Example usage for java.io File delete

Introduction

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

Prototype

public boolean delete()

Source Link

Document

Deletes the file or directory denoted by this abstract pathname.

Usage

From source file:Main.java

public static void deleteFile(final File dir) {
    if (!dir.exists()) {
        return;// w w  w . j a v a2  s  .  com
    }
    if (dir.isDirectory()) {
        final File[] filies = dir.listFiles();
        for (int i = 0; i < filies.length; i++) {
            final File curFile = filies[i];
            if (curFile.isDirectory()) {
                deleteFile(curFile);
            } else {
                curFile.delete();
            }
        }
        dir.delete();
    }
}

From source file:Main.java

public static void deleteTempPackageFile(Context context, String pathOnSDCard) {
    File file = new File(pathOnSDCard);
    File tmpPackageFile = context.getFileStreamPath(file.getName());
    if (tmpPackageFile == null) {
        return;//from   w w  w.j av  a2  s .co  m
    }
    if (tmpPackageFile.exists()) {
        tmpPackageFile.delete();
    }
}

From source file:Main.java

public static boolean deleteFiles(String folder) {
    if (folder == null || folder.length() == 0 || folder.trim().length() == 0) {
        return true;
    }/*from w w w  . j  av a  2s .  co m*/
    File file = new File(folder);
    if (!file.exists()) {
        return true;
    }
    if (file.isFile()) {
        return file.delete();
    }
    if (!file.isDirectory()) {
        return false;
    }
    for (File f : file.listFiles()) {
        if (f.isFile()) {
            f.delete();
        } else if (f.isDirectory()) {
            deleteFile(f.getAbsolutePath());
        }
    }
    return file.delete();
}

From source file:Main.java

public static File createFolders() {
    File baseDir;//from   www  .  ja v a 2  s.co  m
    if (android.os.Build.VERSION.SDK_INT < 8) {
        baseDir = Environment.getExternalStorageDirectory();
    } else {
        baseDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    }
    if (baseDir == null)
        return Environment.getExternalStorageDirectory();
    File aviaryFolder = new File(baseDir, FOLDER_NAME);
    if (aviaryFolder.exists())
        return aviaryFolder;
    if (aviaryFolder.isFile())
        aviaryFolder.delete();
    if (aviaryFolder.mkdirs())
        return aviaryFolder;
    return Environment.getExternalStorageDirectory();
}

From source file:Main.java

/**
 * Deletes the specified diretory and any files and directories in it
 * recursively.//from   w  ww. j ava 2  s.c o m
 * 
 * @param dir The directory to remove.
 * @throws IOException If the directory could not be removed.
 */
public static void deleteDir(File dir) throws IOException {
    if (!dir.isDirectory()) {
        throw new IOException("Not a directory " + dir);
    }

    File[] files = dir.listFiles();
    for (int i = 0; i < files.length; i++) {
        File file = files[i];

        if (file.isDirectory()) {
            deleteDir(file);
        } else {
            boolean deleted = file.delete();
            if (!deleted) {
                throw new IOException("Unable to delete file" + file);
            }
        }
    }

    dir.delete();
}

From source file:brut.util.OS.java

public static File createTempDirectory() throws BrutException {
    try {/*from  w w w  .  j  a  v a2  s . c o  m*/
        File tmp = File.createTempFile("BRUT", null);
        if (!tmp.delete()) {
            throw new BrutException("Could not delete tmp file: " + tmp.getAbsolutePath());
        }
        if (!tmp.mkdir()) {
            throw new BrutException("Could not create tmp dir: " + tmp.getAbsolutePath());
        }
        return tmp;
    } catch (IOException ex) {
        throw new BrutException("Could not create tmp dir", ex);
    }
}

From source file:de.mendelson.comm.as2.AS2.java

public static void cleanup() {
    // RJC:  Runtime creates database, lock, and log artifacts.  During 
    // development time this is very annoying.  Temporarily cleaning
    // up these artifacts...
    // TODO better solution at some point (need persistent state)
    String RUNTIME_ARTIFACTS[] = new String[] { "AS2_DB_CONFIG.log", "AS2_DB_CONFIG.script",
            "AS2_DB_RUNTIME.log", "AS2_DB_RUNTIME.script", "client_server_session0.logd",
            "client_server_session1.logd", "client_server_session2.logd", "AS2_DB_CONFIG.properties",
            "AS2_DB_CONFIG.tmp", "AS2_DB_RUNTIME.properties", "AS2_DB_RUNTIME.tmp",
            "client_server_session0.log.lck", "client_server_session1.log.lck",
            "client_server_session2.log.lck", "mendelson_opensource_AS2.lock", "messages",
            "AS2_DB_CONFIG.properties", "AS2_DB_CONFIG.script", "AS2_DB_RUNTIME.properties",
            "AS2_DB_RUNTIME.script", "client_server_session0.log.lck", "client_server_session0.log" };

    for (String s : RUNTIME_ARTIFACTS) {
        File f = new File(s);
        if (f.isFile()) {
            f.delete();
        } else {/*from  w  w  w.j  av a2 s  .co m*/
            if (f.isDirectory()) {
                try {
                    FileUtils.deleteDirectory(f);
                } catch (IOException e) {
                    e.printStackTrace();
                }

            }
        }
    }

}

From source file:gov.wa.wsdot.cms.utils.Migration.java

/**
 * Delete resource files named after GUIDs.
 *///w  w  w. j  a  v  a  2 s.  c  o m
public static void deleteResources(String archiveFolder) {
    File files[] = (new File(archiveFolder)).listFiles(new FilenameFilter() {

        @Override
        public boolean accept(File archiveFolder, String name) {
            return name.matches("res[A-Z0-9]{32}.*");
        }
    });

    System.out.println("Deleting resources.");

    for (File file : files) {
        if (!file.delete()) {
            System.out.println("Can't remove: " + file.getAbsolutePath());
        } else {
            System.out.println("Removed: " + file.getAbsolutePath());
        }
    }

    System.out.println("Done.");
}

From source file:Main.java

public static Boolean canWrite(File f) {
    if (f.isDirectory()) {
        FileWriter w = null;// w  ww  .  j a  va 2s  .co m
        String testFilename = f.getPath() + "/.EASYRPG_WRITE_TEST";
        try {
            w = new FileWriter(testFilename);
            // Permissions are checked on open, but it is Android, better be save
            w.write("Android >.<");
        } catch (IOException e) {
            return false;
        } finally {
            try {
                if (w != null) {
                    w.close();
                }
            } catch (IOException e) {
            }
        }

        File testFile = new File(testFilename);
        if (testFile.exists()) {
            // Does not throw
            testFile.delete();
        }
    } else {
        boolean deleteAfter = f.exists();
        try {
            FileWriter w = new FileWriter(f, true);
            w.close();
        } catch (IOException e) {
            return false;
        }

        if (deleteAfter) {
            f.delete();
        }
    }

    return true;
}

From source file:Main.java

/**
 * //from ww w . j  a  v a  2s.c o m
 * @param f
 */
public static void deleteDir(File f) {
    try {
        if (f.isDirectory()) {
            for (File c : f.listFiles()) {
                deleteDir(c);
            }
        }
        f.delete();
    } catch (Exception e) {

    }
}