Example usage for org.apache.commons.io.filefilter FileFilterUtils makeDirectoryOnly

Introduction

In this page you can find the example usage for org.apache.commons.io.filefilter FileFilterUtils makeDirectoryOnly.

Prototype

public static IOFileFilter makeDirectoryOnly(IOFileFilter filter) 

Source Link

Document

Decorates a filter so that it only applies to directories and not to files.

Usage

From source file:ome.services.blitz.repo.PublicRepositoryI.java

/**
  * Get a filtered file listing based on the config options.
  */*from  www . java2 s  .  c om*/
  * @param file
  *            A File object representing the directory to be listed.
  * @param config
  *            A RepositoryListConfig object holding the filter options.
  * @return A list of File objects
  *
  */
private List<File> filteredFiles(File file, RepositoryListConfig config) throws ServerError {
    List<File> files;
    IOFileFilter filter;

    // If hidden is true list all files otherwise only those files not starting with "."
    if (config.hidden) {
        filter = FileFilterUtils.trueFileFilter();
    } else {
        filter = FileFilterUtils.notFileFilter(FileFilterUtils.prefixFileFilter("."));
    }

    // Now decorate the filter to restrict to files or directories,
    // the else case is for a bizarre config of wanting nothing returned!
    if (!(config.dirs && config.files)) {
        if (config.dirs) {
            filter = FileFilterUtils.makeDirectoryOnly(filter);
        } else if (config.files) {
            filter = FileFilterUtils.makeFileOnly(filter);
        } else {
            filter = FileFilterUtils.falseFileFilter();
        }
    }

    files = Arrays.asList(file.listFiles((FileFilter) filter));

    return files;
}

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