Merge branch 'stable' of github.com:code4craft/webmagic

README.md

@@ -41,12 +41,12 @@ webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用w
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 ```
         
@@ -192,6 +192,7 @@ webmagic遵循[Apache 2.0协议](http://opensource.org/licenses/Apache-2.0)
 * [lidongyang](http://my.oschina.net/lidongyang)
 * [seveniu](https://github.com/seveniu)
 * [sebastian1118](https://github.com/sebastian1118)
+* [codev777](https://github.com/codev777)
 
 ### 邮件组:
 

en_docs/README.md

@@ -25,12 +25,12 @@ Add dependencies to your pom.xml:
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 ```
         
@@ -145,6 +145,7 @@ Thanks these people for commiting source code, reporting bugs or suggesting for
 * [lidongyang](http://my.oschina.net/lidongyang)
 * [seveniu](https://github.com/seveniu)
 * [sebastian1118](https://github.com/sebastian1118)
+* [codev777](https://github.com/codev777)
 
 
 ### Thanks:

pom.xml

@@ -6,7 +6,7 @@
         <version>7</version>
     </parent>
     <groupId>us.codecraft</groupId>
-    <version>0.5.0</version>
+    <version>0.5.2-SNAPSHOT</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>pom</packaging>
     <properties>
@@ -54,7 +54,7 @@
         <module>webmagic-selenium</module>
         <module>webmagic-saxon</module>
         <module>webmagic-samples</module>
-        <module>webmagic-avalon</module>
+        <!--<module>webmagic-avalon</module>-->
     </modules>
 
     <dependencyManagement>

webmagic-avalon/forger/pom.xml

@@ -7,7 +7,7 @@
     </parent>
     <groupId>us.codecraft</groupId>
     <artifactId>forger</artifactId>
-    <version>0.1.0</version>
+    <version>0.1.1-SNAPSHOT</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
     <properties>

webmagic-avalon/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -39,12 +39,6 @@
                 <version>1.1.1</version>
             </dependency>
 
-            <dependency>
-                <groupId>us.codecraft</groupId>
-                <artifactId>forger</artifactId>
-                <version>0.1.1-SNAPSHOT</version>
-            </dependency>
-
             <dependency>
                 <groupId>org.freemarker</groupId>
                 <artifactId>freemarker</artifactId>

webmagic-avalon/webmagic-admin/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-avalon/webmagic-avalon-common/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>us.codecraft</groupId>
             <artifactId>forger</artifactId>
-            <version>0.1.0</version>
+            <version>0.1.1-SNAPSHOT</version>
         </dependency>
 
         <dependency>
@@ -150,18 +150,4 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>sonatype-nexus-snapshots</id>
-            <name>Sonatype Nexus Snapshots</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
 </project>

webmagic-avalon/webmagic-worker/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-avalon</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-core/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/DuplicatedRemoveScheduler.java → webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/DuplicateRemovedScheduler.java

@@ -4,6 +4,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import us.codecraft.webmagic.Request;
 import us.codecraft.webmagic.Task;
+import us.codecraft.webmagic.scheduler.component.DuplicateRemover;
+import us.codecraft.webmagic.scheduler.component.HashSetDuplicateRemover;
 
 /**
  * Remove duplicate urls and only push urls which are not duplicate.<br></br>
@@ -11,30 +13,30 @@ import us.codecraft.webmagic.Task;
  * @author code4crafer@gmail.com
  * @since 0.5.0
  */
-public abstract class DuplicatedRemoveScheduler implements Scheduler {
+public abstract class DuplicateRemovedScheduler implements Scheduler {
 
     protected Logger logger = LoggerFactory.getLogger(getClass());
 
+    private DuplicateRemover duplicatedRemover = new HashSetDuplicateRemover();
+
+    public DuplicateRemover getDuplicateRemover() {
+        return duplicatedRemover;
+    }
+
+    public DuplicateRemovedScheduler setDuplicateRemover(DuplicateRemover duplicatedRemover) {
+        this.duplicatedRemover = duplicatedRemover;
+        return this;
+    }
+
     @Override
     public void push(Request request, Task task) {
         logger.trace("get a candidate url {}", request.getUrl());
-        if (isDuplicate(request, task) || shouldReserved(request)) {
+        if (!duplicatedRemover.isDuplicate(request, task) || shouldReserved(request)) {
             logger.debug("push to queue {}", request.getUrl());
             pushWhenNoDuplicate(request, task);
         }
     }
 
-    /**
-     * Reset duplicate check.
-     */
-    public abstract void resetDuplicateCheck(Task task);
-
-    /**
-     * @param request
-     * @return
-     */
-    protected abstract boolean isDuplicate(Request request, Task task);
-
     protected boolean shouldReserved(Request request) {
         return request.getExtra(Request.CYCLE_TRIED_TIMES) != null;
     }

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/PriorityScheduler.java

@@ -17,7 +17,7 @@ import java.util.concurrent.PriorityBlockingQueue;
  * @since 0.2.1
  */
 @ThreadSafe
-public class PriorityScheduler extends LocalDuplicatedRemoveScheduler {
+public class PriorityScheduler extends DuplicateRemovedScheduler implements MonitorableScheduler {
 
     public static final int INITIAL_CAPACITY = 5;
 
@@ -65,4 +65,9 @@ public class PriorityScheduler extends LocalDuplicatedRemoveScheduler {
     public int getLeftRequestsCount(Task task) {
         return noPriorityQueue.size();
     }
+
+    @Override
+    public int getTotalRequestsCount(Task task) {
+        return getDuplicateRemover().getTotalRequestsCount(task);
+    }
 }

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/QueueScheduler.java

@@ -16,7 +16,7 @@ import java.util.concurrent.LinkedBlockingQueue;
  * @since 0.1.0
  */
 @ThreadSafe
-public class QueueScheduler extends LocalDuplicatedRemoveScheduler {
+public class QueueScheduler extends DuplicateRemovedScheduler implements MonitorableScheduler {
 
     private BlockingQueue<Request> queue = new LinkedBlockingQueue<Request>();
 
@@ -34,4 +34,9 @@ public class QueueScheduler extends LocalDuplicatedRemoveScheduler {
     public int getLeftRequestsCount(Task task) {
         return queue.size();
     }
+
+    @Override
+    public int getTotalRequestsCount(Task task) {
+        return getDuplicateRemover().getTotalRequestsCount(task);
+    }
 }

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/component/BloomFilterDuplicateRemover.java

+package us.codecraft.webmagic.scheduler.component;
+
+import com.google.common.hash.BloomFilter;
+import com.google.common.hash.Funnels;
+import us.codecraft.webmagic.Request;
+import us.codecraft.webmagic.Task;
+
+import java.nio.charset.Charset;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * BloomFilterDuplicateRemover for huge number of urls.
+ *
+ * @author code4crafer@gmail.com
+ * @since 0.5.1
+ */
+public class BloomFilterDuplicateRemover implements DuplicateRemover {
+
+    private int expectedInsertions;
+
+    private double fpp;
+
+    private AtomicInteger counter;
+
+    public BloomFilterDuplicateRemover(int expectedInsertions) {
+        this(expectedInsertions, 0.01);
+    }
+
+    /**
+     *
+     * @param expectedInsertions the number of expected insertions to the constructed
+     * @param fpp the desired false positive probability (must be positive and less than 1.0)
+     */
+    public BloomFilterDuplicateRemover(int expectedInsertions, double fpp) {
+        this.expectedInsertions = expectedInsertions;
+        this.fpp = fpp;
+        this.bloomFilter = rebuildBloomFilter();
+    }
+
+    protected BloomFilter<CharSequence> rebuildBloomFilter() {
+        counter = new AtomicInteger(0);
+        return BloomFilter.create(Funnels.stringFunnel(Charset.defaultCharset()), expectedInsertions, fpp);
+    }
+
+    private final BloomFilter<CharSequence> bloomFilter;
+
+    @Override
+    public boolean isDuplicate(Request request, Task task) {
+        boolean isDuplicate = bloomFilter.mightContain(getUrl(request));
+        if (!isDuplicate) {
+            bloomFilter.put(getUrl(request));
+            counter.incrementAndGet();
+        }
+        return isDuplicate;
+    }
+
+    protected String getUrl(Request request) {
+        return request.getUrl();
+    }
+
+    @Override
+    public void resetDuplicateCheck(Task task) {
+        rebuildBloomFilter();
+    }
+
+    @Override
+    public int getTotalRequestsCount(Task task) {
+        return counter.get();
+    }
+}

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/component/DuplicateRemover.java

+package us.codecraft.webmagic.scheduler.component;
+
+import us.codecraft.webmagic.Request;
+import us.codecraft.webmagic.Task;
+
+/**
+ * Remove duplicate requests.
+ * @author code4crafer@gmail.com
+ * @since 0.5.1
+ */
+public interface DuplicateRemover {
+    /**
+     *
+     * Check whether the request is duplicate.
+     *
+     * @param request
+     * @param task
+     * @return
+     */
+    public boolean isDuplicate(Request request, Task task);
+
+    /**
+     * Reset duplicate check.
+     * @param task
+     */
+    public void resetDuplicateCheck(Task task);
+
+    /**
+     * Get TotalRequestsCount for monitor.
+     * @param task
+     * @return
+     */
+    public int getTotalRequestsCount(Task task);
+
+}

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/LocalDuplicatedRemoveScheduler.java → webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/component/HashSetDuplicateRemover.java

-package us.codecraft.webmagic.scheduler;
+package us.codecraft.webmagic.scheduler.component;
 
 import com.google.common.collect.Sets;
 import us.codecraft.webmagic.Request;
@@ -8,23 +8,24 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * Base Scheduler with duplicated urls removed by hash set.<br></br>
- *
- * @author code4crafter@gmail.com
- * @since 0.5.0
+ * @author code4crafer@gmail.com
  */
-public abstract class LocalDuplicatedRemoveScheduler extends DuplicatedRemoveScheduler implements MonitorableScheduler {
+public class HashSetDuplicateRemover implements DuplicateRemover {
 
     private Set<String> urls = Sets.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
 
     @Override
-    public void resetDuplicateCheck(Task task) {
-        urls.clear();
+    public boolean isDuplicate(Request request, Task task) {
+        return !urls.add(getUrl(request));
+    }
+
+    protected String getUrl(Request request) {
+        return request.getUrl();
     }
 
     @Override
-    protected boolean isDuplicate(Request request, Task task) {
-        return urls.add(request.getUrl());
+    public void resetDuplicateCheck(Task task) {
+        urls.clear();
     }
 
     @Override

webmagic-core/src/main/java/us/codecraft/webmagic/scheduler/component/package.html

+<html>
+	<body>
+Component of scheduler.
+	</body>
+</html>

webmagic-core/src/main/java/us/codecraft/webmagic/utils/FilePersistentBase.java

@@ -22,10 +22,10 @@ public class FilePersistentBase {
     }
 
     public void setPath(String path) {
-        this.path = path;
         if (!path.endsWith(PATH_SEPERATOR)) {
             path += PATH_SEPERATOR;
         }
+        this.path = path;
     }
 
     public File getFile(String fullName) {

webmagic-core/src/test/java/us/codecraft/webmagic/scheduler/BloomFilterDuplicateRemoverTest.java

+package us.codecraft.webmagic.scheduler;
+
+import org.junit.Ignore;
+import org.junit.Test;
+import us.codecraft.webmagic.Request;
+import us.codecraft.webmagic.scheduler.component.BloomFilterDuplicateRemover;
+import us.codecraft.webmagic.scheduler.component.DuplicateRemover;
+import us.codecraft.webmagic.scheduler.component.HashSetDuplicateRemover;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author code4crafer@gmail.com
+ */
+public class BloomFilterDuplicateRemoverTest {
+
+    @Test
+    public void testRemove() throws Exception {
+        BloomFilterDuplicateRemover bloomFilterDuplicateRemover = new BloomFilterDuplicateRemover(10);
+        boolean isDuplicate = bloomFilterDuplicateRemover.isDuplicate(new Request("a"), null);
+        assertThat(isDuplicate).isFalse();
+        isDuplicate = bloomFilterDuplicateRemover.isDuplicate(new Request("a"), null);
+        assertThat(isDuplicate).isTrue();
+        isDuplicate = bloomFilterDuplicateRemover.isDuplicate(new Request("b"), null);
+        assertThat(isDuplicate).isFalse();
+        isDuplicate = bloomFilterDuplicateRemover.isDuplicate(new Request("b"), null);
+        assertThat(isDuplicate).isTrue();
+
+    }
+
+    @Ignore("long time")
+    @Test
+    public void testMemory() throws Exception {
+        int times = 5000000;
+        DuplicateRemover duplicateRemover = new BloomFilterDuplicateRemover(times,0.005);
+        long freeMemory = Runtime.getRuntime().freeMemory();
+        long time = System.currentTimeMillis();
+        for (int i = 0; i < times; i++) {
+            duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
+        }
+        System.out.println("Time used by bloomfilter:" + (System.currentTimeMillis() - time));
+        System.out.println("Memory used by bloomfilter:" + (freeMemory - Runtime.getRuntime().freeMemory()));
+
+        duplicateRemover = new HashSetDuplicateRemover();
+        System.gc();
+        freeMemory = Runtime.getRuntime().freeMemory();
+        time = System.currentTimeMillis();
+        for (int i = 0; i < times; i++) {
+            duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
+        }
+        System.out.println("Time used by hashset:" + (System.currentTimeMillis() - time));
+        System.out.println("Memory used by hashset:" + (freeMemory - Runtime.getRuntime().freeMemory()));
+    }
+
+    @Ignore("long time")
+    @Test
+    public void testMissHit() throws Exception {
+        int times = 5000000;
+        DuplicateRemover duplicateRemover = new BloomFilterDuplicateRemover(times, 0.01);
+        int right = 0;
+        int wrong = 0;
+        int missCheck = 0;
+        for (int i = 0; i < times; i++) {
+            boolean duplicate = duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
+            if (duplicate) {
+                wrong++;
+            } else {
+                right++;
+            }
+            duplicate = duplicateRemover.isDuplicate(new Request(String.valueOf(i)), null);
+            if (!duplicate) {
+                missCheck++;
+            }
+        }
+
+        System.out.println("Right count: " + right + " Wrong count: " + wrong + " Miss check: " + missCheck);
+    }
+
+
+}

webmagic-extension/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <groupId>us.codecraft</groupId>
         <artifactId>webmagic-parent</artifactId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/FileCacheQueueScheduler.java

@@ -2,8 +2,6 @@ package us.codecraft.webmagic.scheduler;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.math.NumberUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import us.codecraft.webmagic.Request;
 import us.codecraft.webmagic.Task;
 
@@ -23,9 +21,7 @@ import java.util.concurrent.atomic.AtomicInteger;
  * @author code4crafter@gmail.com <br>
  * @since 0.2.0
  */
-public class FileCacheQueueScheduler extends LocalDuplicatedRemoveScheduler {
-
-    private Logger logger = LoggerFactory.getLogger(getClass());
+public class FileCacheQueueScheduler extends DuplicateRemovedScheduler implements MonitorableScheduler {
 
     private String filePath = System.getProperty("java.io.tmpdir");
 
@@ -166,4 +162,9 @@ public class FileCacheQueueScheduler extends LocalDuplicatedRemoveScheduler {
     public int getLeftRequestsCount(Task task) {
         return queue.size();
     }
+
+    @Override
+    public int getTotalRequestsCount(Task task) {
+        return getDuplicateRemover().getTotalRequestsCount(task);
+    }
 }

webmagic-extension/src/main/java/us/codecraft/webmagic/scheduler/RedisScheduler.java

@@ -7,6 +7,7 @@ import redis.clients.jedis.JedisPool;
 import redis.clients.jedis.JedisPoolConfig;
 import us.codecraft.webmagic.Request;
 import us.codecraft.webmagic.Task;
+import us.codecraft.webmagic.scheduler.component.DuplicateRemover;
 
 /**
  * Use Redis as url scheduler for distributed crawlers.<br>
@@ -14,7 +15,7 @@ import us.codecraft.webmagic.Task;
  * @author code4crafter@gmail.com <br>
  * @since 0.2.0
  */
-public class RedisScheduler extends DuplicatedRemoveScheduler implements MonitorableScheduler {
+public class RedisScheduler extends DuplicateRemovedScheduler implements MonitorableScheduler, DuplicateRemover {
 
     private JedisPool pool;
 
@@ -25,11 +26,12 @@ public class RedisScheduler extends DuplicatedRemoveScheduler implements Monitor
     private static final String ITEM_PREFIX = "item_";
 
     public RedisScheduler(String host) {
-        pool = new JedisPool(new JedisPoolConfig(), host);
+        this(new JedisPool(new JedisPoolConfig(), host));
     }
 
     public RedisScheduler(JedisPool pool) {
         this.pool = pool;
+        setDuplicateRemover(this);
     }
 
     @Override
@@ -43,10 +45,10 @@ public class RedisScheduler extends DuplicatedRemoveScheduler implements Monitor
     }
 
     @Override
-    protected boolean isDuplicate(Request request, Task task) {
+    public boolean isDuplicate(Request request, Task task) {
         Jedis jedis = pool.getResource();
         try {
-            boolean isDuplicate = !jedis.sismember(getSetKey(task), request.getUrl());
+            boolean isDuplicate = jedis.sismember(getSetKey(task), request.getUrl());
             if (!isDuplicate) {
                 jedis.sadd(getSetKey(task), request.getUrl());
             }

webmagic-samples/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-samples/src/main/java/us/codecraft/webmagic/samples/AmanzonPageProcessor.java

+package us.codecraft.webmagic.samples;
+
+import us.codecraft.webmagic.Page;
+import us.codecraft.webmagic.Site;
+import us.codecraft.webmagic.Spider;
+import us.codecraft.webmagic.processor.PageProcessor;
+import us.codecraft.webmagic.selector.Html;
+
+import java.util.List;
+
+/**
+ * @author code4crafer@gmail.com
+ */
+public class AmanzonPageProcessor implements PageProcessor{
+    public void process(Page page) {
+
+        Html html = page.getHtml();
+        List<String> questionList =  html.xpath("//table[@class='tgCustomerCommunityCenterColumn']//div[@class='content']//table[@class='dataGrid']//tr").all();
+
+        if(questionList != null && questionList.size() > 1)
+        {
+            //i=0是列名称，所以i从1开始
+            for( int i = 1 ; i < questionList.size(); i++)
+            {
+                System.out.println(questionList.get(i));
+                Html tempHtml =  Html.create("<table>"+questionList.get(i)+"</table>");
+                String comment = tempHtml.xpath("//td[@class='title']//a/text()").toString();
+                System.out.println(comment);
+                String answerNum =  tempHtml.xpath("//td[@class='num']/text()").toString();
+                System.out.println(answerNum);
+                String createTime = tempHtml.xpath("//td[3]/text()").toString();
+                System.out.println(createTime);
+
+				/* Document doc = Jsoup.parse(questionList.get(i));
+				 Html hmt  = Html.create(questionList.get(i)) ;
+			     String str = hmt.links().toString();
+				  String   content =   doc.getElementsByTag("a").text();
+				  String ss = doc.text();*/
+
+            }
+        }
+
+    }
+
+    @Override
+    public Site getSite() {
+        return Site.me();
+    }
+
+    public static void main(String[] args) {
+        Spider.create(new AmanzonPageProcessor()).test("http://www.amazon.de/forum/Fx27CUFD8S7LJ5D");
+    }
+}

webmagic-samples/src/main/java/us/codecraft/webmagic/samples/GithubRepo.java

+package us.codecraft.webmagic.samples;
+
+/**
+ * @author code4crafer@gmail.com
+ */
+public class GithubRepo {
+
+    private String name;
+
+    private String author;
+
+    private String readme;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getReadme() {
+        return readme;
+    }
+
+    public void setReadme(String readme) {
+        this.readme = readme;
+    }
+}
\ No newline at end of file

webmagic-samples/src/main/java/us/codecraft/webmagic/samples/GithubRepoPageProcessor.java

+package us.codecraft.webmagic.samples;
+
+import us.codecraft.webmagic.Page;
+import us.codecraft.webmagic.Site;
+import us.codecraft.webmagic.Spider;
+import us.codecraft.webmagic.processor.PageProcessor;
+
+/**
+ * @author code4crafter@gmail.com <br>
+ * @since 0.5.1
+ */
+public class GithubRepoPageProcessor implements PageProcessor {
+
+    private Site site = Site.me().setRetryTimes(3).setSleepTime(0);
+
+    @Override
+    public void process(Page page) {
+        page.addTargetRequests(page.getHtml().links().regex("(https://github\\.com/\\w+/\\w+)").all());
+        page.addTargetRequests(page.getHtml().links().regex("(https://github\\.com/\\w+)").all());
+        GithubRepo githubRepo = new GithubRepo();
+        githubRepo.setAuthor(page.getUrl().regex("https://github\\.com/(\\w+)/.*").toString());
+        githubRepo.setName(page.getHtml().xpath("//h1[@class='entry-title public']/strong/a/text()").toString());
+        githubRepo.setReadme(page.getHtml().xpath("//div[@id='readme']/tidyText()").toString());
+        if (githubRepo.getName() == null) {
+            //skip this page
+            page.setSkip(true);
+        } else {
+            page.putField("repo", githubRepo);
+        }
+    }
+
+    @Override
+    public Site getSite() {
+        return site;
+    }
+
+    public static void main(String[] args) {
+        Spider.create(new GithubRepoPageProcessor()).addUrl("https://github.com/code4craft").thread(5).run();
+    }
+}

webmagic-samples/src/main/java/us/codecraft/webmagic/samples/OschinaBlogPageProcesser.java

@@ -3,8 +3,12 @@ package us.codecraft.webmagic.samples;
 import us.codecraft.webmagic.Page;
 import us.codecraft.webmagic.Site;
 import us.codecraft.webmagic.Spider;
+import us.codecraft.webmagic.monitor.SpiderMonitor;
 import us.codecraft.webmagic.processor.PageProcessor;
+import us.codecraft.webmagic.scheduler.QueueScheduler;
+import us.codecraft.webmagic.scheduler.component.BloomFilterDuplicateRemover;
 
+import javax.management.JMException;
 import java.util.List;
 
 /**
@@ -29,7 +33,9 @@ public class OschinaBlogPageProcesser implements PageProcessor {
 
     }
 
-    public static void main(String[] args) {
-        Spider.create(new OschinaBlogPageProcesser()).run();
+    public static void main(String[] args) throws JMException {
+        Spider spider = Spider.create(new OschinaBlogPageProcesser()).setScheduler(new QueueScheduler().setDuplicateRemover(new BloomFilterDuplicateRemover(2000)));
+        SpiderMonitor.instance().register(spider);
+        spider.run();
     }
 }

webmagic-samples/src/main/java/us/codecraft/webmagic/samples/pipeline/ReplacePipeline.java

+package us.codecraft.webmagic.samples.pipeline;
+
+/**
+ * @author code4crafer@gmail.com
+ */
+public class ReplacePipeline {
+}

webmagic-saxon/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-scripts/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

webmagic-selenium/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>webmagic-parent</artifactId>
         <groupId>us.codecraft</groupId>
-        <version>0.5.0</version>
+        <version>0.5.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

zh_docs/README.md

@@ -41,12 +41,12 @@ webmagic使用maven管理依赖，在项目中添加对应的依赖即可使用w
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-core</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 <dependency>
     <groupId>us.codecraft</groupId>
     <artifactId>webmagic-extension</artifactId>
-    <version>0.5.0</version>
+    <version>0.5.1</version>
 </dependency>
 ```
         
@@ -192,6 +192,7 @@ webmagic遵循[Apache 2.0协议](http://opensource.org/licenses/Apache-2.0)
 * [lidongyang](http://my.oschina.net/lidongyang)
 * [seveniu](https://github.com/seveniu)
 * [sebastian1118](https://github.com/sebastian1118)
+* [codev777](https://github.com/codev777)
 
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