#27 nullpointer fix

webmagic-core/src/main/java/us/codecraft/webmagic/downloader/HttpClientPool.java

@@ -51,9 +51,14 @@ public class HttpClientPool {
         HttpParams params = new BasicHttpParams();
         if (site != null && site.getUserAgent() != null) {
             params.setParameter(CoreProtocolPNames.USER_AGENT, site.getUserAgent());
+            params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, site.getTimeOut());
+            params.setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, site.getTimeOut());
+        } else {
+            params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 3000);
+            params.setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 3000);
         }
-        params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, site.getTimeOut());
-        params.setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, site.getTimeOut());
+
+
         params.setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.BEST_MATCH);
         HttpProtocolParamBean paramsBean = new HttpProtocolParamBean(params);
         paramsBean.setVersion(HttpVersion.HTTP_1_1);
@@ -73,7 +78,6 @@ public class HttpClientPool {
         if (site != null) {
             generateCookie(httpClient, site);
         }
-
         return httpClient;
     }
 

webmagic-core/src/test/java/us/codecraft/webmagic/downloader/HttpClientDownloaderTest.java

@@ -22,4 +22,5 @@ public class HttpClientDownloaderTest {
         Page download = httpClientDownloader.download(new Request("http://www.diandian.com"), site.toTask());
         Assert.assertTrue(download.getHtml().toString().contains("flashsword30"));
     }
+
 }