在spring项目中使用httpclient

duqi · duqi · commit 5a89b5e58691 · 2017-02-09T14:28:49.000+08:00
diff --git a/pom.xml b/pom.xml
@@ -20,6 +20,10 @@
         </plugins>
     </build>
 
+    <properties>
+        <spring.version>4.3.2.RELEASE</spring.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
@@ -47,17 +51,27 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>4.2.4.RELEASE</version>
+            <version>${spring.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-beans</artifactId>
-            <version>4.2.4.RELEASE</version>
+            <version>${spring.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
-            <version>4.2.4.RELEASE</version>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>${spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/org/java/learn/httpclient/HttpClientFactoryBean.java b/src/main/java/org/java/learn/httpclient/HttpClientFactoryBean.java
@@ -0,0 +1,60 @@
+package org.java.learn.httpclient;
+
+import org.apache.commons.codec.Charsets;
+import org.apache.http.NoHttpResponseException;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.config.ConnectionConfig;
+import org.apache.http.conn.ConnectTimeoutException;
+import org.apache.http.impl.client.HttpClients;
+import org.springframework.beans.factory.FactoryBean;
+
+import java.net.SocketTimeoutException;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: duqi
+ * Date: 2017/2/9
+ * Time: 13:54
+ */
+public class HttpClientFactoryBean implements FactoryBean<HttpClient> {
+
+    private static final int DEFAULT_MAX_TOTAL = 512;
+    private static final int DEFAULT_MAX_PER_ROUTE = 64;
+    private static final int DEFAULT_CONNECTION_TIMEOUT = 5000;
+    private static final int DEFAULT_SOCKET_TIMEOUT = 3000;
+
+    @Override
+    public HttpClient getObject() throws Exception {
+        ConnectionConfig config = ConnectionConfig.custom()
+            .setCharset(Charsets.UTF_8)
+            .build();
+
+        RequestConfig defaultRequestConfig = RequestConfig.custom()
+            .setConnectTimeout(DEFAULT_CONNECTION_TIMEOUT)
+            .setSocketTimeout(DEFAULT_SOCKET_TIMEOUT)
+            .build();
+
+        return HttpClients.custom()
+            .setMaxConnPerRoute(DEFAULT_MAX_PER_ROUTE)
+            .setMaxConnTotal(DEFAULT_MAX_TOTAL)
+            .setRetryHandler((exception, executionCount, context) -> executionCount <= 3 && (exception instanceof NoHttpResponseException
+                                                                                         || exception instanceof ClientProtocolException
+                                                                                         || exception instanceof SocketTimeoutException
+                                                                                         || exception instanceof ConnectTimeoutException))
+            .setDefaultConnectionConfig(config)
+            .setDefaultRequestConfig(defaultRequestConfig)
+            .build();
+    }
+
+    @Override
+    public Class<?> getObjectType() {
+        return HttpClient.class;
+    }
+
+    @Override
+    public boolean isSingleton() {
+        return true;
+    }
+}
diff --git a/src/main/resources/applicationContext.xml b/src/main/resources/applicationContext.xml
@@ -5,4 +5,7 @@
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
 
     <context:component-scan base-package="org.java.learn"/>
+
+    <bean id="httpClientFactoryBean" class="org.java.learn.httpclient.HttpClientFactoryBean"/>
+    <!--<bean id="httpClient" factory-bean="httpClientFactoryBean"/>-->
 </beans>
diff --git a/src/test/java/HttpClientFactoryBeanXmlTest.java b/src/test/java/HttpClientFactoryBeanXmlTest.java
@@ -0,0 +1,27 @@
+import org.apache.http.client.HttpClient;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import javax.annotation.Resource;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: duqi
+ * Date: 2017/2/9
+ * Time: 14:18
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = "classpath:applicationContext.xml")
+public class HttpClientFactoryBeanXmlTest {
+
+    @Resource
+    HttpClient httpClient;
+
+    @Test
+    public void httpClientAutoWired() throws Exception {
+        Assert.assertNotNull(httpClient);
+    }
+}
