Common Java Methods

Source: Internet
Author: User
Tags date empty sql mysql string split stmt tostring
<%!
Stc_rsyb_name stcrsyname1[];
Stc_syb_inf stcsybinf1[];
%>

<%/*
String p = (string) session.getvalue ("Access");
if (P==null | |!p.equals ("1")) {
Response.sendredirect ("error.htm");
Return
}*/
%>
<%!
file://get the name of the machine or IP
String Get_myhostname (Javax.servlet.http.HttpServletRequest request) {
String myhostname = null;
try{
Myhostname = Request.getremotehost ();
Myhostname = Myhostname.touppercase ();
}catch (Exception e) {}
return myhostname;
}
file://processing an empty string
String Dealnull (String str) {
String returnstr = null;
if (str = null) RETURNSTR = "";
else returnstr = str;
return returnstr;
}
file://handles empty objects
Object Dealnull (Object obj) {
Object returnstr = null;
if (obj = = null) Returnstr = (Object) ("");
else returnstr = obj;
return returnstr;
}

int Dealempty (String s) {
s = dealnull (s);
if (S.equals ("")) return 0;
return Integer.parseint (s);
}

String Replace (string str,string substr,string restr) {
string[] tmp = Split (STR,SUBSTR);
String returnstr = null;
if (tmp.length!=0) {
Returnstr = tmp[0];
for (int i = 0; i < tmp.length-1; i++)
Returnstr =dealnull (RETURNSTR) + restr +tmp[i+1];
}
Return Dealnull (RETURNSTR);
}

String HtmlEncode (String txt) {
txt = replace (TXT, "&", "&");
txt = replace (TXT, "&", "&");
txt = replace (txt, "" "," "");
txt = replace (txt, "\" "," "");
txt = replace (txt, "<", "<");
txt = replace (txt, "<", "<");
txt = replace (txt, ">", ">");
txt = replace (txt, ">", ">");
txt = replace (txt, "", "");
txt = replace (txt, "", "");
return txt;
}

String Unhtmlencode (String txt) {
txt = replace (TXT, "&", "&");
txt = replace (txt, "" "," \ ");
txt = replace (txt, "<", "<");
txt = replace (txt, ">", ">");
txt = replace (txt, "", "");
return txt;
}

File://ALERT Function
void Salert (String title,string msg,string Focus, jspwriter out) {
try {
Out.println ("<script language= ' JavaScript ' >");
OUT.PRINTLN ("alert" + title + "\" + \ "\\r\\n\" + \ "" + Replace (msg, "" "," ")," \ "", "\\\") + "\");
OUT.PRINTLN (focus);
Out.println ("</script>");
catch (Exception e) {System.out.println (e);}
}
File://CONFIRM Function
void Sconfirm (String title,string msg, string location,jspwriter out) {
try{
Out.println ("<script language= ' JavaScript ' >");
Out.println ("If" Confirm (\ "" + title + "\" + \ "\\r\\n\" + \ "" + Replace (msg, "\", "\\\") + "\")) {");
Out.println ("var d = (new Date ()). ToString ();");
OUT.PRINTLN (location + "+ D;");
Out.println ("}");
Out.println ("Parent.document.form1.text1.select ();");
Out.println ("</script>");
catch (Exception e) {}
}

file://Get string length
int Getstringlength (String s) {
int p = 0;
try {
int ilength = 0;
int ireallength = 0;
int j = 0;
p = s.getbytes ("Shift_JIS"). Length;
catch (Java.io.UnsupportedEncodingException e) {}
return p;
}

void formatstring (String s,int b,jspwriter out) {
b--;
String t = "";
try {
int leng = Getstringlength (s);
int j = 0;
if (Leng > B) {
for (int i = 1; I <= b; i++) {
t = s.substring (0,i);
if (T.getbytes ("Shift_JIS"). Length <= b) {
j + +;
else break;
}
file://j = j+1;
File://System.out.println ("b=" + B + "----" + "j=" + j);
for (int i = 0;i < J; i++) {
if (s.substring (i,i+1). Equals (""))
Out.print ("");
if (!s.substring (i,i+1). Equals (""))
Out.print (HtmlEncode (s.substring (i,i+1)));
}
if (s.substring (0,j). GetBytes ("Shift_JIS"). length = = b) {
Out.print ("|");
}else{
Out.print ("|");
}
} else {
for (int i = 0; i < B-leng; i++)
t = t + "";
for (int i = 0; i < s.length (); i++) {
if (s.substring (i,i+1). Equals (""))
Out.print ("");
if (!s.substring (i,i+1). Equals (""))
Out.print (HtmlEncode (s.substring (i,i+1)));
}
Out.print (HtmlEncode (t + "|"));
}
catch (Exception e) {System.out.println ("----" + e);}
}

FILE://judge whether it is a number
Boolean IsNumeric (String number)
{
Try
{
Integer.parseint (number);
return true;
}
catch (NumberFormatException Sqo)
{
return false;
}
}
FILE://judge whether it is a date
String Mk_date (String C_date,int c_mode)
{
String wk_buf= "";
String today = "";
Try
{
Today = Integer.tostring (Java.util.Calendar.getInstance (). Get (Java.util.Calendar.YEAR));
Switch (C_mode)
{
Case 0:
{
Wk_buf = c_date.substring (2, 4) + "/" + c_date.substring (4, 6);
if (c_date.length () = = 8)
{
Wk_buf = Wk_buf + "/" + c_date.substring (6, 8);
}
Break
}
Case 1:
{
for (int i=0; i<c_date.length (); i++)
{
if (c_date.substring (i, i+1) = = "")
{
Wk_buf = Wk_buf + "0";
}
Else
{
Wk_buf = Wk_buf + c_date.substring (i, i+1);
}
}
C_date = Wk_buf;
Wk_buf = "";
if (c_date.substring (0, 1)!= "0")
{
Wk_buf = "19";
}
Else
{
Wk_buf = "20";
}

Wk_buf = wk_buf + c_date.substring (0, 2) + c_date.substring (3, 5);

if (c_date.length () = = 8)
{
Wk_buf = Wk_buf + c_date.substring (6, 8);
}
Break
}
Case 2:
{
Wk_buf = c_date.substring (0, 4) + c_date.substring (5, 7) + c_date.substring (8, 10);
Break
}
Case 3:
{
for (int i=0; i<c_date.length (); i++)
{
if (c_date.substring (i, i+1) = = "")
{
Wk_buf = Wk_buf + "0";
}
Else
{
Wk_buf = Wk_buf + c_date.substring (i, i+1);
}
}
C_date = Wk_buf;
Wk_buf = "";
if (Integer.parseint (c_date.substring (0,2)) > Integer.parseint (today.substring (2, 4))
{
Wk_buf = integer.tostring (Integer.parseint (today.substring (0,2))-1);
}
Else
{
Wk_buf = today.substring (0,2);
}
Wk_buf = Wk_buf + c_date.substring (0,2) + c_date.substring (3,5);
if (c_date.length () = = 8)
{
Wk_buf = Wk_buf + c_date.substring (6,8);
}
Break
}
Case 4:
{
Wk_buf = c_date.substring (0,4) + "/" + c_date.substring (4,6) + "/" + c_date.substring (6, 8);
Break
}
Case 5:
{
Wk_buf = c_date.substring (0,4) + c_date.substring (5, 7);
Break
}
}
}
catch (Exception e)
{
System.out.println ("wrong:" + E);
}
return wk_buf;
}

int cInt (float stsid) {
int cInt = 0;
try{
int stsid1 = 0;
if (Stsid > 0) {
if ((Stsid-(int) stsid > 0) && (stsid-(int) Stsid!= 0.5))
STSID1 = (int) (STSID + 0.5);
if (Stsid-(int) Stsid = = 0.5) {
if (((int) (stsid-0.5))%2 = = 0)
STSID1 = (int) (stsid-0.5);
Else
STSID1 = (int) (STSID + 0.5);
}
if (Stsid-(int) Stsid ==0)
STSID1 = (int) stsid;
}else{
Stsid =-stsid;
if ((Stsid-(int) stsid > 0) && (stsid-(int) Stsid!= 0.5))
STSID1 =-(int) (STSID + 0.5);
if (Stsid-(int) Stsid = = 0.5) {
if (((int) (stsid-0.5))%2 = = 0)
STSID1 =-(int) (stsid-0.5);
Else
STSID1 =-(int) (STSID + 0.5);
}
if (Stsid-(int) Stsid ==0)
STSID1 =-(int) stsid;
}
CInt = STSID1;
}catch (Exception e) {}
return cInt;
}

Long CLng (float numb) {
int nu = 0;
Long cLng = 0;
try{
Nu = cInt (numb);
CLng = (long) nu;
}catch (Exception e) {}
return cLng;
}

Float Dealfloat (String s) {
S=dealnull (s);
if (S.equals (""))
return 0;
return float.parsefloat (s);
}

String[] Split (String source,string div) {
int arynum = 0,intidx=0,intidex=0,div_length = Div.length ();
if (Source.compareto ("")!=0) {
if (Source.indexof (div)!=-1) {
Intidx = Source.indexof (div);
for (int intcount =1;; intcount++) {
if (Source.indexof (div,intidx+div_length)!=-1) {
intidx= Source.indexof (div,intidx+div_length);
Arynum = intcount;
}
else {arynum+=2;break;}
}
}else arynum = 1;
}else arynum = 0;

intidx=0;
intidex=0;
string[] Returnstr = new String[arynum];

if (Source.compareto ("")!=0) {

if (Source.indexof (div)!=-1) {

INTIDX = (int) source.indexof (DIV);
returnstr[0]= (String) source.substring (0,INTIDX);

for (int intcount =1;; intcount++) {
if (Source.indexof (div,intidx+div_length)!=-1) {
intidex= (int) source.indexof (div,intidx+div_length);

Returnstr[intcount] = (String) source.substring (Intidx+div_length,intidex);

INTIDX = (int) source.indexof (div,intidx+div_length);
}
else {
Returnstr[intcount] = (String) source.substring (Intidx+div_length,source.length ());
Break
}
}
}
else {returnstr[0] = (String) source.substring (0,source.length ()); return returnstr;}
}
else {return returnstr;}
return returnstr;
}


public class Stc_rsyb_name
{
public int pos =-1;
Public String NAME = "";
Public String host = "";
Public String home1 = "";
Public String home2 = "";
Public String Home3 = "";
}
public class Stc_syb_inf
{
String reg_name = "";
String g_syb = "";
String r_syb = "";
}
file://Output Space
void Showblank (int num,jspwriter out) {
try{
for (int i=0;i<=num;i++)
Out.print ("");
}
catch (Exception e) {}
}


String G_syb_mk () {
String G_SYB_MK = null;
String nis_m_o = "1???????????????????????????????????????????????????????????????";
String local_m = "1??????????????????????????????????????????????????????????????";
String winnt_dc = "???? 1??????????????????????????????????????????????????????????? ";
String nis_local = "one??????????????????????????????????????????????????????????????";
int Ret = 0,reccount = 0,k = 0;
String Set_ret = "Ssy";
string[] Domein = null;
string[] Group_syb = null;
int wk_syb[];
try{
String sql = "SELECT COUNT (*)" from 寁 Lantau 婡 where 庬 暿 like ' "+ nis_m_o +" ' or words beast 庬 暿 like ' "+ local_m +" ' or words beast 庬 暿 like ' "+winnt _DC + "'";
rs = stmt.executequery (SQL);
if (Rs.next ()) {
RecCount = Rs.getint (1);
rs = null;
}
String SQL2 = "SELECT * from 寁 婡 where to talk beast 庬 暿 like '" + nis_m_o + "' or words beast 庬 暿 like '" + local_m + "' or words Beast 庬 ' 暿 like '" +winnt_dc + " '";
while (Rs.next ()) {
int i = 0;
Domein[i] = rs.getstring ("Neon also 輺?");
i++;
}
for (int j = 0; J < RecCount; J + +) {
String sql3 = "SELECT * from 僌 儖 乕 僾 庬 where neon 暿? = '" + 輺] + "'";
rs = Stmt.executequery (SQL3);
if (Rs.next ()) {
K = k + 1;
Group_syb[k] = rs.getstring ("Gao Cease kick 庬 暿");
}
}
for (int l = 0; l < l++) {
for (int m = 0; m < K; m++) {
if (group_syb[m].substring (l,l+1). Equals ("1")) {
if (l==1) {
Set_ret = "1";
}else{
Set_ret = Set_ret + "1";
}
Break
}else{
if (m==k) {
if (l==1) {
Set_ret = "0";
}else{
Set_ret = Set_ret + "0";
}
}
}
}
}
G_SYB_MK = Set_ret;
}catch (Exception e) {}
return G_SYB_MK;
}

int recount (String strtable,string Sel)
{
String myst= "";
int t = 0;
ResultSet Rsd=null;
Try
{
myst= "SELECT COUNT (*) ads from" + strtable + "" + Sel;
Rsd= conn.createstatement (). executequery (Myst);
if (Rsd.next ())
{
T=rsd.getint ("ads");
}
}
catch (SQLException sqe)
{
System.out.println ("ODBC wrong:" + sqe + "+" +myst);
}
RSD = null;
return t;

}

int DCount (String duan,string strtable,string Strsel)
{
int t=0;
ResultSet Rss=null;
Try
{
String mysql= "SELECT COUNT (*) ads from" + strtable + "where" + Strsel + "and" + Duan + "are not NULL";
Rss= conn.createstatement (). executequery (MYSQL);
if (Rss.next ())
{
T=rss.getint ("ads");
}
}
catch (Exception sqe)
{
System.out.println (SQE);
}
Rss=null;
return t;
}

String DLookup (String duan,string strtable,string Strsel)
{
String strreturn = null;
ResultSet RSS = NULL;
try{
String strSQL = "Select" +duan+ "from" +strtable+ "where" + Strsel;
rss = Conn.createstatement (). executequery (strSQL);
if (Rss.next ()) {

Strreturn = rss.getstring (Duan);
}

}catch (Java.sql.SQLException Sqle) {
System.out.println ("dlookup_exception:" +sqle);
}

rss = NULL;
return strreturn;
}
String RTrim (String str) {
String rstr = str;
if (str = null)
{
RSTR = "";
}
Else
{
if (str.length () = = 0) Rstr = "";
if (str.length () > 0)
{
for (int i = Str.length (); i > 0; i--)
{
if (str.substring (i-1,i). Equals (""))
RSTR = rstr.substring (0,i-1);
else break;
}
}

}
return RSTR;
}
void Sybinf_set (Stc_rsyb_name in_data, Stc_syb_inf out_data) throws java.sql.sqlexception{
String new_syb = "00000000000000000000000000000000";
Out_data.reg_name = In_data.name;
String sql = "";
String rdomein1 = "";
String rdomein2 = "";
String rdomein3 = "";
ResultSet RSF = null;
Statement STF = Conn.createstatement ();
try {
sql = "Select Gao Cease kick 庬 暿" from 僌 儖 乕 僾 庬 暿 Where neon also 輺? = ' "+ In_data.host +" ";
RSF = Conn.createstatement (). executequery (SQL);
if (Rsf.next ()) {
Out_data. G_syb = Dealnull (rsf.getstring ("Gao Cease kick 庬 暿"));
} else {
Out_data. G_syb = "";
}
catch (Java.sql.SQLException Sqle) {
System.out.println ("111111" + Sqle);
}
try {
sql = "Select 棙 梡 庬 暿 from 棙 梡 庬 暿 Where neon also 輺? = '" + in_data.home1 + "'";
RSF = stf.executequery (sql);
if (Rsf.next ())
Rdomein1 = Dealnull (rsf.getstring ("棙 梡 庬 暿"));
catch (Java.sql.SQLException Sqle) {
System.out.println ("22222" + Sqle);
}
try {
sql = "Select 棙 梡 庬 暿 from 棙 梡 庬 暿 Where neon also 輺? = '" + in_data.home2 + "'";
RSF = stf.executequery (sql);
if (Rsf.next ())
Rdomein2 = Dealnull (rsf.getstring ("棙 梡 庬 暿"));
catch (Java.sql.SQLException Sqle) {
System.out.println ("333333" + Sqle);
}
try {
sql = "Select 棙 梡 庬 暿 from 棙 梡 庬 暿 Where neon also 輺? = '" + In_data.home3 + "'";
RSF = stf.executequery (sql);
if (Rsf.next ())
rdomein3 = Dealnull (rsf.getstring ("棙 梡 庬 暿"));
catch (Java.sql.SQLException Sqle) {
System.out.println ("444444" + Sqle);
}
RSF = null;
STF = null;
String p = char_or (rdomein1, rdomein2);
if (P.equals ("")) p = new_syb;
String q = char_or (P, rdomein3);
if (Q.equals ("")) Q = new_syb;
Out_data. R_SYB = q;
}
String Char_or (String arg1, string arg2) {
int len1 =-1, len2 =-1, Max_len =-1, Min_len =-1;
String ret_sts = "";
int long_f =-1;
Len1 = Arg1.length ();
Len2 = Arg2.length ();
if (len1 = = 0 && len2 > 0)
return arg2;
else if (len1 > 0 && len2 = 0)
return arg1;
else if (len1 = 0 && len2 = 0)
Return "";
Ret_sts = "";
if (Len1 > Len2) {
Max_len = len1;
Min_len = Len2;
Long_f = 1;
else if (Len1 < len2) {
Max_len = Len2;
Min_len = len1;
Long_f = 2;
} else {
Max_len = len1;
Min_len = Len2;
Long_f = 0;
}
for (int i = 1; I <= Max_len; i++) {
if (i <= Min_len) {
if (arg1.substring (i-1, i). Equals ("1") | | | arg2.substring (I-1, i). Equals ("1"))
ret_sts = ret_sts + "1";
Else
ret_sts = ret_sts + "0";
} else {
if (Long_f = 1)
ret_sts = ret_sts + arg1.substring (i-1, i);
else if (Long_f = 2)
ret_sts = ret_sts + arg2.substring (i-1, i);
}
}
return ret_sts;
}
%>

<%!
void WriteFile (String mystring,string target_file) {
try {
Java.io.PrintWriter pw = new Java.io.PrintWriter (new Java.io.FileOutputStream (target_file));
Pw.println (myString);
Pw.close ();
Mystring= "";
catch (Java.io.IOException e) {
System.out.println (E.getmessage ());
}
}
%>



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