/*
* Copyright (c) 2002-2006 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.xwork2.util.logging;
/**
* Logging utility methods
*/
public class LoggerUtils {
/**
* Formats messages using parameters. For example, the call:
*
* <pre>
* format("foo #1", "bob");
* </pre>
*
* will return:
* <pre>
* foo bob
* </pre>
*
* @param msg The message
* @param args A list of arguments. A maximum of 10 are supported.
* @return The formatted string
*/
public static String format(String msg, String... args) {
if (msg != null && msg.length() > 0 && msg.indexOf('#') > -1) {
StringBuilder sb = new StringBuilder();
boolean isArg = false;
for (int x = 0; x < msg.length(); x++) {
char c = msg.charAt(x);
if (isArg) {
isArg = false;
if (Character.isDigit(c)) {
int val = Character.getNumericValue(c);
if (val >= 0 && val < args.length) {
sb.append(args[val]);
continue;
}
}
sb.append('#');
}
if (c == '#') {
isArg = true;
continue;
}
sb.append(c);
}
if (isArg) {
sb.append('#');
}
return sb.toString();
}
return msg;
}
}
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