Example usage for java.io File list

List of usage examples for java.io File list

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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:eu.sisob.uma.footils.File.FileFootils.java

public static void copyFolder(File src, File dest) throws IOException {

    if (src.isDirectory()) {

        //if directory not exists, create it
        if (!dest.exists()) {
            dest.mkdir();//from  w w w . j  av  a  2  s .co  m
        }

        //list all the directory contents
        String files[] = src.list();

        for (String file : files) {
            //construct the src and dest file structure
            File srcFile = new File(src, file);
            File destFile = new File(dest, file);
            //recursive copy
            copyFolder(srcFile, destFile);
        }

    } else {
        //if file, then copy it
        //Use bytes stream to support all file types
        InputStream in = new FileInputStream(src);
        OutputStream out = new FileOutputStream(dest);

        byte[] buffer = new byte[1024];

        int length;
        //copy the file content in bytes 
        while ((length = in.read(buffer)) > 0) {
            out.write(buffer, 0, length);
        }

        in.close();
        out.close();
    }
}

From source file:com.app.server.EARDeployer.java

public static boolean deleteDir(File dir) {
    if (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;
            }// w w  w .ja  v  a2  s  .co m
        }
    }

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

From source file:com.thejustdo.util.Utils.java

/**
 * Recursively deletes files on directory. Taken from:
 * <strong>http://www.mkyong.com/java/how-to-delete-directory-in-java/</strong>
 *
 * @param file What to clean.//  www.j a v a2 s . c  om
 * @throws IOException If couldn't delete.
 */
public static void delete(File file) throws IOException {

    if (file.isDirectory()) {

        //directory is empty, then delete it
        if (file.list().length == 0) {

            file.delete();
            log.log(Level.INFO, "Directory is deleted : {0}", file.getAbsolutePath());

        } 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();
                log.log(Level.INFO, "Directory is deleted : {0}", file.getAbsolutePath());
            }
        }

    } else {
        //if file, then delete it
        file.delete();
        log.log(Level.INFO, "File is deleted : {0}", file.getAbsolutePath());
    }
}

From source file:net.rim.ejde.internal.builders.ResourceBuilder.java

private static void cleanupTempSubdir(String name) {
    if (name == null)
        return;/*  w  w  w.  j a v a2  s .c  o m*/
    try {
        File dir = new File(name);
        String[] inDir = dir.list();
        if (inDir != null) {
            for (int i = 0; i < inDir.length; ++i) {
                File subDir = new File(dir, inDir[i]);
                if (subDir.isDirectory()) {
                    removeFiles(subDir);
                } else {
                    subDir.delete();
                }
            }
        }
        dir.delete();
    } catch (IOException ioe) {
        log.error(ioe);
    }
}

From source file:org.shareok.data.documentProcessor.DocumentProcessorUtil.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();/*  w w w .  j  a  v a2 s .  c om*/
            System.out.println("Directory is deleted : " + file.getAbsolutePath());

        } 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();
                System.out.println("Directory is deleted : " + file.getAbsolutePath());
            }
        }

    } else {
        //if file, then delete it
        file.delete();
        System.out.println("File is deleted : " + file.getAbsolutePath());
    }
}

From source file:com.elastica.helper.FileUtility.java

public static void copyFile(final File srcPath, final File dstPath) throws IOException {

    if (srcPath.isDirectory()) {
        if (!dstPath.exists()) {
            dstPath.mkdir();/*  www .  j  a v  a 2s. co  m*/
        }

        String[] files = srcPath.list();
        for (String file : files) {
            copyFile(new File(srcPath, file), new File(dstPath, file));
        }
    } else {
        if (!srcPath.exists()) {
            throw new IOException("Directory Not Found ::: " + srcPath);
        } else {
            InputStream in = null;
            OutputStream out = null;
            try {
                if (!dstPath.getParentFile().exists()) {
                    dstPath.getParentFile().mkdirs();
                }

                in = new FileInputStream(srcPath);
                out = new FileOutputStream(dstPath);

                // Transfer bytes
                byte[] buf = new byte[1024];
                int len;

                while ((len = in.read(buf)) > 0) {
                    out.write(buf, 0, len);
                }
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }

                if (out != null) {
                    try {
                        out.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
}

From source file:com.photon.phresco.service.docs.impl.DocumentUtil.java

private static void listFiles(File file, StringBuffer sb) {
    if (isDebugEnabled) {
        S_LOGGER.debug("Entering Method DocumentUtil.listFiles(File file,StringBuffer sb)");
    }//from   ww w  .  j  a v a 2s.  c o m
    String[] list = file.list();
    sb.append("<ul>"); //$NON-NLS-1$
    for (String fileOrFolder : list) {
        File newFile = new File(file.toString() + File.separator + fileOrFolder);
        if (newFile.isHidden())
            continue;
        /*if(newFile.isDirectory()){
        sb.append("<li>"); //$NON-NLS-1$
        sb.append("<a href=./"); //$NON-NLS-1$
        sb.append(newFile.getName());
        sb.append("\">"); //$NON-NLS-1$
        sb.append(newFile.getPath());
        sb.append("</a>"); //$NON-NLS-1$
        sb.append("</li>"); //$NON-NLS-1$
        listFiles(newFile, sb);
        } else {*/
        sb.append("<li>"); //$NON-NLS-1$
        sb.append("<a href=" + "\"" + "./"); //$NON-NLS-1$
        sb.append(newFile.getName());
        sb.append("\">"); //$NON-NLS-1$
        sb.append(newFile.getName());
        sb.append("</a>"); //$NON-NLS-1$
        sb.append("</li>"); //$NON-NLS-1$
        //            }
    }
    sb.append("</ul>"); //$NON-NLS-1$
}

From source file:FileHelper.java

public static boolean areInSync(File source, File destination) throws IOException {
    if (source.isDirectory()) {
        if (!destination.exists()) {
            return false;
        } else if (!destination.isDirectory()) {
            throw new IOException("Source and Destination not of the same type:" + source.getCanonicalPath()
                    + " , " + destination.getCanonicalPath());
        }//from  w ww  .ja  va  2s  . c  o m
        String[] sources = source.list();
        Set<String> srcNames = new HashSet<String>(Arrays.asList(sources));
        String[] dests = destination.list();

        // check for files in destination and not in source
        for (String fileName : dests) {
            if (!srcNames.contains(fileName)) {
                return false;
            }
        }

        boolean inSync = true;
        for (String fileName : sources) {
            File srcFile = new File(source, fileName);
            File destFile = new File(destination, fileName);
            if (!areInSync(srcFile, destFile)) {
                inSync = false;
                break;
            }
        }
        return inSync;
    } else {
        if (destination.exists() && destination.isFile()) {
            long sts = source.lastModified() / FAT_PRECISION;
            long dts = destination.lastModified() / FAT_PRECISION;
            return sts == dts;
        } else {
            return false;
        }
    }
}

From source file:jfix.util.Reflections.java

/**
 * Returns all instanceable (sub-)classes of given type in given package.
 *//* www.j a  v a  2s.  co m*/
public static <E> E[] find(Class<E> classType, Package pckage) {
    File directory;
    try {
        String name = "/" + pckage.getName().replace('.', '/');
        directory = new File(classType.getResource(name).toURI());
    } catch (URISyntaxException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
    List<E> result = new ArrayList<>();
    if (directory.exists()) {
        String[] files = directory.list();
        for (int i = 0; i < files.length; i++) {
            if (files[i].endsWith(".class")) {
                String classname = files[i].substring(0, files[i].length() - 6);
                try {
                    Object o = Class.forName(pckage.getName() + "." + classname).newInstance();
                    if (classType.isInstance(o)) {
                        result.add((E) o);
                    }
                } catch (ClassNotFoundException cnfex) {
                    System.err.println(cnfex);
                } catch (InstantiationException iex) {
                } catch (IllegalAccessException iaex) {
                }
            }
        }
    }
    result.sort(new Comparator<Object>() {
        public int compare(Object o1, Object o2) {
            return o1.getClass().getSimpleName().compareTo(o2.getClass().getSimpleName());
        }
    });
    return result.toArray((E[]) Array.newInstance(classType, result.size()));
}

From source file:net.duckling.ddl.util.FileUtil.java

public static boolean deleteFilesInFolder(String strFolder) {
    boolean flag = false;
    File folder = new File(strFolder);
    if (!folder.exists()) {
        return flag;
    }/*  w w w. j  a va  2s . c o  m*/
    String[] files = folder.list();
    for (int i = 0; i < files.length; i++) {
        String fileName = strFolder + File.separator + files[i];
        File file = new File(fileName);
        if (file.isDirectory()) {
            flag = deleteFolders(fileName);
        } else {
            file.delete();
        }
    }
    return flag;
}