Map harvestBean()

in collector/jmx/src/main/java/org/apache/karaf/decanter/collector/jmx/BeanHarvester.java [51:117]
65 lines of code
22 McCabe index (conditional complexity)

    Map<String, Object> harvestBean(ObjectName name) throws Exception {
        LOGGER.debug("Harvesting {}", name);
        MBeanAttributeInfo[] attributes = connection.getMBeanInfo(name).getAttributes();
        Map<String, Object> data = new HashMap<>();
        data.put("type", type);
        data.put("ObjectName", name.toString());

        for (MBeanAttributeInfo attribute : attributes) {
            try {
                Object attributeObject = connection.getAttribute(name, attribute.getName());
                if (attributeObject instanceof String) {
                    data.put(attribute.getName(), (String) attributeObject);
                } else if (attributeObject instanceof ObjectName) {
                    data.put(attribute.getName(), ((ObjectName) attributeObject).toString());
                } else if (attributeObject instanceof CompositeDataSupport || attributeObject instanceof CompositeData) {
                    CompositeData cds = (CompositeData) attributeObject;
                    CompositeType compositeType = cds.getCompositeType();
                    Set<String> keySet = compositeType.keySet();
                    Map<String, Object> composite = new HashMap<String, Object>();
                    for (String key : keySet) {
                        Object cdsObject = cds.get(key);
                        composite.put(key, cdsObject);
                    }
                    data.put(attribute.getName(), composite);
                } else if (attributeObject instanceof Long
                        || attributeObject instanceof Integer
                        || attributeObject instanceof Boolean
                        || attributeObject instanceof Float
                        || attributeObject instanceof Double) {
                    data.put(attribute.getName(), attributeObject);
                } else if (attributeObject instanceof TabularDataSupport || attributeObject instanceof TabularData) {
                    TabularData tds = (TabularData) attributeObject;
                    TabularType tabularType = tds.getTabularType();
                    CompositeType compositeType = tabularType.getRowType();
                    Collection<?> values = tds.values();
                    ArrayList<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
                    for (Object value : values) {
                        CompositeDataSupport cds = (CompositeDataSupport) value;
                        Set<String> keySet = compositeType.keySet();
                        Map<String, Object> composite = new HashMap<String, Object>();
                        list.add(composite);
                        for (String key : keySet) {
                            Object cdsObject = cds.get(key);
                            composite.put(key, cdsObject);
                        }
                    }
                    data.put(attribute.getName(), list);
                } else if (attributeObject instanceof Object[]) {
                    data.put(attribute.getName(), (Object[]) attributeObject);
                } else if (attributeObject instanceof long[]) {
                    data.put(attribute.getName(), (long[]) attributeObject);
                } else if (attributeObject instanceof String[]) {
                    data.put(attribute.getName(), (String[]) attributeObject);
                } else if (attributeObject instanceof int[]) {
                    data.put(attribute.getName(), (int[]) attributeObject);
                } else {
                    data.put(attribute.getName(), attributeObject.toString());
                }
            } catch (SecurityException se) {
                LOGGER.error("SecurityException: ", se);
            } catch (Exception e) {
                LOGGER.debug("Could not read attribute {} {}", name.toString(), attribute.getName());
            }

        }
        return data;
    }