com.liferay.portal.kernel.util.PackagingUtil Maven / Gradle / Ivy

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Contains interfaces for the portal services. Interfaces are only loaded by the global class loader and are shared by all plugins.

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/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.util;

import java.io.File;

import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Stack;

/**
 * @author Raymond Augé
 */
public class PackagingUtil {

	public static List getPackagesFromPath(File file) {
		Set packages = new HashSet();
		Stack packageStack = new Stack();

		subPackages(file, packages, packageStack);

		List list = ListUtil.fromCollection(packages);

		Collections.sort(list);

		return list;
	}

	protected static void subPackages(
		File file, Set packages, Stack packageStack) {

		for (File subFile : file.listFiles()) {
			if (subFile.isDirectory()) {
				packageStack.push(subFile.getName());

				String packageName = StringUtil.merge(
					packageStack, StringPool.PERIOD);

				if (packageName.contains(StringPool.PERIOD)) {
					packages.add(packageName);
				}

				subPackages(subFile, packages, packageStack);

				packageStack.pop();
			}
		}
	}

}