com.liferay.dynamic.data.mapping.storage.impl.LinkToPageFieldRenderer.java Source code

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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.dynamic.data.mapping.storage.impl;

import com.liferay.dynamic.data.mapping.storage.BaseFieldRenderer;
import com.liferay.dynamic.data.mapping.storage.Field;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.exception.NoSuchLayoutException;
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.security.auth.PrincipalException;
import com.liferay.portal.kernel.service.LayoutServiceUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;

import java.io.Serializable;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

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

    @Override
    protected String doRender(Field field, Locale locale) throws Exception {
        List<String> values = new ArrayList<>();

        for (Serializable value : field.getValues(locale)) {
            String valueString = String.valueOf(value);

            if (Validator.isNull(valueString)) {
                continue;
            }

            values.add(handleJSON(valueString, locale));
        }

        return StringUtil.merge(values, StringPool.COMMA_AND_SPACE);
    }

    @Override
    protected String doRender(Field field, Locale locale, int valueIndex) {
        Serializable value = field.getValue(locale, valueIndex);

        if (Validator.isNull(value)) {
            return StringPool.BLANK;
        }

        return handleJSON(String.valueOf(value), locale);
    }

    protected String handleJSON(String value, Locale locale) {
        JSONObject jsonObject = null;

        try {
            jsonObject = JSONFactoryUtil.createJSONObject(value);
        } catch (JSONException jsone) {
            if (_log.isDebugEnabled()) {
                _log.debug("Unable to parse JSON", jsone);
            }

            return StringPool.BLANK;
        }

        long groupId = jsonObject.getLong("groupId");
        boolean privateLayout = jsonObject.getBoolean("privateLayout");
        long layoutId = jsonObject.getLong("layoutId");

        try {
            return LayoutServiceUtil.getLayoutName(groupId, privateLayout, layoutId,
                    LanguageUtil.getLanguageId(locale));
        } catch (Exception e) {
            if (e instanceof NoSuchLayoutException || e instanceof PrincipalException) {

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

        return StringPool.BLANK;
    }

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

}