HttpHelperCore.java
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package com.ectrip.trips.net;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import com.ectrip.cyt.callback.HttpCallback;
/**
* @author jigo 网络访问核心类
*/
public class HttpHelperCore {
// 引入线程池来管理多线程
public ExecutorService executorService = Executors.newFixedThreadPool(3);
/**
* Post 网络请求
*
* @param <T1>
* @param <T2>
*
* @param url
* 域名
* @param method
* 方法
* @param errorData
* 这个参数是判断fastJson 解析的数据是否正确，如果数据为空的情况下，返回失败
* @param map
* 参数
*/
public <T> void executeHttpPost(String url,String method,
HashMap<String, String> map,HttpCallback<T> resultListener,
String errorData,Class<T> cls) {
// 用于子线程与主线程通信的Handler
final HttpPostHandler<T> mHandler = new HttpPostHandler<T>(
resultListener);
executorService.submit(new HttpPostRunnable<T>(resultListener, url,
method, map, mHandler,errorData,cls));
}
/**
* 判断对象或对象数组中每一个对象是否为空: 对象为null，字符序列长度为0，集合类、Map为empty
*
* @param obj
* @return
*/
public static boolean isNullOrEmpty(Object obj) {
if (obj == null)
return true;
if (obj instanceof CharSequence)
return ((CharSequence) obj).length() == 0;
if (obj instanceof Collection)
return ((Collection) obj).isEmpty();
if (obj instanceof Map)
return ((Map) obj).isEmpty();
if (obj.getClass().isArray()) {
return Array.getLength(obj) == 0;
}
if (obj instanceof Object[]) {
Object[] object = (Object[]) obj;
if (object.length == 0) {
return true;
}
boolean empty = true;
for (int i = 0; i < object.length; i++) {
if (!isNullOrEmpty(object[i])) {
empty = false;
break;
}
}
return empty;
}
return false;
}
}