com.zuunr.forms.Form Maven / Gradle / Ivy

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/*
 * Copyright 2018 Zuunr AB
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.zuunr.forms;

import com.zuunr.json.JsonArray;
import com.zuunr.json.JsonObject;
import com.zuunr.json.JsonValue;
import com.zuunr.json.TypedObject;

public class Form extends TypedObject {

    public static final Form EMPTY = JsonObject.EMPTY
            .put("value", JsonArray.EMPTY)
            .jsonValue()
            .as(Form.class);

    private JsonObject formFieldsByName;
    private JsonObject requiredFormFields;

    private Form(JsonObject jsonObject) {
        super(jsonObject);
    }

    private static final JsonObject fromSource(JsonValue source) {
        JsonObject sourceJsonObject = source.getValue(JsonObject.class);
        JsonObject.JsonObjectBuilder builder = sourceJsonObject.builder();
        String href = source.get("href", JsonValue.NULL).as(String.class);
        if (href != null) {
            builder.put("href", href);
        }
        builder.put("exclusive", sourceJsonObject.get("exclusive", JsonValue.TRUE).getValue(Boolean.class));
        builder.put("value", sourceJsonObject.get("value", JsonArray.EMPTY).as(FormFields.class));
        return builder.build();
    }

    private Form(JsonValue jsonValue) {
        super(fromSource(jsonValue));
    }

    public FormBuilder builder() {
        return new FormBuilder(jsonObject);
    }

    public String href() {
        return jsonObject.get("href", JsonValue.NULL).as(String.class);
    }

    public FormFields formFields() {
        return jsonObject.get("value", JsonValue.NULL).as(FormFields.class);
    }

    public JsonArray value() {
        return jsonObject.get("value", JsonValue.NULL).getValue(JsonArray.class);
    }

    public Boolean required() {
        return jsonObject.get("required", JsonValue.FALSE).getValue(Boolean.class);
    }

    public Boolean mustBeNull() {
        return jsonObject.get("mustBeNull", JsonValue.FALSE).getValue(Boolean.class);
    }

    public Boolean nullable() {
        return jsonObject.get("nullable", JsonValue.FALSE).getValue(Boolean.class);
    }


    public Boolean exclusive() {
        return jsonObject.get("exclusive", JsonValue.TRUE).getValue(Boolean.class);
    }

    public FormField formField(String fieldName) {
        return formFieldsByName().get(fieldName, JsonValue.NULL).as(FormField.class);
    }


    public JsonObject formFieldsByName() {
        if (formFieldsByName == null) {
            JsonObject.JsonObjectBuilder formFieldsCacheBuilder = JsonObject.EMPTY.builder();
            for (FormField formField : formFields().asList()) {
                formFieldsCacheBuilder = formFieldsCacheBuilder.put(formField.name(), formField);
            }
            formFieldsByName = formFieldsCacheBuilder.build();
        }
        return formFieldsByName;
    }

    public JsonObject requiredFormFields() {
        if (requiredFormFields == null) {
            JsonObject.JsonObjectBuilder formFieldsCacheBuilder = JsonObject.EMPTY.builder();
            for (FormField formField : formFields().asList()) {
                if (formField.required()) {
                    formFieldsCacheBuilder = formFieldsCacheBuilder.put(formField.name(), formField);
                }
            }
            requiredFormFields = formFieldsCacheBuilder.build();
        }
        return requiredFormFields;
    }

    @Override
    protected Form createNew(JsonObject jsonObject) {
        return new Form(jsonObject);
    }


    @Override
    public String toString() {
        return jsonObject.toString();
    }


    public static class FormBuilder {

        JsonObject.JsonObjectBuilder jsonObjectBuilder;

        private FormBuilder(JsonObject jsonObject) {
            jsonObjectBuilder = jsonObject.builder();
        }

        public FormBuilder href(String href) {
            jsonObjectBuilder.put("href", href);
            return this;
        }

        public FormBuilder value(FormFields formFields) {
            jsonObjectBuilder.put("value", formFields);
            return this;
        }

        public FormBuilder value(FormFields.FormFieldsBuilder formFieldsBuilder) {
            jsonObjectBuilder.put("value", formFieldsBuilder.build());
            return this;
        }

        public FormBuilder exclusive(Boolean exclusive) {
            jsonObjectBuilder.put("exclusive", exclusive);
            return this;
        }

        public Form build() {
            return new Form(jsonObjectBuilder.build().jsonValue());
        }
    }
}