AttributeDefinitionUtil.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.configuration.admin.web.internal.util;

import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;

import java.util.Dictionary;
import java.util.Vector;

import org.osgi.service.cm.Configuration;
import org.osgi.service.metatype.AttributeDefinition;

/**
 * @author André de Oliveira
 */
public class AttributeDefinitionUtil {

	public static String[] getDefaultValue(
		AttributeDefinition attributeDefinition) {

		String[] defaultValues = attributeDefinition.getDefaultValue();

		if (ArrayUtil.isEmpty(defaultValues)) {
			return new String[] {StringPool.BLANK};
		}

		if ((attributeDefinition.getCardinality() == 0) ||
			(defaultValues.length > 1)) {

			return defaultValues;
		}

		return StringUtil.split(defaultValues[0], StringPool.PIPE);
	}

	public static String[] getProperty(
		AttributeDefinition attributeDefinition, Configuration configuration) {

		Dictionary<String, Object> properties = configuration.getProperties();

		Object property = properties.get(attributeDefinition.getID());

		if (property == null) {
			return new String[0];
		}

		int cardinality = attributeDefinition.getCardinality();

		if (cardinality == 0) {
			return new String[] {String.valueOf(property)};
		}

		if (cardinality > 0) {
			if (property instanceof Object[]) {
				return ArrayUtil.toStringArray((Object[])property);
			}
			else {
				return new String[] {String.valueOf(property)};
			}
		}

		Vector<?> vector = (Vector<?>)property;

		return ArrayUtil.toStringArray(vector.toArray());
	}

}