json fix

webmagic-core/src/main/java/us/codecraft/webmagic/Request.java

@@ -40,6 +40,9 @@ public class Request implements Serializable {
 
     private double priority;
 
+    public Request() {
+    }
+
     /**
      * 构建一个request对象
      *
@@ -102,4 +105,12 @@ public class Request implements Serializable {
     public int hashCode() {
         return url.hashCode();
     }
+
+    public void setExtras(Map<String, Object> extras) {
+        this.extras = extras;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
 }

webmagic-plugin/webmagic-misc/src/main/java/us/codecraft/webmagic/scheduler/RedisScheduler.java

@@ -40,8 +40,8 @@ public class RedisScheduler implements Scheduler {
             jedis.zadd(SET_PREFIX + task.getUUID(), request.getPriority(), request.getUrl());
             if (request.getExtras() != null) {
                 String key = ITEM_PREFIX + DigestUtils.shaHex(request.getUrl());
-                byte[] serialize = JSON.toJSONBytes(request);
-                jedis.set(key.getBytes(), serialize);
+                byte[] bytes = JSON.toJSONString(request).getBytes();
+                jedis.set(key.getBytes(), bytes);
             }
         }
         pool.returnResource(jedis);
@@ -57,8 +57,8 @@ public class RedisScheduler implements Scheduler {
         String key = ITEM_PREFIX + DigestUtils.shaHex(url);
         byte[] bytes = jedis.get(key.getBytes());
         if (bytes != null) {
-            Object o = JSON.parse(bytes);
-            return (Request) o;
+            Request o = JSON.parseObject(new String(bytes),Request.class);
+            return o;
         }
         pool.returnResource(jedis);
         return new Request(url);

webmagic-plugin/webmagic-misc/src/test/java/us/codecraft/webmagic/scheduler/RedisSchedulerTest.java

 package us.codecraft.webmagic.scheduler;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import us.codecraft.webmagic.Request;
 import us.codecraft.webmagic.Site;
@@ -35,8 +34,11 @@ public class RedisSchedulerTest {
                 return null;
             }
         };
-        redisScheduler.push(new Request("http://www.ibm.com/developerworks/cn/java/j-javadev2-22/"), task);
+        Request request = new Request("http://www.ibm.com/developerworks/cn/java/j-javadev2-22/");
+        request.putExtra("1","2");
+        redisScheduler.push(request, task);
         Request poll = redisScheduler.poll(task);
+        System.out.println(poll);
 
     }
 }