/*
 * Copyright 2018-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.dataflow.core;

import org.springframework.util.StringUtils;

/**
 * @author Christian Tzolov
 */
public class DefinitionUtils {

	public static String escapeNewlines(String propertyValue) {
		if (!StringUtils.hasText(propertyValue)) {
			return propertyValue;
		}
		return propertyValue.replace("\n", "\\n");
	}

	public static String autoQuotes(String propertyValue) {

		if (!StringUtils.hasText(propertyValue)) {
			return propertyValue;
		}

		if (propertyValue.startsWith("\"") && propertyValue.endsWith("\"")) {
			return propertyValue;
		}

		String result = propertyValue;
		if (!propertyValue.contains("'")) {
			if (propertyValue.contains(" ") || propertyValue.contains(";") || propertyValue.contains("*")) {
				result = "'" + propertyValue + "'";
			}
		}
		else {
			if (propertyValue.contains(" ") || propertyValue.contains(";") || propertyValue.contains("*")) {
				result = "\"" + propertyValue + "\"";
			}
		}

		return result;
	}
}
