com.yuweix.kuafu.http.DefaultHttpRequestInterceptor Maven / Gradle / Ivy
package com.yuweix.kuafu.http;
import java.io.IOException;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;
import org.apache.http.protocol.HttpContext;
/**
* HTTP请求过滤器，在执行请求之前拦截HttpRequest和 HttpContext；
* @author yuwei
*/
public class DefaultHttpRequestInterceptor implements HttpRequestInterceptor {
private static volatile DefaultHttpRequestInterceptor instance = null;
private static final Lock lock = new ReentrantLock();
private DefaultHttpRequestInterceptor() {
}
public static DefaultHttpRequestInterceptor get() {
if (instance == null) {
lock.lock();
try {
if (instance == null) {
instance = new DefaultHttpRequestInterceptor();
}
} finally {
lock.unlock();
}
}
return instance;
}
@Override
public void process(HttpRequest request, HttpContext context) throws HttpException, IOException {
}
}