downloader refactor

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

@@ -63,14 +63,14 @@ public class HttpClientDownloader implements Downloader {
 
     private CloseableHttpClient getHttpClient(Site site) {
         if (site == null) {
-            return new HttpClientPool(poolSize).getClient(null);
+            return new HttpClientGenerator(poolSize).getClient(null);
         }
         String domain = site.getDomain();
         CloseableHttpClient httpClient = httpClients.get(domain);
         if (httpClient == null) {
             synchronized (this) {
                 if (httpClient == null) {
-                    httpClient = new HttpClientPool(poolSize).getClient(site);
+                    httpClient = new HttpClientGenerator(poolSize).getClient(site);
                     httpClients.put(domain, httpClient);
                 }
             }

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

@@ -21,11 +21,11 @@ import java.util.Map;
  * @author code4crafter@gmail.com <br>
  * @since 0.3.3
  */
-public class HttpClientPool {
+public class HttpClientGenerator {
 
     private PoolingHttpClientConnectionManager connectionManager;
 
-    public HttpClientPool(int poolSize) {
+    public HttpClientGenerator(int poolSize) {
         Registry<ConnectionSocketFactory> reg = RegistryBuilder.<ConnectionSocketFactory>create()
                 .register("http", PlainConnectionSocketFactory.INSTANCE)
                 .register("https", SSLConnectionSocketFactory.getSocketFactory())

zh_docs/us/codecraft/webmagic/downloader/HttpClientPool-cmnt.xml

@@ -4,7 +4,7 @@
 <date-generated>Sat Aug 17 14:14:45 CST 2013</date-generated>
 </meta>
 <comment>
-<key><![CDATA[us.codecraft.webmagic.downloader.HttpClientPool]]></key>
+<key><![CDATA[us.codecraft.webmagic.downloader.HttpClientGenerator]]></key>
 <data><![CDATA[ @author code4crafter@gmail.com <br>
          Date: 13-4-21
          Time: 下午12:29