rapture.folder.util.NameHeirarchyFromURL Maven / Gradle / Ivy

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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package rapture.folder.util;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import rapture.common.RaptureFolderInfo;

/**
 * Get RaptureFolderInfo structures via various means
 * 
 * @author amkimian
 *
 */
public class NameHeirarchyFromURL {
    private static Logger log = Logger.getLogger(NameHeirarchyFromURL.class);
   private NameHeirarchyFromURL() {
        
    }
    
    public static Map> getFolderStructure(String rootFolderUrl) {
            return getFoldersFromFileSystemUrl(rootFolderUrl);
    }

     private static Map> getFoldersFromFileSystemUrl(String rootFolderUrl) {
        Map> ret = new HashMap>();
        File[] files = new File(rootFolderUrl).listFiles();
        log.info("Files are " + files);
        workWith(ret, rootFolderUrl, "", files);
        return ret;
    }

    private static void workWith(Map> ret, String rootFolderUrl, String prefix, File[] files) {
        for(File f : files) {
            if (f.isFile()) {
                log.info("Found file " + f.getName());
                RaptureFolderInfo info = new RaptureFolderInfo();
                info.setFolder(false);
                info.setName(f.getName());
                addEntry(ret, prefix, info);
            } else {
                log.info("Found folder " + f.getName());
                String newRootFolder = rootFolderUrl + "/" + f.getName();
                String newPrefix = prefix + (prefix.isEmpty() ? "" : "/") + f.getName();
                log.info("Lower name is " + newPrefix);
                RaptureFolderInfo info = new RaptureFolderInfo();
                info.setFolder(true);
                info.setName(f.getName());
                addEntry(ret, prefix, info);
                File[] innerFiles = f.listFiles();
                log.info("Inner files are " + innerFiles);
                workWith(ret, newRootFolder, newPrefix, innerFiles);
            }
        }
    }

    private static void addEntry(Map> ret, String rootFolderUrl, RaptureFolderInfo info) {
        if (!ret.containsKey(rootFolderUrl)) {
            ret.put(rootFolderUrl, new ArrayList());
        }
        ret.get(rootFolderUrl).add(info);
    }
}