public Map doFindWriters()

in johnzon-mapper/src/main/java/org/apache/johnzon/mapper/access/FieldAndMethodAccessMode.java [178:238]
57 lines of code
21 McCabe index (conditional complexity)

    public Map<String, Writer> doFindWriters(final Class<?> clazz) {
        final Map<String, Writer> fieldWriters = this.fields.findWriters(clazz);
        final Map<String, Writer> methodWriters = this.methods.findWriters(clazz);

        final Map<String, Writer> writers = new HashMap<String, Writer>();

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

        for (final Map.Entry<String, Writer> entry : methodWriters.entrySet()) {
            final Method mr = MethodAccessMode.MethodDecoratedType.class.cast(entry.getValue()).getMethod();
            final String fieldName = 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 Writer w : fieldWriters.values()) {
                    if (FieldAccessMode.FieldDecoratedType.class.cast(w).getField().equals(f)) {
                        if (w.getAnnotation(JohnzonProperty.class) != null) {
                            skip = true;
                        }
                        break;
                    }
                }
            }
            if (skip) {
                continue;
            }

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