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:ezbake.frack.submitter.util.JarUtil.java

public static File addFilesToJar(File sourceJar, List<File> newFiles) throws IOException {
    JarOutputStream target = null;
    JarInputStream source;/*w ww .  ja  v  a  2  s  . co  m*/
    File outputJar = new File(sourceJar.getParentFile(), getRepackagedJarName(sourceJar.getAbsolutePath()));
    log.debug("Output file created at {}", outputJar.getAbsolutePath());
    outputJar.createNewFile();
    try {
        source = new JarInputStream(new FileInputStream(sourceJar));
        target = new JarOutputStream(new FileOutputStream(outputJar));
        ZipEntry entry = source.getNextEntry();
        while (entry != null) {
            String name = entry.getName();
            // Add ZIP entry to output stream.
            target.putNextEntry(new ZipEntry(name));
            // Transfer bytes from the ZIP file to the output file
            int len;
            byte[] buffer = new byte[BUFFER_SIZE];
            while ((len = source.read(buffer)) > 0) {
                target.write(buffer, 0, len);
            }
            entry = source.getNextEntry();
        }
        source.close();
        for (File fileToAdd : newFiles) {
            add(fileToAdd, fileToAdd.getParentFile().getAbsolutePath(), target);
        }
    } finally {
        if (target != null) {
            log.debug("Closing output stream");
            target.close();
        }
    }
    return outputJar;
}

From source file:Main.java

public static void createFile(File file, boolean isFile) {
    if (!file.exists()) {
        if (!file.getParentFile().exists()) {
            createFile(file.getParentFile(), false);
        } else {/* w  ww .  ja  v a 2  s.  c  o m*/
            if (isFile) {
                try {
                    file.createNewFile();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            } else {
                file.mkdir();
            }
        }
    }
}

From source file:edu.asu.cse564.samples.crud.io.GradebookIO.java

public static void writeToGradebook(List<Gradebook> gradebookList, String filename) {
    //GradebookIO gbio = new GradebookIO();
    try {//from   ww w . ja v a 2  s.c om
        //String path = gbio.getPath(filename);
        String path = filename;
        File file = new File(path);

        // if file doesnt exists, then create it
        if (!file.exists()) {
            LOG.info("Creating file as it does not exist");
            file.createNewFile();
            LOG.debug("Created file = {}", file.getAbsolutePath());
        }
        String jsonString = null;
        jsonString = Converter.convertFromObjectToJSON(gradebookList, gradebookList.getClass());
        LOG.info("File path = {}", file.getAbsolutePath());
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        try (BufferedWriter bw = new BufferedWriter(fw)) {
            bw.write(jsonString);
        }
    } catch (Exception e) {
        e.printStackTrace();
        ;
    }
}

From source file:com.bluexml.side.util.documentation.LogSave.java

/**
 * Render a SIDELog to a xml file using the given fileName in the given
 * folderName/*from w ww.ja va  2  s .co m*/
 * 
 * @param log
 * @param fileName
 * @param folderName
 * @throws Exception
 */
public static void toXml(SIDELog log, String fileName, String folderName) throws Exception {
    IFolder folder = IFileHelper.createFolder(folderName);
    File f = IFileHelper.getFile(folder);
    FileWriterWithEncoding fos;
    File file = new File(f, fileName);
    file.createNewFile();
    fos = new FileWriterWithEncoding(file, "UTF-8");
    toXml(log, fos);
    IFileHelper.refreshFolder(folder);
    fos.close();
}

From source file:com.bluexml.side.m2.repositoryBuilder.Builder.java

private static void writeShellScript(File script, List<File> poms) throws Exception {
    // create file
    if (!script.exists()) {
        script.createNewFile();
    }/*from  ww w .  j  ava 2 s .  co  m*/

    FileWriter fw = new FileWriter(script);

    // write header
    String header = "#!/bin/bash\n";
    header += "if [ $# -eq 1 ]; then" + "\n";
    header += "  MAVENREPO=$1" + "\n";
    header += "else" + "\n";
    header += "  echo \"Usage: patcher.sh MAVENREPO\"" + "\n";
    header += "  echo \"       with MAVENREPO = maven.repo.local absolute path\"" + "\n";
    header += "  exit -2" + "\n";
    header += "fi" + "\n";
    fw.write(header);

    for (File file : poms) {
        fw.write("mvn dependency:go-offline -P public -f " + file.getAbsolutePath()
                + " -Dmaven.repo.local=$MAVENREPO\n");
    }

    // save close
    fw.flush();
    fw.close();
}

From source file:de.dakror.villagedefense.util.SaveHandler.java

public static void addWorldScorePosted(int worldCreated) {
    File f = new File(CFG.DIR, "scores");
    try {//from   w ww  .j  a  v  a  2 s .  co m
        f.createNewFile();
        Helper.setFileContent(f, Helper.getFileContent(f) + worldCreated + "\r\n");
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.bluexml.side.util.documentation.LogSave.java

public static void toXml(SIDELog log, String fileName, File folder) throws Exception {
    folder.mkdirs();// www  .  j  a va2s.  c o m
    FileWriterWithEncoding fos;
    File file = new File(folder, fileName);
    file.createNewFile();
    fos = new FileWriterWithEncoding(file, "UTF-8");
    toXml(log, fos);
    fos.close();

}

From source file:com.project.utilities.Utilities.java

public static void writeToFileViolationListJSON() {
    String violationJSONList = getRequest(Constants.API_VIOLATIONS);
    File currentConfig = new File(Constants.EXTERNAL_DIRECTORY + "/" + Constants.FILENAME_VIOLATION_JSON);
    try {//from  ww  w  .j  av a2s  .  co  m
        currentConfig.createNewFile();
        FileOutputStream fos = new FileOutputStream(currentConfig);
        fos.write(violationJSONList.getBytes());
        fos.close();
    } catch (IOException e) {
        Log.e("ERROR CREATING JSON FILE", e.getMessage().toString());
    }
}

From source file:index.IncrementIndex.java

public static String getStoreId(String path) {
    String storeId = "";
    try {/*from   w ww.  ja  v  a  2s  .  com*/
        File file = new File(path);
        if (!file.exists()) {
            file.createNewFile();
        }
        FileReader fr = new FileReader(path);
        BufferedReader br = new BufferedReader(fr);
        storeId = br.readLine();
        if (storeId == null || storeId == "")
            storeId = "0";
        br.close();
        fr.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return storeId;
}

From source file:index.IncrementIndex.java

/**
 * id//from w ww.j a v  a 2s  .c o m
 * @param path
 * @param storeId
 * @return 
 */
public static boolean writeStoreId(String path, String storeId) {
    boolean b = false;
    try {
        File file = new File(path);
        if (!file.exists()) {
            file.createNewFile();
        }
        FileWriter fw = new FileWriter(path);
        PrintWriter out = new PrintWriter(fw);
        out.write(storeId);
        out.close();
        fw.close();
        b = true;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return b;
}