Example usage for java.io File createNewFile

List of usage examples for java.io File createNewFile

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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:net.ftb.util.FTBFileUtils.java

public static void copyFile(File sourceFile, File destinationFile, boolean overwrite) throws IOException {
    if (sourceFile.exists()) {
        if (!destinationFile.exists()) {
            destinationFile.getParentFile().mkdirs();
            destinationFile.createNewFile();
        } else if (!overwrite) {
            return;
        }/*from   www  . j a  va 2s .  c om*/
        FileChannel sourceStream = null, destinationStream = null;
        try {
            sourceStream = new FileInputStream(sourceFile).getChannel();
            destinationStream = new FileOutputStream(destinationFile).getChannel();
            destinationStream.transferFrom(sourceStream, 0, sourceStream.size());
        } finally {
            if (sourceStream != null) {
                sourceStream.close();
            }
            if (destinationStream != null) {
                destinationStream.close();
            }
        }
    }
}

From source file:lyonlancer5.karasu.util.ModFileUtils.java

static void download(String url, File output) throws IOException {
    URL url1 = new URL(url);
    ReadableByteChannel rbc = Channels.newChannel(url1.openStream());
    FileOutputStream fos = new FileOutputStream(output);

    if (!output.exists()) {
        output.getParentFile().mkdirs();
        output.createNewFile();
    }//www .  ja va  2s. c o m

    fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
    fos.close();
}

From source file:gr.abiss.calipso.util.AttachmentUtils.java

/**
 * @param file// ww w . j  a v a 2s.c  o  m
 * @throws IOException
 */
private static void ensureFileExists(File file) throws IOException {
    new File(file.getParent()).mkdirs();
    file.createNewFile();
}

From source file:atg.tools.dynunit.util.ComponentUtil.java

private static void recreateFile(@Nullable final File file) throws IOException {
    logger.entry(file);/*w w  w . j  a  v a2  s  . c  om*/
    if (file != null) {
        if (file.exists()) {
            FileUtils.forceDelete(file);
        }
        if (!file.createNewFile()) {
            throw logger.throwing(new IOException("File already exists but can't be deleted."));
        }
    }
    logger.exit();
}

From source file:com.hmiard.blackwater.projects.Builder.java

/**
 * Building a new project.// w w  w  .  j  ava2  s  . co m
 *
 * @param projectName String
 * @param serverNames ArrayList
 * @param location String
 */
public static void buildNewProject(String projectName, ArrayList<String> serverNames, String location,
        ConsoleEmulator consoleListener) {

    try {
        consoleListener.clean();
        consoleListener.push("Project creation started...\n\n");
        projectName = projectName.substring(0, 1).toUpperCase() + projectName.substring(1);
        String projectUrl = location + "\\" + projectName;

        buildFolder(projectUrl);
        buildFolder(projectUrl + "\\bin");
        buildFolder(projectUrl + "\\src");
        buildFolder(projectUrl + "\\.blackwater");

        ArrayList<String> realServerNames = new ArrayList<>();
        for (String name : serverNames)
            realServerNames.add(name.replace("!", ""));

        // Creating the configuration
        Properties configuration = new Properties();
        File tokens = new File(projectUrl + "\\.blackwater\\tokens.properties");
        configuration.setProperty("PATH", projectUrl);
        configuration.setProperty("NAME", projectName);
        configuration.setProperty("SERVERS", Parser.parseArrayToStringList(",", realServerNames));
        configuration.setProperty("LAST_UPDATE", new Date().toString());
        configuration.store(new FileOutputStream(tokens), "Blackwater build version : " + Start.VERSION);
        consoleListener.push("Tokens generated.\n");

        // Creating composer.json...
        JSONObject composerJSON = new JSONObject();
        JSONObject autoload = new JSONObject();
        JSONObject psr0 = new JSONObject();
        JSONObject require = new JSONObject();
        autoload.put("psr-0", psr0);
        composerJSON.put("autoload", autoload);
        composerJSON.put("require", require);

        require.put("blackwater/blackwaterp", Start.blackwaterpVersion);
        File composer = new File(projectUrl + "\\composer.json");
        if (!composer.createNewFile()) {
            consoleListener.push("\nWeird composer stuff happened... Aborting.\n");
            return;
        }

        BufferedWriter cw = new BufferedWriter(new FileWriter(composer.getAbsoluteFile()));
        String content = composerJSON.toString(4).replaceAll("\\\\", "");
        cw.write(content);
        cw.close();
        consoleListener.push("File created : composer.json\n");

        // Creating the servers...
        consoleListener.push("Server creation started...\n");
        for (String name : serverNames)
            if (name.charAt(0) == '!')
                appendServer(projectUrl, name.replace("!", ""), consoleListener, false);
            else
                appendServer(projectUrl, name, consoleListener, true);

        // Copying composer.phar
        consoleListener.push("Installing local composer wrapper...\n");
        copyFile(new File("resources/packages/composer.phar"),
                new File(composer.getParent() + "\\bin\\composer.phar"));

        // Building...
        consoleListener.push("Building dependencies...\n");
        new Thread(new ChildProcess("php bin/composer.phar install", composer.getParentFile(), consoleListener,
                () -> {
                    NewProjectAppScreenPresenter presenter = (NewProjectAppScreenPresenter) consoleListener.app;
                    presenter.projectCreatedCallback(projectUrl, consoleListener);
                })).start();

    } catch (JSONException | IOException e) {
        e.printStackTrace();
    }

}

From source file:com.smart.common.officeFile.CSVUtils.java

/**
 *
 * @param exportData ?//www.j a  v  a2 s.  c om
 * @param rowMapper ??
 * @param outPutPath 
 * @param filename ??
 * @return
 */
public static File createCSVFile(List exportData, LinkedHashMap rowMapper, String outPutPath, String filename) {

    File csvFile = null;
    BufferedWriter csvFileOutputStream = null;
    try {
        csvFile = new File(outPutPath + filename + ".csv");
        // csvFile.getParentFile().mkdir();
        File parent = csvFile.getParentFile();
        if (parent != null && !parent.exists()) {
            parent.mkdirs();
        }
        csvFile.createNewFile();

        // GB2312?","
        csvFileOutputStream = new BufferedWriter(
                new OutputStreamWriter(new FileOutputStream(csvFile), "GB2312"), 1024);
        // 
        for (Iterator propertyIterator = rowMapper.entrySet().iterator(); propertyIterator.hasNext();) {
            java.util.Map.Entry propertyEntry = (java.util.Map.Entry) propertyIterator.next();
            csvFileOutputStream.write("\"" + propertyEntry.getValue().toString() + "\"");
            if (propertyIterator.hasNext()) {
                csvFileOutputStream.write(",");
            }
        }
        csvFileOutputStream.newLine();

        // 
        for (Iterator iterator = exportData.iterator(); iterator.hasNext();) {
            LinkedHashMap row = (LinkedHashMap) iterator.next();
            System.out.println(row);

            for (Iterator propertyIterator = row.entrySet().iterator(); propertyIterator.hasNext();) {
                java.util.Map.Entry propertyEntry = (java.util.Map.Entry) propertyIterator.next();
                // System.out.println(BeanUtils.getProperty(row, propertyEntry.getKey().toString()));
                csvFileOutputStream.write("\"" + propertyEntry.getValue().toString() + "\"");
                if (propertyIterator.hasNext()) {
                    csvFileOutputStream.write(",");
                }
            }

            //                for (Iterator propertyIterator = row.entrySet().iterator(); propertyIterator.hasNext();) {
            //                    java.util.Map.Entry propertyEntry = (java.util.Map.Entry) propertyIterator.next();
            //                    System.out.println(BeanUtils.getProperty(row, propertyEntry.getKey().toString()));
            //                    csvFileOutputStream.write("\""
            //                            + BeanUtils.getProperty(row, propertyEntry.getKey().toString()) + "\"");
            //                    if (propertyIterator.hasNext()) {
            //                        csvFileOutputStream.write(",");
            //                    }
            //                }
            if (iterator.hasNext()) {
                csvFileOutputStream.newLine();
            }
        }
        csvFileOutputStream.flush();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            csvFileOutputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return csvFile;
}

From source file:com.bhbsoft.videoconference.record.convert.util.FlvFileHelper.java

public static File getNewFile(File dir, String name, String ext) throws IOException {
    File f = new File(dir, name + ext);
    int recursiveNumber = 0;
    while (f.exists()) {
        f = new File(dir, name + "_" + (recursiveNumber++) + ext);
    }//from   w  ww.java  2s.co  m
    f.createNewFile();
    return f;
}

From source file:com.bc.util.io.FileUtils.java

synchronized public static File createFileInTempDir(String tempDirName, String fileName) throws IOException {
    final File tempDir = new File(tempDirName);
    if (!tempDir.isDirectory()) {
        throw new IOException("The temp directory '" + tempDirName + "' does not exist");
    }/*  ww  w .j a v  a2 s. c o m*/

    final String name;
    final String extension;
    if (fileName.contains(".")) {
        final int i = fileName.lastIndexOf(".");
        name = fileName.substring(0, i);
        extension = fileName.substring(i);
    } else {
        name = fileName;
        extension = "";
    }

    File tempFile;
    int number = 0;
    do {
        tempFile = new File(tempDirName, name + (number > 0 ? number : "") + extension);
        number++;
    } while (tempFile.exists());
    tempFile.createNewFile();

    return tempFile;
}

From source file:net.firejack.platform.core.utils.MiscUtils.java

/**
 * @param properties//from ww  w .j  a  v a  2 s  .  c om
 * @param append
 * @throws java.io.IOException
 */
public static void setProperties(File properties, Map<String, String> append) throws IOException {
    Properties props = new Properties();
    if (properties.exists()) {
        FileReader reader = new FileReader(properties);
        props.load(reader);
        reader.close();
    } else {
        FileUtils.forceMkdir(properties.getParentFile());
    }

    if (properties.exists() || properties.createNewFile()) {
        props.putAll(append);
        FileWriter writer = new FileWriter(properties);
        props.store(writer, null);
        writer.flush();
        writer.close();
    }
}

From source file:dynamicrefactoring.util.io.FileManager.java

/**
 * Intenta crear un nuevo fichero en una ruta determinada. Si ya existe un
 * fichero con el mismo nombre en dicha ruta, simplemente no hace nada.
 * /*from  w  w  w.  j a v a  2s .c o m*/
 * @param path la ruta del nuevo fichero que se quiere crear.
 */
public static void createFile(String path) {
    try {
        File file = new File(path);

        file.createNewFile();
    } catch (IOException ioe) {
        ;
    }
}