StackTraceUtils.java 文件源码

/**
 * Parse string containing a <i>single line</i> of a StackTrace
 *
 * @param stackTraceLine string containing single line of a StackTrace
 * @return parsed StackTraceElement
 */
@Nullable
private static StackTraceElement parseStackTraceLine(@NonNull String stackTraceLine) {
    StackTraceElement retVal = null;

    Matcher matcher = STACK_TRACE_ELEMENT_PATTERN.matcher(stackTraceLine);
    if (matcher.matches()) {
        String clazz = matcher.group(1);
        String method = matcher.group(2);
        String filename = matcher.group(3);
        int line = Integer.valueOf(matcher.group(4));
        retVal = new StackTraceElement(clazz, method, filename, line);
    }
    return retVal;
}