🎨 统一优化gson adapter类，抽取常量，优化重复代码
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Binary Wang
@@ -1,11 +1,3 @@
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/*
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* KINGSTAR MEDIA SOLUTIONS Co.,LTD. Copyright c 2005-2013. All rights reserved.
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*
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* This source code is the property of KINGSTAR MEDIA SOLUTIONS LTD. It is intended
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* only for the use of KINGSTAR MEDIA application development. Reengineering, reproduction
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* arose from modification of the original source, or other redistribution of this source
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* is not permitted without written permission of the KINGSTAR MEDIA SOLUTIONS LTD.
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*/
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package me.chanjar.weixin.common.util.json;
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import com.google.gson.*;
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@@ -14,6 +6,7 @@ import me.chanjar.weixin.common.bean.menu.WxMenuButton;
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import me.chanjar.weixin.common.bean.menu.WxMenuRule;
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import java.lang.reflect.Type;
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import java.util.Optional;
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/**
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@@ -21,96 +14,111 @@ import java.lang.reflect.Type;
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*/
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public class WxMenuGsonAdapter implements JsonSerializer<WxMenu>, JsonDeserializer<WxMenu> {
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// JSON字段常量定义
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private static final String FIELD_BUTTON = "button";
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private static final String FIELD_MATCH_RULE = "matchrule";
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private static final String FIELD_SUB_BUTTON = "sub_button";
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private static final String FIELD_MENU = "menu";
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// 菜单按钮字段常量
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private static final String FIELD_TYPE = "type";
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private static final String FIELD_NAME = "name";
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private static final String FIELD_KEY = "key";
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private static final String FIELD_URL = "url";
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private static final String FIELD_MEDIA_ID = "media_id";
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private static final String FIELD_ARTICLE_ID = "article_id";
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private static final String FIELD_APP_ID = "appid";
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private static final String FIELD_PAGE_PATH = "pagepath";
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// 菜单规则字段常量
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private static final String FIELD_TAG_ID = "tag_id";
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private static final String FIELD_SEX = "sex";
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private static final String FIELD_COUNTRY = "country";
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private static final String FIELD_PROVINCE = "province";
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private static final String FIELD_CITY = "city";
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private static final String FIELD_CLIENT_PLATFORM_TYPE = "client_platform_type";
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private static final String FIELD_LANGUAGE = "language";
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@Override
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public JsonElement serialize(WxMenu menu, Type typeOfSrc, JsonSerializationContext context) {
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JsonObject json = new JsonObject();
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JsonArray buttonArray = new JsonArray();
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for (WxMenuButton button : menu.getButtons()) {
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JsonObject buttonJson = convertToJson(button);
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buttonArray.add(buttonJson);
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}
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json.add("button", buttonArray);
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Optional.ofNullable(menu.getButtons())
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.ifPresent(buttons -> buttons.stream()
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.map(this::convertToJson)
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.forEach(buttonArray::add));
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json.add(FIELD_BUTTON, buttonArray);
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if (menu.getMatchRule() != null) {
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json.add("matchrule", convertToJson(menu.getMatchRule()));
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json.add(FIELD_MATCH_RULE, convertToJson(menu.getMatchRule()));
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}
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return json;
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}
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protected JsonObject convertToJson(WxMenuButton button) {
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JsonObject buttonJson = new JsonObject();
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buttonJson.addProperty("type", button.getType());
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buttonJson.addProperty("name", button.getName());
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buttonJson.addProperty("key", button.getKey());
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buttonJson.addProperty("url", button.getUrl());
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buttonJson.addProperty("media_id", button.getMediaId());
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buttonJson.addProperty("article_id", button.getArticleId());
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buttonJson.addProperty("appid", button.getAppId());
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buttonJson.addProperty("pagepath", button.getPagePath());
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addPropertyIfNotNull(buttonJson, FIELD_TYPE, button.getType());
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addPropertyIfNotNull(buttonJson, FIELD_NAME, button.getName());
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addPropertyIfNotNull(buttonJson, FIELD_KEY, button.getKey());
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addPropertyIfNotNull(buttonJson, FIELD_URL, button.getUrl());
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addPropertyIfNotNull(buttonJson, FIELD_MEDIA_ID, button.getMediaId());
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addPropertyIfNotNull(buttonJson, FIELD_ARTICLE_ID, button.getArticleId());
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addPropertyIfNotNull(buttonJson, FIELD_APP_ID, button.getAppId());
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addPropertyIfNotNull(buttonJson, FIELD_PAGE_PATH, button.getPagePath());
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if (button.getSubButtons() != null && !button.getSubButtons().isEmpty()) {
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JsonArray buttonArray = new JsonArray();
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for (WxMenuButton sub_button : button.getSubButtons()) {
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buttonArray.add(convertToJson(sub_button));
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}
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buttonJson.add("sub_button", buttonArray);
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button.getSubButtons().stream()
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.map(this::convertToJson)
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.forEach(buttonArray::add);
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buttonJson.add(FIELD_SUB_BUTTON, buttonArray);
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}
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return buttonJson;
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}
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protected JsonObject convertToJson(WxMenuRule menuRule) {
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JsonObject matchRule = new JsonObject();
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matchRule.addProperty("tag_id", menuRule.getTagId());
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matchRule.addProperty("sex", menuRule.getSex());
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matchRule.addProperty("country", menuRule.getCountry());
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matchRule.addProperty("province", menuRule.getProvince());
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matchRule.addProperty("city", menuRule.getCity());
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matchRule.addProperty("client_platform_type", menuRule.getClientPlatformType());
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matchRule.addProperty("language", menuRule.getLanguage());
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addPropertyIfNotNull(matchRule, FIELD_TAG_ID, menuRule.getTagId());
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addPropertyIfNotNull(matchRule, FIELD_SEX, menuRule.getSex());
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addPropertyIfNotNull(matchRule, FIELD_COUNTRY, menuRule.getCountry());
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addPropertyIfNotNull(matchRule, FIELD_PROVINCE, menuRule.getProvince());
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addPropertyIfNotNull(matchRule, FIELD_CITY, menuRule.getCity());
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addPropertyIfNotNull(matchRule, FIELD_CLIENT_PLATFORM_TYPE, menuRule.getClientPlatformType());
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addPropertyIfNotNull(matchRule, FIELD_LANGUAGE, menuRule.getLanguage());
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return matchRule;
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}
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@Deprecated
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private WxMenuRule convertToRule(JsonObject json) {
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WxMenuRule menuRule = new WxMenuRule();
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//变态的微信接口，这里居然反人类的使用和序列化时不一样的名字
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//menuRule.setTagId(GsonHelper.getString(json,"tag_id"));
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menuRule.setTagId(GsonHelper.getString(json, "group_id"));
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menuRule.setSex(GsonHelper.getString(json, "sex"));
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menuRule.setCountry(GsonHelper.getString(json, "country"));
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menuRule.setProvince(GsonHelper.getString(json, "province"));
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menuRule.setCity(GsonHelper.getString(json, "city"));
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menuRule.setClientPlatformType(GsonHelper.getString(json, "client_platform_type"));
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menuRule.setLanguage(GsonHelper.getString(json, "language"));
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return menuRule;
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private void addPropertyIfNotNull(JsonObject obj, String key, String value) {
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if (value != null) {
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obj.addProperty(key, value);
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}
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}
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@Override
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public WxMenu deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
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/*
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* 操蛋的微信
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* 创建菜单时是 { button : ... }
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* 查询菜单时是 { menu : { button : ... } }
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* 现在企业号升级为企业微信后，没有此问题，因此需要单独处理
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*/
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JsonArray buttonsJson = json.getAsJsonObject().get("menu").getAsJsonObject().get("button").getAsJsonArray();
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return this.buildMenuFromJson(buttonsJson);
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JsonObject root = json.getAsJsonObject();
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JsonArray buttonsJson = null;
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if (root.has(FIELD_MENU)) {
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JsonObject menuObj = root.getAsJsonObject(FIELD_MENU);
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buttonsJson = menuObj.getAsJsonArray(FIELD_BUTTON);
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} else if (root.has(FIELD_BUTTON)) {
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buttonsJson = root.getAsJsonArray(FIELD_BUTTON);
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}
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if (buttonsJson == null) {
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throw new JsonParseException("No button array found in menu JSON");
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}
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return buildMenuFromJson(buttonsJson);
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}
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protected WxMenu buildMenuFromJson(JsonArray buttonsJson) {
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WxMenu menu = new WxMenu();
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for (int i = 0; i < buttonsJson.size(); i++) {
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JsonObject buttonJson = buttonsJson.get(i).getAsJsonObject();
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for (JsonElement btnElem : buttonsJson) {
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JsonObject buttonJson = btnElem.getAsJsonObject();
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WxMenuButton button = convertFromJson(buttonJson);
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menu.getButtons().add(button);
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if (buttonJson.get("sub_button") == null || buttonJson.get("sub_button").isJsonNull()) {
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continue;
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}
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JsonArray sub_buttonsJson = buttonJson.get("sub_button").getAsJsonArray();
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for (int j = 0; j < sub_buttonsJson.size(); j++) {
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JsonObject sub_buttonJson = sub_buttonsJson.get(j).getAsJsonObject();
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button.getSubButtons().add(convertFromJson(sub_buttonJson));
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if (buttonJson.has(FIELD_SUB_BUTTON) && buttonJson.get(FIELD_SUB_BUTTON).isJsonArray()) {
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JsonArray sub_buttonsJson = buttonJson.getAsJsonArray(FIELD_SUB_BUTTON);
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for (JsonElement subBtnElem : sub_buttonsJson) {
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button.getSubButtons().add(convertFromJson(subBtnElem.getAsJsonObject()));
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}
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}
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}
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return menu;
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@@ -118,14 +126,14 @@ public class WxMenuGsonAdapter implements JsonSerializer<WxMenu>, JsonDeserializ
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protected WxMenuButton convertFromJson(JsonObject json) {
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WxMenuButton button = new WxMenuButton();
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button.setName(GsonHelper.getString(json, "name"));
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button.setKey(GsonHelper.getString(json, "key"));
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button.setUrl(GsonHelper.getString(json, "url"));
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button.setType(GsonHelper.getString(json, "type"));
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button.setMediaId(GsonHelper.getString(json, "media_id"));
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button.setArticleId(GsonHelper.getString(json, "article_id"));
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button.setAppId(GsonHelper.getString(json, "appid"));
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button.setPagePath(GsonHelper.getString(json, "pagepath"));
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button.setName(GsonHelper.getString(json, FIELD_NAME));
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button.setKey(GsonHelper.getString(json, FIELD_KEY));
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button.setUrl(GsonHelper.getString(json, FIELD_URL));
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button.setType(GsonHelper.getString(json, FIELD_TYPE));
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button.setMediaId(GsonHelper.getString(json, FIELD_MEDIA_ID));
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button.setArticleId(GsonHelper.getString(json, FIELD_ARTICLE_ID));
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button.setAppId(GsonHelper.getString(json, FIELD_APP_ID));
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button.setPagePath(GsonHelper.getString(json, FIELD_PAGE_PATH));
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return button;
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}
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