com.liferay.fragment.model.impl.FragmentCompositionImpl Maven / Gradle / Ivy

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/**
 * 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.fragment.model.impl;

import com.liferay.document.library.kernel.util.DLUtil;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portletfilerepository.PortletFileRepositoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Validator;

/**
 * @author Pavel Savinov
 */
public class FragmentCompositionImpl extends FragmentCompositionBaseImpl {

	@Override
	public JSONObject getDataJSONObject() throws Exception {
		return JSONFactoryUtil.createJSONObject(getData());
	}

	@Override
	public String getImagePreviewURL(ThemeDisplay themeDisplay) {
		if (Validator.isNotNull(_imagePreviewURL)) {
			return _imagePreviewURL;
		}

		try {
			FileEntry fileEntry = _getPreviewFileEntry();

			if (fileEntry == null) {
				return StringPool.BLANK;
			}

			return DLUtil.getImagePreviewURL(fileEntry, themeDisplay);
		}
		catch (Exception exception) {
			_log.error("Unable to get preview entry image URL", exception);
		}

		return StringPool.BLANK;
	}

	@Override
	public void setImagePreviewURL(String imagePreviewURL) {
		_imagePreviewURL = imagePreviewURL;
	}

	private FileEntry _getPreviewFileEntry() {
		if (getPreviewFileEntryId() <= 0) {
			return null;
		}

		try {
			return PortletFileRepositoryUtil.getPortletFileEntry(
				getPreviewFileEntryId());
		}
		catch (PortalException portalException) {
			if (_log.isDebugEnabled()) {
				_log.debug(
					"Unable to get file entry preview ", portalException);
			}
		}

		return null;
	}

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

	private String _imagePreviewURL;

}