/**
*
*/
package Default;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
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.entity.StringEntity;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.tomtop.core.constants.MediaTypes;
/**
*
* 功能说明：：Http请求工具类
*
* HttpUtils.java
*
*/
public class HttpUtils {
private final static Logger log = LoggerFactory.getLogger(HttpUtils.class);
/**
* Http GET 方式访问
* @param url
* @return
* @throws ClientProtocolException
* @throws IOException
* @author fwenrong
*/
public static String get(String url) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
CloseableHttpResponse response = httpClient.execute(httpGet);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
//EntityUtils类：目标服务器响应可信任，并且响应包体长度不大
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* Http POST 方式访问
* @param url 请求URL
* @param data 请求参数
* @return
* @throws IOException
* @throws ClientProtocolException
* @author fwenrong
*
*/
public static String post(String url,
List<? extends org.apache.http.NameValuePair> data) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
if(data != null){
httpPost.setEntity(new UrlEncodedFormEntity(data,Consts.UTF_8));
}
CloseableHttpResponse response = httpClient.execute(httpPost);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* http的PUT方式访问
* @param url 请求URL url +"/"+put更新参数
* @param data 请求参数
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String put(String url,
List<? extends org.apache.http.NameValuePair> data) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPut httpPut = new HttpPut(url);
if(data != null){
httpPut.setEntity(new UrlEncodedFormEntity(data,Consts.UTF_8));
}
CloseableHttpResponse response = httpClient.execute(httpPut);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* http delete 方式访问
* @param url url地址， 格式：url +"/"+删除参数
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String delete(String url) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpDelete httpDelete = new HttpDelete(url);
CloseableHttpResponse response = httpClient.execute(httpDelete);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* Http POST方式请求JSON包体
* @param url 请求URL
* @param data json包体
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String postJson(String url,String data) throws ClientProtocolException, IOException {
return HttpUtils.post(url, data, MediaTypes.JSON);
}
/**
* Http POSt方式请求 xml包体
* @param url 请求URL
* @param data xml包体
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String postXml(String url,String data) throws ClientProtocolException, IOException {
return HttpUtils.post(url, data, MediaTypes.APPLICATION_XML);
}
/**
* Http POST 方式访问
* @param url 请求URL
* @param data 请求参数(可以是json串 也可以是xml格式包体)
* @param contentType 对应请求内容格式
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String post(String url,String data,String contentType) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
if(StringUtils.isNotEmpty(data)){
StringEntity entity = new StringEntity(data, Consts.UTF_8);
entity.setContentType(contentType);
httpPost.setEntity(entity);
}
CloseableHttpResponse response = httpClient.execute(httpPost);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* Http PUT 方式访问
* @param url url地址， 格式：url +"/"+put参数
* @param data 请求参数(可以是json串 也可以是xml格式包体)
* @param contentType 对应请求内容格式
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String put(String url,String data,String contentType) throws ClientProtocolException, IOException {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPut httpPut = new HttpPut(url);
if(StringUtils.isNotEmpty(data)){
StringEntity entity = new StringEntity(data, Consts.UTF_8);
entity.setContentType(contentType);
httpPut.setEntity(entity);
}
CloseableHttpResponse response = httpClient.execute(httpPut);
try{
HttpEntity entity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (entity != null) {
return EntityUtils.toString(entity,Consts.UTF_8);
}
return null;
}finally{
response.close();
httpClient.close();
}
}
/**
* Http PUT方式请求JSON包体
* @param url url地址， 格式：url +"/"+put参数
* @param data json包体
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String putJson(String url,String data) throws ClientProtocolException, IOException {
return HttpUtils.put(url, data, MediaTypes.JSON);
}
/**
* Http PUT方式请求 xml包体
* @param url url地址， 格式：url +"/"+put参数
* @param data xml包体
* @return
* @throws ClientProtocolException
* @throws IOException
* @author 3071
*/
public static String putXml(String url,String data) throws ClientProtocolException, IOException {
return HttpUtils.put(url, data, MediaTypes.APPLICATION_XML);
}
/**
* Http Post 表单提交 附加一个文件
* @param url 请求url
* @param file 文件
* @return
* @author 3071
* @throws IOException
* @throws ClientProtocolException
*/
public static String postFile(String url,File file) throws ClientProtocolException, IOException{
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
HttpEntity requestEntity = MultipartEntityBuilder.create()
.setMode(HttpMultipartMode.BROWSER_COMPATIBLE)
.addBinaryBody("file",FileUtils.toByteArray(file))
.setCharset(Consts.UTF_8).build();
httpPost.setEntity(requestEntity);
CloseableHttpResponse response = httpClient.execute(httpPost);
HttpEntity responseEntity = null;
try{
String responseStr = null;
//获取响应对象
responseEntity = response.getEntity();
log.debug("Response Status: " + response.getStatusLine());
if (responseEntity != null) {
responseStr = EntityUtils.toString(responseEntity,Consts.UTF_8);
}
//销毁
EntityUtils.consumeQuietly(responseEntity);
return responseStr;
}finally{
response.close();
httpClient.close();
}
}
/**
* 模拟文件http上传(基于jdk原始方式)
* @param url
* @param file
* @return
* @author fwenrong
*/
public static String postFileOriginal(String url,File file){
try {
URL postUrl = new URL(url);
HttpURLConnection conn = (HttpURLConnection) postUrl.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
byte[] f = FileUtils.toByteArray(file);
//StringBuilder sb = new StringBuilder();
conn.setRequestProperty("Content-Type", "multipart/form-data");
conn.setRequestProperty("Content-Length", String.valueOf(f.length));
OutputStream out = conn.getOutputStream();
out.write(f);
out.flush();
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String responseStr = "";
String line = null;
while((line = in.readLine()) != null){
responseStr += line;
}
in.close();
out.close();
return responseStr;
} catch (MalformedURLException e) {
log.error("MalformedURLException："+url);
e.printStackTrace();
} catch (IOException e) {
log.error("IOException：IO异常。");
e.printStackTrace();
}
return null;
}
}