Example usage for org.apache.commons.io.monitor FileEntry getChildren

Introduction

In this page you can find the example usage for org.apache.commons.io.monitor FileEntry getChildren.

Prototype

public FileEntry[] getChildren() 

Source Link

Document

Return the directory's files.

Usage

From source file:com.owncloud.android.services.observer.AdvancedFileAlterationObserver.java

/**
 * Fire directory/file created events to the registered listeners.
 *
 * @param entry The file entry//from   w w w  . ja va 2s  . c  o  m
 */
private void doCreate(final FileEntry entry, int delay) {
    for (final AdvancedFileAlterationListener listener : listeners) {
        if (entry.isDirectory()) {
            listener.onDirectoryCreate(entry.getFile());
        } else {
            listener.onFileCreate(entry.getFile(), delay);
        }
    }
    final FileEntry[] children = entry.getChildren();
    for (final FileEntry aChildren : children) {
        doCreate(aChildren, delay);
    }
}

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From source file:com.owncloud.android.services.observer.AdvancedFileAlterationObserver.java

/**
 * Compare two file lists for files which have been created, modified or deleted.
 *
 * @param parent   The parent entry/*from  w  w  w  .  j  av  a  2s .c o  m*/
 * @param previous The original list of files
 * @param files    The current list of files
 */
private void checkAndNotify(final FileEntry parent, final FileEntry[] previous, final File[] files, int delay) {
    if (files != null && files.length > 0) {
        int c = 0;
        final FileEntry[] current = files.length > 0 ? new FileEntry[files.length] : EMPTY_ENTRIES;
        for (final FileEntry entry : previous) {
            while (c < files.length && comparator.compare(entry.getFile(), files[c]) > 0) {
                current[c] = createFileEntry(parent, files[c]);
                doCreate(current[c], delay);
                c++;
            }
            if (c < files.length && comparator.compare(entry.getFile(), files[c]) == 0) {
                doMatch(entry, files[c], delay);
                checkAndNotify(entry, entry.getChildren(), listFiles(files[c]), delay);
                current[c] = entry;
                c++;
            } else {
                checkAndNotify(entry, entry.getChildren(), FileUtils.EMPTY_FILE_ARRAY, delay);
                doDelete(entry);
            }
        }
        for (; c < files.length; c++) {
            current[c] = createFileEntry(parent, files[c]);
            doCreate(current[c], delay);
        }
        parent.setChildren(current);
    }
}

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