RadioDDMFormFieldValueAccessor.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.dynamic.data.mapping.type.radio.internal;

import com.liferay.dynamic.data.mapping.form.field.type.DDMFormFieldValueAccessor;
import com.liferay.dynamic.data.mapping.model.Value;
import com.liferay.dynamic.data.mapping.storage.DDMFormFieldValue;
import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONException;
import com.liferay.portal.kernel.json.JSONFactory;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.StringPool;

import java.util.Locale;

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

/**
 * @author Renato Rego
 */
@Component(
	immediate = true, property = "ddm.form.field.type.name=radio",
	service = {
		DDMFormFieldValueAccessor.class, RadioDDMFormFieldValueAccessor.class
	}
)
public class RadioDDMFormFieldValueAccessor
	implements DDMFormFieldValueAccessor<String> {

	@Override
	public String getValue(DDMFormFieldValue ddmFormFieldValue, Locale locale) {
		try {
			Value value = ddmFormFieldValue.getValue();

			JSONArray jsonArray = jsonFactory.createJSONArray(
				value.getString(locale));

			return jsonArray.getString(0);
		}
		catch (JSONException jsone) {
			_log.error("Unable to parse JSON array", jsone);

			return StringPool.BLANK;
		}
	}

	@Reference
	protected JSONFactory jsonFactory;

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

}