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package com.javaCore.junit._1;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyStore;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
public class Test implements X509TrustManager {
/*
* The default X509TrustManager returned by SunX509. We'll delegate
* decisions to it, and fall back to the logic in this class if the
* default X509TrustManager doesn't trust it.
*/
X509TrustManager sunJSSEX509TrustManager;
Test() throws Exception {
// create a "default" JSSE X509TrustManager.
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream("e:/apache-tomcat-6.0.43/conf/keystore.jks"), "ufclub218comszljs".toCharArray());
TrustManagerFactory tmf =
TrustManagerFactory.getInstance("SunX509", "SunJSSE");
tmf.init(ks);
TrustManager tms [] = tmf.getTrustManagers();
/*
* Iterate over the returned trustmanagers, look
* for an instance of X509TrustManager. If found,
* use that as our "default" trust manager.
*/
for (int i = 0; i < tms.length; i++) {
if (tms[i] instanceof X509TrustManager) {
sunJSSEX509TrustManager = (X509TrustManager) tms[i];
return;
}
}
/*
* Find some other way to initialize, or else we have to fail the
* constructor.
*/
throw new Exception("Couldn't initialize");
}
/*
* Delegate to the default trust manager.
*/
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
try {
sunJSSEX509TrustManager.checkClientTrusted(chain, authType);
} catch (CertificateException excep) {
// do any special handling here, or rethrow exception.
}
}
/*
* Delegate to the default trust manager.
*/
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
try {
sunJSSEX509TrustManager.checkServerTrusted(chain, authType);
} catch (CertificateException excep) {
/*
* Possibly pop up a dialog box asking whether to trust the
* cert chain.
*/
}
}
/*
* Merely pass this through.
*/
public X509Certificate[] getAcceptedIssuers() {
return sunJSSEX509TrustManager.getAcceptedIssuers();
}
public static void main(String[] args) {
try{
// 创建SSLContext对象，并使用我们指定的信任管理器初始化
TrustManager[] tm = { new Test() };
SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
sslContext.init(null, tm, new java.security.SecureRandom());
// 从上述SSLContext对象中得到SSLSocketFactory对象
SSLSocketFactory ssf = sslContext.getSocketFactory();
// 创建URL对象
URL myURL = new URL(null,"https://2.uf-club.com/images/wap/hook.png",new sun.net.www.protocol.https.Handler());
// 创建HttpsURLConnection对象，并设置其SSLSocketFactory对象
HttpsURLConnection httpsConn = (HttpsURLConnection) myURL.openConnection();
httpsConn.setSSLSocketFactory(ssf);
// 取得该连接的输入流，以读取响应内容
InputStream inStream = httpsConn.getInputStream();//通过输入流获取图片数据
byte[] btImg = readInputStream(inStream);//得到图片的二进制数据
if(null != btImg && btImg.length > 0){
String fileName = "213.gif";
writeImageToDisk(btImg, fileName);
}
} catch(Exception e){
e.printStackTrace();
}
}
public static byte[] readInputStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while( (len=inStream.read(buffer)) != -1 ){
outStream.write(buffer, 0, len);
}
inStream.close();
return outStream.toByteArray();
}
/**
* 将图片写入到磁盘
* @param img 图片数据流
* @param fileName 文件保存时的名称
*/
public static void writeImageToDisk(byte[] img, String fileName){
try {
File file = new File("C:\\" + fileName);
FileOutputStream fops = new FileOutputStream(file);
fops.write(img);
fops.flush();
fops.close();
System.out.println("图片已经写入到C盘");
} catch (Exception e) {
e.printStackTrace();
}
}
}