package com.elphin.framework.util.http;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
import org.apache.http.HttpHost;
import org.apache.http.NameValuePair;
import org.apache.http.conn.params.ConnRouteParams;
import org.apache.http.params.HttpParams;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
/**
* 网络工具类
*
* @author elphin
* @version 1.0
* @date 2011-1-19
*/
public class HttpUtils
{
public static final int TYPE_WAP = 1;
public static final int TYPE_NET = 2;
public static final int TYPE_UNKNOWN = 3;
public static final String WAP = "wap";
public static final String NET = "net";
public final static String http = "http://";
public final static String https = "https://";
public static final String PROXY_IP = "10.0.0.172";
/**
* 默认的代理端口号
*/
public final static int DEFAULT_PROXY_PORT = 80;
public final static int HTTP_OK_CODE = 202;
/**
* build parameter list string in http url. Eg. k1=v1&k2=v2...
*
* @param params
* list of key-value pair.
* @return Return the parameter string in url.
*/
public static String buildParamListInHttpRequest(List<NameValuePair> params)
{
StringBuffer sb = new StringBuffer();
for (int index = 0; index < params.size(); index++)
{
sb.append(params.get(index).getName());
sb.append("=");
sb.append(params.get(index).getValue());
if (index < params.size() - 1)
{
sb.append("&");
}
}
return sb.toString();
}
public static boolean isHttp(final String s) {
if (s == null) {
return false;
}
return s.startsWith(http);
}
public static boolean isHttps(final String s) {
if (s == null) {
return false;
}
return s.startsWith(https);
}
public static boolean isWap(final Context context)
{
if(context == null)
{
return false;
}
final NetworkInfo info = NetworkUtil.getActiveNetworkInfo(context);
if(info != null && info.getExtraInfo() != null)
{
return info.getExtraInfo().endsWith(WAP);
}
else
{
return false;
}
}
/**
* 获取是否是wap或者net
* @param context
* @return
*/
public static int getNetType(final Context context)
{
if(context == null)
{
return TYPE_UNKNOWN;
}
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
final NetworkInfo info = connectivityManager.getActiveNetworkInfo();
if(info != null && info.getExtraInfo() != null)
{
final String extraInfo = info.getExtraInfo();
if(extraInfo.endsWith(WAP))
{
return TYPE_WAP;
}
else if(extraInfo.endsWith(NET))
{
return TYPE_NET;
}
else
{
return TYPE_UNKNOWN;
}
}
else
{
return TYPE_UNKNOWN;
}
}
/**
* 根据当前网络状态填充代理
* @param context
* @param httpParams
*/
public static void fillProxy(final Context context, final HttpParams httpParams)
{
final NetworkInfo networkInfo = NetworkUtil.getActiveNetworkInfo(context);
if (networkInfo == null || networkInfo.getExtraInfo() == null) {
return;
}
String info = networkInfo.getExtraInfo().toLowerCase(); //3gnet/3gwap/uninet/uniwap/cmnet/cmwap/ctnet/ctwap
// 先根据网络apn信息判断,并进行 proxy 自动补齐
if (info != null) {
if (info.startsWith("cmwap") || info.startsWith("uniwap") || info.startsWith("3gwap")) {
HttpHost proxy = new HttpHost("10.0.0.172", 80);
httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
return;
} else if (info.startsWith("ctwap")) {
HttpHost proxy = new HttpHost("10.0.0.200", 80);
httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
return;
} else if (info.startsWith("cmnet") || info.startsWith("uninet") || info.startsWith("ctnet")
|| info.startsWith("3gnet")) {
return;
} // else fall through
} // else fall through
// 如果没有 apn 信息，则根据 proxy代理判断。
// 由于android 4.2 对 "content://telephony/carriers/preferapn" 读取进行了限制，我们通过系统接口获取。
// 绝大部分情况下不会走到这里
// 此两个方法是deprecated的，但在4.2下仍可用
String defaultProxyHost = android.net.Proxy.getDefaultHost();
int defaultProxyPort = android.net.Proxy.getDefaultPort();
if (defaultProxyHost != null && defaultProxyHost.length() > 0) {
/*
* 无法根据 proxy host 还原 apn 名字 这里不设置 mApn
*/
if ("10.0.0.172".equals(defaultProxyHost.trim())) {
// 当前网络连接类型为cmwap || uniwap
HttpHost proxy = new HttpHost("10.0.0.172", defaultProxyPort);
httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
} else if ("10.0.0.200".equals(defaultProxyHost.trim())) {
HttpHost proxy = new HttpHost("10.0.0.200", 80);
httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
} else {
}
} else {
// 其它网络都看作是net
}
}
// public static void fillProxy(final Context context, final HttpParams httpParams)
// {
// // 用APN的方式去获取
// try
// {
// Uri uri = Uri.parse("content://telephony/carriers/preferapn"); // 获取当前正在使用的APN接入点
// Cursor mCursor = null;
// try
// {
// mCursor = context.getContentResolver().query(uri, null, null, null, null);
// if (mCursor != null)
// {
// boolean b = mCursor.moveToNext(); // 游标一直第一条记录，当前只有一条
// if (b)
// {
// String proxyStr = mCursor.getString(mCursor.getColumnIndex("proxy"));// 有可能报错
// if (proxyStr != null && proxyStr.trim().length() > 0)
// {
// HttpHost proxy = new HttpHost(proxyStr, DEFAULT_PROXY_PORT);
// httpParams.setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);
// }
// }
// }
// }
// finally
// {
// if(mCursor != null && !mCursor.isClosed())
// {
// mCursor.close();
// }
// }
// }
// catch(Exception e)
// {
// }
// }
/**
* parse integer text and get positive integer from it.
*
* @param intValue
* integer string
*
* @return positive integer and zero. return zero if exception or parsed
* integer is negative.
*/
public static int safePositiveInteger(String intValue)
{
int value = 0;
try
{
value = Integer.parseInt(intValue);
if (value < 0)
{
value = 0;
}
}
catch (NumberFormatException e)
{
value = 0;
}
return value;
}
public static Date strToDate(String str) throws ParseException
{
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
return sdf.parse(str);
}
/**
* parse long text and get positive integer from it.
*
* @param longValue
* long string
*
* @return positive long and zero. return zero if exception or parsed long
* is negative.
*/
public static long safePositiveLong(String longValue)
{
long value = 0;
try
{
value = Long.parseLong(longValue);
if (value < 0)
{
value = 0;
}
}
catch (NumberFormatException e)
{
value = 0;
}
return value;
}
/**
* 字符串替换
* @param strVal 源
* @param tagList 需要被替换的字符串列表
* @return 替换完成的字符串
*/
public static String filterXmlTags(String strVal, List<String> tagList)
{
String newVal = strVal;
if (tagList != null)
{
for (String tag : tagList)
{
String startTag = "<" + tag + ">";
String endTag = "</" + tag + ">";
newVal = newVal.replaceAll(startTag, "");
newVal = newVal.replaceAll(endTag, "");
}
}
return newVal;
}
/**
* 获取网络类型，GSM等
* @param context 上下文
* @return
*/
public static String getNetworkType(Context context)
{
TelephonyManager tm = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
int networkType = tm.getNetworkType();
String type = "";
switch (networkType)
{
case TelephonyManager.NETWORK_TYPE_1xRTT:
type = "1xRTT";
break;
case TelephonyManager.NETWORK_TYPE_CDMA:
type = "CDMA";
break;
case TelephonyManager.NETWORK_TYPE_EDGE:
type = "EDGE";
break;
case TelephonyManager.NETWORK_TYPE_EVDO_0:
type = "EVDO 0";
break;
case TelephonyManager.NETWORK_TYPE_EVDO_A:
type = "EVDO A";
break;
case TelephonyManager.NETWORK_TYPE_GPRS:
type = "GPRS";
break;
// case TelephonyManager.NETWORK_TYPE_HSDPA:
// type = "HSDPA";
// break;
// case TelephonyManager.NETWORK_TYPE_HSPA:
// type = "HSPA";
// break;
// case TelephonyManager.NETWORK_TYPE_HSUPA:
// type = "HSUPA";
// break;
case TelephonyManager.NETWORK_TYPE_UMTS:
type = "UMTS";
break;
case TelephonyManager.NETWORK_TYPE_UNKNOWN:
default:
type = "UNKNOWN";
break;
}
return type;
}
}