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

public static File getMateralDir(Context context) {

    File dir = null;/*w  ww . j a  v a  2 s.co  m*/
    dir = new File(context.getCacheDir() + File.separator + "wanjia" + File.separator + "material");
    File nomediaFile = new File(dir.getAbsolutePath() + File.separator + ".nomedia");
    if (!dir.exists()) {
        dir.mkdirs();
    }
    if (!nomediaFile.exists()) {
        try {
            nomediaFile.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return dir;
}

From source file:Main.java

private static long getFileSize(File file) throws Exception {
    long size = 0;
    if (file.exists()) {
        FileInputStream fis = null;
        fis = new FileInputStream(file);
        size = fis.available();//from w w w.  j  av a2  s  . com
    } else {
        file.createNewFile();
    }
    return size;
}

From source file:Main.java

public static void saveImageToSD(Context ctx, String filePath, Bitmap bitmap, int quality) throws IOException {
    if (bitmap != null) {
        File file = new File(filePath);
        File dir = new File(filePath.substring(0, filePath.lastIndexOf(File.separator)));
        if (!dir.exists()) {
            dir.mkdirs();//from  w w  w.  ja v a  2 s.  c o m
        }
        file.createNewFile();

        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
        bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
        bos.flush();
        bos.close();
    }
}

From source file:com.github.tddts.jet.util.Util.java

/**
 * Save given property to given propeorty file.
 *
 * @param fileName property file path/*from w w w.ja v  a  2 s  . c om*/
 * @param key      property key
 * @param value    property value
 */
public static void saveProperty(String fileName, String key, String value) {
    try {
        File file = new File(fileName);
        if (!file.exists())
            file.createNewFile();
        Properties properties = new Properties();

        try (InputStream in = FileUtils.openInputStream(file)) {
            properties.load(in);
        }

        properties.setProperty(key, value);

        try (OutputStream out = FileUtils.openOutputStream(file)) {
            properties.store(out, "");
        }

    } catch (IOException e) {
        throw new ApplicationException(e);
    }
}

From source file:com.vmware.bdd.usermgmt.TestSssdConfigurationGenerator.java

public static void setupSssdTemplates() throws IOException {
    String tmpDirPath = System.getProperty("java.io.tmpdir");

    if (StringUtils.isNotBlank(System.getProperty("serengeti.home.dir"))) {
        System.setProperty("serengeti.home.dir.bak", System.getProperty("serengeti.home.dir"));
    }/*from   w ww . ja  va2s  .  co m*/
    System.setProperty("serengeti.home.dir", tmpDirPath);

    File usermgmrConfDir = new File(
            System.getProperty("serengeti.home.dir") + File.separator + "conf" + File.separator + "usermgmt");
    usermgmrConfDir.mkdirs();
    usermgmrConfDir.deleteOnExit();

    File tmpFile = new File(usermgmrConfDir, SssdConfigurationGenerator.SSSD_CONF_TEMPLATES + "LDAP");
    tmpFile.createNewFile();
    tmpFile.deleteOnExit();
    FileCopyUtils.copy(readResource(SssdConfigurationGenerator.SSSD_CONF_TEMPLATES + "LDAP"),
            new FileWriter(tmpFile));

    tmpFile = new File(usermgmrConfDir, SssdConfigurationGenerator.SSSD_CONF_TEMPLATES + "AD_AS_LDAP");
    tmpFile.createNewFile();
    tmpFile.deleteOnExit();
    FileCopyUtils.copy(readResource(SssdConfigurationGenerator.SSSD_CONF_TEMPLATES + "AD_AS_LDAP"),
            new FileWriter(tmpFile));
}

From source file:com.bluexml.side.clazz.alfresco.reverse.reverser.Reverser.java

public static void executeReverse(Collection<File> alfrescoModels, File sideModelRepo, List<IFile> sideModels,
        boolean verbose) throws Exception {
    ReverseScheduler rs = new ReverseScheduler(alfrescoModels, verbose);
    rs.schedule();/*  w w  w. j  a v  a2s.  c om*/
    Map<Integer, List<Model>> tree = rs.getTree();
    // reverse according to scheduled order (import dependencies tree)
    ReverseModel rm = new ReverseModel(verbose);
    // load and register EObject from existing SIDE models
    rm.loadSIDEModels(sideModels);
    // execute reverse
    for (Map.Entry<Integer, List<Model>> ent : tree.entrySet()) {
        for (Model model : ent.getValue()) {
            EObject sideO = rm.reverse(model);
            String name = model.getName();
            String modelName = ReverseHelper.extractLocalNameFromAlfQName(name);
            String modelPrefix = ReverseHelper.extractPrefixFromAlfQName(name);

            File file = new File(sideModelRepo, modelPrefix + StringUtils.capitalize(modelName) + ".dt");
            file.getParentFile().mkdirs();
            file.createNewFile();
            System.out.println("save model :" + file);
            EResourceUtils.saveModel(file, sideO);
        }
    }

    List<Object> notReverted = rm.getNotReverted();

    if (notReverted.size() > 0) {
        List<String> errorRepport = new ArrayList<String>();
        for (Object object : notReverted) {
            Class c = (Class) object;
            errorRepport.add(c.getName());
        }

        System.err.println("Fail to reverse Overrides for :" + errorRepport);
    }
}

From source file:com.yata.core.FileManager.java

public static BufferedWriter getFileWriter(String fileName) throws IOException {

    System.out.println("getFileWriter@" + className + " : File to write in :-> " + fileName);

    File file = new File(fileName);

    // if file doesnt exists, then create it
    if (!file.exists()) {
        file.createNewFile();
    }//from  w w  w  .j a v  a2  s.  c  o m

    FileWriter fileWriter = new FileWriter(file.getAbsoluteFile());
    BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

    return bufferedWriter;
}

From source file:com.opensymphony.util.FileUtils.java

public final static File createFile(String path) {
    File file = new File(path);

    try {//from   w  ww  . j  a va 2  s .co m
        file.createNewFile();
    } catch (IOException e) {
        log.error(e);
    }

    return file;
}

From source file:net.idlesoft.android.apps.github.utils.GravatarCache.java

private static void hideMediaFromGallery(final File gravatars) throws IOException {
    final File nomedia = new File(gravatars, ".nomedia");
    if (!nomedia.exists()) {
        nomedia.createNewFile();
    }//from w w  w . java2  s. co m
}

From source file:asia.gkc.vneedu.utils.FileUtil.java

/**
 * //from  w w  w  . j  a v  a 2  s  .c  o m
 *
 * @param source - ?
 * @param destination - ?
 * @return ??
 * @throws IOException
 */
public static boolean transferFile(File source, File destination) throws IOException {
    if (!destination.exists()) {
        logger.debug(destination.getPath());
        destination.createNewFile();
    }

    FileChannel src, dest;

    src = new FileInputStream(source).getChannel();
    dest = new FileOutputStream(destination).getChannel();

    long count = 0;
    long size = src.size();

    while ((count += dest.transferFrom(src, count, size - count)) < size)
        ;

    return true;
}