issue #4 获取关注者列表

src/main/java/chanjarster/weixin/api/WxService.java

@@ -16,6 +16,7 @@ import chanjarster.weixin.bean.result.WxMassSendResult;
 import chanjarster.weixin.bean.result.WxMassUploadResult;
 import chanjarster.weixin.bean.result.WxMediaUploadResult;
 import chanjarster.weixin.bean.result.WxUser;
+import chanjarster.weixin.bean.result.WxUserList;
 import chanjarster.weixin.exception.WxErrorException;
 
 /**
@@ -258,6 +259,17 @@ public interface WxService {
    */
   public WxUser userInfo(String openid, String lang) throws WxErrorException;
 
+  /**
+   * <pre>
+   * 获取关注者列表
+   * 详情请见: http://mp.weixin.qq.com/wiki/index.php?title=获取关注者列表
+   * </pre>
+   * @param next_openid  可选，第一个拉取的OPENID，null为从头开始拉取
+   * @return
+   * @throws WxErrorException
+   */
+  public WxUserList userList(String next_openid) throws WxErrorException;
+  
   /**
    * 注入 {@link WxConfigStorage} 的实现
    * @param wxConfigProvider

src/main/java/chanjarster/weixin/api/WxServiceImpl.java

@@ -32,6 +32,7 @@ import chanjarster.weixin.bean.result.WxMassSendResult;
 import chanjarster.weixin.bean.result.WxMassUploadResult;
 import chanjarster.weixin.bean.result.WxMediaUploadResult;
 import chanjarster.weixin.bean.result.WxUser;
+import chanjarster.weixin.bean.result.WxUserList;
 import chanjarster.weixin.exception.WxErrorException;
 import chanjarster.weixin.util.fs.FileUtil;
 import chanjarster.weixin.util.http.MediaDownloadRequestExecutor;
@@ -42,7 +43,6 @@ import chanjarster.weixin.util.http.SimplePostRequestExecutor;
 import chanjarster.weixin.util.json.GsonHelper;
 import chanjarster.weixin.util.json.WxGsonBuilder;
 
-import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.internal.Streams;
@@ -254,7 +254,13 @@ public class WxServiceImpl implements WxService {
     String url = "https://api.weixin.qq.com/cgi-bin/user/info";
     lang = lang == null ? "zh_CN" : lang;
     String responseContent = execute(new SimpleGetRequestExecutor(), url, "openid=" + openid + "&lang=" + lang);
-    ;return WxUser.fromJson(responseContent);
+    return WxUser.fromJson(responseContent);
+  }
+  
+  public WxUserList userList(String next_openid) throws WxErrorException {
+    String url = "https://api.weixin.qq.com/cgi-bin/user/get";
+    String responseContent = execute(new SimpleGetRequestExecutor(), url, next_openid == null ? null : "next_openid=" + next_openid);
+    return WxUserList.fromJson(responseContent);
   }
   
   /**

src/main/java/chanjarster/weixin/bean/result/WxUserList.java

@@ -0,0 +1,48 @@
+package chanjarster.weixin.bean.result;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import chanjarster.weixin.util.json.WxGsonBuilder;
+
+
+/**
+ * 关注者列表
+ * @author chanjarster
+ *
+ */
+public class WxUserList {
+
+  protected int total = -1;
+  protected int count = -1;
+  protected List<String> openids = new ArrayList<String>();
+  protected String next_openid;
+  public int getTotal() {
+    return total;
+  }
+  public void setTotal(int total) {
+    this.total = total;
+  }
+  public int getCount() {
+    return count;
+  }
+  public void setCount(int count) {
+    this.count = count;
+  }
+  public List<String> getOpenids() {
+    return openids;
+  }
+  public void setOpenids(List<String> openids) {
+    this.openids = openids;
+  }
+  public String getNext_openid() {
+    return next_openid;
+  }
+  public void setNext_openid(String next_openid) {
+    this.next_openid = next_openid;
+  }
+  
+  public static WxUserList fromJson(String json) {
+    return WxGsonBuilder.INSTANCE.create().fromJson(json, WxUserList.class);
+  }
+}

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

@@ -7,6 +7,7 @@ import chanjarster.weixin.bean.WxMassNews;
 import chanjarster.weixin.bean.WxMassOpenIdsMessage;
 import chanjarster.weixin.bean.WxMenu;
 import chanjarster.weixin.bean.result.WxUser;
+import chanjarster.weixin.bean.result.WxUserList;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
@@ -24,6 +25,7 @@ public class WxGsonBuilder {
     INSTANCE.registerTypeAdapter(WxMassOpenIdsMessage.class, new WxMassOpenIdsMessageGsonAdapter());
     INSTANCE.registerTypeAdapter(WxGroup.class, new WxGroupGsonAdapter());
     INSTANCE.registerTypeAdapter(WxUser.class, new WxUserGsonAdapter());
+    INSTANCE.registerTypeAdapter(WxUserList.class, new WxUserListGsonAdapter());
   }
   
   public static Gson create() {

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

@@ -0,0 +1,42 @@
+/*
+ * 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.result.WxUserList;
+
+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;
+
+/**
+ * 
+ * @author qianjia
+ *
+ */
+public class WxUserListGsonAdapter implements JsonDeserializer<WxUserList> {
+
+  public WxUserList deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+    JsonObject o = json.getAsJsonObject();
+    WxUserList wxUserList = new WxUserList();
+    wxUserList.setTotal(GsonHelper.getInteger(o, "total"));
+    wxUserList.setCount(GsonHelper.getInteger(o, "count"));
+    wxUserList.setNext_openid(GsonHelper.getString(o, "next_openid"));
+    JsonArray data = o.get("data").getAsJsonObject().get("openid").getAsJsonArray();
+    for (int i = 0; i < data.size(); i++) {
+      wxUserList.getOpenids().add(GsonHelper.getAsString(data.get(i)));
+    }
+    return wxUserList;
+  }
+
+}

src/test/java/chanjarster/weixin/api/WxUserAPITest.java

@@ -6,6 +6,7 @@ import org.testng.annotations.Test;
 
 import chanjarster.weixin.api.ApiTestModule.WxXmlConfigStorage;
 import chanjarster.weixin.bean.result.WxUser;
+import chanjarster.weixin.bean.result.WxUserList;
 import chanjarster.weixin.exception.WxErrorException;
 import chanjarster.weixin.util.json.WxGsonBuilder;
 
@@ -35,4 +36,12 @@ public class WxUserAPITest {
     System.out.println(WxGsonBuilder.INSTANCE.create().toJson(user));
   }
   
+  public void testUserList() throws WxErrorException  {
+      WxUserList wxUserList = wxService.userList(null);
+      Assert.assertNotNull(wxUserList);
+      Assert.assertFalse(wxUserList.getCount() == -1);
+      Assert.assertFalse(wxUserList.getTotal() == -1);
+      Assert.assertFalse(wxUserList.getOpenids().size() == -1);
+  }
+    
 }