private void doParseSentence()

in analysis/gc-log/src/main/java/org/eclipse/jifa/gclog/parser/AbstractPreUnifiedGCLogParser.java [237:293]
53 lines of code
21 McCabe index (conditional complexity)

    private void doParseSentence(List<GCLogToken> line) {
        try {
            GCEvent event = new GCEvent();
            String title = null;
            String referenceGC = null;
            String datestamp = null;
            for (GCLogToken token : line) {
                if (token.getType() == TOKEN_LINE_FULL_SENTENCE || token.getType() == TOKEN_EMBEDDED_SENTENCE) {
                    doParseFullSentence(token.getValue());
                    return;
                } else if (token.getType() == TOKEN_DATESTAMP) {
                    datestamp = token.getValue();
                } else if (token.getType() == TOKEN_UPTIME) {
                    event.setStartTime(MS2S * Double.parseDouble(token.getValue()));
                } else if (token.getType() == TOKEN_GCID) {
                    event.setGcid(Integer.parseInt(token.getValue()));
                } else if (token.getType() == TOKEN_GC_TRACETIME_TITLE) {
                    // title is complex, it may include event name, gc cause, generation or something else.
                    // let subclass parse it
                    title = token.getValue();
                } else if (token.getType() == TOKEN_SAFEPOINT) {
                    if (doBeforeParsingGCTraceTime(event, datestamp)) {
                        doParseSafePoint(event, token.getValue());
                    }
                    return;
                } else if (token.getType() == TOKEN_MEMORY_CHANGE) {
                    long[] memories = GCLogUtil.parseMemorySizeFromTo(token.getValue(), (int) KB2MB);
                    GCMemoryItem item = new GCMemoryItem(MemoryArea.HEAP, memories);
                    event.setMemoryItem(item);
                } else if (token.getType() == TOKEN_REFERENCE_GC) {
                    referenceGC = token.getValue();
                } else if (token.getType() == TOKEN_DURATION) {
                    event.setDuration(MS2S * Double.parseDouble(token.getValue()));
                } else if (token.getType() == TOKEN_METASPACE) {
                    long[] memories = GCLogUtil.parseMemorySizeFromTo(token.getValue(), (int) KB2MB);
                    GCMemoryItem item = new GCMemoryItem(MemoryArea.METASPACE, memories);
                    event.setMemoryItem(item);
                } else if (token.getType() == TOKEN_RIGHT_BRACKET) {
                    // do nothing
                } else {
                    throw new ShouldNotReachHereException();
                }
            }
            // jni weak does not print reference count
            if (referenceGC != null || "JNI Weak Reference".equals(title)) {
                if (doBeforeParsingGCTraceTime(event, datestamp)) {
                    doParseReferenceGC(event, title, referenceGC);
                }
            } else if (title != null) {
                if (doBeforeParsingGCTraceTime(event, datestamp)) {
                    doParseGCTraceTime(event, title);
                }
            }
        } catch (Exception e) {
            log.debug(e.getMessage());
        }
    }