update comments

c59c1fe8 · yihua.huang · 59aad6a7 · c59c1fe8 · c59c1fe8 · c59c1fe8
Commit c59c1fe8 authored Aug 17, 2013 by yihua.huang
5 changed files
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/MultiPageModel.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/MultiPageModel.java
 package us.codecraft.webmagic;

+import us.codecraft.webmagic.model.annotation.Experimental;
+
 import java.util.Collection;

 /**
- * 实现此接口以进行支持爬虫分页抓取。<br>
+ * Extract an object of more than one pages, such as news and articles。<br>
+ *
 * @author code4crafter@gmail.com <br>
- * Date: 13-8-4 <br>
- * Time: 下午5:18 <br>
 */
+@Experimental
 public interface MultiPageModel {

+    /**
+     * Page key is the identifier for the object.
+     *
+     * @return page key
+     */
    public String getPageKey();

-    public Collection<String> getOtherPages();
-
+    /**
+     * page is the identifier of a page in pages for one object.
+     *
+     * @return page
+     */
    public String getPage();

+    /**
+     * other pages to be extracted.<br>
+     * It is used to judge whether an object contains more than one page, and whether the pages of the object are all extracted.
+     *
+     * @return other pages
+     */
+    public Collection<String> getOtherPages();
+
+    /**
+     * Combine multiPageModels to a whole object.
+     *
+     * @param multiPageModel
+     * @return multiPageModel combined
+     */
    public MultiPageModel combine(MultiPageModel multiPageModel);

 }
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/model/AfterExtractor.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/model/AfterExtractor.java
@@ -6,8 +6,6 @@ import us.codecraft.webmagic.Page;
 * 实现这个接口即可在抽取后进行后处理。<br>
 *
 * @author code4crafter@gmail.com <br>
- * Date: 13-8-3 <br>
- * Time: 上午9:42 <br>
 */
 public interface AfterExtractor {


--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/model/OOSpider.java
@@ -5,10 +5,26 @@ import us.codecraft.webmagic.Spider;
 import us.codecraft.webmagic.processor.PageProcessor;

 /**
- * 基于Model的Spider，封装后的入口类。<br>
+ * The spider for page model extractor。<br>
+ * In webmagic, we call a POJO containing extract result as "page model". <br>
+ * You can customize a crawler by write a page model with annotations. <br>
+ * Such as:
+ * <pre>
+ * {@literal @}TargetUrl("http://my.oschina.net/flashsword/blog/\\d+")
+ *  public class OschinaBlog{
+ *
+ *      {@literal @}ExtractBy("//title")
+ *      private String title;
+ *
+ *      {@literal @}ExtractBy(value = "div.BlogContent",type = ExtractBy.Type.Css)
+ *      private String content;
+ *
+ *      {@literal @}ExtractBy(value = "//div[@class='BlogTags']/a/text()", multi = true)
+ *      private List<String> tags;
+ * }
+ </pre>
 * @author code4crafter@gmail.com <br>
- * Date: 13-8-3 <br>
- * Time: 上午9:51 <br>
+ * @since 0.2.0
 */
 public class OOSpider extends Spider {


--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/model/package.html
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/model/package.html
 <html>
 	<body>
-webmagic对抓取器编写的面向模型(称为PageModel)的封装。基于POJO及注解即可实现一个PageProcessor。
+Page model and annotations used to customize a crawler.
 	</body>
 </html>
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/utils/MultiKeyMapBase.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/utils/MultiKeyMapBase.java
@@ -2,7 +2,6 @@ package us.codecraft.webmagic.utils;

 /**
 * @author code4crafter@gmail.com
- * Date Dec 14, 2012
 */

 import java.util.HashMap;