public void execute()

in src/main/org/apache/tools/ant/taskdefs/cvslib/CvsVersion.java [117:174]
58 lines of code
27 McCabe index (conditional complexity)

    public void execute() {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        this.setOutputStream(bos);
        ByteArrayOutputStream berr = new ByteArrayOutputStream();
        this.setErrorStream(berr);
        setCommand("version");
        super.execute();
        String output = bos.toString();
        log("Received version response \"" + output + "\"",
            Project.MSG_DEBUG);
        StringTokenizer st = new StringTokenizer(output);
        boolean client = false;
        boolean server = false;
        String cvs = null;
        String cachedVersion = null;
        boolean haveReadAhead = false;
        while (haveReadAhead || st.hasMoreTokens()) {
            String currentToken = haveReadAhead ? cachedVersion : st.nextToken();
            haveReadAhead = false;
            if ("Client:".equals(currentToken)) {
                client = true;
            } else if ("Server:".equals(currentToken)) {
                server = true;
            } else if (currentToken.startsWith("(CVS")
                       && currentToken.endsWith(")")) {
                cvs = currentToken.length() == 5 ? "" : " " + currentToken;
            }
            if (!client && !server && cvs != null
                && cachedVersion == null && st.hasMoreTokens()) {
                cachedVersion = st.nextToken();
                haveReadAhead = true;
            } else if (client && cvs != null) {
                if (st.hasMoreTokens()) {
                    clientVersion = st.nextToken() + cvs;
                }
                client = false;
                cvs = null;
            } else if (server && cvs != null) {
                if (st.hasMoreTokens()) {
                    serverVersion = st.nextToken() + cvs;
                }
                server = false;
                cvs = null;
            } else if ("(client/server)".equals(currentToken)
                       && cvs != null && cachedVersion != null
                       && !client && !server) {
                client = server = true;
                clientVersion = serverVersion = cachedVersion + cvs;
                cachedVersion = cvs = null;
            }
        }
        if (clientVersionProperty != null) {
            getProject().setNewProperty(clientVersionProperty, clientVersion);
        }
        if (serverVersionProperty != null) {
            getProject().setNewProperty(serverVersionProperty, serverVersion);
        }
    }