com.liferay.portlet.dynamicdatamapping.storage.DocumentLibraryFieldRenderer.java Source code

Introduction

Here is the source code for com.liferay.portlet.dynamicdatamapping.storage.DocumentLibraryFieldRenderer.java

Source

/**
 * Copyright (c) 2000-2012 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.portlet.dynamicdatamapping.storage;

import com.liferay.portal.kernel.json.JSONException;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portlet.documentlibrary.NoSuchFileEntryException;
import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;

import java.io.Serializable;

/**
 * @author Bruno Basto
 */
public class DocumentLibraryFieldRenderer extends BaseFieldRenderer {

    @Override
    protected String doRender(ThemeDisplay themeDisplay, Field field) {
        Serializable fieldValue = field.getValue();

        if (Validator.isNull(fieldValue) || fieldValue.equals(JSONFactoryUtil.getNullJSON())) {

            return StringPool.BLANK;
        }

        JSONObject fieldValueJSONObject = null;

        try {
            fieldValueJSONObject = JSONFactoryUtil.createJSONObject(String.valueOf(fieldValue));
        } catch (JSONException jsone) {
            if (_log.isDebugEnabled()) {
                _log.debug("Unable to parse JSON", jsone);
            }

            return StringPool.BLANK;
        }

        long fileEntryGroupId = fieldValueJSONObject.getLong("groupId");
        String fileEntryUUID = fieldValueJSONObject.getString("uuid");

        try {
            FileEntry fileEntry = DLAppServiceUtil.getFileEntryByUuidAndGroupId(fileEntryUUID, fileEntryGroupId);

            return fileEntry.getTitle();
        } catch (Exception e) {
            if (e instanceof NoSuchFileEntryException || e instanceof PrincipalException) {

                return LanguageUtil.format(themeDisplay.getLocale(), "is-temporarily-unavailable", "content");
            }
        }

        return StringPool.BLANK;
    }

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

}