jdk1.6不支持tls1.2协议，jdk1.8默认支持，比较好的解决方案是升级jdk，但是升级jdk风险极大。不能升级jdk的情况下，可以使用如下方式。
引入依赖
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>1.54</version>
</dependency>
创建协议工厂
import java.io.*;
import java.net.UnknownHostException;
import java.security.*;
import java.security.cert.*;
import java.util.*;
import javax.net.ssl.*;
import javax.security.cert.X509Certificate;
import org.bouncycastle.crypto.tls.*;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public class TLSSocketConnectionFactory extends SSLSocketFactory {
static {
if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
Security.addProvider(new BouncyCastleProvider());
}
}
@Override
public Socket createSocket(Socket socket, final String host, int port,
boolean arg3) throws IOException {
if (socket == null) {
socket = new Socket();
}
if (!socket.isConnected()) {
socket.connect(new InetSocketAddress(host, port));
}
final TlsClientProtocol tlsClientProtocol = new TlsClientProtocol(socket.getInputStream(), socket.getOutputStream(), new SecureRandom());
return _createSSLSocket(host, tlsClientProtocol);
}
@Override public String[] getDefaultCipherSuites() { return null; }
@Override public String[] getSupportedCipherSuites() { return null; }
@Override public Socket createSocket(String host, int port) throws IOException, UnknownHostException { throw new UnsupportedOperationException(); }
@Override public Socket createSocket(InetAddress host, int port) throws IOException { throw new UnsupportedOperationException(); }
@Override public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException { return null; }
@Override public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException { throw new UnsupportedOperationException(); }
private SSLSocket _createSSLSocket(final String host, final TlsClientProtocol tlsClientProtocol) {
return new SSLSocket() {
private java.security.cert.Certificate[] peertCerts;
@Override public InputStream getInputStream() throws IOException { return tlsClientProtocol.getInputStream(); }
@Override public OutputStream getOutputStream() throws IOException { return tlsClientProtocol.getOutputStream(); }
@Override public synchronized void close() throws IOException { tlsClientProtocol.close(); }
@Override public void addHandshakeCompletedListener( HandshakeCompletedListener arg0) { }
@Override public boolean getEnableSessionCreation() { return false; }
@Override public String[] getEnabledCipherSuites() { return null; }
@Override public String[] getEnabledProtocols() { return null; }
@Override public boolean getNeedClientAuth() { return false; }
@Override
public SSLSession getSession() {
return new SSLSession() {
@Override
public int getApplicationBufferSize() {
return 0;
}
@Override public String getCipherSuite() { throw new UnsupportedOperationException(); }
@Override public long getCreationTime() { throw new UnsupportedOperationException(); }
@Override public byte[] getId() { throw new UnsupportedOperationException(); }
@Override public long getLastAccessedTime() { throw new UnsupportedOperationException(); }
@Override public java.security.cert.Certificate[] getLocalCertificates() { throw new UnsupportedOperationException(); }
@Override public Principal getLocalPrincipal() { throw new UnsupportedOperationException(); }
@Override public int getPacketBufferSize() { throw new UnsupportedOperationException(); }
@Override public X509Certificate[] getPeerCertificateChain() throws SSLPeerUnverifiedException { return null; }
@Override public java.security.cert.Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException { return peertCerts; }
@Override public String getPeerHost() { throw new UnsupportedOperationException(); }
@Override public int getPeerPort() { return 0; }
@Override public Principal getPeerPrincipal() throws SSLPeerUnverifiedException { return null; }
@Override public String getProtocol() { throw new UnsupportedOperationException(); }
@Override public SSLSessionContext getSessionContext() { throw new UnsupportedOperationException(); }
@Override public Object getValue(String arg0) { throw new UnsupportedOperationException(); }
@Override public String[] getValueNames() { throw new UnsupportedOperationException(); }
@Override public void invalidate() { throw new UnsupportedOperationException(); }
@Override public boolean isValid() { throw new UnsupportedOperationException(); }
@Override public void putValue(String arg0, Object arg1) { throw new UnsupportedOperationException(); }
@Override public void removeValue(String arg0) { throw new UnsupportedOperationException(); }
};
}
@Override public String[] getSupportedProtocols() { return null; }
@Override public boolean getUseClientMode() { return false; }
@Override public boolean getWantClientAuth() { return false; }
@Override public void removeHandshakeCompletedListener(HandshakeCompletedListener arg0) { }
@Override public void setEnableSessionCreation(boolean arg0) { }
@Override public void setEnabledCipherSuites(String[] arg0) { }
@Override public void setEnabledProtocols(String[] arg0) { }
@Override public void setNeedClientAuth(boolean arg0) { }
@Override public void setUseClientMode(boolean arg0) { }
@Override public void setWantClientAuth(boolean arg0) { }
@Override public String[] getSupportedCipherSuites() { return null; }
@Override
public void startHandshake() throws IOException {
tlsClientProtocol.connect(new DefaultTlsClient() {
@SuppressWarnings("unchecked")
@Override
public Hashtable<Integer, byte[]> getClientExtensions() throws IOException {
Hashtable<Integer, byte[]> clientExtensions = super.getClientExtensions();
if (clientExtensions == null) {
clientExtensions = new Hashtable<Integer, byte[]>();
}
//Add host_name
byte[] host_name = host.getBytes();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final DataOutputStream dos = new DataOutputStream(baos);
dos.writeShort(host_name.length + 3);
dos.writeByte(0);
dos.writeShort(host_name.length);
dos.write(host_name);
dos.close();
clientExtensions.put(ExtensionType.server_name, baos.toByteArray());
return clientExtensions;
}
@Override
public TlsAuthentication getAuthentication() throws IOException {
return new TlsAuthentication() {
@Override
public void notifyServerCertificate(Certificate serverCertificate) throws IOException {
try {
KeyStore ks = _loadKeyStore();
CertificateFactory cf = CertificateFactory.getInstance("X.509");
List<java.security.cert.Certificate> certs = new LinkedList<java.security.cert.Certificate>();
boolean trustedCertificate = false;
for ( org.bouncycastle.asn1.x509.Certificate c : serverCertificate.getCertificateList()) {
java.security.cert.Certificate cert = cf.generateCertificate(new ByteArrayInputStream(c.getEncoded()));
certs.add(cert);
String alias = ks.getCertificateAlias(cert);
if(alias != null) {
if (cert instanceof java.security.cert.X509Certificate) {
try {
( (java.security.cert.X509Certificate) cert).checkValidity();
trustedCertificate = true;
} catch(CertificateExpiredException cee) {
// Accept all the certs!
}
}
} else {
// Accept all the certs!
}
}
if (!trustedCertificate) {
// Accept all the certs!
}
peertCerts = certs.toArray(new java.security.cert.Certificate[0]);
} catch (Exception ex) {
ex.printStackTrace();
throw new IOException(ex);
}
}
@Override
public TlsCredentials getClientCredentials(CertificateRequest certificateRequest) throws IOException {
return null;
}
private KeyStore _loadKeyStore() throws Exception {
FileInputStream trustStoreFis = null;
try {
KeyStore localKeyStore = null;
String trustStoreType = System.getProperty("javax.net.ssl.trustStoreType")!=null?System.getProperty("javax.net.ssl.trustStoreType"):KeyStore.getDefaultType();
String trustStoreProvider = System.getProperty("javax.net.ssl.trustStoreProvider")!=null?System.getProperty("javax.net.ssl.trustStoreProvider"):"";
if (trustStoreType.length() != 0) {
if (trustStoreProvider.length() == 0) {
localKeyStore = KeyStore.getInstance(trustStoreType);
} else {
localKeyStore = KeyStore.getInstance(trustStoreType, trustStoreProvider);
}
char[] keyStorePass = null;
String str5 = System.getProperty("javax.net.ssl.trustStorePassword")!=null?System.getProperty("javax.net.ssl.trustStorePassword"):"";
if (str5.length() != 0) {
keyStorePass = str5.toCharArray();
}
localKeyStore.load(trustStoreFis, keyStorePass);
if (keyStorePass != null) {
for (int i = 0; i < keyStorePass.length; i++) {
keyStorePass[i] = 0;
}
}
}
return localKeyStore;
} finally {
if (trustStoreFis != null) {
trustStoreFis.close();
}
}
}
};
}
});
} // startHandshake
};
}
}
import org.apache.http.Consts;
import javax.net.ssl.HttpsURLConnection;
import java.io.*;
import java.net.URL;
public class HttpsUtils {
/**
* content-type类型为xml方式发送post请求
*
* @param urlPath
* @param data
* @param charSet
* @return
*/
public static String postXml(String urlPath, String data, String charSet) {
String result = httpPostData(urlPath, data, charSet, null, "application/xml", "application/xml");
return result;
}
private static String httpPostData(String urlPath, String data, String charSet, String[] header, String contentType, String accpect) {
String result = null;
URL url = null;
HttpsURLConnection httpurlconnection = null;
OutputStreamWriter out = null;
BufferedReader reader = null;
try {
url = new URL(urlPath);
httpurlconnection = (HttpsURLConnection) url.openConnection();
httpurlconnection.setSSLSocketFactory(new TSLSocketConnectionFactory());
httpurlconnection.setDoInput(true);
httpurlconnection.setDoOutput(true);
if (header != null) {
for (int i = 0; i < header.length; i++) {
String[] content = header[i].split(":");
httpurlconnection.setRequestProperty(content[0], content[1]);
}
}
httpurlconnection.setRequestMethod("POST");
httpurlconnection.setRequestProperty("Content-Type", contentType);
if (null != accpect) {
httpurlconnection.setRequestProperty("Accpect", accpect);
}
httpurlconnection.connect();
out = new OutputStreamWriter(httpurlconnection.getOutputStream(), charSet); // utf-8编码
out.append(data);
out.flush();
out.close();
int code = httpurlconnection.getResponseCode();
if (code == 200) {
// 读取响应
int length = (int) httpurlconnection.getContentLength();// 获取长度
InputStream is = httpurlconnection.getInputStream();
reader = new BufferedReader(new InputStreamReader(is));
String line = reader.readLine();
StringBuilder builder = new StringBuilder();
while (line != null) {
builder.append(line);
line = reader.readLine();
}
result = builder.toString();
} else {
// TODO
}
} catch (Exception e) {
// TODO
} finally {
url = null;
if (httpurlconnection != null) {
httpurlconnection.disconnect();
}
try {
if (out != null) {
out.close();
}
if (reader != null) {
reader.close();
}
} catch (IOException e) {
// TODO
}
}
return result;
}
public static void main(String[] args) throws Exception {
String dtdXml = "<?xml version=\"1.0\" encoding=\"utf-8\"?><!DOCTYPE cXML SYSTEM \"http://xml.cxml.org/schemas/cXML/1.2.014/cXML.dtd\"><cXML timestamp=\"2017-01-19T19:56:30\" payloadID=\"bac4b4a82e3342da919c7b427ee0fef2\"><Header><From><Credential domain=\"NetworkID\"><Identity>JDVEP4DIDI</Identity></Credential></From><To><Credential domain=\"NetworkID\"><Identity>Didipur</Identity></Credential></To><Sender><Credential domain=\"NetworkID\"><Identity>JDVEP4DIDI</Identity><SharedSecret>OGNmNGM3OGYtNWJhYi00ZTUwLTk0YTYtODAwZDVmYTU4NjMx</SharedSecret></Credential><UserAgent>JD VEP</UserAgent></Sender></Header><Message><PunchOutOrderMessage><BuyerCookie>3e3e68a280f45796cc24e59573e88ef7</BuyerCookie><PunchOutOrderMessageHeader operationAllowed=\"edit\"><Total><Money currency=\"CNY\">102.00</Money></Total><Shipping><Money currency=\"CNY\">0.00</Money><Description xml:lang=\"zh-CN\">运费</Description></Shipping></PunchOutOrderMessageHeader><ItemIn quantity=\"1\"><ItemID><SupplierPartID>102196</SupplierPartID><SupplierPartAuxiliaryID>46666778472</SupplierPartAuxiliaryID></ItemID><ItemDetail><UnitPrice><Money currency=\"CNY\">102.00</Money></UnitPrice><Description xml:lang=\"zh-CN\">维氏VICTORINOX瑞士军刀星座系列双鱼座0.6223.2PISC</Description><UnitOfMeasure>EA</UnitOfMeasure></ItemDetail></ItemIn><ItemIn quantity=\"1\"><ItemID><SupplierPartID>150706</SupplierPartID><SupplierPartAuxiliaryID>46666778472</SupplierPartAuxiliaryID></ItemID><ItemDetail><UnitPrice><Money currency=\"CNY\">0.00</Money></UnitPrice><Description xml:lang=\"zh-CN\">锐步Reebok女短袖T恤R537589 M码</Description><UnitOfMeasure>EA</UnitOfMeasure></ItemDetail></ItemIn></PunchOutOrderMessage></Message></cXML>";
String url = "https://www.baidu.com";
String result = "";
// postXml(url, dtdXml, "UTF-8");
result = httpPostData(url, dtdXml, Consts.UTF_8.name(), null, "application/xml", "application/xml");
System.out.println(result);
}
}
来源：oschina
链接：https://my.oschina.net/u/4373202/blog/4486842