package com.zhouwuji.test; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; /** * 功能描述 * 加密常用类 */ public class EncryptUtil { // 密钥是16位长度的byte[]进行Base64转换后得到的字符串 // public static String key = "LmMGStGtOpF4xNyvYt54EQ=="; /** * <li> * 方法名称:encrypt</li> <li> * 加密方法 * @param xmlStr * 需要加密的消息字符串 * @return 加密后的字符串 */ public static String encrypt(String xmlStr,String key) { byte[] encrypt = null; try { // 取需要加密内容的utf-8编码。 encrypt = xmlStr.getBytes("utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } // 取MD5Hash码,并组合加密数组 byte[] md5Hasn = null; try { md5Hasn = EncryptUtil.MD5Hash(encrypt, 0, encrypt.length); } catch (Exception e) { e.printStackTrace(); } // 组合消息体 byte[] totalByte = EncryptUtil.addMD5(md5Hasn, encrypt); // 取密钥和偏转向量 byte[] key1 = new byte[8]; byte[] iv = new byte[8]; getKeyIV(key, key1, iv); SecretKeySpec deskey = new SecretKeySpec(key1, "DES"); IvParameterSpec ivParam = new IvParameterSpec(iv); // 使用DES算法使用加密消息体 byte[] temp = null; try { temp = EncryptUtil.DES_CBC_Encrypt(totalByte, deskey, ivParam); } catch (Exception e) { e.printStackTrace(); } // 使用Base64加密后返回 return new BASE64Encoder().encode(temp); } /** * <li> * 方法名称:encrypt</li> <li> * 功能描述: * * <pre> * 解密方法 * </pre> * * </li> * * @param xmlStr * 需要解密的消息字符串 * @return 解密后的字符串 * @throws Exception */ public static String decrypt(String xmlStr,String key) throws Exception { // base64解码 BASE64Decoder decoder = new BASE64Decoder(); byte[] encBuf = null; try { encBuf = decoder.decodeBuffer(xmlStr); } catch (IOException e) { e.printStackTrace(); } // 取密钥和偏转向量 byte[] key1 = new byte[8]; byte[] iv = new byte[8]; getKeyIV(key, key1, iv); SecretKeySpec deskey = new SecretKeySpec(key1, "DES"); IvParameterSpec ivParam = new IvParameterSpec(iv); // 使用DES算法解密 byte[] temp = null; try { temp = EncryptUtil.DES_CBC_Decrypt(encBuf, deskey, ivParam); } catch (Exception e) { e.printStackTrace(); } // 进行解密后的md5Hash校验 byte[] md5Hash = null; try { md5Hash = EncryptUtil.MD5Hash(temp, 16, temp.length - 16); } catch (Exception e) { e.printStackTrace(); } // 进行解密校检 for (int i = 0; i < md5Hash.length; i++) { if (md5Hash[i] != temp[i]) { // System.out.println(md5Hash[i] + "MD5校验错误。" + temp[i]); throw new Exception("MD5校验错误。"); } } // 返回解密后的数组,其中前16位MD5Hash码要除去。 return new String(temp, 16, temp.length - 16, "utf-8"); } /** * <li> * 方法名称:TripleDES_CBC_Encrypt</li> <li> * 功能描述: * * <pre> * 经过封装的三重DES/CBC加密算法,如果包含中文,请注意编码。 * </pre> * * </li> * * @param sourceBuf * 需要加密内容的字节数组。 * @param deskey * KEY 由24位字节数组通过SecretKeySpec类转换而成。 * @param ivParam * IV偏转向量,由8位字节数组通过IvParameterSpec类转换而成。 * @return 加密后的字节数组 * @throws Exception */ public static byte[] TripleDES_CBC_Encrypt(byte[] sourceBuf, SecretKeySpec deskey, IvParameterSpec ivParam) throws Exception { byte[] cipherByte; // 使用DES对称加密算法的CBC模式加密 Cipher encrypt = Cipher.getInstance("TripleDES/CBC/PKCS5Padding"); encrypt.init(Cipher.ENCRYPT_MODE, deskey, ivParam); cipherByte = encrypt.doFinal(sourceBuf, 0, sourceBuf.length); // 返回加密后的字节数组 return cipherByte; } /** * <li> * 方法名称:TripleDES_CBC_Decrypt</li> <li> * 功能描述: * * <pre> * 经过封装的三重DES / CBC解密算法 * </pre> * * </li> * * @param sourceBuf * 需要解密内容的字节数组 * @param deskey * KEY 由24位字节数组通过SecretKeySpec类转换而成。 * @param ivParam * IV偏转向量,由6位字节数组通过IvParameterSpec类转换而成。 * @return 解密后的字节数组 * @throws Exception */ public static byte[] TripleDES_CBC_Decrypt(byte[] sourceBuf, SecretKeySpec deskey, IvParameterSpec ivParam) throws Exception { byte[] cipherByte; // 获得Cipher实例,使用CBC模式。 Cipher decrypt = Cipher.getInstance("TripleDES/CBC/PKCS5Padding"); // 初始化加密实例,定义为解密功能,并传入密钥,偏转向量 decrypt.init(Cipher.DECRYPT_MODE, deskey, ivParam); cipherByte = decrypt.doFinal(sourceBuf, 0, sourceBuf.length); // 返回解密后的字节数组 return cipherByte; } /** * <li> * 方法名称:DES_CBC_Encrypt</li> <li> * 功能描述: * * <pre> * 经过封装的DES/CBC加密算法,如果包含中文,请注意编码。 * </pre> * * </li> * * @param sourceBuf * 需要加密内容的字节数组。 * @param deskey * KEY 由8位字节数组通过SecretKeySpec类转换而成。 * @param ivParam * IV偏转向量,由8位字节数组通过IvParameterSpec类转换而成。 * @return 加密后的字节数组 * @throws Exception */ public static byte[] DES_CBC_Encrypt(byte[] sourceBuf, SecretKeySpec deskey, IvParameterSpec ivParam) throws Exception { byte[] cipherByte; // 使用DES对称加密算法的CBC模式加密 Cipher encrypt = Cipher.getInstance("DES/CBC/PKCS5Padding"); encrypt.init(Cipher.ENCRYPT_MODE, deskey, ivParam); cipherByte = encrypt.doFinal(sourceBuf, 0, sourceBuf.length); // 返回加密后的字节数组 return cipherByte; } /** * <li> * 方法名称:DES_CBC_Decrypt</li> <li> * 功能描述: * * <pre> * 经过封装的DES/CBC解密算法。 * </pre> * * </li> * * @param sourceBuf * 需要解密内容的字节数组 * @param deskey * KEY 由8位字节数组通过SecretKeySpec类转换而成。 * @param ivParam * IV偏转向量,由6位字节数组通过IvParameterSpec类转换而成。 * @return 解密后的字节数组 * @throws Exception */ public static byte[] DES_CBC_Decrypt(byte[] sourceBuf, SecretKeySpec deskey, IvParameterSpec ivParam) throws Exception { byte[] cipherByte; // 获得Cipher实例,使用CBC模式。 Cipher decrypt = Cipher.getInstance("DES/CBC/PKCS5Padding"); // 初始化加密实例,定义为解密功能,并传入密钥,偏转向量 decrypt.init(Cipher.DECRYPT_MODE, deskey, ivParam); cipherByte = decrypt.doFinal(sourceBuf, 0, sourceBuf.length); // 返回解密后的字节数组 return cipherByte; } /** * <li> * 方法名称:MD5Hash</li> <li> * 功能描述: * * <pre> * MD5,进行了简单的封装,以适用于加,解密字符串的校验。 * </pre> * * </li> * * @param buf * 需要MD5加密字节数组。 * @param offset * 加密数据起始位置。 * @param length * 需要加密的数组长度。 * @return * @throws Exception */ public static byte[] MD5Hash(byte[] buf, int offset, int length) throws Exception { MessageDigest md = MessageDigest.getInstance("MD5"); md.update(buf, offset, length); return md.digest(); } /** * <li> * 方法名称:byte2hex</li> <li> * 功能描述: * * <pre> * 字节数组转换为二行制表示 * </pre> * * </li> * * @param inStr * 需要转换字节数组。 * @return 字节数组的二进制表示。 */ public static String byte2hex(byte[] inStr) { String stmp; StringBuffer out = new StringBuffer(inStr.length * 2); for (int n = 0; n < inStr.length; n++) { // 字节做"与"运算,去除高位置字节 11111111 stmp = Integer.toHexString(inStr[n] & 0xFF); if (stmp.length() == 1) { // 如果是0至F的单位字符串,则添加0 out.append("0" + stmp); } else { out.append(stmp); } } return out.toString(); } /** * <li> * 方法名称:addMD5</li> <li> * 功能描述: * * <pre> * MD校验码 组合方法,前16位放MD5Hash码。 把MD5验证码byte[],加密内容byte[]组合的方法。 * </pre> * * </li> * * @param md5Byte * 加密内容的MD5Hash字节数组。 * @param bodyByte * 加密内容字节数组 * @return 组合后的字节数组,比加密内容长16个字节。 */ public static byte[] addMD5(byte[] md5Byte, byte[] bodyByte) { int length = bodyByte.length + md5Byte.length; byte[] resutlByte = new byte[length]; // 前16位放MD5Hash码 for (int i = 0; i < length; i++) { if (i < md5Byte.length) { resutlByte[i] = md5Byte[i]; } else { resutlByte[i] = bodyByte[i - md5Byte.length]; } } return resutlByte; } /** * <li> * 方法名称:getKeyIV</li> <li> * 功能描述: * * <pre> * * </pre> * </li> * * @param encryptKey * @param key * @param iv */ public static void getKeyIV(String encryptKey, byte[] key, byte[] iv) { // 密钥Base64解密 BASE64Decoder decoder = new BASE64Decoder(); byte[] buf = null; try { buf = decoder.decodeBuffer(encryptKey); } catch (IOException e) { e.printStackTrace(); } // 前8位为key int i; for (i = 0; i < key.length; i++) { key[i] = buf[i]; } // 后8位为iv向量 for (i = 0; i < iv.length; i++) { iv[i] = buf[i + 8]; } } public static void main(String[] args) throws Exception { System.out.println(encrypt("欧长璐","LmMGStGtOpF4xNyvYt54EQ==")); System.err.println(decrypt(null,"LmMGStGtOpF4xNyvYt54EQ==")); } }
package com.zhouwuji.test; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ContentType; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.entity.mime.content.StringBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; /** * @web http://www.mobctrl.net * @author Zheng Haibo * @Description: 文件下载 POST GET */ public class HttpClientUtils { /** * 最大线程池 */ public static final int THREAD_POOL_SIZE = 5; public interface HttpClientDownLoadProgress { public void onProgress(int progress); } private static HttpClientUtils httpClientDownload; private ExecutorService downloadExcutorService; private HttpClientUtils() { downloadExcutorService = Executors.newFixedThreadPool(THREAD_POOL_SIZE); } public static HttpClientUtils getInstance() { if (httpClientDownload == null) { httpClientDownload = new HttpClientUtils(); } return httpClientDownload; } /** * 下载文件 * * @param url * @param filePath */ public void download(final String url, final String filePath) { downloadExcutorService.execute(new Runnable() { public void run() { httpDownloadFile(url, filePath, null, null); } }); } /** * 下载文件 * * @param url 请求地址 * @param filePath 保存路径 * @param progress 进度回调 * @param headMap 传输参数 */ public void download(final String url, final String filePath, final HttpClientDownLoadProgress progress) { downloadExcutorService.execute(new Runnable() { public void run() { httpDownloadFile(url, filePath, progress, null); } }); } /** * 下载文件 * * @param url * @param filePath */ private void httpDownloadFile(String url, String filePath, HttpClientDownLoadProgress progress, Map<String, String> headMap) { CloseableHttpClient httpclient = HttpClients.createDefault(); try { HttpGet httpGet = new HttpGet(url); setGetHead(httpGet, headMap); CloseableHttpResponse response1 = httpclient.execute(httpGet); try { System.out.println(response1.getStatusLine()); HttpEntity httpEntity = response1.getEntity(); long contentLength = httpEntity.getContentLength(); InputStream is = httpEntity.getContent(); // 根据InputStream 下载文件 ByteArrayOutputStream output = new ByteArrayOutputStream(); byte[] buffer = new byte[4096]; int r = 0; long totalRead = 0; while ((r = is.read(buffer)) > 0) { output.write(buffer, 0, r); totalRead += r; if (progress != null) {// 回调进度 progress.onProgress((int) (totalRead * 100 / contentLength)); } } FileOutputStream fos = new FileOutputStream(filePath); output.writeTo(fos); output.flush(); output.close(); fos.close(); EntityUtils.consume(httpEntity); } finally { response1.close(); } } catch (Exception e) { e.printStackTrace(); } finally { try { httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } } /** * get请求 * * @param url * @return */ public String httpGet(String url) { return httpGet(url, null); } /** * http get请求 * * @param url * @return */ public String httpGet(String url, Map<String, String> headMap) { String responseContent = null; CloseableHttpClient httpclient = HttpClients.createDefault(); try { HttpGet httpGet = new HttpGet(url); CloseableHttpResponse response1 = httpclient.execute(httpGet); setGetHead(httpGet, headMap); try { System.out.println(response1.getStatusLine()); HttpEntity entity = response1.getEntity(); responseContent = getRespString(entity); System.out.println("debug:" + responseContent); EntityUtils.consume(entity); } finally { response1.close(); } } catch (Exception e) { e.printStackTrace(); } finally { try { httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } return responseContent; } public String httpPost(String url, Map<String, String> paramsMap) { return httpPost(url, paramsMap, null); } /** * http的post请求 * * @param url * @param paramsMap * @return */ public String httpPost(String url, Map<String, String> paramsMap, Map<String, String> headMap) { String responseContent = null; CloseableHttpClient httpclient = HttpClients.createDefault(); try { HttpPost httpPost = new HttpPost(url); setPostHead(httpPost, headMap); setPostParams(httpPost, paramsMap); CloseableHttpResponse response = httpclient.execute(httpPost); try { System.out.println(response.getStatusLine()); HttpEntity entity = response.getEntity(); responseContent = getRespString(entity); EntityUtils.consume(entity); } finally { response.close(); } } catch (Exception e) { e.printStackTrace(); } finally { try { httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } System.out.println("responseContent = " + responseContent); return responseContent; } /** * 设置POST的参数 * * @param httpPost * @param paramsMap * @throws Exception */ private void setPostParams(HttpPost httpPost, Map<String, String> paramsMap) throws Exception { if (paramsMap != null && paramsMap.size() > 0) { List<NameValuePair> nvps = new ArrayList<NameValuePair>(); Set<String> keySet = paramsMap.keySet(); for (String key : keySet) { nvps.add(new BasicNameValuePair(key, paramsMap.get(key))); } httpPost.setEntity(new UrlEncodedFormEntity(nvps)); } } /** * 设置http的HEAD * * @param httpPost * @param headMap */ private void setPostHead(HttpPost httpPost, Map<String, String> headMap) { if (headMap != null && headMap.size() > 0) { Set<String> keySet = headMap.keySet(); for (String key : keySet) { httpPost.addHeader(key, headMap.get(key)); } } } /** * 设置http的HEAD * * @param httpGet * @param headMap */ private void setGetHead(HttpGet httpGet, Map<String, String> headMap) { if (headMap != null && headMap.size() > 0) { Set<String> keySet = headMap.keySet(); for (String key : keySet) { httpGet.addHeader(key, headMap.get(key)); } } } /** * 上传文件 * * @param serverUrl * 服务器地址 * @param localFilePath * 本地文件路径 * @param serverFieldName * @param params * @return * @throws Exception */ public String uploadFileImpl(String serverUrl, String localFilePath, String serverFieldName, Map<String, String> params) throws Exception { String respStr = null; CloseableHttpClient httpclient = HttpClients.createDefault(); try { HttpPost httppost = new HttpPost(serverUrl); FileBody binFileBody = new FileBody(new File(localFilePath)); MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder .create(); // add the file params multipartEntityBuilder.addPart(serverFieldName, binFileBody); // 设置上传的其他参数 setUploadParams(multipartEntityBuilder, params); HttpEntity reqEntity = multipartEntityBuilder.build(); httppost.setEntity(reqEntity); CloseableHttpResponse response = httpclient.execute(httppost); try { System.out.println(response.getStatusLine()); HttpEntity resEntity = response.getEntity(); respStr = getRespString(resEntity); EntityUtils.consume(resEntity); } finally { response.close(); } } finally { httpclient.close(); } System.out.println("resp=" + respStr); return respStr; } /** * 设置上传文件时所附带的其他参数 * * @param multipartEntityBuilder * @param params */ private void setUploadParams(MultipartEntityBuilder multipartEntityBuilder, Map<String, String> params) { if (params != null && params.size() > 0) { Set<String> keys = params.keySet(); for (String key : keys) { multipartEntityBuilder .addPart(key, new StringBody(params.get(key), ContentType.TEXT_PLAIN)); } } } /** * 将返回结果转化为String * * @param entity * @return * @throws Exception */ private String getRespString(HttpEntity entity) throws Exception { if (entity == null) { return null; } InputStream is = entity.getContent(); StringBuffer strBuf = new StringBuffer(); byte[] buffer = new byte[4096]; int r = 0; while ((r = is.read(buffer)) > 0) { strBuf.append(new String(buffer, 0, r, "UTF-8")); } return strBuf.toString(); } }
package com.zhouwuji.test; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; import org.apache.http.ParseException; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ContentType; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.entity.mime.content.StringBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import com.zhouwuji.test.HttpClientUtils.HttpClientDownLoadProgress; public class Test1 { public static void main(String[] args) throws Exception { // POST 同步方法 /* Map<String, String> params = new HashMap<String, String>(); params.put("username",EncryptUtil.encrypt("admin", "LmMGStGtOpF4xNyvYt54EQ==")); params.put("password",EncryptUtil.encrypt("123456", "LmMGStGtOpF4xNyvYt54EQ==")); params.put("key", "LmMGStGtOpF4xNyvYt54EQ=="); String body =HttpClientUtils.getInstance().httpPost("http://localhost:8080/project/json.do", params); ObjectMapper mapper1 = new ObjectMapper(); List<Use> beanList = mapper1.readValue(body, new TypeReference<List<Use>>() {}); for (Use use : beanList) { use.setName(EncryptUtil.decrypt(use.getName(), "LmMGStGtOpF4xNyvYt54EQ==")); System.out.println(use); }*/ /*HTTP/1.1 200 OK responseContent = [{"id":1,"name":"vHu9nk1qto0KjJE2bLqZDB7bmKezfapX","sex":"男"},{"id":2,"name":"sOisTida7RFXgb6jyBqt7sZfBdLwl1Uc","sex":"男"},{"id":3,"name":"cAZluNisTuWp5p7efVK2R9uUpvVpIfiE","sex":"女"}] Use [id=1, name=张三, sex=男] Use [id=2, name=李四, sex=男] Use [id=3, name=西施, sex=女] */ // GET 同步方法 /* String body= HttpClientUtils.getInstance().httpGet( "http://localhost:8080/project/json.do?username=abc"); System.out.println(body);*/ // 上传文件 POST 同步方法 try { Map<String,String> uploadParams = new LinkedHashMap<String, String>(); uploadParams.put("username", "image"); uploadParams.put("userImageFileName", "testaa.png"); HttpClientUtils.getInstance().uploadFileImpl( "http://localhost:8080/project/upload.do", "D:/xp/test/sendLogDetail_201801.txt", "uploadfile", uploadParams); } catch (Exception e) { e.printStackTrace(); } /** * 测试下载文件 异步下载 */ HttpClientUtils.getInstance().download( "http://localhost:8080/project/download.do?filename=sendLogDetail_201801.txt", "D:\xp\test\text.txt", new HttpClientDownLoadProgress() { public void onProgress(int progress) { System.out.println("download progress = " + progress); } }); } }
package com.zhouwuji.test; public class Use { private int id; private String name; private String sex; public Use(int id, String name, String sex) { super(); this.id = id; this.name = name; this.sex = sex; } public Use() { super(); } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } @Override public String toString() { return "Use [id=" + id + ", name=" + name + ", sex=" + sex + "]"; } }
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.zhouwji.test</groupId> <artifactId>Sitfriend</artifactId> <parent> <groupId>com.zhouwuji.test</groupId> <artifactId>parent</artifactId> <version>0.0.1-SNAPSHOT</version> <relativePath>../parent/pom.xml</relativePath> </parent> <properties> <commons.httpcomponents.httpclient.version>4.5.5</commons.httpcomponents.httpclient.version> <commons.httpcomponents.httpclient.cache.version>4.5.5</commons.httpcomponents.httpclient.cache.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>com.zhouwuji.test</groupId> <artifactId>Sit</artifactId> <version>0.0.2-SNAPSHOT</version> </dependency> <!-- 远程调用httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>${commons.httpcomponents.httpclient.version}</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient-cache</artifactId> <version>${commons.httpcomponents.httpclient.cache.version}</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpmime</artifactId> <version>4.5.5</version> </dependency> <!--转换json https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.9.3</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.9.3</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.3</version> </dependency> <dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.4</version> <classifier>jdk15</classifier> </dependency> </dependencies> </project>