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智囊團SSH框架集成（配置文件、MD5、CP配置）

Posted on 2009-02-16 20:04 啥都寫點閱讀(781) 評論(0) 編輯收藏所屬分類: J2EE

配置文件：

=================================struts-config.xml=================================

<controller

processorClass="org.springframework.web.struts.DelegatingRequestProcessor">

</controller>

<message-resources parameter="org.lxh.myzngt.struts.ApplicationResources" />

<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">

<set-property property="contextConfigLocation" value="/WEB-INF/classes/applicationContext.xml" />

</plug-in>

=================================web.xml=================================

<filter-name>encoding</filter-name>

<filter-class>org.lxh.myzngt.filter.EncodingFilter</filter-class>

<init-param>

<param-name>charset</param-name>

<param-value>gbk</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>encoding</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>/WEB-INF/classes/applicationContext.xml</param-value>

</context-param>

<servlet-name>context</servlet-name>

<servlet-class>org.springframework.web.context.ContextLoaderServlet</servlet-class>

<load-on-startup>1</load-on-startup>

</servlet>

=================================applicationContext.xml=================================

<bean id="dataSource"

class="org.springframework.jndi.JndiObjectFactoryBean">

</bean>

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

</property>

<props>

org.hibernate.dialect.MySQLDialect

</prop>

<prop key="hibernate.show_sql">false</prop>

</props>

</property>

</bean>

<bean id="hibernateTemplate"

class="org.springframework.orm.hibernate3.HibernateTemplate">

</property>

</bean>

==================================================================

MD5code.java

package org.lxh.myzngt.util;

public class MD5Code {

* 下面這些S11-S44實際上是一個4*4的矩陣，在原始的C實現中是用#define 實現的，這里把它們實現成為static

* final是表示了只讀，切能在同一個進程空間內的多個 Instance間共享

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 };

* 下面的三個成員是MD5計算過程中用到的3個核心數據，在原始的C實現中被定義到MD5_CTX結構中

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是MD5的唯一一個公共成員，是最新一次計算結果的 16進制ASCII表示.

public String digestHexStr;

* digest,是最新一次計算結果的2進制內部表示，表示128bit的MD5值.

private byte[] digest = new byte[16];

* getMD5ofStr是類MD5最主要的公共方法，入口參數是你想要進行MD5變換的字符串

* 返回的是變換完的結果，這個結果是從公共成員digestHexStr取得的．

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;

}

// 這是MD5這個類的標準構造函數，JavaBean要求有一個public的并且沒有參數的構造函數

public MD5Code() {

md5Init();

return;

}

/* md5Init是一個初始化函數，初始化核心變量，裝入標準的幻數 */

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 是4個基本的MD5函數，在原始的MD5的C實現中，由于它們是

* 簡單的位運算，可能出于效率的考慮把它們實現成了宏，在java中，我們把它們實現成了private方法，名字保持了原來C中的。

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));

}

* FF,GG,HH和II將調用F,G,H,I進行近一步變換 FF, GG, HH, and II transformations for

* rounds 1, 2, 3, and 4. 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是MD5的主計算過程，inbuf是要變換的字節串，inputlen是長度，這個

* 函數由getMD5ofStr調用，調用之前需要調用md5init，因此把它設計成private的

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整理和填寫輸出結果

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是一個內部使用的byte數組的塊拷貝函數，從input的inpos開始把len長度的

* 字節拷貝到output的outpos位置開始

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是MD5核心變換程序，有md5Update調用，block是分塊的原始字節

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把long數組按順序拆成byte數組，因為java的long類型是64bit的，只拆低32bit，以適應原始C實現的用途

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把byte數組按順序合成成long數組，因為java的long類型是64bit的，

* 只合成低32bit，高32bit清零，以適應原始C實現的用途

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是我寫的一個把byte按照不考慮正負號的原則的＂升位＂程序，因為java沒有unsigned運算

public static long b2iu(byte b) {

return b < 0 ? b & 0x7F + 128 : b;

}

* byteHEX()，用來把一個byte類型的數轉換成十六進制的ASCII表示，

* 因為java中的byte的toString無法實現這一點，我們又沒有C語言中的 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;

}

CP配置：

<Context path="/zhinangtuan" docBase="F:"Eclipse"MyZNTProject"MyZhiNangTuanDemo"WebRoot"

debug="5" reloadable="true" crossContext="true">

<Logger className="org.apache.catalina.logger.FileLogger"

prefix="localhost_MysqlTest_log." suffix=".txt"

timestamp="true"/>

<name>factory</name>

<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>

</parameter>

<name>maxActive</name>

</parameter>

<name>maxIdle</name>

</parameter>

<name>maxWait</name>

</parameter>

<name>username</name>

</parameter>

<name>password</name>

<value>mysqladmin</value>

</parameter>

<name>driverClassName</name>

<value>org.gjt.mm.mysql.Driver</value>

</parameter>

<value>jdbc:mysql://localhost:3306/mldn</value>

</parameter>

</ResourceParams>

</Context>

-- 學海無涯

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智囊團SSH框架集成（配置文件、MD5、CP配置）