• Socket与Http方式解析发送xml消息封装中间件jar包


      最近项目代码中太多重复的编写Document,不同的接口需要不同的模板,于是重写提取公共部分打成jar包,方便各个系统统一使用~

      提取结构:

      

    Http连接方式:

    import java.nio.charset.Charset;
    import java.util.Arrays;
    import java.util.List;
    import java.util.Map;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.http.HttpEntity;
    import org.springframework.http.HttpHeaders;
    import org.springframework.http.MediaType;
    import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
    import org.springframework.http.converter.StringHttpMessageConverter;
    import org.springframework.web.client.RestTemplate;
    
    public class HttpConnect {
        
        final Logger logger = LoggerFactory.getLogger(this.getClass());
    
        public static final String SECCUESS_CODE = "000000";
    
        private RestTemplate restTemplate ;
    
        private int connectTimeout = 1000;
    
        private int readTimeout = 15000;
        
        private static final String CHARSET_GBK = "GBK";
    
        public String getMessages(Map<String,Object> sendData){
            restTemplate = createRestTemplate();
            HttpHeaders headers = new HttpHeaders();
            MediaType type = new MediaType("text", "xml",
                    Charset.forName(CHARSET_GBK));
            headers.setContentType(type);
            String connectIp = (String) sendData.get("RequestIp");
            String connectPort = (String) sendData.get("RequestPort");
            String content = (String) sendData.get("message");
            String url = "http://" + connectIp + ":" + connectPort;
            HttpEntity<String> entity = new HttpEntity<String>(content, headers);
            String result = restTemplate.postForObject(url, entity, String.class);
            logger.info("send data:{},result:{}", content, result);
            
            return result;
        }
        
        public RestTemplate createRestTemplate() {
            HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
            requestFactory.setConnectTimeout(connectTimeout);
            requestFactory.setReadTimeout(readTimeout);
    
            RestTemplate restTemplate = new RestTemplate(requestFactory);
            restTemplate.getMessageConverters().add(0,
                    new MyStringHttpMessageConverter());
            return restTemplate;
        }
        
        static class MyStringHttpMessageConverter extends
        StringHttpMessageConverter {
    
            List<Charset> acceptedCharsets = Arrays.asList(Charset.forName("GBK"),
            Charset.forName("GB2312"), Charset.forName("GB18030"),
            Charset.forName("UTF-8"));
    
            @Override
            protected List<Charset> getAcceptedCharsets() {
            return acceptedCharsets;
            }
        }
    }

    Socket方式:

    package SocketClient;
     
    import java.io.DataInputStream;
    import java.io.DataOutputStream;
    import java.io.IOException;
    import java.net.ConnectException;
    import java.net.InetAddress;
    import java.net.InetSocketAddress;
    import java.net.Socket;
    import java.net.SocketTimeoutException;
    import java.net.UnknownHostException;
     
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
     
    public class SocketClient {
     
    final Logger logger = LoggerFactory.getLogger(this.getClass());
     
    private Socket socket;
     
    public SocketClient() {
     
    }
     
    public SocketClient(String connectIp, String connectPort,
      String connectTime, String readTime) throws SocketTimeoutException,
      ConnectException, UnknownHostException, Exception {
      createSocket(connectIp, connectPort, connectTime, readTime);
    }
     
    private void createSocket(String hostName, String port, String connectTime,
    String readTime) throws SocketTimeoutException, ConnectException,
      UnknownHostException, Exception {
      InetAddress address = InetAddress.getByName(hostName);
      int timeOut = Integer.parseInt(connectTime);
      int readTimeOut = Integer.parseInt(readTime);
      socket = new Socket();
      int connectPort = Integer.valueOf(port);
      InetSocketAddress socketAddr = new InetSocketAddress(address,
      connectPort);
      // 连接后返回结果超时时间
      socket.setSoTimeout(readTimeOut);
      socket.setReuseAddress(true);
      socket.connect(socketAddr, timeOut);
    }
     
    public void sendData(byte[] data) throws IOException,RuntimeException{
      DataOutputStream dos = null;
     
    try {
      dos = new DataOutputStream(socket.getOutputStream());
      dos.writeInt(data.length);
      dos.write(data);
    } catch (IOException e) {
      e.printStackTrace();
    } catch (RuntimeException e) {
      e.printStackTrace();
    } finally {
      if (dos != null) {
        dos.close();
      }
      }
    }
     
    public byte[] recvData() throws Exception {
      byte[] data = null;
      DataInputStream dis = null;
     
      try {
        dis = new DataInputStream(socket.getInputStream());
        int dataLen = dis.readInt();
        data = new byte[dataLen];
        dis.readFully(data);
        } catch (IOException e) {
          e.printStackTrace();
        }finally {
          if (dis != null) {
            dis.close();
          }
        }
        return data;
    }
     
    public void destory()  {
    if (this.socket != null && !this.socket.isClosed()) {
      try {
        this.socket.close();
        this.socket = null;
        } catch (IOException e) {
        logger.error("Socket Destory Error",e);
        }
        }
      }
    }

    加载hdfs中的模板文件,并转化为map形式嵌入项目中,存入内存缓存

    import java.io.IOException;
    import java.io.InputStream;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    
    import org.apache.commons.io.IOUtils;
    import org.apache.commons.lang3.StringUtils;
    import org.apache.hadoop.fs.FileSystem;
    import org.apache.hadoop.fs.Path;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    
    public class LoadHdfsTemplate {
        static final Logger logger = LoggerFactory
                .getLogger(LoadHdfsTemplate.class);
        
        protected FileSystem fileSystem;
        
        public final boolean checkFile(String filePath) {
            boolean exists = false;
            try {
                Path path = new Path(filePath);
                exists = fileSystem.exists(path);
            } catch (IOException e) {
                logger.error("模板文件不存在!", e);
            } catch (Exception e) {
                logger.error("", e);
            }
            return exists;
        }
        
        public Map<String,Object> readHdfsFile(String hdfsPath) throws IOException{
            Path path = new Path(hdfsPath);
            InputStream in = fileSystem.open(path);
            List<String> lines = IOUtils.readLines(in);
            if(null == lines || lines.isEmpty()){
                return null;
            }
            Map<String,Object> map = new HashMap<String,Object>();
            int rowNum = 0;
            for(String line : lines){
                rowNum++;
                String[] content = line.split("    ");
                String code = content[0];
                String template = content[1];
                if(StringUtils.isEmpty(line) || StringUtils.isEmpty(template)){
                    logger.error("第{}条模板格式错误!内容为:{}",rowNum,line);
                    continue;
                }
                map.put(code, template);
            }
            return map;
            
        }
    }

    加载本地文件,用于测试

    import java.io.File;
    import java.io.IOException;
    import java.util.HashMap;
    import java.util.Map;
    
    import org.apache.commons.lang3.StringUtils;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import com.google.common.base.Charsets;
    import com.google.common.io.Files;
    import com.google.common.io.LineProcessor;
    
    public class LoadTemplate{
        
        final Logger logger = LoggerFactory.getLogger(LoadTemplate.class);
    
        private String filePath = "D:/template.txt";
        
        public Map<String,Object> templateMap = new HashMap<String,Object>();
        
        public Map<String, Object> loadTemplate() {
            try {
                File file = new File(filePath);
                Integer lineCount = Files.readLines(file, Charsets.UTF_8,
                        new LineProcessor<Integer>() {
                            private int lineCount;
    
                            public boolean processLine(String line)
                                    throws IOException {
                                doSync(line);
                                lineCount++;
                                logger.debug("{} :  {}", lineCount, line);
                                return true;
                            }
    
                            public Integer getResult() {
                                return lineCount;
                            }
                        });
                
                
                logger.info("读取{}行数据。", lineCount);
            } catch (Exception e) {
                logger.error("载入模板文件出错!", e);
            }
            return templateMap;
        }
        
        private void doSync(String line) {
            if(StringUtils.isEmpty(line)){
                return;
            }
            
            String[] content = line.split("    ");
            String code = content[0];
            String template = content[1];
            templateMap.put(code, template);
        }
    }

    解析发送的xml模板: (这里说明下,在系统调用时候,会传入调用的接口对应的模板,与封装的对应模板的值,与模板进行匹配封装)

    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;

    import org.apache.commons.lang3.StringUtils;
    import org.dom4j.Document;
    import org.dom4j.DocumentException;
    import org.dom4j.DocumentHelper;
    import org.dom4j.Element;

    import com.google.common.base.Preconditions;

    public class ParseTemplate {

    public Map<String,Object> parseData(Map<String,Object> data,String template) throws DocumentException{
    Map<String,Object> parseMap = new HashMap<String,Object>();
      Document documnet = DocumentHelper.parseText(template);
      Element root = documnet.getRootElement();
      Element headElement = root.element("Head");
      Preconditions.checkArgument(headElement != null, "XML中无Head元素");
      HeadElements(parseMap,headElement);

      Element bodyElement = root.element("body");
      if(null == bodyElement){
        bodyElement = root.element("Body");
      }else{
        Preconditions.checkArgument(bodyElement != null, "XML中无body元素");
      }
      bodyElements(data,bodyElement);
      parseMap.put("message", "<?xml version='1.0' encoding='gb18030'?>"+root.asXML());
      return parseMap;
    }
    //
    @SuppressWarnings("unchecked")
    private void HeadElements(Map<String,Object> parseMap , Element parentElement) {
      List<Element> fieldElements = parentElement.elements();
      for (Element fieldElement : fieldElements) {
        if(fieldElement.getName().equals("RequestType")){
          parentElement.remove(fieldElement);
          parseMap.put("RequestType", fieldElement.getText());
        }
        if(fieldElement.getName().equals("RequestIp")){
          parentElement.remove(fieldElement);
          parseMap.put("RequestIp", fieldElement.getText());
        }
        if(fieldElement.getName().equals("RequestPort")){
          parentElement.remove(fieldElement);
          parseMap.put("RequestPort", fieldElement.getText());
        }
        if(fieldElement.getName().equals("CreateTime")){
          String now = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
          fieldElement.setText(now);
        }
      }
    }

    @SuppressWarnings("unchecked")
    private void bodyElements(Map<String,Object> data , Element parentElement) {
    @SuppressWarnings("rawtypes")
      Iterator iter = parentElement.elementIterator();
      while(iter.hasNext()){
        Element childElement = (Element) iter.next();
        String filedName = childElement.getName();
        if(filedName.equals("field")){ //如果数据为filed,则进行填充处理
          String name = childElement.attributeValue("name");
          String value = (String) data.get(name);
          if(null != value){
            childElement.setText(value);
          }
        }else if(filedName.equals("struct")){
        //如果存在该节点对应的field填充数据,则进行后续处理
        String name = childElement.attributeValue("name");
        if(data.containsKey(name)){
          Map<String,Object> childData = (Map<String, Object>) data.get(name);
          bodyElements(childData, childElement);
        }
      }
    }
    }

    /**
    * 解析返回报文
    * @param input
    * @return
    * @throws DocumentException
    */
    public Map<String,Object> parseXml(String input) throws DocumentException{
      Map<String, Object> resultMap = new HashMap<String,Object>();
      Map<String,Object> result = new HashMap<String,Object>();
      Document documnet = DocumentHelper.parseText(input);
      Element root = documnet.getRootElement();
      Element headElement = root.element("Head");
      Preconditions.checkArgument(headElement != null, "XML中无Head元素");
      result.putAll(setHeadData(resultMap, headElement));
      Element bodyElement = root.element("Body");
      Preconditions.checkArgument(bodyElement != null, "XML中无Body元素");
      result.putAll(setBodyData(resultMap, bodyElement));
      return result;
    }

    @SuppressWarnings("unchecked")
    public Map<String,Object> setHeadData(Map<String,Object> dataMap,Element parentElement){
      List<Element> fieldElements = parentElement.elements();
      for (Element fieldElement : fieldElements) {
        String name = fieldElement.getName();
        String value = fieldElement.getText();
        dataMap.put(name, value);
      }
      return dataMap;

    }

    @SuppressWarnings("unchecked")
    private Map<String,Object> setBodyData(Map<String, Object> dataMap, Element parentElement) {
      List<Element> fieldElements = parentElement.elements("field");
      if(fieldElements.size() != 0){
        Preconditions.checkArgument(
        (fieldElements != null && !fieldElements.isEmpty()),
        "XML缺少field元素");
        for (Element fieldElement : fieldElements) {
          String name = fieldElement.attributeValue("name");
          String value = StringUtils.trimToNull(fieldElement.getTextTrim());
          dataMap.put(name, value);
        }
      }
      return dataMap;
    }
    }

    方法调用入口: 从xml解析获得的连接方式为socket或http及其Ip和port 进行相应连接,发送并返回请求数据,随之进行解析封装入map,供应用系统提取使用字段值。

    import java.io.UnsupportedEncodingException;
    import java.util.Map;
    
    import org.apache.commons.lang3.StringUtils;
    import org.dom4j.DocumentException;
    
    import Http.HttpConnect;
    import Socket.SocketClient;
    
    import temlateRead.ParseTemplate;
    
    public class InterFaceCall {
        
        public  Map<String,Object> getMessage(Map<String,Object> map,String template){
            if(null != map && StringUtils.isNotBlank(template) && !map.isEmpty()){
                try{
                    //解析封装模板
                    ParseTemplate parse = new ParseTemplate();
                    Map<String,Object> sendData = parse.parseData(map,template);
                    //连接方式
                    String connectType = (String) sendData.get("RequestType");
                    String connectIp = (String) sendData.get("RequestIp");
                    String connectPort = (String) sendData.get("RequestPort");
                    if("socket".equals(connectType)){
                        String content = (String) sendData.get("message");
                        SocketClient socketClient = new SocketClient(connectIp,connectPort); 
                        socketClient.sendData(content.getBytes());
                        byte[] res = socketClient.recvData();
                        String resultData =  new String(res,"gb18030");
                        map = parse.parseXml(resultData);
                    }else if("http".equals(connectType)){
                        HttpConnect request = new HttpConnect();
                        String resultData = request.getMessages(sendData);
                        map = parse.parseXml(resultData);
                    }
                }catch(DocumentException e){
                    map.put("errorMessage", e);
                    e.printStackTrace();
                }catch (UnsupportedEncodingException e) {
                    map.put("errorMessage", e);
                    e.printStackTrace();
                }catch(Exception e){
                    map.put("errorMessage", e);
                    e.printStackTrace();
                }
            }else{
                map.put("errorMessage", "传入数据或模板不能为空"); } return map; } }

    测试类:

    public static void main(String args[]){
            String cusUseCashAmount = "";
            Map<String,Object> resultData = null;
            String template = "";
            LoadTemplate aaa = new LoadTemplate();
            Map<String,Object> temp = aaa.loadTemplate();;
            //从****接口获取用户可用取现金额
            String cardNo = "";
            template = (String) temp.get("****");
            InterFaceCall DataMap = new InterFaceCall();
            Map<String,Object> sendData = new HashMap<String,Object>();
            String SeqNo = UUID.randomUUID().toString().replace("-", "");
            sendData.put("TrxType", "10010");
            ......
            resultData = DataMap.getMessage(sendData, template);
            cusUseCashAmount = (String)resultData.get("value1");
        }

     整理还没有完善,异常处理以及压力测试还没有进行,有空还要重写下。

      

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  • 原文地址:https://www.cnblogs.com/yangsy0915/p/5760539.html
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