android获取URLConnection和HttpClient网络请求响应码
2012-01-12 16:15
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前段时间，有朋友问我网络请求怎么监听超时，这个我当时也没有没有做过，就认为是try....catch...获取异常，结果发现没有获取到，今天有时间，研究了一下，发现是从响应中来获取的对象中获取的，下面我把自己写的URLConnection和HttpClient网络请求响应码的实体共享给大家，希望对大家有帮助！
上面就是详细的代码，如果使用过程中有问题，请联系我 !
QQ:840950105
Email:vipa1888@163.com
package com.zhangke.product.platform.http.json;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.http.Header;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionRequest;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import com.zhangke.product.platform.util.NetworkUtil;
import android.content.Context;
import android.util.Log;
/**
* @author spring sky
* QQ 840950105
* Email :vipa1888@163.com
* 版权：spring sky
* This class use in for request server and get server respnonse data
*
*
*/
public class NetWork {
/**
* 网络请求响应码
* <br>
*/
private int responseCode = 1;
/**
* 408为网络超时
*/
public static final int REQUEST_TIMEOUT_CODE = 408;
/**
* 请求字符编码
*/
private static final String CHARSET = "utf-8";
/**
* 请求服务器超时时间
*/
private static final int REQUEST_TIME_OUT = 1000*10;
/**
* 读取响应的数据时间
*/
private static final int READ_TIME_OUT = 1000*5;
private Context context ;
public NetWork(Context context) {
super();
this.context = context;
}
/**
* inputstream to String type
* @param is
* @return
*/
public String getString(InputStream is )
{
String str = null;
try {
if(is!=null)
{
BufferedReader br = new BufferedReader(new InputStreamReader(is, CHARSET));
String line = null;
StringBuffer sb = new StringBuffer();
while((line=br.readLine())!=null)
{
sb.append(line);
}
str = sb.toString();
if(str.startsWith("<html>")) //获取xml或者json数据，如果获取到的数据为xml，则为null
{
str = null;
}
}
} catch (Exception e) {
e.printStackTrace();
}
return str;
}
/**
* httpClient request type
* @param requestURL
* @param map
* @return
*/
public InputStream requestHTTPClient(String requestURL,Map<String, String> map)
{
InputStream inputStream = null;
/**
* 添加超时时间
*/
BasicHttpParams httpParams = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParams, REQUEST_TIME_OUT);
HttpConnectionParams.setSoTimeout(httpParams, READ_TIME_OUT);
HttpClient httpClient = new DefaultHttpClient(httpParams);
if (NetworkUtil.getNetworkType() == NetworkUtil.WAP_CONNECTED) {
HttpHost proxy = new HttpHost("10.0.0.172", 80);
httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,
proxy);
}
HttpPost httpPost = new HttpPost(requestURL);
httpPost.setHeader("Charset", CHARSET);
httpPost.setHeader("Content-Type","application/x-www-form-urlencoded");
List<BasicNameValuePair> list = new ArrayList<BasicNameValuePair>();
Iterator<String> it = map.keySet().iterator();
while(it.hasNext())
{
String key = it.next();
String value = map.get(key);
Log.e("request server ", key+"="+value);
list.add(new BasicNameValuePair(key, value));
}
try {
httpPost.setEntity(new UrlEncodedFormEntity(list,CHARSET));
HttpResponse response =httpClient.execute(httpPost);
inputStream = response.getEntity().getContent();
responseCode = response.getStatusLine().getStatusCode(); //获取响应码
Log.e("response code", response.getStatusLine().getStatusCode()+"");
// Header[] headers = response.getAllHeaders(); //获取header中的数据
// for (int i = 0; i < headers.length; i++) {
// Header h = headers[i];
// Log.e("request heads", h.getName()+"="+h.getValue()+" ");
// }
} catch (Exception e) {
inputStream = null;
e.printStackTrace();
}
return inputStream;
}
/**
* url request type
* @param requestURL
* @param map
* @return
*/
public InputStream requestHTTPURL(String requestURL,Map<String,String> map )
{
InputStream inputStream = null;
URL url = null;
URLConnection urlconn = null;
HttpURLConnection conn = null;
try {
url = new URL(requestURL);
if (NetworkUtil.getNetworkType() == NetworkUtil.WAP_CONNECTED) {
Proxy proxy = new Proxy(java.net.Proxy.Type.HTTP,
new InetSocketAddress("10.0.0.172", 80));
urlconn = url.openConnection(proxy);
}else{
urlconn = url.openConnection();
}
conn = (HttpURLConnection) urlconn;
if(conn!=null)
{
conn.setReadTimeout(READ_TIME_OUT);
conn.setConnectTimeout(REQUEST_TIME_OUT);
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setRequestProperty("Charset", CHARSET);
conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
OutputStream os = conn.getOutputStream();
StringBuffer sb = new StringBuffer();
Iterator<String> it = map.keySet().iterator();
while(it.hasNext())
{
String key = it.next();
String value = map.get(key);
Log.e("request server ", key+"="+value);
sb.append(key).append("=").append(value).append("&");
}
String params = sb.toString().substring(0, sb.toString().length()-1);
os.write(params.getBytes());
os.close();
inputStream = conn.getInputStream();
Log.e("response code", conn.getResponseCode()+"");
responseCode = conn.getResponseCode(); //获取响应码
// Map<String, List<String>> headers = conn.getHeaderFields(); //获取header中的数据
// Iterator<String> is = headers.keySet().iterator();
// while(is.hasNext())
// {
// String key = is.next();
// List<String> values = headers.get(key);
// String value = "";
// for (int i = 0; i < values.size(); i++) {
// value+= values.get(i);
// }
// Log.e("request heads",key+"="+value+" ");
// }
}
} catch (Exception e) {
inputStream = null;
e.printStackTrace();
}
return inputStream;
}
/**
* 网络请求响应码
*/
public int getResponseCode()
{
return responseCode ;
}
}上面就是详细的代码，如果使用过程中有问题，请联系我 !
QQ:840950105
Email:vipa1888@163.com
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