private String replace(String string, Properties table) {
try {
Pattern pattern = Pattern.compile("\\$\\{\\w+\\}");
Matcher matcher = pattern.matcher(string);
StringBuffer sb = new StringBuffer();
while (matcher.find()) {
String group = matcher.group();
String key = group.substring(2, group.length() - 1).trim();
String repl = table.getProperty(key);
if (repl == null) repl = matcher.quoteReplacement(group);
matcher.appendReplacement(sb, repl);
}
matcher.appendTail(sb);
return sb.toString();
} catch (Exception ex) {
return string;
}
}
protected String getProperty(String key) {
return properties.getProperty(key);
}