无jira任务，修复无网的时候报4个nul的问题

designer_base/src/com/fr/design/extra/PluginHelper.java

@@ -38,6 +38,7 @@ public class PluginHelper {
     //插件依赖的下载位置
     public static final String DEPENDENCE_DOWNLOAD_PATH = System.getProperty("user.dir") + "/download/dependence";
     public static final String TEMP_FILE = "temp.zip";
+    public static final String CONNECTION_404 = "404";
 
     /**
      * 下载插件
@@ -156,6 +157,7 @@ public class PluginHelper {
 
     /**
      * 构造一个下载UI
+     *
      * @param currentID
      * @param list
      * @throws PluginDependenceException
@@ -164,6 +166,7 @@ public class PluginHelper {
         DownLoadDependenceUI ui = new DownLoadDependenceUI(currentID, list);
         ui.installOnline();
     }
+
     /**
      * 从选中的压缩文件中安装插件
      *

designer_base/src/com/fr/design/extra/PluginsReaderFromStore.java

@@ -65,18 +65,17 @@ public class PluginsReaderFromStore {
      * @return 插件信息
      */
     public static Plugin[] readPluginsForUpdate() throws Exception {
-            String resText;
-            try {
+        String resText = null;
+        String url = SiteCenter.getInstance().acquireUrlByKind("plugin.update");
+        if (StringUtils.isNotEmpty(url)) {
             HashMap<String, String> para = new HashMap<String, String>();
             para.put("plugins", PluginLoader.getLoader().pluginsToString());
             //只有当前设计器的jar高于插件新版本需要的jarTime时, 才提示更新该插件.
             para.put("jarTime", GeneralUtils.readBuildNO());
-                HttpClient httpClient = new HttpClient(SiteCenter.getInstance().acquireUrlByKind("plugin.update"), para);
+            HttpClient httpClient = new HttpClient(url, para);
             resText = httpClient.getResponseText();
             String charSet = EncodeConstants.ENCODING_UTF_8;
             resText = URLDecoder.decode(URLDecoder.decode(resText, charSet), charSet);
-            } catch (Exception e) {
-                throw new Exception(Inter.getLocText("FR-Designer-Plugin_PluginMarket_Coding"));
         }
         if (StringUtils.isNotEmpty(resText)) {
             try {
@@ -93,7 +92,6 @@ public class PluginsReaderFromStore {
                 throw new Exception(Inter.getLocText("FR-Designer-Plugin_Read_Plugin_List_Error"));
             }
         }
-
         return pluginsToUpdate.toArray(new Plugin[pluginsToUpdate.size()]);
     }
 

designer_base/src/com/fr/design/extra/exe/GetPluginCategoriesExecutor.java

@@ -1,5 +1,6 @@
 package com.fr.design.extra.exe;
 
+import com.fr.design.extra.PluginHelper;
 import com.fr.design.extra.Process;
 import com.fr.general.SiteCenter;
 import com.fr.general.http.HttpClient;
@@ -26,8 +27,14 @@ public class GetPluginCategoriesExecutor implements Executor {
 
                     @Override
                     public void run(Process<String> process) {
-                        HttpClient httpClient = new HttpClient(SiteCenter.getInstance().acquireUrlByKind("plugin.category"));
+                        String url = SiteCenter.getInstance().acquireUrlByKind("plugin.category");
+                        if (url != null) {
+                            HttpClient httpClient = new HttpClient(url);
                             result = httpClient.getResponseText();
+                        } else {
+                            result = PluginHelper.CONNECTION_404;
+                        }
+
                     }
                 }
         };

designer_base/src/com/fr/design/extra/exe/GetPluginFromStoreExecutor.java

@@ -1,5 +1,6 @@
 package com.fr.design.extra.exe;
 
+import com.fr.design.extra.PluginHelper;
 import com.fr.design.extra.Process;
 import com.fr.general.FRLogger;
 import com.fr.general.SiteCenter;
@@ -38,7 +39,10 @@ public class GetPluginFromStoreExecutor implements Executor {
 
                     @Override
                     public void run(Process<String> process) {
-                        StringBuilder url = new StringBuilder(SiteCenter.getInstance().acquireUrlByKind("plugin.plist"));
+                        String plistUrl = SiteCenter.getInstance().acquireUrlByKind("plugin.plist");
+                        if (StringUtils.isNotBlank(plistUrl)) {
+                            StringBuilder url = new StringBuilder();
+                            url.append(plistUrl);
                             if (StringUtils.isNotBlank(category)) {
                                 url.append("&cid=").append(category.split("-")[1]);
                             }
@@ -54,6 +58,9 @@ public class GetPluginFromStoreExecutor implements Executor {
                             } catch (Exception e) {
                                 FRLogger.getLogger().error(e.getMessage());
                             }
+                        } else {
+                            result = PluginHelper.CONNECTION_404;
+                        }
                     }
                 }
         };