@SuppressWarnings("unchecked")
public String format(final LogRecord record) {
// Reset working buffer. If the buffer is too large, then we need a new
// one in order to avoid the penalty of creating a large array.
if (buf.capacity() > UPPER_LIMIT) {
buf = new StringBuffer(DEFAULT_SIZE);
} else {
buf.setLength(0);
}
buf.append("<log4j:event logger=\"");
buf.append(Transform.escapeTags(record.getLoggerName()));
buf.append("\" timestamp=\"");
buf.append(record.getMillis());
buf.append("\" level=\"");
buf.append(Transform.escapeTags(record.getLevel().getName()));
buf.append("\" thread=\"");
buf.append(String.valueOf(record.getThreadID()));
buf.append("\">\r\n");
buf.append("<log4j:message><![CDATA[");
// Append the rendered message. Also make sure to escape any
// existing CDATA sections.
Transform.appendEscapingCDATA(buf, record.getMessage());
buf.append("]]></log4j:message>\r\n");
if (record.getThrown() != null) {
String[] s = Transform.getThrowableStrRep(record.getThrown());
if (s != null) {
buf.append("<log4j:throwable><![CDATA[");
for (String value : s) {
Transform.appendEscapingCDATA(buf, value);
buf.append("\r\n");
}
buf.append("]]></log4j:throwable>\r\n");
}
}
if (locationInfo) {
buf.append("<log4j:locationInfo class=\"");
buf.append(Transform.escapeTags(record.getSourceClassName()));
buf.append("\" method=\"");
buf.append(Transform.escapeTags(record.getSourceMethodName()));
buf.append("\" file=\"?\" line=\"?\"/>\r\n");
}
if (properties) {
if (MDC.getMDCAdapter() instanceof BasicMDCAdapter) {
BasicMDCAdapter mdcAdapter = (BasicMDCAdapter) MDC.getMDCAdapter();
Set keySet = mdcAdapter.getKeys();
if (keySet != null && keySet.size() > 0) {
buf.append("<log4j:properties>\r\n");
Object[] keys = keySet.toArray();
Arrays.sort(keys);
for (Object key1 : keys) {
String key = key1.toString();
Object val = mdcAdapter.get(key);
if (val != null) {
buf.append("<log4j:data name=\"");
buf.append(Transform.escapeTags(key));
buf.append("\" value=\"");
buf.append(Transform.escapeTags(String.valueOf(val)));
buf.append("\"/>\r\n");
}
}
buf.append("</log4j:properties>\r\n");
}
}
}
buf.append("</log4j:event>\r\n\r\n");
return buf.toString();
}
