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

Introduction

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

Prototype

public void setChildren(FileEntry[] children) 

Source Link

Document

Set the directory's files.

Usage

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

/**
 * Create a new file entry for the specified file.
 *
 * @param parent The parent file entry//  w  w  w.  j  a  v  a  2  s . com
 * @param file   The file to create an entry for
 * @return A new file entry
 */
private FileEntry createFileEntry(final FileEntry parent, final File file) {
    final FileEntry entry = parent.newChildInstance(file);
    entry.refresh(file);
    final FileEntry[] children = doListFiles(file, entry);
    entry.setChildren(children);
    return entry;
}

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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//www  . j  av a2 s . co 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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