Java常用工具类集合（三）
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其他工具类
邮件发送工具类 SendMail.java
MD5编码工具类 MD5Code.java
[java] view plain copypackage com.util; /** * MD5编码工具类 * */ public class MD5Code { static final int S11 = 7; static final int S12 = 12; static final int S13 = 17; static final int S14 = 22; static final int S21 = 5; static final int S22 = 9; static final int S23 = 14; static final int S24 = 20; static final int S31 = 4; static final int S32 = 11; static final int S33 = 16; static final int S34 = 23; static final int S41 = 6; static final int S42 = 10; static final int S43 = 15; static final int S44 = 21; static final byte[] PADDING = { -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; private long[] state = new long[4];// state (ABCD) private long[] count = new long[2];// number of bits, modulo 2^64 (lsb // first) private byte[] buffer = new byte[64]; // input buffer public String digestHexStr; private byte[] digest = new byte[16]; public String getMD5ofStr(String inbuf) { md5Init(); md5Update(inbuf.getBytes(), inbuf.length()); md5Final(); digestHexStr = ""; for (int i = 0; i < 16; i++) { digestHexStr += byteHEX(digest[i]); } return digestHexStr; } public MD5Code() { md5Init(); return; } private void md5Init() { count[0] = 0L; count[1] = 0L; // /* Load magic initialization constants. state[0] = 0x67452301L; state[1] = 0xefcdab89L; state[2] = 0x98badcfeL; state[3] = 0x10325476L; return; } private long F(long x, long y, long z) { return (x & y) | ((~x) & z); } private long G(long x, long y, long z) { return (x & z) | (y & (~z)); } private long H(long x, long y, long z) { return x ^ y ^ z; } private long I(long x, long y, long z) { return y ^ (x | (~z)); } private long FF(long a, long b, long c, long d, long x, long s, long ac) { a += F(b, c, d) + x + ac; a = ((int) a << s) | ((int) a >>> (32 - s)); a += b; return a; } private long GG(long a, long b, long c, long d, long x, long s, long ac) { a += G(b, c, d) + x + ac; a = ((int) a << s) | ((int) a >>> (32 - s)); a += b; return a; } private long HH(long a, long b, long c, long d, long x, long s, long ac) { a += H(b, c, d) + x + ac; a = ((int) a << s) | ((int) a >>> (32 - s)); a += b; return a; } private long II(long a, long b, long c, long d, long x, long s, long ac) { a += I(b, c, d) + x + ac; a = ((int) a << s) | ((int) a >>> (32 - s)); a += b; return a; } private void md5Update(byte[] inbuf, int inputLen) { int i, index, partLen; byte[] block = new byte[64]; index = (int) (count[0] >>> 3) & 0x3F; // /* Update number of bits */ if ((count[0] += (inputLen << 3)) < (inputLen << 3)) count[1]++; count[1] += (inputLen >>> 29); partLen = 64 - index; // Transform as many times as possible. if (inputLen >= partLen) { md5Memcpy(buffer, inbuf, index, 0, partLen); md5Transform(buffer); for (i = partLen; i + 63 < inputLen; i += 64) { md5Memcpy(block, inbuf, 0, i, 64); md5Transform(block); } index = 0; } else i = 0; // /* Buffer remaining input */ md5Memcpy(buffer, inbuf, index, i, inputLen - i); } private void md5Final() { byte[] bits = new byte[8]; int index, padLen; // /* Save number of bits */ Encode(bits, count, 8); // /* Pad out to 56 mod 64. index = (int) (count[0] >>> 3) & 0x3f; padLen = (index < 56) ? (56 - index) : (120 - index); md5Update(PADDING, padLen); // /* Append length (before padding) */ md5Update(bits, 8); // /* Store state in digest */ Encode(digest, state, 16); } private void md5Memcpy(byte[] output, byte[] input, int outpos, int inpos, int len) { int i; for (i = 0; i < len; i++) output[outpos + i] = input[inpos + i]; } private void md5Transform(byte block[]) { long a = state[0], b = state[1], c = state[2], d = state[3]; long[] x = new long[16]; Decode(x, block, 64); /* Round 1 */ a = FF(a, b, c, d, x[0], S11, 0xd76aa478L); /* 1 */ d = FF(d, a, b, c, x[1], S12, 0xe8c7b756L); /* 2 */ c = FF(c, d, a, b, x[2], S13, 0x242070dbL); /* 3 */ b = FF(b, c, d, a, x[3], S14, 0xc1bdceeeL); /* 4 */ a = FF(a, b, c, d, x[4], S11, 0xf57c0fafL); /* 5 */ d = FF(d, a, b, c, x[5], S12, 0x4787c62aL); /* 6 */ c = FF(c, d, a, b, x[6], S13, 0xa8304613L); /* 7 */ b = FF(b, c, d, a, x[7], S14, 0xfd469501L); /* 8 */ a = FF(a, b, c, d, x[8], S11, 0x698098d8L); /* 9 */ d = FF(d, a, b, c, x[9], S12, 0x8b44f7afL); /* 10 */ c = FF(c, d, a, b, x[10], S13, 0xffff5bb1L); /* 11 */ b = FF(b, c, d, a, x[11], S14, 0x895cd7beL); /* 12 */ a = FF(a, b, c, d, x[12], S11, 0x6b901122L); /* 13 */ d = FF(d, a, b, c, x[13], S12, 0xfd987193L); /* 14 */ c = FF(c, d, a, b, x[14], S13, 0xa679438eL); /* 15 */ b = FF(b, c, d, a, x[15], S14, 0x49b40821L); /* 16 */ /* Round 2 */ a = GG(a, b, c, d, x[1], S21, 0xf61e2562L); /* 17 */ d = GG(d, a, b, c, x[6], S22, 0xc040b340L); /* 18 */ c = GG(c, d, a, b, x[11], S23, 0x265e5a51L); /* 19 */ b = GG(b, c, d, a, x[0], S24, 0xe9b6c7aaL); /* 20 */ a = GG(a, b, c, d, x[5], S21, 0xd62f105dL); /* 21 */ d = GG(d, a, b, c, x[10], S22, 0x2441453L); /* 22 */ c = GG(c, d, a, b, x[15], S23, 0xd8a1e681L); /* 23 */ b = GG(b, c, d, a, x[4], S24, 0xe7d3fbc8L); /* 24 */ a = GG(a, b, c, d, x[9], S21, 0x21e1cde6L); /* 25 */ d = GG(d, a, b, c, x[14], S22, 0xc33707d6L); /* 26 */ c = GG(c, d, a, b, x[3], S23, 0xf4d50d87L); /* 27 */ b = GG(b, c, d, a, x[8], S24, 0x455a14edL); /* 28 */ a = GG(a, b, c, d, x[13], S21, 0xa9e3e905L); /* 29 */ d = GG(d, a, b, c, x[2], S22, 0xfcefa3f8L); /* 30 */ c = GG(c, d, a, b, x[7], S23, 0x676f02d9L); /* 31 */ b = GG(b, c, d, a, x[12], S24, 0x8d2a4c8aL); /* 32 */ /* Round 3 */ a = HH(a, b, c, d, x[5], S31, 0xfffa3942L); /* 33 */ d = HH(d, a, b, c, x[8], S32, 0x8771f681L); /* 34 */ c = HH(c, d, a, b, x[11], S33, 0x6d9d6122L); /* 35 */ b = HH(b, c, d, a, x[14], S34, 0xfde5380cL); /* 36 */ a = HH(a, b, c, d, x[1], S31, 0xa4beea44L); /* 37 */ d = HH(d, a, b, c, x[4], S32, 0x4bdecfa9L); /* 38 */ c = HH(c, d, a, b, x[7], S33, 0xf6bb4b60L); /* 39 */ b = HH(b, c, d, a, x[10], S34, 0xbebfbc70L); /* 40 */ a = HH(a, b, c, d, x[13], S31, 0x289b7ec6L); /* 41 */ d = HH(d, a, b, c, x[0], S32, 0xeaa127faL); /* 42 */ c = HH(c, d, a, b, x[3], S33, 0xd4ef3085L); /* 43 */ b = HH(b, c, d, a, x[6], S34, 0x4881d05L); /* 44 */ a = HH(a, b, c, d, x[9], S31, 0xd9d4d039L); /* 45 */ d = HH(d, a, b, c, x[12], S32, 0xe6db99e5L); /* 46 */ c = HH(c, d, a, b, x[15], S33, 0x1fa27cf8L); /* 47 */ b = HH(b, c, d, a, x[2], S34, 0xc4ac5665L); /* 48 */ /* Round 4 */ a = II(a, b, c, d, x[0], S41, 0xf4292244L); /* 49 */ d = II(d, a, b, c, x[7], S42, 0x432aff97L); /* 50 */ c = II(c, d, a, b, x[14], S43, 0xab9423a7L); /* 51 */ b = II(b, c, d, a, x[5], S44, 0xfc93a039L); /* 52 */ a = II(a, b, c, d, x[12], S41, 0x655b59c3L); /* 53 */ d = II(d, a, b, c, x[3], S42, 0x8f0ccc92L); /* 54 */ c = II(c, d, a, b, x[10], S43, 0xffeff47dL); /* 55 */ b = II(b, c, d, a, x[1], S44, 0x85845dd1L); /* 56 */ a = II(a, b, c, d, x[8], S41, 0x6fa87e4fL); /* 57 */ d = II(d, a, b, c, x[15], S42, 0xfe2ce6e0L); /* 58 */ c = II(c, d, a, b, x[6], S43, 0xa3014314L); /* 59 */ b = II(b, c, d, a, x[13], S44, 0x4e0811a1L); /* 60 */ a = II(a, b, c, d, x[4], S41, 0xf7537e82L); /* 61 */ d = II(d, a, b, c, x[11], S42, 0xbd3af235L); /* 62 */ c = II(c, d, a, b, x[2], S43, 0x2ad7d2bbL); /* 63 */ b = II(b, c, d, a, x[9], S44, 0xeb86d391L); /* 64 */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; } private void Encode(byte[] output, long[] input, int len) { int i, j; for (i = 0, j = 0; j < len; i++, j += 4) { output[j] = (byte) (input[i] & 0xffL); output[j + 1] = (byte) ((input[i] >>> 8) & 0xffL); output[j + 2] = (byte) ((input[i] >>> 16) & 0xffL); output[j + 3] = (byte) ((input[i] >>> 24) & 0xffL); } } private void Decode(long[] output, byte[] input, int len) { int i, j; for (i = 0, j = 0; j < len; i++, j += 4) output[i] = b2iu(input[j]) | (b2iu(input[j + 1]) << 8) | (b2iu(input[j + 2]) << 16) | (b2iu(input[j + 3]) << 24); return; } public static long b2iu(byte b) { return b < 0 ? b & 0x7F + 128 : b; } public static String byteHEX(byte ib) { char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; char[] ob = new char[2]; ob[0] = Digit[(ib >>> 4) & 0X0F]; ob[1] = Digit[ib & 0X0F]; String s = new String(ob); return s; } }读取Config文件工具类 PropertiesConfig.java[java] view plain copypackage com.util; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.InputStream; import java.util.Properties; /** * 读取Config文件工具类 * @version 1.0 * @since JDK 1.6 */ public class PropertiesConfig { /** * 获取整个配置文件中的属性 * @param filePath 文件路径，即文件所在包的路径，例如：java/util/config.properties */ public static Properties readData(String filePath) { filePath = getRealPath(filePath); Properties props = new Properties(); try { InputStream in = new BufferedInputStream(new FileInputStream(filePath)); props.load(in); in.close(); return props; } catch (Exception e) { e.printStackTrace(); return null; } } private static String getRealPath(String filePath) { //获取绝对路径 并截掉路径的”file:/“前缀 return PropertiesConfig.class.getResource("/" + filePath).toString().substring(6); } } 自动扫描FTP文件工具类 ScanFtp.java[java] view plain copypackage com.util; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; /** * 自动扫描FTP文件工具类 * 需要定时执行 */ public class ScanFtp { //服务器图片路径文件夹 private String serverLocal = "D:/TOOLS/Tomcat 6.0/webapps/BCCCSM/modelforcast/"; //图片上传文件夹存放路径,文件夹内应包含AGCM CSM ZS 3个子文件夹分别存放需要扫描到tomcat中的图片 private String saveLocal = "D:/modelForcast/"; /** * 获得远程权限 * @return */ private void getFTPAdress(){ //登陆成功 } /** * 开始扫描 * @throws IOException */ private void scan() throws IOException { this.getFTPAdress(); File file = new File(saveLocal + "AGCM"); //打开AGCM File[] array = file.listFiles(); String fileName; File fileTemp; for(int i = 0; i < array.length; i++){ if(array[i].isFile()) { fileTemp = array[i]; fileName = fileTemp.getName();//取出文件名 if (!fileName.equals("humbs.db")) { this.saveFile(fileTemp, 1);//分析每一个文件名字并存储 System.out.println(fileName + " saved"); } } } file = new File(saveLocal + "CSM"); //打开CSM array = file.listFiles(); for(int i = 0; i < array.length; i++){ if(array[i].isFile()) { fileTemp = array[i]; fileName = fileTemp.getName();//取出文件名 if (!fileName.equals("humbs.db")) { this.saveFile(fileTemp, 2);//分析每一个文件名字并存储 System.out.println(fileName + " saved"); } } } file = new File(saveLocal + "ZS"); //打开ZS array = file.listFiles(); for(int i = 0; i < array.length; i++){ if(array[i].isFile()) { fileTemp = array[i]; fileName = fileTemp.getName();//取出文件名 if (!fileName.equals("humbs.db")) { this.saveFile(fileTemp, 3);//分析每一个文件名字并存储 System.out.println(fileName + " saved"); } } } } /** * 开始执行 * @throws IOException */ public void execute() throws IOException{ scan();//开始扫描 } /** * 按类型存储 * @param file * @param type * @throws IOException */ private void saveFile(File file, int type) throws IOException { String fileName = file.getName(); //类型A C 和 指数3种 String year = fileName.substring(1, 5);//获得发布年份 String date = fileName.substring(5, 9);//获得发布日期包含月日 String var = null;//获得变量名字 String dir = serverLocal;//存储目录名字 if (type == 1 ) { var = fileName.substring(11, 15); dir = dir + "AGCM/" + var + "/" + year + "/" + date; } else if(type == 2) { var = fileName.substring(11, 15); dir = dir + "CSM/" + var + "/" + year + "/" + date; } else { var = fileName.substring(11, 15);//指数的暂时没处理 dir = dir + "ZS/" + var + "/" + year + "/" + date; } //判断是否存在这样的目录没有就自动创建 File savePath = new File(dir); if(!savePath.exists()) { savePath.mkdirs(); } File saveFile = new File(dir + "/" + fileName); if(!saveFile.exists()){//如果不存在,就存文件 FileInputStream fis = null;//这里用本地复制暂时代替FTP FileOutputStream fos =null; BufferedInputStream bis =null; BufferedOutputStream bos =null; int c; fis = new FileInputStream(file); bis = new BufferedInputStream(fis); fos = new FileOutputStream(dir + "/" + fileName); bos = new BufferedOutputStream(fos); while((c = bis.read())!= -1) bos.write(c); bos.flush(); if(bos != null) bos.close(); if(bis != null) bis.close(); if(fos != null) fos.close(); if(fis != null) fos.close(); } else { System.out.println("文件已经存在,不进行存储,可清理当前文件."); } } /** * 测试方法 * @param argv * @throws IOException */ public static void main(String argv[]) { ScanFtp s = new ScanFtp(); try { s.scan(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } 邮件发送工具类 SendMail.java
[java] view plain copypackage com.util; import org.apache.commons.mail.EmailException; import org.apache.commons.mail.SimpleEmail; /** * 邮件发送工具类 */ public class SendMail { private String hostName;//设置smtp服务器 private String sendMailAddress;//设置发送地址 private String mailPassword;//设置密码 private boolean TLS = false;//设置是否需要TLS登录 private String[] getMailAddress;//设置接收地址s private String mailTitle;//设置标题 private String mailContent;//设置邮件内容 public void send(){ SimpleEmail email = new SimpleEmail(); email.setTLS(TLS); //是否TLS校验，，某些邮箱需要TLS安全校验，同理有SSL校验 email.setHostName(hostName); try { email.setFrom(sendMailAddress, sendMailAddress); email.setAuthentication(sendMailAddress, mailPassword); email.setCharset("utf-8");//解决中文乱码问题 email.setSubject(mailTitle); //标题 email.setMsg(mailContent);//内容 for(int i = 0; i < getMailAddress.length; ++i){ email.addTo(getMailAddress[i]); //接收方 email.send(); } } catch (EmailException e) { // e.printStackTrace(); } } public String getHostName() { return hostName; } public void setHostName(String hostName) { this.hostName = hostName; } public String getSendMailAddress() { return sendMailAddress; } public void setSendMailAddress(String sendMailAddress) { this.sendMailAddress = sendMailAddress; } public String getMailPassword() { return mailPassword; } public void setMailPassword(String mailPassword) { this.mailPassword = mailPassword; } public boolean isTLS() { return TLS; } public void setTLS(boolean tls) { TLS = tls; } public String[] getGetMailAddress() { return getMailAddress; } public void setGetMailAddress(String[] getMailAddress) { this.getMailAddress = getMailAddress; } public String getMailTitle() { return mailTitle; } public void setMailTitle(String mailTitle) { this.mailTitle = mailTitle; } public String getMailContent() { return mailContent; } public void setMailContent(String mailContent) { this.mailContent = mailContent; } } 阅读全文
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