public Map doFindReaders()

in johnzon-mapper/src/main/java/org/apache/johnzon/mapper/access/FieldAndMethodAccessMode.java [71:144]
69 lines of code
31 McCabe index (conditional complexity)

    public Map<String, Reader> doFindReaders(final Class<?> clazz) {
        final Map<String, Reader> methodReaders = this.methods.findReaders(clazz);
        final boolean record = isRecord(clazz);
        if (record) {
            return methodReaders;
        }

        final Map<String, Reader> fieldsReaders = this.fields.findReaders(clazz);
        final Map<String, Reader> readers = new HashMap<>();

        for (final Map.Entry<String, Reader> entry : fieldsReaders.entrySet()) {
            final String key = entry.getKey();
            Method m = record ?
                    getMethod(key, clazz) :
                    getMethod("get" + Character.toUpperCase(key.charAt(0)) + (key.length() > 1 ? key.substring(1) : ""), clazz);
            if (m == null && !record && (boolean.class == entry.getValue().getType() || Boolean.class == entry.getValue().getType())) {
                m = getMethod("is" + Character.toUpperCase(key.charAt(0)) + (key.length() > 1 ? key.substring(1) : ""), clazz);
            }
            boolean skip = false;
            if (m != null && (ignoreVisibilityFilter || Modifier.isPublic(m.getModifiers()))) {
                for (final Reader w : methodReaders.values()) {
                    if (MethodAccessMode.MethodDecoratedType.class.cast(w).getMethod().equals(m)) {
                        if (w.getAnnotation(JohnzonProperty.class) != null || w.getAnnotation(JohnzonIgnore.class) != null) {
                            skip = true;
                        }
                        break;
                    }
                }
            } else if (!ignoreVisibilityFilter && m != null) {
                continue;
            }
            if (skip) {
                continue;
            }
            readers.put(entry.getKey(), entry.getValue());
        }

        for (final Map.Entry<String, Reader> entry : methodReaders.entrySet()) {
            final Method mr = MethodAccessMode.MethodDecoratedType.class.cast(entry.getValue()).getMethod();
            final String fieldName = record ?
                    mr.getName() :
                    BeanUtil.decapitalize(mr.getName().startsWith("is") ?
                            mr.getName().substring(2) : mr.getName().substring(3));
            final Field f = getField(fieldName, clazz);
            boolean skip = false;
            if (f != null) {
                for (final Reader w : fieldsReaders.values()) {
                    if (FieldAccessMode.FieldDecoratedType.class.cast(w).getField().equals(f)) {
                        if (w.getAnnotation(JohnzonProperty.class) != null || w.getAnnotation(JohnzonIgnore.class) != null) {
                            skip = true;
                        }
                        break;
                    }
                }
            }
            if (skip) {
                continue;
            }

            final Reader existing = readers.get(entry.getKey());
            if (existing == null) {
                if (f != null) { // useful to hold the Field and transient state for example, just as fallback
                    readers.put(entry.getKey(), new CompositeReader(
                            entry.getValue(), new FieldAccessMode.FieldReader(f, f.getType())));
                } else {
                    readers.put(entry.getKey(), entry.getValue());
                }
            } else {
                readers.put(entry.getKey(), new CompositeReader(entry.getValue(), existing));
            }
        }

        return readers;
    }