Examples with SlingContextUtil org.apache.sling.commons.log.logback.internal.util.SlingContextUtil used on opensource projects

Example 1 with SlingContextUtil

use of org.apache.sling.commons.log.logback.internal.util.SlingContextUtil in project sling by apache.

the class LogWriter method createAppender.

public Appender<ILoggingEvent> createAppender(final Context context, final Encoder<ILoggingEvent> encoder) {
    SlingContextUtil ctxUtil = new SlingContextUtil(context, this);
    OutputStreamAppender<ILoggingEvent> appender;
    if (FILE_NAME_CONSOLE.equals(fileName)) {
        appender = new ConsoleAppender<ILoggingEvent>();
        appender.setName(FILE_NAME_CONSOLE);
    } else {
        ctxUtil.addInfo("Configuring appender " + getFileName());
        SlingRollingFileAppender<ILoggingEvent> rollingAppender = new SlingRollingFileAppender<ILoggingEvent>();
        rollingAppender.setAppend(true);
        rollingAppender.setFile(getFileName());
        Matcher sizeMatcher = SIZE_SPEC.matcher(getLogRotation());
        if (sizeMatcher.matches()) {
            // group 1 is the base size and is an integer number
            final long baseSize = Long.parseLong(sizeMatcher.group(1));
            // this will take the final size value
            final long maxSize;
            // group 2 is optional and is the size spec. If not null it is
            // at least one character long and the first character is enough
            // for use to know (the second is of no use here)
            final String factorString = sizeMatcher.group(2);
            if (factorString == null) {
                // no factor define, hence no multiplication
                maxSize = baseSize;
            } else {
                switch(factorString.charAt(0)) {
                    case 'k':
                    case 'K':
                        maxSize = baseSize * FACTOR_KB;
                        break;
                    case 'm':
                    case 'M':
                        maxSize = baseSize * FACTOR_MB;
                        break;
                    case 'g':
                    case 'G':
                        maxSize = baseSize * FACTOR_GB;
                        break;
                    default:
                        // we don't really expect this according to the
                        // pattern
                        maxSize = baseSize;
                }
            }
            SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<ILoggingEvent>();
            triggeringPolicy.setMaxFileSize(String.valueOf(maxSize));
            triggeringPolicy.setContext(context);
            triggeringPolicy.start();
            rollingAppender.setTriggeringPolicy(triggeringPolicy);
            FixedWindowRollingPolicy pol = new FixedWindowRollingPolicy();
            pol.setMinIndex(1);
            pol.setMaxIndex(getLogNumber());
            pol.setFileNamePattern(getFileName() + "%i");
            pol.setContext(context);
            pol.setParent(rollingAppender);
            pol.start();
            rollingAppender.setRollingPolicy(pol);
        } else {
            TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
            String fileNamePattern = createFileNamePattern(getFileName(), getLogRotation());
            policy.setFileNamePattern(fileNamePattern);
            policy.setMaxHistory(getLogNumber());
            policy.setContext(context);
            policy.setParent(rollingAppender);
            policy.start();
            rollingAppender.setTriggeringPolicy(policy);
            ctxUtil.addInfo("Configured TimeBasedRollingPolicy with pattern " + fileNamePattern);
        }
        rollingAppender.setLogWriter(this);
        rollingAppender.setName(getAppenderName());
        appender = rollingAppender;
    }
    if (bufferedLogging && encoder instanceof LayoutWrappingEncoder) {
        ((LayoutWrappingEncoder) encoder).setImmediateFlush(false);
        ctxUtil.addInfo("Setting immediateFlush to false");
    } else {
        ctxUtil.addInfo("immediateFlush property not modified. Defaults to true");
    }
    appender.setContext(context);
    appender.setEncoder(encoder);
    appender.start();
    ctxUtil.addInfo("Completed configuring appender with name " + getFileName());
    return appender;
}