Example usage for java.io File list

Introduction

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

Prototype

public String[] list() 

Source Link

Document

Returns an array of strings naming the files and directories in the directory denoted by this abstract pathname.

Usage

From source file:com.github.ipaas.ifw.front.FisResource.java

private static void registerAll(String resMappingFileDir) throws FisException {
    String configDirPath = FisResource.class.getClassLoader().getResource(resMappingFileDir).getFile();

    File mapJsonDir = new File(configDirPath);
    String[] mapJsonFiles = mapJsonDir.list();

    FilenameFilter defaultFileNameFilter = new FilenameFilter() {
        public boolean accept(File dir, String name) {
            boolean isMatch = name.equals(DEFAULT_RES_MAPPING_FILE);
            return isMatch;

        }// w  ww.  j  a  v a  2 s.com
    };
    FilenameFilter nameSpaceFileNameFilter = new FilenameFilter() {
        public boolean accept(File dir, String name) {
            boolean isMatch = name.endsWith("-" + DEFAULT_RES_MAPPING_FILE);
            return isMatch;

        }
    };

    String[] childrenFileNames = mapJsonDir.list(defaultFileNameFilter);
    String[] nameSpacechildrenFileNames = mapJsonDir.list(nameSpaceFileNameFilter);

    if ((null == childrenFileNames || 0 == childrenFileNames.length)
            && (null == nameSpacechildrenFileNames || 0 == nameSpacechildrenFileNames.length)) {
        throw new FisException("Resource Mapping File Not Found!");
    }

    // ?
    if (null != childrenFileNames || 0 < childrenFileNames.length) {
        for (int i = 0; i < childrenFileNames.length; i++) {
            FisResource.register(FisResource.DEFAULT_MAPPING_FILE_DIR, FisResource.DEFAULT_NS_GLOBAL);
        }
    }

    // ???
    if (null != nameSpacechildrenFileNames || 0 < nameSpacechildrenFileNames.length) {
        for (int i = 0; i < nameSpacechildrenFileNames.length; i++) {
            String fileName = nameSpacechildrenFileNames[i];
            int pos = fileName.indexOf("-" + FisResource.DEFAULT_RES_MAPPING_FILE);
            String namespace = fileName.substring(0, pos);
            FisResource.register(FisResource.DEFAULT_MAPPING_FILE_DIR, namespace);
        }
    }

    // for (int i = 0, len = mapJsonFiles.length; i < len; i++) {
    // String fileName = mapJsonFiles[i];
    // if (fileName.equals(FisResource.DEFAULT_RES_MAPPING_FILE)) {
    // FisResource.register(FisResource.DEFAULT_MAPPING_FILE_DIR,
    // FisResource.DEFAULT_NS_GLOBAL);
    // } else {
    // int pos = fileName.indexOf("-" +
    // FisResource.DEFAULT_RES_MAPPING_FILE);
    // if (pos > 0) {
    // String namespace = fileName.substring(0, pos);
    // FisResource.register(FisResource.DEFAULT_MAPPING_FILE_DIR,
    // namespace);
    // }
    // }
    // }
}

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From source file:com.data.pack.Util.java

public static boolean deleteDir(java.io.File dir) {
    if (dir != null && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }//from w w  w.  j  a va2  s . c  o  m
        }
    }

    // The directory is now empty so delete it
    return dir.delete();
}

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From source file:IOUtilities.java

/**
 * Removes the given directory and all files within it, recursively. Returns
 * <code>true</code> if successful, <code>false</code> otherwise. Note that if
 * it return <code>false</code>, some (or all) the files in the directory may
 * already be deleted.// ww w  .j  a  va2s  .  c o  m
 */

public static boolean rmdir(File dir) {
    if (!dir.isDirectory())
        throw new IllegalArgumentException();

    String[] filenames = dir.list();
    for (int i = 0; i < filenames.length; i++) {
        File file = new File(dir, filenames[i]);
        if (file.isDirectory()) {
            if (!rmdir(file))
                return false;
        } else if (!file.delete())
            return false;
    }

    return dir.delete();
}

---

From source file:com.blackberry.logtools.LogTools.java

public static void delete(File file) throws IOException {
    if (file.isDirectory()) {
        //directory is empty, then delete it
        if (file.list().length == 0) {
            file.delete();/*from   w ww .  j  a  va2s  .  c o m*/
        } else {
            //list all the directory contents
            String files[] = file.list();

            for (String temp : files) {
                //construct the file structure
                File fileDelete = new File(file, temp);
                //recursive delete
                delete(fileDelete);
            }

            //check the directory again, if empty then delete it
            if (file.list().length == 0) {
                file.delete();
            }
        }
    } else {
        //if file, then delete it
        file.delete();
    }
}

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From source file:com.dnielfe.manager.utils.SimpleUtils.java

public static void deleteTarget(Activity activity, String path, String dir) {
    File target = new File(path);

    if (!target.exists()) {
        return;// w ww .j  a  v a2s. co  m
    } else if (target.isFile() && target.canWrite()) {
        target.delete();
        requestMediaScanner(activity, target);
        return;
    } else if (target.isDirectory() && target.canRead()) {
        String[] file_list = target.list();

        if (file_list != null && file_list.length == 0) {
            target.delete();
            return;
        } else if (file_list != null && file_list.length > 0) {

            for (int i = 0; i < file_list.length; i++) {
                File temp_f = new File(target.getAbsolutePath() + "/" + file_list[i]);

                if (temp_f.isDirectory())
                    deleteTarget(activity, temp_f.getAbsolutePath(), dir);
                else if (temp_f.isFile()) {
                    temp_f.delete();
                    requestMediaScanner(activity, temp_f);
                }
            }
        }

        if (target.exists())
            if (target.delete())
                return;
    } else if (target.exists() && !target.delete()) {
        RootCommands.DeleteFileRoot(path, dir);
    }
    return;
}

---

From source file:Main.java

/**
 * @param filter -//  ww  w  .  ja  va  2 s.  c om
 *          array of names to not copy.
 */
public static boolean copyDirectory(File from, File to, byte[] buffer, String[] filter) {
    //
    // System.out.println("copyDirectory("+from+","+to+")");

    if (from == null)
        return false;
    if (!from.exists())
        return true;
    if (!from.isDirectory())
        return false;

    if (to.exists()) {
        // System.out.println(to + " exists");
        return false;
    }
    if (!to.mkdirs()) {
        // System.out.println("can't make" + to);
        return false;
    }

    String[] list = from.list();

    // Some JVMs return null for File.list() when the
    // directory is empty.
    if (list != null) {

        if (buffer == null)
            buffer = new byte[BUFFER_SIZE]; // reuse this buffer to copy files

        nextFile: for (int i = 0; i < list.length; i++) {

            String fileName = list[i];

            if (filter != null) {
                for (int j = 0; j < filter.length; j++) {
                    if (fileName.equals(filter[j]))
                        continue nextFile;
                }
            }

            File entry = new File(from, fileName);

            // System.out.println("\tcopying entry " + entry);

            if (entry.isDirectory()) {
                if (!copyDirectory(entry, new File(to, fileName), buffer, filter))
                    return false;
            } else {
                if (!copyFile(entry, new File(to, fileName), buffer))
                    return false;
            }
        }
    }
    return true;
}

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From source file:net.openchrom.xxd.processor.supplier.rscripting.ui.code.RServe.java

public static File[] ListFilesDirectory(File filedirectory, final String[] extensions) {

    File dir = filedirectory;
    String[] children = dir.list();
    if (children == null) {
    } else {//from  w  w  w . ja  v a  2s . co  m
        for (int i = 0; i < children.length; i++) {
            // Get filename of the file or directory inside Plugin.
            String filename = children[i];
        }
    }
    // Filter the extension of the file.
    FilenameFilter filter = new FilenameFilter() {

        public boolean accept(File dir, String name) {

            return (name.endsWith(extensions[0]) || name.endsWith(extensions[1]) || name.endsWith(extensions[2])
                    || name.endsWith(extensions[3]) || name.endsWith(extensions[4])
                    || name.endsWith(extensions[5]));
        }
    };
    File[] files = dir.listFiles(filter);
    /* Sort the filenames! */
    Arrays.sort(files, NameFileComparator.NAME_INSENSITIVE_COMPARATOR);
    return files;
}

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From source file:gov.nih.nci.restgen.util.GeneratorUtil.java

public static void copyFiles(String srcFolderStr, String destFolderStr, List exclude) throws IOException {
    File srcFolder = new File(srcFolderStr);
    File destFolder = new File(destFolderStr);

    if (srcFolder.isDirectory()) {

        // if directory not exists, create it
        if (!destFolder.exists()) {
            destFolder.mkdir();/*from w w w  .jav a2s . c  o m*/
            //System.out.println("Directory copied from " + srcFolder + "  to " + destFolder);
        }

        String files[] = srcFolder.list();

        for (String file : files) {
            File srcFile = new File(srcFolder, file);
            if (exclude != null && exclude.contains(srcFile.getName()))
                continue;
            File destFile = new File(destFolder, file);
            copyFile(srcFile, destFile);
        }

    }
}

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From source file:com.glaf.core.util.ZipUtils.java

public static void makeZip(File dir, File zipFile) throws IOException, FileNotFoundException {
    JarOutputStream jos = new JarOutputStream(new FileOutputStream(zipFile));
    String as[] = dir.list();
    if (as != null) {
        for (int i = 0; i < as.length; i++)
            recurseFiles(jos, new File(dir, as[i]), "");
    }//  w  ww . j ava 2  s.c o m
    jos.close();
}

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From source file:org.mule.providers.soap.axis.wsdl.wsrf.util.AdviceAdderHelper.java

/**
 * list Classes inside a given package./*  w w w .  j a va 2  s . c om*/
 * 
 * @param pckgname String name of a Package, EG "java.lang"
 * @return Class[] classes inside the root of the given package
 * @throws ClassNotFoundException if the Package is invalid
 */
private static Class[] getClasses(String pckgname) throws ClassNotFoundException {

    ArrayList classes = new ArrayList();
    // Get a File object for the package
    File directory = null;
    try {
        URL str = Thread.currentThread().getContextClassLoader().getResource(pckgname.replace('.', '/'));
        System.out.println("instance advice..." + new File(str.getFile()).getName());
        directory = new File(str.getFile());

    } catch (NullPointerException x) {
        throw new ClassNotFoundException(pckgname + " does not appear to be a valid package");
    }
    if (directory.exists()) {
        // Get the list of the files contained in the package
        String[] files = directory.list();
        for (int i = 0; i < files.length; i++) {
            // we are only interested in *Advice.class files
            if (files[i].endsWith("Advice.class")) {
                // removes the .class extension
                classes.add(Class.forName(
                        pckgname + '.' + files[i].substring(0, files[i].length() - SUFFIX_CLASS_LENGTH)));
            }
        }
    } else {
        throw new ClassNotFoundException(pckgname + " does not appear to be a valid package");
    }
    Class[] classesA = new Class[classes.size()];
    classes.toArray(classesA);
    return classesA;
}

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