使用commons httpclient请求https协议的webservice

摘要：使支持协议类，是自定义私有类请求类根据请求报文，请求服务地址获取响应报文请求报文请求地址字符集类型封装的服务器响应参数和返回报文正常响应。

使commons httpclient支持https协议类，是commons httpclient

import java.io.IOException;  
import java.net.InetAddress;  
import java.net.InetSocketAddress;  
import java.net.Socket;  
import java.net.SocketAddress;  
import java.net.UnknownHostException;  
import java.security.KeyManagementException;  
import java.security.NoSuchAlgorithmException;  
import java.security.cert.CertificateException;  
import java.security.cert.X509Certificate;  
import javax.net.SocketFactory;  
import javax.net.ssl.SSLContext;  
import javax.net.ssl.TrustManager;  
import javax.net.ssl.X509TrustManager;  
import org.apache.commons.httpclient.ConnectTimeoutException;  
import org.apache.commons.httpclient.params.HttpConnectionParams;  
import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;  

/** 
 * httpclient https 
 * 
 */  
public class HTTPSSecureProtocolSocketFactory implements ProtocolSocketFactory {//SecureProtocolSocketFactory  
    private SSLContext sslcontext = null;
     
    private SSLContext createSSLContext()
    {
        SSLContext sslcontext = null;
        try
        {
            sslcontext = SSLContext.getInstance("SSL");
            sslcontext.init(null, new TrustManager[]
            { new TrustAnyTrustManager() }, new java.security.SecureRandom());
        }
        catch (NoSuchAlgorithmException e)
        {
            e.printStackTrace();
        }
        catch (KeyManagementException e)
        {
            e.printStackTrace();
        }
        return sslcontext;
    }

    private SSLContext getSSLContext()
    {
        if (this.sslcontext == null)
        {
            this.sslcontext = createSSLContext();
        }
        return this.sslcontext;
    }

    public Socket createSocket(Socket socket, String host, int port,
            boolean autoClose) throws IOException, UnknownHostException
    {
        return getSSLContext().getSocketFactory().createSocket(socket, host,
                port, autoClose);
    }

    public Socket createSocket(String host, int port) throws IOException,
            UnknownHostException
    {
        return getSSLContext().getSocketFactory().createSocket(host, port);
    }

    public Socket createSocket(String host, int port, InetAddress clientHost,
            int clientPort) throws IOException, UnknownHostException
    {
        return getSSLContext().getSocketFactory().createSocket(host, port,
                clientHost, clientPort);
    }

    public Socket createSocket(String host, int port, InetAddress localAddress,
            int localPort, HttpConnectionParams params) throws IOException,
            UnknownHostException, ConnectTimeoutException
    {
        if (params == null)
        {
            throw new IllegalArgumentException("Parameters may not be null");
        }
        int timeout = params.getConnectionTimeout();
        SocketFactory socketfactory = getSSLContext().getSocketFactory();
        if (timeout == 0)
        {
            return socketfactory.createSocket(host, port, localAddress,
                    localPort);
        }
        else
        {
            Socket socket = socketfactory.createSocket();
            SocketAddress localaddr = new InetSocketAddress(localAddress,
                    localPort);
            SocketAddress remoteaddr = new InetSocketAddress(host, port);
            socket.bind(localaddr);
            socket.connect(remoteaddr, timeout);
            return socket;
        }
    }

    // 自定义私有类
    private static class TrustAnyTrustManager implements X509TrustManager
    {

        public void checkClientTrusted(X509Certificate[] chain, String authType)
                throws CertificateException
        {
        }

        public void checkServerTrusted(X509Certificate[] chain, String authType)
                throws CertificateException
        {
        }

        public X509Certificate[] getAcceptedIssuers()
        {
            return new X509Certificate[]
            {};
        }
    }
   
}

httpclient请求类

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.protocol.Protocol;


public class SoapUtil {

    /**  
        * 
Description: 根据请求报文，请求服务地址获取 响应报文  
         * @param requestSoap  请求报文  
         * @param serviceAddress 请求地址  
         * @param charSet 字符集  utf-8
         * @param contentType  类型  text/xml; charset=utf-8
         * @return  map封装的 服务器响应参数和返回报文.PS:statusCode :200正常响应。responseSoap：响应报文   
         * 
thinking: 
  
         *  
         * @author  
         */
      public  static Map responseSoap(String requestSoap,String serviceAddress,String charSet, String contentType){  
          String responseSoap="";  
          Map resultmap=new HashMap();  
          PostMethod postMethod = new PostMethod(serviceAddress);  
          HttpClient httpClient = new HttpClient();  
          Protocol myhttps = new Protocol("https", new HTTPSSecureProtocolSocketFactory(), 443);//支持https
          Protocol.registerProtocol("https", myhttps);
          int statusCode = 0;  
          try {  
              httpClient.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("USERNAME", "PASSWORD"));//设置用户名密码,如果不需要就忽略这一行
              StringRequestEntity entity = new StringRequestEntity(requestSoap,contentType,charSet);
              postMethod.setRequestEntity(entity);  
              statusCode = httpClient.executeMethod(postMethod);  
              resultmap.put("statusCode", statusCode);  
          } catch (IOException e) {  
              throw new RuntimeException("执行http请求失败", e);  
          }  
          if (statusCode == 200) {  
              try {  
                responseSoap = postMethod.getResponseBodyAsString();  
                resultmap.put("responseSoap", responseSoap);  
              } catch (IOException e) {  
                  throw new RuntimeException("获取请求返回报文失败", e);  
              }  
          } else {  
              throw new RuntimeException("请求失败：" + statusCode);  
          }  
          return resultmap;  
      }  
      
}

xml工具类

import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.xml.sax.InputSource;

public class XmlUtil {

    
    
    
     /** 
     * 
Description:将字符串类型的XML 转化成Docunent文档结构
 
     * @param parseStrXml 待转换的xml 字符串 
     * @return Document  
     * 
     * @author  
     * @throws JDOMException 
     * @throws IOException 
     */  
    public static Document strXmlToDocument(String parseStrXml) throws JDOMException, IOException{  
        StringReader read = new StringReader(parseStrXml);    
        //创建新的输入源SAX 解析器将使用 InputSource 对象来确定如何读取 XML 输入    
        InputSource source = new InputSource(read);    
        //创建一个新的SAXBuilder    
        SAXBuilder sb = new SAXBuilder();   // 新建立构造器    
        Document doc = null;  
        try {  
            doc = sb.build(source);  
        } catch (JDOMException e) {
            throw e;
        } catch (IOException e) {  
            throw e; 
        }   
        return doc;  
          
    }  

    /** 
     * 
Description: 根据目标节点名获取值
 
     * @param doc 文档结构 
     * @param finalNodeName  最终节点名 
     * @return 
     * 
     * @author  
     */  
    public static String getValueByElementName(Document doc,String finalNodeName){  
       Element root = doc.getRootElement();  
        HashMap map=new HashMap();  
       //调用getChildAllText方法。获取目标子节点的值 
       getChildAllText(doc, root,map);     
       String result=(String)map.get(finalNodeName);  
       return result;  
    }  
    
    /** 
     * 
Description: 递归获得子节点的值
 
     * @param doc 文档结构 
     * @param e  节点元素 
     * @param resultmap  递归将值压入map中 
     * @return   
     * 
     * @author  
     */  
    public static Map getChildAllText(Document doc, Element e,Map resultmap) {

        if (e != null) {
            if (e.getChildren() != null) // 如果存在子节点
            {
                List list = e.getChildren();
                for (Element el : list) // 循环输出
                {
                    if (el.getChildren().size() > 0) // 如果子节点还存在子节点，则递归获取
                    {
                        getChildAllText(doc, el, resultmap);
                    } else {
                        resultmap.put(el.getName(), el.getTextTrim()); // 将叶子节点值压入map
                    }
                }
            }
        }
        return resultmap;
    }
    
    /**
     * 获取某个节点下的所有子节点
     * @param doc
     * @param element
     * @return
     */
    public static List getChildToList(Document doc,String element){
        Element root = doc.getRootElement();
        Element e = root.getChild(element);
        if(e != null){ //判断要查找的节点是否存在根节点，
            return e.getChildren();//存在：返回节点下的所有子节点
        }else{
            return getChildToList(root, element);//不存在：进入递归查询
        }
    }
    /**
     * 递归查找节点
     * @param root
     * @param element
     * @return
     */
    private static List getChildToList(Element root,String element){
        List list = new ArrayList<>();
        List rootElements = root.getChildren();
        for (Element element2 : rootElements) {
            if(element2.getChild(element)!=null){
                return element2.getChild(element).getChildren();
            }else{
                list = getChildToList(element2, element);
                if(list.size() != 0)
                    return list;
            }
        }
        return new ArrayList<>();
    }
}