Example usage for java.io File getParentFile

List of usage examples for java.io File getParentFile

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Introduction

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

Prototype

public File getParentFile()

Source Link

Document

Returns the abstract pathname of this abstract pathname's parent, or null if this pathname does not name a parent directory.

Usage

From source file:Main.java

public static void openNamedFile(String filename) {
    try {/*  w ww.j a  v a  2s  .  c o  m*/
        File f = new File(filename);
        //   Log.e("kuinfa", "filename= " + filename);
        FileInputStream fis = new FileInputStream(f);

        long size = f.length();
        name = f.getName();
        patch = f.getParentFile().toString();
        DataInputStream dis = new DataInputStream(fis);
        byte[] b = new byte[(int) size];
        int length = dis.read(b, 0, (int) size);

        dis.close();
        fis.close();

        String ttt = new String(b, 0, length, "UTF-8");

        try {
            ttt = new String(ttt.getBytes(), "UTF-8");
        } catch (UnsupportedEncodingException e) {
        }

    } catch (FileNotFoundException e) {
    } catch (IOException e) {
    }
}

From source file:Main.java

public static void unzip(URL _url, URL _dest, boolean _remove_top) {
    int BUFFER_SZ = 2048;
    File file = new File(_url.getPath());

    String dest = _dest.getPath();
    new File(dest).mkdir();

    try {//  ww  w . ja  v  a  2s .c om
        ZipFile zip = new ZipFile(file);
        Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();

        // Process each entry
        while (zipFileEntries.hasMoreElements()) {
            // grab a zip file entry
            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();

            if (_remove_top)
                currentEntry = currentEntry.substring(currentEntry.indexOf('/'), currentEntry.length());

            File destFile = new File(dest, currentEntry);
            //destFile = new File(newPath, destFile.getName());
            File destinationParent = destFile.getParentFile();

            // create the parent directory structure if needed
            destinationParent.mkdirs();

            if (!entry.isDirectory()) {
                BufferedInputStream is;
                is = new BufferedInputStream(zip.getInputStream(entry));
                int currentByte;
                // establish buffer for writing file
                byte data[] = new byte[BUFFER_SZ];

                // write the current file to disk
                FileOutputStream fos = new FileOutputStream(destFile);
                BufferedOutputStream dst = new BufferedOutputStream(fos, BUFFER_SZ);

                // read and write until last byte is encountered
                while ((currentByte = is.read(data, 0, BUFFER_SZ)) != -1) {
                    dst.write(data, 0, currentByte);
                }
                dst.flush();
                dst.close();
                is.close();
            }
            /*
            if (currentEntry.endsWith(".zip"))
            {
            // found a zip file, try to open
            extractFolder(destFile.getAbsolutePath());
            }*/
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:Main.java

public static boolean saveObjectToFile(String filePath, Object object) {
    if (!TextUtils.isEmpty(filePath)) {
        File cacheFile = null;

        try {/*  w  w w .  j a  v a2 s. c  om*/
            cacheFile = new File(filePath);
            if (cacheFile.exists()) {
                cacheFile.delete();
            }

            if (!cacheFile.getParentFile().exists()) {
                cacheFile.getParentFile().mkdirs();
            }

            cacheFile.createNewFile();
        } catch (Throwable var6) {
            var6.printStackTrace();
            cacheFile = null;
        }

        if (cacheFile != null) {
            try {
                FileOutputStream t = new FileOutputStream(cacheFile);
                GZIPOutputStream gzos = new GZIPOutputStream(t);
                ObjectOutputStream oos = new ObjectOutputStream(gzos);
                oos.writeObject(object);
                oos.flush();
                oos.close();
                return true;
            } catch (Throwable var7) {
                var7.printStackTrace();
            }
        }
    }

    return false;
}

From source file:com.tealcube.minecraft.bukkit.facecore.utilities.IOUtils.java

/**
 * Create a {@link java.io.File} from the given {@link java.io.File}.
 *
 * @param file File to create//from w  w w. j  a va  2 s .c o m
 * @return if creation was successful
 */
public static boolean createFile(File file) {
    Validate.notNull(file, "file cannot be null");
    boolean succeeded = file.exists();
    if (!succeeded) {
        try {
            if (!createDirectory(file.getParentFile())) {
                return false;
            }
            succeeded = file.createNewFile();
        } catch (IOException ignored) {
            // do nothing here
        }
    }
    return succeeded;
}

From source file:au.org.ala.delta.util.FileUtils.java

public static File findFileIgnoreCase(File file) {

    if (file.exists()) {
        return file;
    }// w  ww .  ja  v a2s  .co m

    File parent = file.getParentFile();

    if (parent == null) {
        parent = new File(System.getProperty("user.dir"));
    }

    if (parent.exists()) {
        String[] matches = parent.list(new CaseInsenstiveFilenameMatcher(file.getName()));
        if (matches.length > 0) {
            String newFilename = String.format("%s%s%s", parent.getAbsolutePath(), File.separator, matches[0]);
            File candidateFile = new File(newFilename);
            if (candidateFile.exists()) {
                return candidateFile;
            }
        }
    }

    return null;
}

From source file:com.aliyun.odps.local.common.utils.ArchiveUtils.java

/**
 * Given a File input it will unzip the file in a the unzip directory passed
 * as the second parameter//w w  w  . j  ava 2s.c  o m
 * 
 * @param inFile
 *          The zip file as input
 * @param unzipDir
 *          The unzip directory where to unzip the zip file.
 * @throws IOException
 */
public static void unZip(File inFile, File unzipDir) throws IOException {
    Enumeration<? extends ZipEntry> entries;
    ZipFile zipFile = new ZipFile(inFile);

    try {
        entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = zipFile.getInputStream(entry);
                try {
                    File file = new File(unzipDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        zipFile.close();
    }
}

From source file:com.jaeksoft.searchlib.util.FileUtils.java

public final static boolean isSubDirectory(File base, File child) throws IOException {
    base = base.getCanonicalFile();/*  w  w w  . j  a va 2  s  . co  m*/
    child = child.getCanonicalFile();
    File parent = child;
    while (parent != null) {
        if (base.equals(parent))
            return true;
        parent = parent.getParentFile();
    }
    return false;
}

From source file:mobile.service.core.FileService.java

/**
 * ?//from   w  ww  .j  ava 2s . com
 * 
 * @param sourceFile ?
 * @param destFile 
 */
public static void copyFile(String sourceFile, String destFile) {
    File dest = new File(destFile);
    if (!dest.exists()) {// ?
        dest.getParentFile().mkdirs();
    }

    try (FileInputStream in = new FileInputStream(sourceFile);
            FileOutputStream out = new FileOutputStream(destFile)) {
        FileUtils.copy(in, out);
    } catch (Exception e) {
        LOGGER.error("fail to copyFile. sourceFile = " + sourceFile + " ,destFile = " + destFile, e);
    }
}

From source file:de.fmaul.android.cmis.utils.StorageUtils.java

private static void ensureOrCreatePathAndFile(File contentFile) {
    try {//from  www. ja v a 2  s.com
        contentFile.getParentFile().mkdirs();
        contentFile.createNewFile();
    } catch (IOException iox) {
        throw new RuntimeException(iox);
    }
}

From source file:Main.java

public static void copyFile(File fromFile, File toFile, Boolean rewrite) {
    if (!fromFile.exists()) {
        return;//from   w w w  .java  2s . c  om
    }
    if (!fromFile.isFile()) {
        return;
    }
    if (!fromFile.canRead()) {
        return;
    }
    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }
    if (toFile.exists() && rewrite) {
        toFile.delete();
    }

    try {
        java.io.FileInputStream fosfrom = new java.io.FileInputStream(fromFile);
        java.io.FileOutputStream fosto = new FileOutputStream(toFile);
        byte bt[] = new byte[1024];
        int c;
        while ((c = fosfrom.read(bt)) > 0) {
            fosto.write(bt, 0, c);
        }
        fosfrom.close();
        fosto.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}