org.onlab.util.PositionalParameterStringFormatter Maven / Gradle / Ivy
/*
* Copyright 2015-present Open Networking Foundation
*
* 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;
}
}