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package me.chanjar.weixin.common.util.http; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.http.annotation.NotThreadSafe; |
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import org.apache.http.auth.AuthScope; |
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import org.apache.http.auth.UsernamePasswordCredentials; |
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import org.apache.http.client.CredentialsProvider; |
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import org.apache.http.client.HttpRequestRetryHandler; |
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import org.apache.http.client.config.RequestConfig; |
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import org.apache.http.config.Registry; |
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import org.apache.http.config.RegistryBuilder; |
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import org.apache.http.config.SocketConfig; |
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import org.apache.http.conn.DnsResolver; |
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import org.apache.http.conn.HttpClientConnectionManager; |
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import org.apache.http.conn.socket.ConnectionSocketFactory; |
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import org.apache.http.conn.socket.PlainConnectionSocketFactory; |
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory; |
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import org.apache.http.impl.client.BasicCredentialsProvider; |
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import org.apache.http.impl.client.CloseableHttpClient; |
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import org.apache.http.impl.client.HttpClientBuilder; |
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import org.apache.http.impl.client.HttpClients; |
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import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; |
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import org.apache.http.protocol.HttpContext; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.io.IOException; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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/** |
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* httpclient 连接管理器 自带DNS解析 |
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* |
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* 大部分代码拷贝自:DefaultApacheHttpClientBuilder |
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* |
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* @author Andy.Huo |
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*/ |
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@NotThreadSafe |
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public class ApacheHttpDnsClientBuilder implements ApacheHttpClientBuilder { |
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protected final Logger log = LoggerFactory.getLogger(ApacheHttpDnsClientBuilder.class); |
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private final AtomicBoolean prepared = new AtomicBoolean(false); |
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private int connectionRequestTimeout = 3000; |
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private int connectionTimeout = 5000; |
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private int soTimeout = 5000; |
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private int idleConnTimeout = 60000; |
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private int checkWaitTime = 60000; |
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private int maxConnPerHost = 10; |
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private int maxTotalConn = 50; |
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private String userAgent; |
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private DnsResolver dnsResover; |
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private HttpRequestRetryHandler httpRequestRetryHandler = new HttpRequestRetryHandler() { |
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@Override |
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public boolean retryRequest(IOException exception, int executionCount, HttpContext context) { |
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return false; |
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} |
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}; |
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private SSLConnectionSocketFactory sslConnectionSocketFactory = SSLConnectionSocketFactory.getSocketFactory(); |
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private PlainConnectionSocketFactory plainConnectionSocketFactory = PlainConnectionSocketFactory.getSocketFactory(); |
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private String httpProxyHost; |
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private int httpProxyPort; |
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private String httpProxyUsername; |
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private String httpProxyPassword; |
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/** |
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* 闲置连接监控线程 |
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*/ |
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private IdleConnectionMonitorThread idleConnectionMonitorThread; |
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private HttpClientBuilder httpClientBuilder; |
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private ApacheHttpDnsClientBuilder() { |
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} |
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public static ApacheHttpDnsClientBuilder get() { |
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return new ApacheHttpDnsClientBuilder(); |
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} |
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@Override |
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public ApacheHttpClientBuilder httpProxyHost(String httpProxyHost) { |
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this.httpProxyHost = httpProxyHost; |
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return this; |
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} |
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@Override |
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public ApacheHttpClientBuilder httpProxyPort(int httpProxyPort) { |
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this.httpProxyPort = httpProxyPort; |
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return this; |
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} |
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@Override |
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public ApacheHttpClientBuilder httpProxyUsername(String httpProxyUsername) { |
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this.httpProxyUsername = httpProxyUsername; |
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return this; |
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} |
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@Override |
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public ApacheHttpClientBuilder httpProxyPassword(String httpProxyPassword) { |
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this.httpProxyPassword = httpProxyPassword; |
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return this; |
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} |
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@Override |
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public ApacheHttpClientBuilder sslConnectionSocketFactory(SSLConnectionSocketFactory sslConnectionSocketFactory) { |
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this.sslConnectionSocketFactory = sslConnectionSocketFactory; |
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return this; |
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} |
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/** |
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* 获取链接的超时时间设置,默认3000ms |
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* <p> |
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* 设置为零时不超时,一直等待. 设置为负数是使用系统默认设置(非上述的3000ms的默认值,而是httpclient的默认设置). |
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* </p> |
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* |
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* @param connectionRequestTimeout |
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* 获取链接的超时时间设置(单位毫秒),默认3000ms |
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*/ |
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public void setConnectionRequestTimeout(int connectionRequestTimeout) { |
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this.connectionRequestTimeout = connectionRequestTimeout; |
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} |
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/** |
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* 建立链接的超时时间,默认为5000ms.由于是在链接池获取链接,此设置应该并不起什么作用 |
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* <p> |
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* 设置为零时不超时,一直等待. 设置为负数是使用系统默认设置(非上述的5000ms的默认值,而是httpclient的默认设置). |
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* </p> |
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* |
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* @param connectionTimeout |
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* 建立链接的超时时间设置(单位毫秒),默认5000ms |
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*/ |
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public void setConnectionTimeout(int connectionTimeout) { |
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this.connectionTimeout = connectionTimeout; |
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} |
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/** |
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* 默认NIO的socket超时设置,默认5000ms. |
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* |
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* @param soTimeout |
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* 默认NIO的socket超时设置,默认5000ms. |
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* @see java.net.SocketOptions#SO_TIMEOUT |
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*/ |
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public void setSoTimeout(int soTimeout) { |
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this.soTimeout = soTimeout; |
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} |
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/** |
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* 空闲链接的超时时间,默认60000ms. |
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* <p> |
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* 超时的链接将在下一次空闲链接检查是被销毁 |
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* </p> |
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* |
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* @param idleConnTimeout |
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* 空闲链接的超时时间,默认60000ms. |
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*/ |
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public void setIdleConnTimeout(int idleConnTimeout) { |
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this.idleConnTimeout = idleConnTimeout; |
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} |
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/** |
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* 检查空间链接的间隔周期,默认60000ms. |
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* |
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* @param checkWaitTime |
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* 检查空间链接的间隔周期,默认60000ms. |
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*/ |
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public void setCheckWaitTime(int checkWaitTime) { |
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this.checkWaitTime = checkWaitTime; |
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} |
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/** |
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* 每路的最大链接数,默认10 |
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* |
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* @param maxConnPerHost |
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* 每路的最大链接数,默认10 |
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*/ |
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public void setMaxConnPerHost(int maxConnPerHost) { |
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this.maxConnPerHost = maxConnPerHost; |
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} |
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/** |
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* 最大总连接数,默认50 |
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* |
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* @param maxTotalConn |
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* 最大总连接数,默认50 |
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*/ |
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public void setMaxTotalConn(int maxTotalConn) { |
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this.maxTotalConn = maxTotalConn; |
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} |
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/** |
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* 自定义httpclient的User Agent |
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* |
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* @param userAgent |
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* User Agent |
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*/ |
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public void setUserAgent(String userAgent) { |
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this.userAgent = userAgent; |
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} |
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public IdleConnectionMonitorThread getIdleConnectionMonitorThread() { |
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return this.idleConnectionMonitorThread; |
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} |
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private synchronized void prepare() { |
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if (prepared.get()) { |
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return; |
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} |
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Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create() |
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.register("http", this.plainConnectionSocketFactory).register("https", this.sslConnectionSocketFactory) |
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.build(); |
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@SuppressWarnings("resource") |
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PoolingHttpClientConnectionManager connectionManager; |
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if(dnsResover != null){ |
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if(log.isDebugEnabled()){ |
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log.debug("specified dns resolver."); |
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} |
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connectionManager = new PoolingHttpClientConnectionManager(registry, dnsResover); |
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}else{ |
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if(log.isDebugEnabled()){ |
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log.debug("Not specified dns resolver."); |
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} |
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connectionManager = new PoolingHttpClientConnectionManager(registry); |
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} |
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connectionManager.setMaxTotal(this.maxTotalConn); |
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connectionManager.setDefaultMaxPerRoute(this.maxConnPerHost); |
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connectionManager |
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.setDefaultSocketConfig(SocketConfig.copy(SocketConfig.DEFAULT).setSoTimeout(this.soTimeout).build()); |
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this.idleConnectionMonitorThread = new IdleConnectionMonitorThread(connectionManager, this.idleConnTimeout, |
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this.checkWaitTime); |
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this.idleConnectionMonitorThread.setDaemon(true); |
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this.idleConnectionMonitorThread.start(); |
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this.httpClientBuilder = HttpClients.custom().setConnectionManager(connectionManager) |
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.setConnectionManagerShared(true) |
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.setDefaultRequestConfig(RequestConfig.custom().setSocketTimeout(this.soTimeout) |
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.setConnectTimeout(this.connectionTimeout) |
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.setConnectionRequestTimeout(this.connectionRequestTimeout).build()) |
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.setRetryHandler(this.httpRequestRetryHandler); |
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if (StringUtils.isNotBlank(this.httpProxyHost) && StringUtils.isNotBlank(this.httpProxyUsername)) { |
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// 使用代理服务器 需要用户认证的代理服务器 |
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CredentialsProvider provider = new BasicCredentialsProvider(); |
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provider.setCredentials(new AuthScope(this.httpProxyHost, this.httpProxyPort), |
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new UsernamePasswordCredentials(this.httpProxyUsername, this.httpProxyPassword)); |
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this.httpClientBuilder.setDefaultCredentialsProvider(provider); |
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} |
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if (StringUtils.isNotBlank(this.userAgent)) { |
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this.httpClientBuilder.setUserAgent(this.userAgent); |
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} |
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prepared.set(true); |
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} |
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@Override |
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public CloseableHttpClient build() { |
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if (!prepared.get()) { |
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prepare(); |
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} |
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return this.httpClientBuilder.build(); |
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} |
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public static class IdleConnectionMonitorThread extends Thread { |
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private final HttpClientConnectionManager connMgr; |
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private final int idleConnTimeout; |
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private final int checkWaitTime; |
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private volatile boolean shutdown; |
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public IdleConnectionMonitorThread(HttpClientConnectionManager connMgr, int idleConnTimeout, |
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int checkWaitTime) { |
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super("IdleConnectionMonitorThread"); |
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this.connMgr = connMgr; |
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this.idleConnTimeout = idleConnTimeout; |
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this.checkWaitTime = checkWaitTime; |
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} |
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@Override |
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public void run() { |
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try { |
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while (!this.shutdown) { |
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synchronized (this) { |
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wait(this.checkWaitTime); |
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this.connMgr.closeExpiredConnections(); |
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this.connMgr.closeIdleConnections(this.idleConnTimeout, TimeUnit.MILLISECONDS); |
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} |
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} |
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} catch (InterruptedException ignore) { |
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} |
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} |
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public void trigger() { |
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synchronized (this) { |
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notifyAll(); |
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} |
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} |
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public void shutdown() { |
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this.shutdown = true; |
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synchronized (this) { |
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notifyAll(); |
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} |
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} |
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} |
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public DnsResolver getDnsResover() { |
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return dnsResover; |
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} |
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public void setDnsResover(DnsResolver dnsResover) { |
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this.dnsResover = dnsResover; |
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} |
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} |