| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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 |
| * |
| * http://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.onlab.util; |
| |
| /** |
| * Allows slf4j style formatting of parameters into a string. |
| */ |
| public final class PositionalParameterStringFormatter { |
| |
| /** |
| * Hide default constructor. |
| */ |
| private PositionalParameterStringFormatter() { |
| } |
| |
| /** |
| * Formats a string using slf4j style positional parameter replacement. |
| * Instances of "{}" in the source string are replaced in order by the |
| * specified parameter values as strings. |
| * |
| * @param source original string to format |
| * @param parameters list of parameters that will be substituted |
| * @return formatted string |
| */ |
| public static String format(String source, Object... parameters) { |
| String current = source; |
| for (Object parameter : parameters) { |
| if (!current.contains("{}")) { |
| return current; |
| } |
| current = current.replaceFirst("\\{\\}", String.valueOf(parameter)); |
| } |
| return current; |
| } |
| } |