de.thischwa.pmcms.tool.connection.UploadTreeNode.java Source code

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Here is the source code for de.thischwa.pmcms.tool.connection.UploadTreeNode.java

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/*******************************************************************************
 * Poor Man's CMS (pmcms) - A very basic CMS generating static html pages.
 * http://poormans.sourceforge.net
 * Copyright (C) 2004-2013 by Thilo Schwarz
 * 
 * == BEGIN LICENSE ==
 * 
 * Licensed under the terms of any of the following licenses at your
 * choice:
 * 
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 * 
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * == END LICENSE ==
 ******************************************************************************/
package de.thischwa.pmcms.tool.connection;

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

import org.apache.commons.lang.StringUtils;

/**
 * Node of the {@link UploadTree}. It handles the addition of {@link UploadObject}s itself. They will be automatically 
 * add at the correct point in the hierarchy. 
 *
 * @author Thilo Schwarz
 */
public class UploadTreeNode {
    private Map<String, UploadTreeNode> subTrees;
    private List<UploadObject> children;

    protected UploadTreeNode() {
        subTrees = new HashMap<String, UploadTreeNode>();
        children = new ArrayList<UploadObject>();
    }

    protected void add(String pathName, UploadObject uo) {
        String[] keys = splitPath(pathName);
        if (keys == null) {
            children.add(uo);
            return;
        }
        if (!subTrees.containsKey(keys[0]))
            subTrees.put(keys[0], new UploadTreeNode());
        subTrees.get(keys[0]).add(keys[1], uo);
    }

    public Map<String, UploadTreeNode> getSubTrees() {
        return subTrees;
    }

    public List<UploadObject> getChildren() {
        return children;
    }

    public boolean hasChildren() {
        return !children.isEmpty();
    }

    public boolean hasSubTrees() {
        return !subTrees.isEmpty();
    }

    protected static String[] splitPath(String path) {
        if (!path.contains("" + UploadTree.PATH_SEPARATOR) || StringUtils.isEmpty(path))
            return null;
        String[] keys = new String[2];
        keys[0] = path.substring(0, path.indexOf(UploadTree.PATH_SEPARATOR));
        keys[1] = path.substring(path.indexOf(UploadTree.PATH_SEPARATOR) + 1, path.length());
        return keys;
    }
}