void execute()

in oak-run/src/main/java/org/apache/jackrabbit/oak/run/JsonIndexCommand.java [188:271]
84 lines of code
29 McCabe index (conditional complexity)

    void execute(String command) throws RepositoryException {
        JsopTokenizer t = new JsopTokenizer(command);
        t.read('{');
        JsonObject json = JsonObject.create(t);
        Map<String, String> properties = json.getProperties();
        if (properties.containsKey("if")) {
            Object value = getValueOrVariable(properties.get("if"));
            Object equals = getValueOrVariable(properties.get("="));
            if (value == null) {
                if (equals != null) {
                    return;
                }
            } else if (!value.equals(equals)) {
                return;
            }
        }
        for (Entry<String, String> e : properties.entrySet()) {
            String k = e.getKey();
            Object value = getValueOrVariable(e.getValue());
            if ("addNode".equals(k)) {
                String nodePath = value.toString();
                String parent = PathUtils.getParentPath(nodePath);
                if (session.nodeExists(parent)) {
                    Node p = session.getNode(parent);
                    String nodeName = PathUtils.getName(nodePath);
                    if (!p.hasNode(nodeName)) {
                        JsonObject node = json.getChildren().get("node");
                        addNode(p, nodeName, node);
                    }
                }
            } else if ("removeNode".equals(k)) {
                String path = value.toString();
                if (session.nodeExists(path)) {
                    session.getNode(path).remove();
                }
            } else if ("setProperty".equals(k)) {
                String itemPath = value.toString();
                String nodePath = PathUtils.getParentPath(itemPath);
                if (session.nodeExists(nodePath)) {
                    String propertyName = PathUtils.getName(itemPath);
                    Object propertyValue = getValueOrVariable(properties
                            .get("value"));
                    setProperty(session.getNode(nodePath), propertyName,
                            propertyValue);
                }
            } else if ("session".equals(k)) {
                if ("save".equals(value)) {
                    session.save();
                }
            } else if ("xpath".equals(k) || "sql".equals(k)) {
                String language = "xpath".equals(k) ? k : Query.JCR_SQL2;
                String columnName = "xpath".equals(k) ? "jcr:path" : null;
                boolean quiet = properties.containsKey("quiet");
                int depth = properties.containsKey("depth") ? Integer
                        .parseInt(properties.get("depth")) : 0;
                runQuery(value.toString(), language, columnName, quiet, depth);
            } else if ("print".equals(k)) {
                output.println(value);
            } else if ("for".equals(k)) {
                String name = JsopTokenizer.decodeQuoted(properties.get(k));
                Object old = data.get(name);
                String[] commands = (String[]) getValueOrVariable(properties
                        .get("do"));
                for (String x : (String[]) value) {
                    data.put(name, x);
                    for (String c : commands) {
                        execute(c);
                    }
                }
                data.put(name, old);
            } else if ("loop".equals(k)) {
                while (true) {
                    for (String c : (String[]) value) {
                        execute(c);
                        if (data.remove("$break") != null) {
                            return;
                        }
                    }
                }
            } else if (k.startsWith("$")) {
                setVariable(properties, k, value);
            }
        }
    }