添加多媒体文件下载支持

src/main/java/chanjarster/weixin/util/json/GsonHelper.java

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+/*
+ * KINGSTAR MEDIA SOLUTIONS Co.,LTD. Copyright c 2005-2013. All rights reserved.
+ *
+ * This source code is the property of KINGSTAR MEDIA SOLUTIONS LTD. It is intended
+ * only for the use of KINGSTAR MEDIA application development. Reengineering, reproduction
+ * arose from modification of the original source, or other redistribution of this source
+ * is not permitted without written permission of the KINGSTAR MEDIA SOLUTIONS LTD.
+ */
+package chanjarster.weixin.util.json;
+
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+
+public class GsonHelper {
+
+	public static boolean isNull(JsonElement element) {
+		return element == null || element.isJsonNull();
+	}
+	
+	public static boolean isNotNull(JsonElement element) {
+		return !isNull(element);
+	}
+	
+	public static Long getLong(JsonObject json, String property) {
+		return getAsLong(json.get(property));
+	}
+	
+	public static long getPrimitiveLong(JsonObject json, String property) {
+		return getAsPrimitiveLong(json.get(property));
+	}
+
+	public static Integer getInteger(JsonObject json, String property) {
+		return getAsInteger(json.get(property));
+	}
+
+	public static int getPrimitiveInteger(JsonObject json, String property) {
+		return getAsPrimitiveInt(json.get(property));
+	}
+	
+	public static Double getDouble(JsonObject json, String property) {
+		return getAsDouble(json.get(property));
+	}
+	
+	public static double getPrimitiveDouble(JsonObject json, String property) {
+		return getAsPrimitiveDouble(json.get(property));
+	}
+	
+	public static Float getFloat(JsonObject json, String property) {
+		return getAsFloat(json.get(property));
+	}
+	
+	public static float getPrimitiveFloat(JsonObject json, String property) {
+		return getAsPrimitiveFloat(json.get(property));
+	}
+	
+	public static Boolean getBoolean(JsonObject json, String property) {
+		return getAsBoolean(json.get(property));
+	}
+
+	public static String getString(JsonObject json, String property) {
+		return getAsString(json.get(property));
+	}
+	
+	public static String getAsString(JsonElement element) {
+		return isNull(element) ? null : element.getAsString();
+	}
+	
+	public static Long getAsLong(JsonElement element) {
+		return isNull(element) ? null : element.getAsLong();
+	}
+	
+	public static long getAsPrimitiveLong(JsonElement element) {
+		Long r = getAsLong(element);
+		return r == null ? 0l : r;
+	}
+	
+	public static Integer getAsInteger(JsonElement element) {
+		return isNull(element) ? null : element.getAsInt();
+	}
+	
+	public static int getAsPrimitiveInt(JsonElement element) {
+		Integer r = getAsInteger(element);
+		return r == null ? 0 : r;
+	}
+	
+	public static Boolean getAsBoolean(JsonElement element) {
+		return isNull(element) ? null : element.getAsBoolean();
+	}
+	
+	public static boolean getAsPrimitiveBool(JsonElement element) {
+		Boolean r = getAsBoolean(element);
+		return r == null ? false : r.booleanValue();
+	}
+	
+	public static Double getAsDouble(JsonElement element) {
+		return isNull(element) ? null : element.getAsDouble();
+	}
+	
+	public static double getAsPrimitiveDouble(JsonElement element) {
+		Double r = getAsDouble(element);
+		return r == null ? 0d : r;
+	}
+	
+	public static Float getAsFloat(JsonElement element) {
+		return isNull(element) ? null : element.getAsFloat();
+	}
+	
+	public static float getAsPrimitiveFloat(JsonElement element) {
+		Float r = getAsFloat(element);
+		return r == null ? 0f : r;
+	}
+	
+}

src/main/java/chanjarster/weixin/util/json/WxCustomMessageGsonAdapter.java

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+/*
+ * KINGSTAR MEDIA SOLUTIONS Co.,LTD. Copyright c 2005-2013. All rights reserved.
+ *
+ * This source code is the property of KINGSTAR MEDIA SOLUTIONS LTD. It is intended
+ * only for the use of KINGSTAR MEDIA application development. Reengineering, reproduction
+ * arose from modification of the original source, or other redistribution of this source
+ * is not permitted without written permission of the KINGSTAR MEDIA SOLUTIONS LTD.
+ */
+package chanjarster.weixin.util.json;
+
+import java.lang.reflect.Type;
+
+import chanjarster.weixin.api.WxConsts;
+import chanjarster.weixin.bean.WxCustomMessage;
+import chanjarster.weixin.bean.WxCustomMessage.WxArticle;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * 
+ * @author qianjia
+ *
+ */
+public class WxCustomMessageGsonAdapter implements JsonSerializer<WxCustomMessage> {
+
+  public JsonElement serialize(WxCustomMessage message, Type typeOfSrc, JsonSerializationContext context) {
+    JsonObject messageJson = new JsonObject();
+    messageJson.addProperty("touser", message.getTouser());
+    messageJson.addProperty("msgtype", message.getMsgtype());
+    
+    if (WxConsts.MSG_TEXT.equals(message.getMsgtype())) {
+      JsonObject text = new JsonObject();
+      text.addProperty("content", message.getContent());
+      messageJson.add("text", text);
+    }
+
+    if (WxConsts.MSG_IMAGE.equals(message.getMsgtype())) {
+      JsonObject image = new JsonObject();
+      image.addProperty("media_id", message.getMedia_id());
+      messageJson.add("image", image);
+    }
+
+    if (WxConsts.MSG_VOICE.equals(message.getMsgtype())) {
+      JsonObject voice = new JsonObject();
+      voice.addProperty("media_id", message.getMedia_id());
+      messageJson.add("voice", voice);
+    }
+
+    if (WxConsts.MSG_VIDEO.equals(message.getMsgtype())) {
+      JsonObject video = new JsonObject();
+      video.addProperty("media_id", message.getMedia_id());
+      video.addProperty("thumb_media_id", message.getThumb_media_id());
+      video.addProperty("title", message.getTitle());
+      video.addProperty("description", message.getDescription());
+      messageJson.add("video", video);
+    }
+
+    if (WxConsts.MSG_MUSIC.equals(message.getMsgtype())) {
+      JsonObject music = new JsonObject();
+      music.addProperty("title", message.getTitle());
+      music.addProperty("description", message.getDescription());
+      music.addProperty("thumb_media_id", message.getThumb_media_id());
+      music.addProperty("musicurl", message.getMusicurl());
+      music.addProperty("hqmusicurl", message.getHqmusicurl());
+      messageJson.add("music", music);
+    }
+    
+    if (WxConsts.MSG_NEWS.equals(message.getMsgtype())) {
+      JsonArray articleJsonArray = new JsonArray();
+      for (WxArticle article : message.getArticles()) {
+        JsonObject articleJson = new JsonObject();
+        articleJson.addProperty("title", article.getTitle());
+        articleJson.addProperty("description", article.getDescription());
+        articleJson.addProperty("url", article.getUrl());
+        articleJson.addProperty("picurl", article.getPicurl());
+        articleJsonArray.add(articleJson);
+      }
+      messageJson.add("articles", articleJsonArray);
+    }
+    
+    return messageJson;
+  }
+
+}

src/main/java/chanjarster/weixin/util/json/WxGsonBuilder.java

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+package chanjarster.weixin.util.json;
+
+import chanjarster.weixin.bean.WxCustomMessage;
+import chanjarster.weixin.bean.WxMenu;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class WxGsonBuilder {
+
+  public static final GsonBuilder INSTANCE = new GsonBuilder();
+  
+  static {
+    INSTANCE.disableHtmlEscaping();
+    INSTANCE.registerTypeAdapter(WxCustomMessage.class, new WxCustomMessageGsonAdapter());
+    INSTANCE.registerTypeAdapter(WxMenu.class, new WxMenuGsonAdapter());
+  }
+  
+  public static Gson create() {
+    return INSTANCE.create();
+  }
+  
+}

src/main/java/chanjarster/weixin/util/json/WxMenuGsonAdapter.java

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+/*
+ * KINGSTAR MEDIA SOLUTIONS Co.,LTD. Copyright c 2005-2013. All rights reserved.
+ *
+ * This source code is the property of KINGSTAR MEDIA SOLUTIONS LTD. It is intended
+ * only for the use of KINGSTAR MEDIA application development. Reengineering, reproduction
+ * arose from modification of the original source, or other redistribution of this source
+ * is not permitted without written permission of the KINGSTAR MEDIA SOLUTIONS LTD.
+ */
+package chanjarster.weixin.util.json;
+
+import java.lang.reflect.Type;
+
+import chanjarster.weixin.bean.WxMenu;
+import chanjarster.weixin.bean.WxMenu.WxMenuButton;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParseException;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+
+/**
+ * 
+ * @author qianjia
+ *
+ */
+public class WxMenuGsonAdapter implements JsonSerializer<WxMenu>, JsonDeserializer<WxMenu> {
+
+  public JsonElement serialize(WxMenu menu, Type typeOfSrc, JsonSerializationContext context) {
+    JsonObject json = new JsonObject();
+
+    JsonArray buttonArray = new JsonArray();
+    for (WxMenuButton button : menu.getButton()) {
+      JsonObject buttonJson = convertToJson(button);
+      buttonArray.add(buttonJson);
+    }
+    json.add("button", buttonArray);
+    
+    return json;
+  }
+
+  protected JsonObject convertToJson(WxMenuButton button) {
+    JsonObject buttonJson = new JsonObject();
+    buttonJson.addProperty("type", button.getType());
+    buttonJson.addProperty("name", button.getName());
+    buttonJson.addProperty("key", button.getKey());
+    buttonJson.addProperty("url", button.getUrl());
+    if (button.getSub_button() != null && button.getSub_button().size() > 0) {
+      JsonArray buttonArray = new JsonArray();
+      for (WxMenuButton sub_button : button.getSub_button()) {
+        buttonArray.add(convertToJson(sub_button));
+      }
+      buttonJson.add("sub_button", buttonArray);
+    }
+    return buttonJson;
+  }
+
+  public WxMenu deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+    /*
+     * 操蛋的微信
+     * 创建菜单时是 { button : ... }
+     * 查询菜单时是 { menu : { button : ... } }
+     */
+    WxMenu menu = new WxMenu();
+    JsonObject menuJson = json.getAsJsonObject().get("menu").getAsJsonObject();
+    JsonArray buttonsJson = menuJson.get("button").getAsJsonArray();
+    for (int i = 0; i < buttonsJson.size(); i++) {
+      JsonObject buttonJson = buttonsJson.get(i).getAsJsonObject();
+      WxMenuButton button = convertFromJson(buttonJson);
+      menu.getButton().add(button);
+      if (buttonJson.get("sub_button") == null || buttonJson.get("sub_button").isJsonNull()) {
+        continue;
+      }
+      JsonArray sub_buttonsJson = buttonJson.get("sub_button").getAsJsonArray();
+      for (int j = 0; j < sub_buttonsJson.size(); j++) {
+        JsonObject sub_buttonJson = sub_buttonsJson.get(j).getAsJsonObject();
+        button.getSub_button().add(convertFromJson(sub_buttonJson));
+      }
+    }
+    return menu;
+  }
+  
+  protected WxMenuButton convertFromJson(JsonObject json) {
+    WxMenuButton button = new WxMenuButton();
+    button.setName(GsonHelper.getString(json, "name"));
+    button.setKey(GsonHelper.getString(json, "key"));
+    button.setUrl(GsonHelper.getString(json, "url"));
+    button.setType(GsonHelper.getString(json, "type"));
+    return button;
+  }
+
+}