자바 클래식 코드
46676 단어 자바
package com.common.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.DateFormat;
import java.util.Date;
import java.util.Iterator;
import javax.swing.text.html.HTMLDocument.HTMLReader.FormAction;
/**
*
* ：
*
* @author Administrator
* @Date Jul 19, 2008
* @Time 9:46:11 AM
* @version 1.0
*/
public class FileUtil {
/**
* ： ，
*
* @param path
*
*/
public static void list(File path) {
if (!path.exists()) {
System.out.println(" !");
} else {
if (path.isFile()) {
if (path.getName().toLowerCase().endsWith(".pdf")
|| path.getName().toLowerCase().endsWith(".doc")
|| path.getName().toLowerCase().endsWith(".chm")
|| path.getName().toLowerCase().endsWith(".html")
|| path.getName().toLowerCase().endsWith(".htm")) {//
System.out.println(path);
System.out.println(path.getName());
}
} else {
File[] files = path.listFiles();
for (int i = 0; i < files.length; i++) {
list(files[i]);
}
}
}
}
/**
* ： ，
*
* @param source
*
* @param target
*
* @return void
*/
public static void copy(File source, File target) {
File tarpath = new File(target, source.getName());
if (source.isDirectory()) {
tarpath.mkdir();
File[] dir = source.listFiles();
for (int i = 0; i < dir.length; i++) {
copy(dir[i], tarpath);
}
} else {
try {
InputStream is = new FileInputStream(source); //
OutputStream os = new FileOutputStream(tarpath); //
byte[] buf = new byte[1024];//
int len = 0;
while ((len = is.read(buf)) != -1) {
os.write(buf, 0, len);
}
is.close();
os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
File file = new File("F:\\Tomcat");
list(file);
Date myDate = new Date();
DateFormat df = DateFormat.getDateInstance();
System.out.println(df.format(myDate));
}
}
package com.common.string;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* ：
*
* @author Administrator
* @Date Jul 18, 2008
* @Time 2:19:47 PM
* @version 1.0
*/
public class StringUtil {
/**
* ：
*
* @param str
* String
* @param splitsign
* String
* @return String[]
*/
@SuppressWarnings("unchecked")
public static String[] split(String str, String splitsign) {
int index;
if (str == null || splitsign == null) {
return null;
}
ArrayList al = new ArrayList();
while ((index = str.indexOf(splitsign)) != -1) {
al.add(str.substring(0, index));
str = str.substring(index + splitsign.length());
}
al.add(str);
return (String[]) al.toArray(new String[0]);
}
/**
* ：
*
* @param from
* String
* @param to
* String
* @param source
* String
* @return String
*/
public static String replace(String from, String to, String source) {
if (source == null || from == null || to == null)
return null;
StringBuffer str = new StringBuffer("");
int index = -1;
while ((index = source.indexOf(from)) != -1) {
str.append(source.substring(0, index) + to);
source = source.substring(index + from.length());
index = source.indexOf(from);
}
str.append(source);
return str.toString();
}
/**
* ， HTML ( )
*
* @param str
* String
* @return String
*/
public static String htmlencode(String str) {
if (str == null) {
return null;
}
return replace("\"", """, replace("<", "<", str));
}
/**
* ， （ ）
*
* @param str
* String
* @return String
*/
public static String htmldecode(String str) {
if (str == null) {
return null;
}
return replace(""", "\"", replace("<", "<", str));
}
private static final String _BR = "<br/>";
/**
* ： ， ， ， ，TAB
*
* @param str
* String
* @return String
*/
public static String htmlshow(String str) {
if (str == null) {
return null;
}
str = replace("<", "<", str);
str = replace(" ", " ", str);
str = replace("\r
", _BR, str);
str = replace("
", _BR, str);
str = replace("\t", " ", str);
return str;
}
/**
* ：
*
* @param str
* String
* @param length
* int
* @return String
*/
public static String toLength(String str, int length) {
if (str == null) {
return null;
}
if (length <= 0) {
return "";
}
try {
if (str.getBytes("GBK").length <= length) {
return str;
}
} catch (Exception e) {
}
StringBuffer buff = new StringBuffer();
int index = 0;
char c;
length -= 3;
while (length > 0) {
c = str.charAt(index);
if (c < 128) {
length--;
} else {
length--;
length--;
}
buff.append(c);
index++;
}
buff.append("...");
return buff.toString();
}
/**
* ：
*
* @param str
*
* @return true, false
*/
public static boolean isInteger(String str) {
Pattern pattern = Pattern.compile("^[-\\+]?[\\d]+$");
return pattern.matcher(str).matches();
}
/**
* ， double float
*
* @param str
*
* @return true, false
*/
public static boolean isDouble(String str) {
Pattern pattern = Pattern.compile("^[-\\+]?\\d+\\.\\d+$");
return pattern.matcher(str).matches();
}
/**
* c
*/
public static boolean isLetter(String str) {
if (str == null || str.length() < 0) {
return false;
}
Pattern pattern = Pattern.compile("[\\w\\.-_]*");
return pattern.matcher(str).matches();
}
/**
* Email content
*
* @param content
* @return
*/
public static String parse(String content) {
String email = null;
if (content == null || content.length() < 1) {
return email;
}
// @
int beginPos;
int i;
String token = "@";
String preHalf = "";
String sufHalf = "";
beginPos = content.indexOf(token);
if (beginPos > -1) {
//
String s = null;
i = beginPos;
while (i > 0) {
s = content.substring(i - 1, i);
if (isLetter(s))
preHalf = s + preHalf;
else
break;
i--;
}
//
i = beginPos + 1;
while (i < content.length()) {
s = content.substring(i, i + 1);
if (isLetter(s))
sufHalf = sufHalf + s;
else
break;
i++;
}
//
email = preHalf + "@" + sufHalf;
if (isEmail(email)) {
return email;
}
}
return null;
}
/**
* ： Email .
*
* @param str
*
* @return Email true, false
*/
public static boolean isEmail(String email) {
if (email == null || email.length() < 1 || email.length() > 256) {
return false;
}
Pattern pattern = Pattern
.compile("^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$");
return pattern.matcher(email).matches();
}
/**
* ：
*
* @param str
*
* @return true, false
*/
public static boolean isChinese(String str) {
Pattern pattern = Pattern.compile("[\u0391-\uFFE5]+$");
return pattern.matcher(str).matches();
}
/**
* ： , null ""
*
* @param str
* @return
*/
public static boolean isBlank(String str) {
return str == null || str.trim().length() == 0;
}
/**
* ：
*
* @param x
* @return
*/
public static boolean isPrime(int x) {
if (x <= 7) {
if (x == 2 || x == 3 || x == 5 || x == 7)
return true;
}
int c = 7;
if (x % 2 == 0)
return false;
if (x % 3 == 0)
return false;
if (x % 5 == 0)
return false;
int end = (int) Math.sqrt(x);
while (c <= end) {
if (x % c == 0) {
return false;
}
c += 4;
if (x % c == 0) {
return false;
}
c += 2;
if (x % c == 0) {
return false;
}
c += 4;
if (x % c == 0) {
return false;
}
c += 2;
if (x % c == 0) {
return false;
}
c += 4;
if (x % c == 0) {
return false;
}
c += 6;
if (x % c == 0) {
return false;
}
c += 2;
if (x % c == 0) {
return false;
}
c += 6;
}
return true;
}
/**
* ：
*
* @param str
*
* @return String
*/
public static String hangeToBig(String str) {
double value;
try {
value = Double.parseDouble(str.trim());
} catch (Exception e) {
return null;
}
char[] hunit = { ' ', ' ', ' ' }; //
char[] vunit = { ' ', ' ' }; //
char[] digit = { ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' }; //
long midVal = (long) (value * 100); //
String valStr = String.valueOf(midVal); //
String head = valStr.substring(0, valStr.length() - 2); //
String rail = valStr.substring(valStr.length() - 2); //
String prefix = ""; //
String suffix = ""; //
//
if (rail.equals("00")) { // 0
suffix = " ";
} else {
suffix = digit[rail.charAt(0) - '0'] + " "
+ digit[rail.charAt(1) - '0'] + " "; //
}
//
char[] chDig = head.toCharArray(); //
char zero = '0'; // '0' 0
byte zeroSerNum = 0; // 0
for (int i = 0; i < chDig.length; i++) { //
int idx = (chDig.length - i - 1) % 4; //
int vidx = (chDig.length - i - 1) / 4; //
if (chDig[i] == '0') { // 0
zeroSerNum++; // 0
if (zero == '0') { //
zero = digit[0];
} else if (idx == 0 && vidx > 0 && zeroSerNum < 4) {
prefix += vunit[vidx - 1];
zero = '0';
}
continue;
}
zeroSerNum = 0; // 0
if (zero != '0') { // 0, , ,
prefix += zero;
zero = '0';
}
prefix += digit[chDig[i] - '0']; //
if (idx > 0)
prefix += hunit[idx - 1];
if (idx == 0 && vidx > 0) {
prefix += vunit[vidx - 1]; // ,
}
}
if (prefix.length() > 0)
prefix += ' '; // ,
return prefix + suffix; //
}
/**
* ：
*
* @param str
* ，
* @return String
*/
@SuppressWarnings("unused")
private static String removeSameString(String str) {
Set<String> mLinkedSet = new LinkedHashSet<String>();// set ：
String[] strArray = str.split(" ");// ( )
StringBuffer sb = new StringBuffer();
for (int i = 0; i < strArray.length; i++) {
if (!mLinkedSet.contains(strArray[i])) {
mLinkedSet.add(strArray[i]);
sb.append(strArray[i] + " ");
}
}
System.out.println(mLinkedSet);
return sb.toString();
}
/**
* ：
*
* @param src
* @return
*/
public static String encoding(String src) {
if (src == null)
return "";
StringBuilder result = new StringBuilder();
if (src != null) {
src = src.trim();
for (int pos = 0; pos < src.length(); pos++) {
switch (src.charAt(pos)) {
case '\"':
result.append(""");
break;
case '<':
result.append("<");
break;
case '>':
result.append(">");
break;
case '\'':
result.append("'");
break;
case '&':
result.append("&");
break;
case '%':
result.append("&pc;");
break;
case '_':
result.append("&ul;");
break;
case '#':
result.append("&shap;");
break;
case '?':
result.append("&ques;");
break;
default:
result.append(src.charAt(pos));
break;
}
}
}
return result.toString();
}
/**
* ：
*
* @param handset
* @return boolean
*/
public static boolean isHandset(String handset) {
try {
String regex = "^1[\\d]{10}$";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(handset);
return matcher.matches();
} catch (RuntimeException e) {
return false;
}
}
/**
* ：
*
* @param src
* @return
*/
public static String decoding(String src) {
if (src == null)
return "";
String result = src;
result = result.replace(""", "\"").replace("'", "\'");
result = result.replace("<", "<").replace(">", ">");
result = result.replace("&", "&");
result = result.replace("&pc;", "%").replace("&ul", "_");
result = result.replace("&shap;", "#").replace("&ques", "?");
return result;
}
/**
* @param args
*/
public static void main(String[] args) {
String source = "abcdefgabcdefgabcdefgabcdefgabcdefgabcdefg";
String from = "efg";
String to = " ";
System.out.println(" source ， to from， ："
+ replace(from, to, source));
System.out.println(" ："
+ toLength("abcdefgabcdefgabcdefgabcdefgabcdefgabcdefg", 9));
System.out.println(" ：" + isInteger("+0"));
System.out.println(" ， double float：" + isDouble("+0.36"));
System.out.println(" Email ：" +
isEmail("[email protected]"));
System.out.println(" ：" + isChinese(" ！"));
System.out.println(" ：" + isPrime(12));
System.out.println(" ：" + hangeToBig("10019658"));
System.out.println(" ：" + removeSameString("100 100 9658"));
System.out.println(" ：" + encoding("100\"s<>fdsd100 9658"));
System.out.println(" ：" + isHandset("15981807340"));
System.out.println(" Email：" + parse("159818 [email protected]"));
}
}
package com.common.time;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
*
* ：
*
* @author Administrator
* @Date Jul 19, 2008
* @Time 9:47:53 AM
* @version 1.0
*/
public class DateUtil {
public static Date date = null;
public static DateFormat dateFormat = null;
public static Calendar calendar = null;
/**
* ：
*
* @param dateStr
* String
* @param format
* String
* @return Date
*/
public static Date parseDate(String dateStr, String format) {
try {
dateFormat = new SimpleDateFormat(format);
String dt = dateStr.replaceAll("-", "/");
if ((!dt.equals("")) && (dt.length() < format.length())) {
dt += format.substring(dt.length()).replaceAll("[YyMmDdHhSs]",
"0");
}
date = (Date) dateFormat.parse(dt);
} catch (Exception e) {
}
return date;
}
/**
* ：
*
* @param dateStr
* String ：YYYY-MM-DD
* @return Date
*/
public static Date parseDate(String dateStr) {
return parseDate(dateStr, "yyyy/MM/dd");
}
/**
* ：
*
* @param date
* Date
* @param format
* String
* @return
*/
public static String format(Date date, String format) {
String result = "";
try {
if (date != null) {
dateFormat = new SimpleDateFormat(format);
result = dateFormat.format(date);
}
} catch (Exception e) {
}
return result;
}
/**
* ：
*
* @param date
* Date
* @return
*/
public static String format(Date date) {
return format(date, "yyyy/MM/dd");
}
/**
* ：
*
* @param date
* Date
* @return
*/
public static int getYear(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.YEAR);
}
/**
* ：
*
* @param date
* Date
* @return
*/
public static int getMonth(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MONTH) + 1;
}
/**
* ：
*
* @param date
* Date
* @return
*/
public static int getDay(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_MONTH);
}
/**
* ：
*
* @param date
*
* @return
*/
public static int getHour(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.HOUR_OF_DAY);
}
/**
* ：
*
* @param date
*
* @return
*/
public static int getMinute(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.MINUTE);
}
/**
*
*
* @param date
* Date
* @return
*/
public static int getSecond(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.SECOND);
}
/**
* ：
*
* @param date
*
* @return
*/
public static long getMillis(Date date) {
calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getTimeInMillis();
}
/**
* ：
*
* @param date
*
* @return yyyy/MM/dd
*/
public static String getDate(Date date) {
return format(date, "yyyy/MM/dd");
}
/**
* ：
*
* @param date
* Date
* @return HH:mm:ss
*/
public static String getTime(Date date) {
return format(date, "HH:mm:ss");
}
/**
* ：
*
* @param date
* Date
* @return yyyy/MM/dd HH:mm:ss
*/
public static String getDateTime(Date date) {
return format(date, "yyyy/MM/dd HH:mm:ss");
}
/**
* ：
*
* @param date
* Date
* @param day
* int
* @return
*/
public static Date addDate(Date date, int day) {
calendar = Calendar.getInstance();
long millis = getMillis(date) + ((long) day) * 24 * 3600 * 1000;
calendar.setTimeInMillis(millis);
return calendar.getTime();
}
/**
* ：
*
* @param date
* Date
* @param date1
* Date
* @return
*/
public static int diffDate(Date date, Date date1) {
return (int) ((getMillis(date) - getMillis(date1)) / (24 * 3600 * 1000));
}
/**
* ：
*
* @param strdate
* String
* @return String yyyy-MM-dd
*/
public static String getMonthBegin(String strdate) {
date = parseDate(strdate);
return format(date, "yyyy-MM") + "-01";
}
/**
* ：
*
* @param strdate
* String
* @return String yyyy-MM-dd
*/
public static String getMonthEnd(String strdate) {
date = parseDate(getMonthBegin(strdate));
calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.MONTH, 1);
calendar.add(Calendar.DAY_OF_YEAR, -1);
return formatDate(calendar.getTime());
}
/**
* ：
*
* @param date
* Date
* @return String yyyy-MM-dd
*/
public static String formatDate(Date date) {
return formatDateByFormat(date, "yyyy-MM-dd");
}
/**
* ：
*
* @param date
* Date
* @param format
* String
* @return String
*/
public static String formatDateByFormat(Date date, String format) {
String result = "";
if (date != null) {
try {
SimpleDateFormat sdf = new SimpleDateFormat(format);
result = sdf.format(date);
} catch (Exception ex) {
ex.printStackTrace();
}
}
return result;
}
public static void main(String[] args) {
Date d = new Date();
System.out.println(d.toString());
System.out.println(formatDate(d).toString());
System.out.println(getMonthBegin(formatDate(d).toString()));
System.out.println(getMonthBegin("2008/07/19"));
System.out.println(getMonthEnd("2008/07/19"));
System.out.println(addDate(d,15).toString());
}
}
/*[java] zip2008 05 28 17:48/*
* Zip.java
*
* Created on 2008 4 2 , 2:20
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package com.founder.mnp.utl;
/**
*
* @author GuoJiale
*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipUtils {
static final int BUFFER = 2048;
public static boolean zip( String[] filename ,String outname){
boolean test = true;
try {
BufferedInputStream origin = null;
FileOutputStream dest = new FileOutputStream(outname);
ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(
dest));
byte data[] = new byte[BUFFER];
// File f= new File("d:\\111\\");
// File files[] = f.listFiles();
for (int i = 0; i < filename.length; i++) {
File file = new File(filename[i]);
FileInputStream fi = new FileInputStream(file);
origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(file.getName());
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
out.close();
} catch (Exception e) {
test = false;
e.printStackTrace();
}
return test;
}
public static void main(String argv[]) {
// File f= new File("d:\\111\\");
String[] filenames = new String[]{"F:\\12.jpg"};
zip(filenames,"F:/12.zip");
}
}
package com.test.test;
/************************************************
MD5 Java Bean
Last Modified:10,Mar,2001
*************************************************/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.CRC32;
import java.util.zip.CheckedInputStream;
/*************************************************
* md5 RSA Data Security, Inc. IETF RFC1321 MD5 message-digest 。
*************************************************/
public class MD5 {
/*
* S11-S44 44 ， C #define ， static
* final ， Instance
*/
private static final int S11 = 7;
private static final int S12 = 12;
private static final int S13 = 17;
private static final int S14 = 22;
private static final int S21 = 5;
private static final int S22 = 9;
private static final int S23 = 14;
private static final int S24 = 20;
private static final int S31 = 4;
private static final int S32 = 11;
private static final int S33 = 16;
private static final int S34 = 23;
private static final int S41 = 6;
private static final int S42 = 10;
private static final int S43 = 15;
private static final int S44 = 21;
private 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 };
/*
* MD5 3 ， C MD5_CTX
*/
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
/*
* digestHexStr MD5 ， 16 ASCII .
*/
private String digestHexStr;
/*
* digest, 2 ， 128bit MD5 .
*/
private byte[] digest = new byte[16];
/**
* getMD5ofStr MD5 ， MD5
* ， digestHexStr ．
*/
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;
}
// MD5 ，JavaBean public
public MD5() {
md5Init();
return;
}
/* md5Init ， ， */
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;
}
/*
* F, G, H ,I 4 MD5 ， MD5 C ，
* ， ， java ， private ， C 。
*/
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));
}
/*
* Rotation is separate from addition to prevent recomputation.
*/
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;
}
/*
* md5Update MD5 ，inbuf ，inputlen ，
* getMD5ofStr ， md5init， private
*/
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);
}
/*
* md5Final
*/
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);
}
/*
* md5Memcpy byte ， input inpos len
* output outpos
*/
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];
}
/*
* md5Transform MD5 ， md5Update ，block
*/
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;
}
/*
* Encode long byte ， java long 64bit ， 32bit， C
*/
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);
}
}
/*
* Decode byte long ， java long 64bit ，
* 32bit， 32bit ， C
*/
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;
}
/**
* b2iu byte ＂ ＂ ， java unsigned
*/
public static long b2iu(byte b) {
return b < 0 ? b & 0x7F + 128 : b;
}
/**
* byteHEX()， byte ASCII ，
* java byte toString ， C sprintf(outbuf,"%02X",ib)
*/
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;
}
//-----------------------------------------------------------
/**
* MD5 ！
* @param file
* @return
*/
public static String getFileMD5(File file) {
if (!file.isFile()) {
return null;
}
MessageDigest digest = null;
FileInputStream in = null;
byte buffer[] = new byte[1024];
int len;
try {
digest = MessageDigest.getInstance("MD5");
in = new FileInputStream(file);
while ((len = in.read(buffer, 0, 1024)) != -1) {
digest.update(buffer, 0, len);
}
in.close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
BigInteger bigInt = new BigInteger(1, digest.digest());
return bigInt.toString(16).toUpperCase();
}
/**
* SHA1 ！
*
* @param file
* @return
*/
public static String getFileSHA1(File file) {
if (!file.isFile()) {
return null;
}
MessageDigest digest = null;
FileInputStream in = null;
byte buffer[] = new byte[1024];
int len;
try {
digest = MessageDigest.getInstance("SHA1");
in = new FileInputStream(file);
while ((len = in.read(buffer, 0, 1024)) != -1) {
digest.update(buffer, 0, len);
}
in.close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
BigInteger bigInt = new BigInteger(1, digest.digest());
return bigInt.toString(16).toUpperCase();
}
/**
* CRC32 ！
* @param file
* @return
* @throws Exception
*/
public static String getFileCRC32(File file) {
FileInputStream fileinputstream;
try {
fileinputstream = new FileInputStream(file);
CRC32 crc32 = new CRC32();
for (CheckedInputStream checkedinputstream = new CheckedInputStream(
fileinputstream, crc32); checkedinputstream.read() != -1;) {
}
return Long.toHexString(crc32.getValue());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* MD5
*
* @param file
* @param listChild
* ;true
* @return
*/
public static Map<String, String> getDirMD5(File file, boolean listChild) {
if (!file.isDirectory()) {
return null;
}
// <filepath,md5>
Map<String, String> map = new HashMap<String, String>();
String md5;
File files[] = file.listFiles();
for (int i = 0; i < files.length; i++) {
File f = files[i];
if (f.isDirectory() && listChild) {
map.putAll(getDirMD5(f, listChild));
} else {
md5 = getFileMD5(f);
if (md5 != null) {
map.put(f.getPath(), md5);
}
}
}
return map;
}
/**
* SHA1
*
* @param file
* @param listChild
* ;true
* @return
*/
public static Map<String, String> getDirSHA1(File file, boolean listChild) {
if (!file.isDirectory()) {
return null;
}
// <filepath,SHA1>
Map<String, String> map = new HashMap<String, String>();
String sha1;
File files[] = file.listFiles();
for (int i = 0; i < files.length; i++) {
File f = files[i];
if (f.isDirectory() && listChild) {
map.putAll(getDirSHA1(f, listChild));
} else {
sha1 = getFileSHA1(f);
if (sha1 != null) {
map.put(f.getPath(), sha1);
}
}
}
return map;
}
/**
* CRC32
*
* @param file
* @param listChild
* ;true
* @return
*/
public static Map<String, String> getDirCRC32(File file, boolean listChild) {
if (!file.isDirectory()) {
return null;
}
// <filepath,CRC32>
Map<String, String> map = new HashMap<String, String>();
String crc32;
File files[] = file.listFiles();
for (int i = 0; i < files.length; i++) {
File f = files[i];
if (f.isDirectory() && listChild) {
map.putAll(getDirCRC32(f, listChild));
} else {
crc32 = getFileCRC32(f);
if (crc32 != null) {
map.put(f.getPath(), crc32);
}
}
}
return map;
}
}
이 내용에 흥미가 있습니까?
현재 기사가 여러분의 문제를 해결하지 못하는 경우 AI 엔진은 머신러닝 분석(스마트 모델이 방금 만들어져 부정확한 경우가 있을 수 있음)을 통해 가장 유사한 기사를 추천합니다:
Is Eclipse IDE dying?In 2014 the Eclipse IDE is the leading development environment for Java with a market share of approximately 65%. but ac...
텍스트를 자유롭게 공유하거나 복사할 수 있습니다.하지만 이 문서의 URL은 참조 URL로 남겨 두십시오.
CC BY-SA 2.5, CC BY-SA 3.0 및 CC BY-SA 4.0에 따라 라이센스가 부여됩니다.
좋은 웹페이지 즐겨찾기
