(String fileRelativePath) throws IOException {
    File file = new File(SD_CARD_PATH + fileRelativePath);
    file.createNewFile();
    return file;//from   ww w .  ja v  a2s . c om
}

---

From source file:Main.java

public static void WriteFile(String file, String message) throws IOException {
    File f = new File(file);
    if (!f.exists()) {
        f.createNewFile();
    }/*  w  w  w.  j  a  v  a 2  s  .  com*/
    FileOutputStream fout = new FileOutputStream(file);
    byte[] bytes = message.getBytes();
    fout.write(bytes);
    fout.close();
}

---

From source file:Main.java

public static void putImageInCache(File file, Bitmap bmp) {
    try {//from w w w .  ja v  a  2  s .  c o  m
        file.createNewFile();
        FileOutputStream out = new FileOutputStream(file);
        bmp.compress(Bitmap.CompressFormat.PNG, 80, out);
        Log.d("CACHE", "FILE : " + out.toString());
        out.flush();
        out.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static boolean saveScreenshot(Activity activity, String fileName, Bitmap screenshot, boolean sdcard) {
    try {//w  w w.j  a  v a2 s  .c  o  m
        FileOutputStream fos = null;
        if (!sdcard) {
            fos = activity.openFileOutput(fileName, Context.MODE_WORLD_READABLE);
        } else {
            File f = new File(fileName);
            f.createNewFile();
            fos = new FileOutputStream(f);
        }
        screenshot.compress(Bitmap.CompressFormat.JPEG, 70, fos);
        fos.flush();
        fos.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

---

From source file:Main.java

public static boolean savePngScreenshot(Activity activity, String fileName, Bitmap screenshot, boolean sdcard) {
    try {//from w  w w  . j  a  v  a  2s. c  o  m
        FileOutputStream fos = null;
        if (!sdcard) {
            fos = activity.openFileOutput(fileName, Context.MODE_WORLD_READABLE);
        } else {
            File f = new File(fileName);
            f.createNewFile();
            fos = new FileOutputStream(f);
        }
        screenshot.compress(Bitmap.CompressFormat.PNG, 70, fos);
        fos.flush();
        fos.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

---

From source file:Main.java

public static void copyAssetFileToFiles(Context context, String root, String filename) throws IOException {
    InputStream is = context.getAssets().open(filename);
    byte[] buffer = new byte[is.available()];
    is.read(buffer);/*from w ww.jav  a  2  s. com*/
    is.close();

    File tgtfile = new File(root + "/" + filename);
    tgtfile.createNewFile();
    tgtfile.setExecutable(true);
    FileOutputStream os = new FileOutputStream(tgtfile);
    os.write(buffer);
    os.close();
}

---

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