package cn.enilu.flash.utils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
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.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Created by dell on 2015/1/13.
*/
public class HttpClients {
private static Logger logger = LoggerFactory.getLogger(HttpClients.class);
/**
* 封装HTTP POST方法
*
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String post(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
List<NameValuePair> formparams = setHttpParams(paramMap);
UrlEncodedFormEntity param = new UrlEncodedFormEntity(formparams, "UTF-8");
httpPost.setEntity(param);
HttpResponse response = httpClient.execute(httpPost);
String httpEntityContent = getHttpEntityContent(response);
httpPost.abort();
return httpEntityContent;
}
/**
* 封装HTTP POST方法
*
* @param
* @param （如JSON串）
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String post(String url, String data) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("Content-Type", "text/json; charset=utf-8");
httpPost.setEntity(new StringEntity(URLEncoder.encode(data, "UTF-8")));
HttpResponse response = httpClient.execute(httpPost);
String httpEntityContent = getHttpEntityContent(response);
httpPost.abort();
return httpEntityContent;
}
/**
* 封装HTTP GET方法
*
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String get(String url) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpGet httpGet = new HttpGet();
httpGet.setURI(URI.create(url));
HttpResponse response = httpClient.execute(httpGet);
String httpEntityContent = getHttpEntityContent(response);
httpGet.abort();
return httpEntityContent;
}
/**
* 封装HTTP GET方法
*
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String get(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpGet httpGet = new HttpGet();
List<NameValuePair> formparams = setHttpParams(paramMap);
String param = URLEncodedUtils.format(formparams, "UTF-8");
httpGet.setURI(URI.create(url + "?" + param));
HttpResponse response = httpClient.execute(httpGet);
String httpEntityContent = getHttpEntityContent(response);
httpGet.abort();
return httpEntityContent;
}
/**
* 封装HTTP PUT方法
*
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String put(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpPut httpPut = new HttpPut(url);
List<NameValuePair> formparams = setHttpParams(paramMap);
UrlEncodedFormEntity param = new UrlEncodedFormEntity(formparams, "UTF-8");
httpPut.setEntity(param);
HttpResponse response = httpClient.execute(httpPut);
String httpEntityContent = getHttpEntityContent(response);
httpPut.abort();
return httpEntityContent;
}
/**
* 封装HTTP DELETE方法
*
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String delete(String url) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpDelete httpDelete = new HttpDelete();
httpDelete.setURI(URI.create(url));
HttpResponse response = httpClient.execute(httpDelete);
String httpEntityContent = getHttpEntityContent(response);
httpDelete.abort();
return httpEntityContent;
}
/**
* 封装HTTP DELETE方法
*
* @param
* @param
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public static String delete(String url, Map<String, String> paramMap) throws ClientProtocolException, IOException {
HttpClient httpClient = new DefaultHttpClient();
HttpDelete httpDelete = new HttpDelete();
List<NameValuePair> formparams = setHttpParams(paramMap);
String param = URLEncodedUtils.format(formparams, "UTF-8");
httpDelete.setURI(URI.create(url + "?" + param));
HttpResponse response = httpClient.execute(httpDelete);
String httpEntityContent = getHttpEntityContent(response);
httpDelete.abort();
return httpEntityContent;
}
/**
* 设置请求参数
*
* @param
* @return
*/
private static List<NameValuePair> setHttpParams(Map<String, String> paramMap) {
List<NameValuePair> formparams = new ArrayList<NameValuePair>();
Set<Map.Entry<String, String>> set = paramMap.entrySet();
for (Map.Entry<String, String> entry : set) {
formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
return formparams;
}
/**
* 获得响应HTTP实体内容
*
* @param response
* @return
* @throws IOException
* @throws UnsupportedEncodingException
*/
private static String getHttpEntityContent(HttpResponse response) throws IOException, UnsupportedEncodingException {
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream is = entity.getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String line = br.readLine();
StringBuilder sb = new StringBuilder();
while (line != null) {
sb.append(line + "\n");
line = br.readLine();
}
return sb.toString();
}
return "";
}
public static String downloadImg(String imgUrl, String path) {
try {
logger.debug("imgUrl:{}\r\npath:{}",imgUrl,path);
URL url = new URL(imgUrl);
//链接网络地址
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
//获取链接的输出流
InputStream is = connection.getInputStream();
//创建文件，fileName为编码之前的文件名
File file = new File(path);
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
//根据输入流写入文件
FileOutputStream out = new FileOutputStream(file);
int i = 0;
while ((i = is.read()) != -1) {
out.write(i);
}
out.close();
is.close();
return path;
}catch (Exception e) {
logger.debug("抓取图片异常imgUrl:{}\r\npath:{}",imgUrl,path,e);
}
return null;
}
}
