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

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Here is the source code for com.liferay.dynamic.data.mapping.storage.impl.GeolocationFieldRenderer.java

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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.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.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;

import java.io.Serializable;

import java.text.NumberFormat;

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

/**
 * @author Sergio Gonzlez
 */
public class GeolocationFieldRenderer 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;
        }

        StringBundler sb = new StringBundler(7);

        sb.append(LanguageUtil.get(locale, "latitude"));
        sb.append(": ");

        double latitude = jsonObject.getDouble("latitude");

        NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);

        sb.append(numberFormat.format(latitude));

        sb.append(StringPool.COMMA_AND_SPACE);
        sb.append(LanguageUtil.get(locale, "longitude"));
        sb.append(": ");

        double longitude = jsonObject.getDouble("longitude");

        sb.append(numberFormat.format(longitude));

        return sb.toString();
    }

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

}