io.apicurio.datamodels.compat.LoggerCompat Maven / Gradle / Ivy
/*
* Copyright 2019 Red Hat
*
* 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 io.apicurio.datamodels.compat;
import java.io.PrintStream;
/**
* Compatibility class used to perform logging. Logging is handled differently in Java vs. TS/JS.
* A LoggerCompat.ts file exists and implements the TS/JS version of this class.
* @author [email protected]
*/
public class LoggerCompat {
private static void output(String prefix, PrintStream stream, String message, Object ...args) {
stream.print("|");
stream.print(prefix);
stream.print("| ");
stream.print(formatMessage(message, args));
stream.println("");
}
private static String formatMessage(String message, Object[] args) {
boolean done = false;
String rval = message;
int argidx = 0;
while (!done) {
int idx = rval.indexOf("%");
if (idx == -1) {
break;
}
rval = rval.substring(0, idx) + String.valueOf(args[argidx++]) + rval.substring(idx + 2);
}
return rval;
}
public static void info(String message, Object ...args) {
LoggerCompat.output("INFO", System.out, message, args);
}
public static void warn(String message, Object ...args) {
LoggerCompat.output("WARN", System.err, message, args);
}
public static void debug(String message, Object ...args) {
LoggerCompat.output("DEBUG", System.out, message, args);
}
}