package api; import java.util.*;
import java.net.URI;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.*;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import net.sf.json.JSONObject;
import org.apache.log4j.Logger;
import com.sun.org.apache.xml.internal.resolver.helpers.PublicId;
import com.sun.xml.internal.stream.Entity; import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.ssl.TrustStrategy;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import java.io.*;
import java.io.File;
import org.apache.http.entity.mime.MultipartEntityBuilder; public class TestHttpClient {
static HttpPost post;
static HttpResponse response;
static HttpGet get;
static HttpEntity entity;
// private static Logger logger = Logger.getLogger(TestHttpClient.class); //ssl安全跳过
public static CloseableHttpClient getignoreSSLClient() {
CloseableHttpClient client =null;
try {
SSLContext sslContext=SSLContexts.custom().loadTrustMaterial(null, new TrustStrategy() { @Override
public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
return true;
}
}).build();
client=HttpClients.custom().setSSLContext(sslContext).setSSLHostnameVerifier(new NoopHostnameVerifier()).build(); }catch(Exception e) {
e.printStackTrace();
}
return client;
} //
public static String getrequest(String url,Map<Object, Object> parameters,Map<Object,Object> headers){
String basicUrl=url;
String result=null;
String urlencoded=null;
// CloseableHttpClient httpclient=HttpClients.createDefault();
CloseableHttpClient httpclient=getignoreSSLClient();
List<NameValuePair> formData=new ArrayList<NameValuePair>(); try {
//参数分离
if(!url.contains("=")) {
if(parameters !=null && parameters.size()>0) {
for(Map.Entry<Object,Object> entry:parameters.entrySet()) {
String k =entry.getKey().toString();
String v=entry.getValue().toString();
formData.add(new BasicNameValuePair(k, v));
}
}
urlencoded =EntityUtils.toString(new UrlEncodedFormEntity(formData, Consts.UTF_8));
if(basicUrl.contains("?")) { get=new HttpGet(basicUrl+urlencoded);
if(headers !=null && headers.size()>0) {
for(Map.Entry<Object, Object> entry:headers.entrySet()) {
get.setHeader(entry.getKey().toString(),entry.getValue().toString());
}
}else {
get.setHeader(null);
}
response=httpclient.execute(get);
entity=response.getEntity();
result=EntityUtils.toString(entity,"UTF-8");
return result;
}else {
//无？
get=new HttpGet(basicUrl+"?"+urlencoded);
if(headers !=null && headers.size()>0) {
for(Map.Entry<Object, Object> entry:headers.entrySet()) {
get.setHeader(entry.getKey().toString(),entry.getValue().toString());
}
}else {
get.setHeader(null);
}
response=httpclient.execute(get);
entity=response.getEntity();
result=EntityUtils.toString(entity,"UTF-8");
return result;
}
}else { //纯url
get=new HttpGet(basicUrl);
response=httpclient.execute(get);
entity=response.getEntity();
result=EntityUtils.toString(entity,"UTF-8");
return result;
}
}catch (IOException e) {
e.printStackTrace();
}finally {
try {
if(httpclient!=null) {
httpclient.close();
}
}catch(IOException e) {
e.printStackTrace();
}
}
return result;
} //postformData
public static String postformData(String url,Map<Object, Object> body,Map<Object, Object> headers){
String basicUrl=url;
String result=null; CloseableHttpClient httpclient=getignoreSSLClient();
List<NameValuePair> formData=new ArrayList<NameValuePair>();
try {
post =new HttpPost();
post.setURI(new URI(basicUrl));
//上面可以直接用post = new HttpPost(url)代替
for (Iterator iter = body.keySet().iterator(); iter.hasNext();) {
String k = (String) iter.next();
String v = String.valueOf(body.get(k));
formData.add(new BasicNameValuePair(k, v));
System.out.println("构造参数完毕");
}
if(headers !=null && headers.size()>0) {
for(Map.Entry<Object, Object> entry:headers.entrySet()) {
post.setHeader(entry.getKey().toString(),entry.getValue().toString());
}
}else {
post.setHeader(null);
//header设置完毕
}
post.setEntity(new UrlEncodedFormEntity(formData,Consts.UTF_8));
response = httpclient.execute(post);
entity =response.getEntity();
result=EntityUtils.toString(entity, "UTF-8");
int errorCode= response.getStatusLine().getStatusCode();
if(String.valueOf(errorCode)!=null) {
return result;
}else {
result=null;
return result;
} }catch(Exception e ) {
e.printStackTrace();
}finally {
try {
if(httpclient!=null) {
httpclient.close();
}
}catch(Exception e) {
e.printStackTrace();
}
}
return result;
} // postJson
public static String postJsonrequest(String url , Map<Object, Object> body , Map<Object, Object> headers){ String basicUrl=url;
String result=null;
post =new HttpPost(basicUrl);
CloseableHttpClient httpclient=getignoreSSLClient();
try {
if(headers !=null && headers.size()>0) {
for(Map.Entry<Object, Object> entry:headers.entrySet()) {
post.setHeader(entry.getKey().toString(),entry.getValue().toString());
}
}else {
post.setHeader(null);
//header设置完毕
}
//body转string,处理entity传入httpEntity
StringEntity newEntity=new StringEntity(body.toString(),"utf-8");
post.setEntity(newEntity);;
response=httpclient.execute(post);
int errorCode =response.getStatusLine().getStatusCode();
if(String.valueOf(errorCode) !=null) {
entity =response.getEntity();
result=EntityUtils.toString(entity, "UTF-8");
return result;
}
}catch (Exception e) {
e.printStackTrace();
}finally {
try {
if(httpclient!=null) {
httpclient.close();
} }catch (Exception e) {
e.printStackTrace();
}
}
return result;
} // download file ,两个都要带路径
public static void downloadfile(String url,String localfileName,String remotefileName) {
FileOutputStream output = null;
InputStream in = null;
CloseableHttpClient httpclient=getignoreSSLClient();
try {
get=new HttpGet(url);
get.addHeader("fileName",remotefileName );
response=httpclient.execute(get);
entity =response.getEntity();
in = entity.getContent();
long length = entity.getContentLength();
if (length <= 0) {
return;
}
File localfile = new File(localfileName); if(! localfile.exists()) {
localfile.createNewFile();
}
output=new FileOutputStream(localfile);
byte[] buffer = new byte[4096];
int readLength = 0;
while ((readLength=in.read(buffer)) > 0) {
byte[] bytes = new byte[readLength];
System.arraycopy(buffer, 0, bytes, 0, readLength);
output.write(bytes);
}
output.flush();
}catch(Exception e) {
e.printStackTrace();
}finally {
try {
if(in !=null) {
in.close();
}
if(output !=null) {
output.close();
}
}catch (IOException e) {
e.printStackTrace();
}
}
} // uploadfile
public static void uploadfile(String localfilepath,String url) { CloseableHttpClient httpclient=getignoreSSLClient();
try {
post = new HttpPost(url);
FileBody bin=new FileBody(new File(localfilepath));
HttpEntity reentity= MultipartEntityBuilder.create().addPart("bin",bin).build();
post.setEntity(entity);
response=httpclient.execute(post);
entity=response.getEntity();
if(entity!=null) {
// length entity.getContentLength();
String content=EntityUtils.toString(entity,"utf-8");
EntityUtils.consume(entity);
} }catch(Exception e) {
e.printStackTrace();
}finally {
try {
if(httpclient!=null ) {
httpclient.close();
}
}catch(Exception e) {
e.printStackTrace();
}
} } }