LoremIpsumBlogsEntryDemoDataCreatorImpl.java

/**
 * Copyright (c) 2000-present 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.blogs.demo.data.creator.internal;

import com.liferay.blogs.demo.data.creator.BlogsEntryDemoDataCreator;
import com.liferay.blogs.model.BlogsEntry;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.security.RandomUtil;
import com.liferay.portal.kernel.util.CharPool;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;

import java.io.IOException;

import java.util.Arrays;
import java.util.List;

import org.osgi.service.component.annotations.Component;

/**
 * @author Alejandro Hernández
 */
@Component(
	property = {"source=lorem-ipsum"}, service = BlogsEntryDemoDataCreator.class
)
public class LoremIpsumBlogsEntryDemoDataCreatorImpl
	extends BaseBlogsEntryDemoDataCreator {

	@Override
	public BlogsEntry create(long userId, long groupId)
		throws IOException, PortalException {

		String title = _getRandomElement(_titles);
		String subtitle = _getRandomElement(_subtitles);
		String content = _getRandomContent();

		return createBlogsEntry(userId, groupId, title, subtitle, content);
	}

	private static List<String> _read(String fileName) {
		return Arrays.asList(
			StringUtil.split(
				StringUtil.read(
					LoremIpsumBlogsEntryDemoDataCreatorImpl.class,
					"dependencies/lorem/ipsum/" + fileName + ".txt"),
				CharPool.NEW_LINE));
	}

	private String _getRandomContent() {
		int count = RandomUtil.nextInt(5) + 3;

		StringBundler sb = new StringBundler(count * 3);

		for (int i = 0; i < count; i++) {
			sb.append("<p>");
			sb.append(_getRandomElement(_paragraphs));
			sb.append("</p>");
		}

		return sb.toString();
	}

	private String _getRandomElement(List<String> list) {
		return list.get(RandomUtil.nextInt(list.size()));
	}

	private static final Log _log = LogFactoryUtil.getLog(
		LoremIpsumBlogsEntryDemoDataCreatorImpl.class);

	private static final List<String> _paragraphs = _read("paragraphs");
	private static final List<String> _subtitles = _read("subtitles");
	private static final List<String> _titles = _read("titles");

}