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:Main.java

private static InputStream bitmap2InputStream(Context context, Bitmap bitmap) throws IOException {
    File file = new File(context.getFilesDir(), "wallpaper.jpg");
    if (file.exists()) {
        file.delete();/* w  ww.j  a  v a2 s . c  om*/
    }
    file.createNewFile();
    FileOutputStream fileOutputStream = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fileOutputStream);
    fileOutputStream.close();
    return filePath2InputStream(file.getAbsolutePath());
}

From source file:Main.java

public static boolean write2SDFromString(String path, String fileName, String input) {
    boolean flag = true;
    File file = null;
    OutputStream output = null;//from w  w  w  . j a va  2 s .c  o m
    try {
        file = new File(path + fileName);
        file.createNewFile();
        //         creatSDDir(path);
        //file = creatSDFile(path + fileName);
        output = new FileOutputStream(file);
        byte buffer[] = input.getBytes();
        output.write(buffer, 0, buffer.length);
        output.flush();
    } catch (Exception e) {
        return false;
    } finally {
        try {
            output.close();
        } catch (Exception e) {
            return flag;
        }
    }
    return flag;
}

From source file:functionaltests.dataspaces.TestSubmitJobWithPartiallyUnaccessibleDataSpaces.java

@BeforeClass
public static void before() throws Throwable {
    spaceRoot = tmpFolder.newFolder("space");
    spaceRootUser = new File(spaceRoot, "demo");
    spaceRootUser.mkdirs();/* www  .j a va 2s  . c o m*/

    deployer = new FileSystemServerDeployer(spaceRoot.getAbsolutePath(), false);
    SchedulerTHelper.log("Dataspace started in : " + spaceRoot.getAbsolutePath());
    File inputFile = new File(spaceRootUser, "myfilein1");
    inputFile.createNewFile();
    File propertiesfile = new File(configFile.toURI());
    String propContent = FileUtils.readFileToString(propertiesfile, Charset.defaultCharset().toString());
    String newContent = propContent.replace("$$TOREPLACE$$", deployer.getVFSRootURL());
    FileUtils.writeStringToFile(propertiesfile, newContent);

    schedulerHelper = new SchedulerTHelper(true, propertiesfile.getAbsolutePath());
}

From source file:Main.java

public static void saveBitmap(String filename, Bitmap bitmap) throws Exception {
    File file = new File(sAppContext.getCacheDir().getPath() + "/" + filename);
    if (file.exists()) {
        file.delete();//from w w  w  .  java2s.  com
    }
    file.createNewFile();
    FileOutputStream fos = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
    fos.flush();
    fos.close();
}

From source file:gov.nih.nci.firebird.commons.test.TestFileUtils.java

/**
 * Creates a temporary file which will be deleted upon JVM exit.
 *
 * @return temporary file/*from   w  w  w.  jav a  2s  . com*/
 * @throws IOException if there is a problem creating a temporary file
 */
public static File createTemporaryFile() throws IOException {
    File file = File.createTempFile("temp_", ".tmp");
    file.createNewFile();
    FileWriter fileWriter = new FileWriter(file);
    fileWriter.append(SimpleDateFormat.getDateTimeInstance().format(new Date()));
    fileWriter.flush();
    fileWriter.close();
    FileUtils.forceDeleteOnExit(file);
    return file;
}

From source file:net.firejack.aws.license.LicenseHelper.java

public static File create(License license) throws IOException, NoSuchAlgorithmException, JAXBException {
    signature(license);/*from   w  ww  . jav a2s.com*/

    File tmp = new File("/tmp/", license.getName() + ".xml");

    tmp.getParentFile().mkdirs();
    tmp.createNewFile();
    FileOutputStream stream = new FileOutputStream(tmp);

    JAXBContext jaxbContext = JAXBContext.newInstance(License.class);
    Marshaller marshaller = jaxbContext.createMarshaller();
    marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
    marshaller.marshal(license, stream);
    stream.close();

    return tmp;
}

From source file:Main.java

/**
 * Write to file in given folder/*from   w w w  .  j ava  2 s.c  o m*/
 * @param fcontent
 * @return
 */
public static boolean writeFile(String fcontent, String path) {

    /*
     * Write file contents to file path
     */
    try {
        File file = new File(path);
        // If file does not exists, then create it
        if (!file.exists()) {
            file.createNewFile();
        }
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(fcontent);
        bw.close();
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:extractcode.TraversalFiles.java

public static void fileList(File inputFile, int node, ArrayList<String> path, String folderPath) {
    node++;//from  w w w  .  j  ava  2s  . co  m
    File[] files = inputFile.listFiles();
    if (!inputFile.exists()) {
        System.out.println("File doesn't exist!");
    } else if (inputFile.isDirectory()) {
        path.add(inputFile.getName());

        for (File f : files) {
            for (int i = 0; i < node - 1; i++) {
                System.out.print(" ");
            }
            System.out.print("|-" + f.getPath());

            String ext = FilenameUtils.getExtension(f.getName());
            if (ext.equals("java")) {
                try {
                    System.out.println(" => extracted");

                    //Get extracted file location and add it to output file name,
                    //in order to avoid files in different folder 
                    //have the same name.
                    String fileLocation = "";
                    for (String tmpPath : path) {
                        fileLocation += "-" + tmpPath;
                    }

                    String outFilePath = folderPath + "/" + f.getName() + fileLocation + "-allcode.txt";

                    //create output file
                    File outputFile = new File(outFilePath);
                    if (outputFile.createNewFile()) {
                        System.out.println("Create successful: " + outputFile.getName());
                    }

                    //extract comments
                    ExtractCode.extractCode(f, outputFile);
                } catch (IOException ex) {
                    Logger.getLogger(TraversalFiles.class.getName()).log(Level.SEVERE, null, ex);
                }
            } else {
                System.out.println();
            }
            fileList(f, node, path, folderPath);
        }
        path.remove(node - 1);
    }
}

From source file:extractcomments.TraversalFiles.java

public static void fileList(File inputFile, int node, ArrayList<String> path, String folderPath) {
    node++;//from ww  w . ja va  2s .c  om
    File[] files = inputFile.listFiles();
    if (!inputFile.exists()) {
        System.out.println("File doesn't exist!");
    } else if (inputFile.isDirectory()) {
        path.add(inputFile.getName());

        for (File f : files) {
            for (int i = 0; i < node - 1; i++) {
                System.out.print(" ");
            }
            System.out.print("|-" + f.getPath());

            String ext = FilenameUtils.getExtension(f.getName());
            if (ext.equals("java")) {
                try {
                    System.out.println(" => extracted");

                    //Get extracted file location and add it to output file name,
                    //in order to avoid files in different folder 
                    //have the same name.
                    String fileLocation = "";
                    for (String tmpPath : path) {
                        fileLocation += "-" + tmpPath;
                    }

                    String outFilePath = folderPath + "/" + f.getName() + fileLocation + "-all.txt";

                    //create output file
                    File outputFile = new File(outFilePath);
                    if (outputFile.createNewFile()) {
                        System.out.println("Create successful: " + outputFile.getName());
                    }

                    //extract comments
                    ExtractComments.extractComments(f, outputFile);
                } catch (IOException ex) {
                    Logger.getLogger(TraversalFiles.class.getName()).log(Level.SEVERE, null, ex);
                }
            } else {
                System.out.println(" isn't a java file.");
            }
            fileList(f, node, path, folderPath);
        }
        path.remove(node - 1);
    }
}

From source file:extractsomecomments.TraversalFiles.java

public static void fileList(File inputFile, int node, ArrayList<String> path, String folderPath) {
    node++;//from www .jav  a2  s . com
    File[] files = inputFile.listFiles();
    if (!inputFile.exists()) {
        System.out.println("File doesn't exist!");
    } else if (inputFile.isDirectory()) {
        path.add(inputFile.getName());

        for (File f : files) {
            for (int i = 0; i < node - 1; i++) {
                System.out.print(" ");
            }
            System.out.print("|-" + f.getPath());

            String ext = FilenameUtils.getExtension(f.getName());
            if (ext.equals("java")) {
                try {
                    System.out.println(" => extracted");

                    //Get extracted file location and add it to output file name,
                    //in order to avoid files in different folder 
                    //have the same name.
                    String fileLocation = "";
                    for (String tmpPath : path) {
                        fileLocation += "-" + tmpPath;
                    }

                    String outFilePath = folderPath + "/" + f.getName() + fileLocation + "-all.txt";

                    //create output file
                    File outputFile = new File(outFilePath);
                    if (outputFile.createNewFile()) {
                        System.out.println("Create successful: " + outputFile.getName());
                    }

                    //extract comments
                    ExtractSomeComments.extractComments(f, outputFile);
                } catch (IOException ex) {
                    Logger.getLogger(TraversalFiles.class.getName()).log(Level.SEVERE, null, ex);
                }
            } else {
                System.out.println();
            }
            fileList(f, node, path, folderPath);
        }
        path.remove(node - 1);
    }
}