创建免认证的HttpClient

目标：构建免SSL认证的HttpClient

JDK：Java8

依赖jar包：

<dependency>
			<groupId>org.apache.httpcomponents</groupId>
			<artifactId>httpclient</artifactId>
			<version>4.4.1</version>
		</dependency>

Java代码：

import javax.net.ssl.SSLContext;

import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.ssl.SSLContextBuilder;

public class HttpClientUtil {

	/**
	 * 构建免认证的HttpClient
	 * @param user
	 * @param password
	 * @return
	 */
	public static CloseableHttpClient getNoopSSLClient(String user, String password) {
		HttpClientBuilder clientBuilder = HttpClientBuilder.create();

		//设置认证
		AuthScope authScope = new AuthScope(AuthScope.ANY_HOST,
				AuthScope.ANY_PORT);		
		UsernamePasswordCredentials usernamePasswordCredentials = new UsernamePasswordCredentials(
				user, password);
		CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
		credentialsProvider.setCredentials(authScope,
				usernamePasswordCredentials);
		clientBuilder.setDefaultCredentialsProvider(credentialsProvider);

		// 设置免认证的SSLConnectionSocketFactory
		clientBuilder.setSSLSocketFactory(getNoopSSLConnectionSocketFactory());

		return clientBuilder.build();
	}

	/**
	 * 构建免认证的SSLConnectionSocketFactory
	 * @return
	 */
	private static SSLConnectionSocketFactory getNoopSSLConnectionSocketFactory() {
		SSLContext sslContext;
		try {
			sslContext = new SSLContextBuilder().loadTrustMaterial(null,
			/*
			 * 传统方式构建匿名内部类
			 * new TrustStrategy() { public boolean isTrusted(X509Certificate[]
			 * chain, String authType) throws CertificateException { return
			 * true; } }
			 */
			//采用Java8 lambda表达式 ->
			(chain, authType) -> true).build();

			// trust all hosts
			return new SSLConnectionSocketFactory(sslContext,
					NoopHostnameVerifier.INSTANCE);
		} catch (Exception e) {
			e.printStackTrace();
		}

		return null;
	}
}