private String getColor(PaxLoggingEvent event, boolean noColor) {
String color = null;
if (!noColor
&& event != null
&& event.getLevel() != null
&& event.getLevel().toString() != null) {
String lvl = event.getLevel().toString().toLowerCase();
if (FATAL.equals(lvl)) {
color = fatalColor;
} else if (ERROR.equals(lvl)) {
color = errorColor;
} else if (WARN.equals(lvl)) {
color = warnColor;
} else if (INFO.equals(lvl)) {
color = infoColor;
} else if (DEBUG.equals(lvl)) {
color = debugColor;
} else if (TRACE.equals(lvl)) {
color = traceColor;
}
if (color != null && color.length() == 0) {
color = null;
}
}
return color;
}
/* (non-Javadoc)
* @see org.apache.karaf.log.core.internal.LogEventFormatter#format(org.ops4j.pax.logging.spi.PaxLoggingEvent, java.lang.String, boolean)
*/
@Override
public String format(PaxLoggingEvent event, String overridenPattern, boolean noColor) {
final PatternConverter cnv =
new PatternParser(overridenPattern != null ? overridenPattern : pattern).parse();
String color = getColor(event, noColor);
StringBuffer sb = new StringBuffer();
sb.setLength(0);
if (color != null) {
sb.append(FIRST_ESC_CHAR);
sb.append(SECOND_ESC_CHAR);
sb.append(color);
sb.append(COMMAND_CHAR);
}
for (PatternConverter pc = cnv; pc != null; pc = pc.next) {
pc.format(sb, event);
}
if (event.getThrowableStrRep() != null) {
for (String r : event.getThrowableStrRep()) {
sb.append(r).append('\n');
}
}
if (color != null) {
sb.append(FIRST_ESC_CHAR);
sb.append(SECOND_ESC_CHAR);
sb.append("0");
sb.append(COMMAND_CHAR);
}
return sb.toString();
}
private void testLog4j(CustomAppender customAppender) {
// Ensure there's no events
List events = customAppender.getEvents();
events.clear();
Class clazz = getClass();
Logger log4j = Logger.getLogger(clazz);
log4j.debug(EXPECTED_MESSAGE);
assertEquals(1, events.size());
PaxLoggingEvent event = (PaxLoggingEvent) events.get(0);
assertEquals(Level.DEBUG.getSyslogEquivalent(), event.getLevel().getSyslogEquivalent());
assertEquals(EXPECTED_MESSAGE, event.getMessage());
events.clear();
}
protected void sendExchange(PaxLoggingEvent paxLoggingEvent) {
MDC.put(PaxLoggingConsumer.class.getName(), endpoint.getName());
if (paxLoggingEvent.getProperties().containsKey(PaxLoggingConsumer.class.getName())) {
return;
}
Exchange exchange = endpoint.createExchange();
// TODO: populate exchange headers
exchange.getIn().setBody(paxLoggingEvent);
LOG.trace("PaxLogging {} is firing", endpoint.getName());
try {
getProcessor().process(exchange);
// log exception if an exception occurred and was not handled
if (exchange.getException() != null) {
getExceptionHandler()
.handleException("Error processing exchange", exchange, exchange.getException());
}
} catch (Exception e) {
getExceptionHandler()
.handleException("Error processing exchange", exchange, exchange.getException());
}
}
public void doAppend(final PaxLoggingEvent paxLoggingEvent) {
try {
// Only store TRACE events which have a trace-id.
if ("TRACE".equals(paxLoggingEvent.getLevel().toString().toUpperCase())
&& !paxLoggingEvent.getProperties().containsKey("trace-id")) {
return;
}
StringBuilder writer = new StringBuilder();
writer.append("{ \"host\" : ");
quote(name, writer);
writer.append(",\n \"timestamp\" : ");
quote(formatDate(paxLoggingEvent.getTimeStamp()), writer);
writer.append(",\n \"level\" : ");
quote(paxLoggingEvent.getLevel().toString(), writer);
writer.append(",\n \"logger\" : ");
quote(paxLoggingEvent.getLoggerName(), writer);
writer.append(",\n \"thread\" : ");
quote(paxLoggingEvent.getThreadName(), writer);
writer.append(",\n \"message\" : ");
quote(paxLoggingEvent.getMessage(), writer);
String[] throwable = paxLoggingEvent.getThrowableStrRep();
if (throwable != null) {
throwable = addMavenCoord(throwable);
writer.append(",\n \"exception\" : [");
for (int i = 0; i < throwable.length; i++) {
if (i != 0) writer.append(", ");
quote(throwable[i], writer);
}
writer.append("]");
}
writer.append(",\n \"properties\" : { ");
boolean first = true;
Map<String, String> properties = new HashMap<String, String>();
Set<Map.Entry> set = paxLoggingEvent.getProperties().entrySet();
for (Map.Entry entry : set) {
Object key = entry.getKey();
Object value = entry.getValue();
if (key != null && value != null) {
properties.put(key.toString(), value.toString());
}
}
addMavenCoord(properties);
for (Object key : properties.keySet()) {
if (first) {
first = false;
} else {
writer.append(", ");
}
quote(key.toString(), writer);
writer.append(": ");
quote(properties.get(key).toString(), writer);
}
writer.append(" }");
writer.append("\n}");
storage.store(type, paxLoggingEvent.getTimeStamp(), writer.toString());
} catch (Exception e) {
LOGGER.warn("Error appending log to storage", e);
}
}