data_fusion/DataFusion/src/com/zskk/service/DataService.java

package com.zskk.service;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.UUID;


import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import com.jfinal.kit.PropKit;

import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class DataService {
	
    private static String GET_EXAM_URL = "https://risserver3.pacsonline.cn/butt/getExam";
    
    private static String SAVE_REPORT_URL = "https://risserver3.pacsonline.cn/butt/saveReport";
    
    private static String SAVE_ANNEX_URL = "https://risserver3.pacsonline.cn/butt/saveAnnex";
	
    private static final OkHttpClient OKHTTP_CLIENT = new OkHttpClient();
    

    /**
     * 获取未出报告的检查列表
     * @param instutionId
     * @param number
     */
    public JSONArray getExamList(Integer number) {
    	Map <String,String> map = new HashMap<String,String>();
    	map.put("institution_id", PropKit.get("institution_id"));
    	map.put("num", number.toString());
		String content = postWithParameters(GET_EXAM_URL, map);
	    JSONObject jsonObject = JSON.parseObject(content);
	    if (!jsonObject.getString("msg").equals("success")) {
			return null;
		}
		JSONArray jsonArray = JSON.parseArray(jsonObject.getString("data"));		
		return jsonArray;
		
	}
    
    /**
     * 写入报告
     * @param instutionId
     * @param number
     */
    public void saveReport(Map <String,String> map) {
		postWithParameters(SAVE_REPORT_URL, map);
		
	}
    
    /**
     * 保存附件
     * @param instutionId
     * @param number
     */
    public void saveAnnex(Map <String,String> map, String filePath) {
    	String newUrl = filePath.replaceAll("\\\\", "/") ;
    	String fileNameStr[] = newUrl.split("/"); 
        String fileName = fileNameStr[fileNameStr.length-1];
        String fileStorePath =getFileWithUrl(newUrl, fileName);
    	File file =new File(fileStorePath);
        String eTag = getFileMd5(file); 
        String key = PropKit.get("institution_id")+"/"+eTag+".pdf"; 

        Boolean eBoolean = OSS_CLIENT.doesObjectExist(PropKit.get("oss_bucketName"), key);
        if (!eBoolean) {
        	OSS_CLIENT.putObject(PropKit.get("oss_bucketName"), key, file);
            Boolean bBoolean = OSS_CLIENT.doesObjectExist(PropKit.get("oss_bucketName"), key);
            if (bBoolean) {
            	file.delete();
            	map.put("url", "https://annex.oss.cn-north-3.inspurcloudoss.com/"+key);
            	map.put("name", key);
        		postWithParameters(SAVE_ANNEX_URL, map);
			}
		}
		
	}
    
    private String getFileMd5(File file) {
    	StringBuffer sb = new StringBuffer("");
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(FileUtils.readFileToByteArray(file));
            byte b[] = md.digest();
            int d;
            for (int i = 0; i < b.length; i++) {
                d = b[i];
                if (d < 0) {
                    d = b[i] & 0xff;
                    // 与上一行效果等同
                    // i += 256;
                }
                if (d < 16)
                    sb.append("0");
                sb.append(Integer.toHexString(d));
            }
        	System.out.println(sb);

        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return sb.toString();
	}
    
    public static String postWithParameters(String url, Map<String, String> map) {
    	
    	FormBody.Builder formbody = new FormBody.Builder();
    	
    	for (Map.Entry<String, String> entry : map.entrySet()) {
    		formbody.add(entry.getKey(), entry.getValue());
		}
		RequestBody requestBody = formbody.build();
		
		Request request = new Request.Builder()
		        .url(url)
		        .post(requestBody)
		        .build();

		    try (Response response = OKHTTP_CLIENT.newCall(request).execute()) {
		      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
		      String content = response.body().string();
		      return content;
		    } catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
				return null;
			}	
	}
    
    public static String getFileWithUrl(String url, String filename) {
    	
    	Request request = new Request.Builder()
    	        .url(url)
    	        .build();
    	try (Response response = OKHTTP_CLIENT.newCall(request).execute()) {
    	      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
              InputStream inputStream = response.body().source().inputStream();              
              //本地文件夹目录（下载位置）
              String folder = PropKit.get("oss_localPath"); 
              //下载文件保存位置
              String savepath=folder+"/"+filename;
              BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(new File(savepath)));
              byte[] data=new byte[1024];
              int len;
              int available = inputStream.available();
              while ((len=inputStream.read(data))!=-1){
                  bufferedOutputStream.write(data,0,len);
              }
              bufferedOutputStream.flush();
              bufferedOutputStream.close();
              inputStream.close();

    	      return savepath;

    	    } catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
		    	return "";

			}
	}
    
    public static void main(String[] args) {
//    	Map <String,String> map = new HashMap<String,String>();
//    	map.put("institution_id", "47600001");
//    	map.put("num", "10");
//		postWithParameters(GET_EXAM_URL, map);
    	
//   getFileWithUrl("https://annex.oss.cn-north-3.inspurcloudoss.com/111/b.pdf");

	
//		String bucketName = "annex";
//		String key = "111/a.pdf";
//		File file = new File("/Users/liutao/Desktop/asdadsad.pdf");
//
//				String endpoint       = "oss.cn-north-3.inspurcloudoss.com";
//						String		accessKey      = "ZGEzOTY3YWQtNWI1OC00Y2MxLWJmNTgtZWVhN2M0ZjI5NTI4";
//								String		secretKey      = "YTc1NDQwZjItOWQ1OS00N2E3LTg4YmQtZjNjNjgzNzRjODQ5";
//				OSSClientImpl ossClient = new OSSClientImpl(endpoint, accessKey, secretKey);
//
//				//简单文件上传
//				ossClient.putObject(bucketName, key, file);
//				ObjectMetadata objectMetadata = ossClient.getObjectMetadata(bucketName, "111/a.pdf");
//				
//				System.out.println(objectMetadata);
		
//创建OSSClient实例
		
//		Boolean aBoolean = ossClient.doesObjectExist(bucketName, key);
//		System.out.println(aBoolean);
	}

}