用advice简化一些代码

core/src/main/java/org/b3log/solo/processor/console/PluginConsole.java

@@ -26,10 +26,12 @@ import org.b3log.latke.model.Plugin;
 import org.b3log.latke.service.LangPropsService;
 import org.b3log.latke.servlet.HTTPRequestContext;
 import org.b3log.latke.servlet.HTTPRequestMethod;
+import org.b3log.latke.servlet.annotation.Before;
 import org.b3log.latke.servlet.annotation.RequestProcessing;
 import org.b3log.latke.servlet.annotation.RequestProcessor;
 import org.b3log.latke.servlet.renderer.JSONRenderer;
 import org.b3log.latke.util.Requests;
+import org.b3log.solo.processor.console.common.ProcessAuthAdvice;
 import org.b3log.solo.service.PluginMgmtService;
 import org.b3log.solo.service.PluginQueryService;
 import org.b3log.solo.util.QueryResults;
@@ -41,10 +43,12 @@ import org.json.JSONObject;
  * Plugin console request processing.
  *
  * @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
- * @version 1.0.0.1, Aug 9, 2012
+ * @author <a href="mailto:wmainlove@gmail.com">Love Yao</a>
+ * @version 1.1.0.0, Jan 17, 2013
  * @since 0.4.0
  */
 @RequestProcessor
+@Before(adviceClass = ProcessAuthAdvice.class)
 public final class PluginConsole {
 
     /**
@@ -93,10 +97,6 @@ public final class PluginConsole {
     @RequestProcessing(value = "/console/plugin/status/", method = HTTPRequestMethod.PUT)
     public void setPluginStatus(final HttpServletRequest request, final HttpServletResponse response, final HTTPRequestContext context)
         throws Exception {
-        if (!userUtils.isLoggedIn(request, response)) {
-            response.sendError(HttpServletResponse.SC_FORBIDDEN);
-            return;
-        }
 
         final JSONRenderer renderer = new JSONRenderer();
 
@@ -150,10 +150,6 @@ public final class PluginConsole {
         method = HTTPRequestMethod.GET)
     public void getPlugins(final HttpServletRequest request, final HttpServletResponse response, final HTTPRequestContext context)
         throws Exception {
-        if (!userUtils.isLoggedIn(request, response)) {
-            response.sendError(HttpServletResponse.SC_FORBIDDEN);
-            return;
-        }
 
         final JSONRenderer renderer = new JSONRenderer();
 

core/src/main/java/org/b3log/solo/processor/console/common/ProcessAuthAdvice.java

+/*
+ * Copyright (c) 2009, 2010, 2011, 2012, 2013, B3log Team
+ *
+ * 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 org.b3log.solo.processor.console.common;
+
+
+import java.io.IOException;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.b3log.latke.servlet.HTTPRequestContext;
+import org.b3log.latke.servlet.advice.BeforeRequestProcessAdvice;
+import org.b3log.latke.servlet.advice.RequestProcessAdviceException;
+import org.b3log.latke.servlet.advice.RequestReturnAdviceException;
+import org.b3log.solo.util.Users;
+
+
+/**
+ *  the common auth check before advice for admin console.
+ * 
+ * @author <a href="mailto:wmainlove@gmail.com">Love Yao</a>
+ * @version 1.0.0.0, Jan 17, 2013
+ */
+public class ProcessAuthAdvice extends BeforeRequestProcessAdvice {
+
+    /**
+     * User utilities.
+     */
+    private Users userUtils = Users.getInstance();
+
+    @Override
+    public void doAdvice(final HTTPRequestContext context, final Map<String, Object> args) throws RequestProcessAdviceException {
+
+        if (!userUtils.isLoggedIn(context.getRequest(), context.getResponse())) {
+            try {
+                context.getResponse().sendError(HttpServletResponse.SC_FORBIDDEN);
+            } catch (final IOException e) {
+                throw new RuntimeException(e);
+            }
+            throw new RequestReturnAdviceException(null);
+        }
+
+    }
+
+}