i have the following code but it has some sorts of error whenever i run the page after validation through javascript it calls for the servlets and then i tried to retrive the parameters but it is always showing me null values. My Html page is like this
<form action="sfkcreateaccount" method="post">
<table style="width: 940px">
<tr>
<td style="width: 450px; margin: 5px; padding: 5px">
<div>
<table>
<tr>
<td>
First Name:
</td>
<td>
<input type="text" id="fname" placeholder="First Name" style="width: 157px" maxlength="2048">
</td>
</tr>
<tr>
<td>
Last Name:
</td>
<td>
<input type="text" id="lname" placeholder="Last Name" style="width: 157px" maxlength="2048">
</td>
</tr>
<tr>
<td>
Choose Password:
</td>
<td>
<input type="password" id="pwd1" placeholder="Choose Password" style="width: 157px" maxlength="40">
</td>
</tr>
<tr>
<td>
Choose Username:
</td>
<td>
<input type="text" id="uname1" placeholder="Choose Username" style="text-transform: lowercase; width: 157px;" maxlength="100">
</td>
</tr>
<tr>
<td>
Gender:
</td>
<td>
<input type="radio" name="gender" value="Male" checked="checked" id="male"><label for="male">Male</label>
<input type="radio" name="gender" value="Female" id="female"><label for="female">Female</label>
</td>
</tr>
</table>
</div>
</td>
<td style="width: 450px; margin: 5px;padding: 5px">
<div>
<table>
<tr>
<td>
Middle Name:
</td>
<td>
<input type="text" id="mname" placeholder="Middle Name" style="width: 157px" maxlength="2048">
</td>
</tr>
<tr>
<td>
Date of Birth:
</td>
<td>
<input type="date" id="dob" placeholder="MM/DD/YYYY" style="width: 157px">
</td>
</tr>
<tr>
<td>
Verify Password:
</td>
<td>
<input type="password" id="pwd2" placeholder="Verify Password" style="width: 157px" maxlength="40">
</td>
</tr>
<tr>
<td>
Verify Username:
</td>
<td>
<input type="text" id="uname2" placeholder="Verify Username" style="text-transform: lowercase; width: 157px" maxlength="100">
</td>
</tr>
<tr>
<td>
Country:
</td>
<td>
<select style="width: 157px" id="cntri">
<option value="-1">Select Your Country</option>
<option value="AF">Afghanistan</option>
<option value="AX">Ã?â?¦land Islands </option>
<option value="AL">Albania </option>
<option value="DZ">Algeria </option>
<option value="AS">American Samoa </option>
<option value="AD">AndorrA </option>
<option value="AO">Angola </option>
<option value="AI">Anguilla </option>
<option value="AQ">Antarctica </option>
<option value="AG">Antigua and Barbuda</option>
<option value="AR">Argentina </option>
<option value="AM">Armenia </option>
<option value="AW">Aruba </option>
<option value="AU">Australia</option>
<option value="AT">Austria </option>
<option value="AZ">Azerbaijan </option>
<option value="BS">Bahamas</option>
<option value="BH">Bahrain </option>
<option value="BD">Bangladesh </option>
<option value="BB">Barbados </option>
<option value="BY">Belarus </option>
<option value="BE">Belgium </option>
<option value="BZ">Belize </option>
<option value="BJ">Benin</option>
<option value="BM">Bermuda</option>
<option value="BT">Bhutan</option>
<option value="BO">Bolivia</option>
<option value="BA">Bosnia and Herzegovina</option>
<option value="BW">Botswana</option>
<option value="BV">Bouvet Island</option>
<option value="BR">Brazil</option>
<option value="IO">British Indian Ocean Territory</option>
<option value="BN">Brunei Darussalam</option>
<option value="BG">Bulgaria</option>
<option value="BF">Burkina Faso</option>
<option value="BI">Burundi</option>
<option value="KH">Cambodia </option>
<option value="CM">Cameroon </option>
<option value="CA">Canada </option>
<option value="CV">Cape Verde </option>
<option value="KY">Cayman Islands </option>
<option value="CF">Central African Republic</option>
<option value="TD">Chad </option>
<option value="CL">Chile </option>
<option value="CN">China </option>
<option value="CX">Christmas Island </option>
<option value="CC">Cocos (Keeling) Islands </option>
<option value="CO">Colombia </option>
<option value="KM">Comoros </option>
<option value="CG">Congo </option>
<option value="CD">Congo, The Democratic Republic of the </option>
<option value="CK">Cook Islands </option>
<option value="CR">Costa Rica </option>
<option value="CI">Cote D'Ivoire </option>
<option value="HR">Croatia </option>
<option value="CU">Cuba </option>
<option value="CY">Cyprus </option>
<option value="CZ">Czech Republic </option>
<option value="DK">Denmark</option>
<option value="DJ">Djibouti</option>
<option value="DM">Dominica</option>
<option value="DO">Dominican Republic</option>
<option value="EC">Ecuador</option>
<option value="EG">Egypt</option>
<option value="SV">El Salvador</option>
<option value="GQ">Equatorial Guinea</option>
<option value="ER">Eritrea</option>
<option value="EE">Estonia</option>
<option value="ET">Ethiopia</option>
<option value="FK">Falkland Islands (Malvinas)</option>
<option value="FO">Faroe Islands</option>
<option value="FJ">Fiji</option>
<option value="FI">Finland</option>
<option value="FR">France</option>
<option value="GF">French Guiana</option>
<option value="PF">French Polynesia</option>
<option value="TF">French Southern Territories</option>
<option value="GA">Gabon</option>
<option value="GM">Gambia</option>
<option value="GE">Georgia</option>
<option value="DE">Germany</option>
<option value="GH">Ghana</option>
<option value="GI">Gibraltar</option>
<option value="GR">Greece</option>
<option value="GL">Greenland</option>
<option value="GD">Grenada</option>
<option value="GP">Guadeloupe</option>
<option value="GU">Guam</option>
<option value="GT">Guatemala</option>
<option value="GG">Guernsey</option>
<option value="GN">Guinea</option>
<option value="GW">Guinea-Bissau</option>
<option value="GY">Guyana</option>
<option value="HT">Haiti</option>
<option value="HM">Heard Island and Mcdonald Islands</option>
<option value="VA">Holy See (Vatican City State)</option>
<option value="HN">Honduras</option>
<option value="HK">Hong Kong</option>
<option value="HU">Hungary</option>
<option value="IS">Iceland</option>
<option value="IN">India</option>
<option value="ID">Indonesia</option>
<option value="IR">Iran, Islamic Republic Of</option>
<option value="IQ">Iraq</option>
<option value="IE">Ireland</option>
<option value="IM">Isle of Man</option>
<option value="IL">Israel</option>
<option value="IT">Italy</option>
<option value="JM">Jamaica</option>
<option value="JP">Japan</option>
<option value="JE">Jersey</option>
<option value="JO">Jordan</option>
<option value="KZ">Kazakhstan</option>
<option value="KE">Kenya</option>
<option value="KI">Kiribati</option>
<option value="KP">Korea, Democratic People'S Republic of</option>
<option value="KR">Korea, Republic of</option>
<option value="KW">Kuwait</option>
<option value="KG">Kyrgyzstan</option>
<option value="LA">Lao People'S Democratic Republic</option>
<option value="LV">Latvia</option>
<option value="LB">Lebanon</option>
<option value="LS">Lesotho</option>
<option value="LR">Liberia</option>
<option value="LY">Libyan Arab Jamahiriya</option>
<option value="LI">Liechtenstein</option>
<option value="LT">Lithuania</option>
<option value="LU">Luxembourg</option>
<option value="MO">Macao</option>
<option value="MK">Macedonia, The Former Yugoslav Republic of</option>
<option value="MG">Madagascar</option>
<option value="MW">Malawi</option>
<option value="MY">Malaysia</option>
<option value="MV">Maldives</option>
<option value="ML">Mali</option>
<option value="MT">Malta</option>
<option value="MH">Marshall Islands</option>
<option value="MQ">Martinique</option>
<option value="MR">Mauritania</option>
<option value="MU">Mauritius</option>
<option value="YT">Mayotte</option>
<option value="MX">Mexico</option>
<option value="FM">Micronesia, Federated States of</option>
<option value="MD">Moldova, Republic of</option>
<option value="MC">Monaco</option>
<option value="MN">Mongolia</option>
<option value="MS">Montserrat</option>
<option value="MA">Morocco</option>
<option value="MZ">Mozambique</option>
<option value="MM">Myanmar</option>
<option value="NA">Namibia</option>
<option value="NR">Nauru</option>
<option value="NP">Nepal</option>
<option value="NL">Netherlands</option>
<option value="AN">Netherlands Antilles</option>
<option value="NC">New Caledonia</option>
<option value="NZ">New Zealand</option>
<option value="NI">Nicaragua</option>
<option value="NE">Niger</option>
<option value="NG">Nigeria</option>
<option value="NU">Niue</option>
<option value="NF">Norfolk Island</option>
<option value="MP">Northern Mariana Islands</option>
<option value="NO">Norway</option>
<option value="OM">Oman</option>
<option value="PK">Pakistan</option>
<option value="PW">Palau</option>
<option value="PS">Palestinian Territory, Occupied</option>
<option value="PA">Panama</option>
<option value="PG">Papua New Guinea</option>
<option value="PY">Paraguay</option>
<option value="PE">Peru</option>
<option value="PH">Philippines</option>
<option value="PN">Pitcairn</option>
<option value="PL">Poland</option>
<option value="PT">Portugal</option>
<option value="PR">Puerto Rico</option>
<option value="QA">Qatar</option>
<option value="RE">Reunion</option>
<option value="RO">Romania</option>
<option value="RU">Russian Federation</option>
<option value="RW">RWANDA</option>
<option value="SH">Saint Helena</option>
<option value="KN">Saint Kitts and Nevis</option>
<option value="LC">Saint Lucia</option>
<option value="PM">Saint Pierre and Miquelon</option>
<option value="VC">Saint Vincent and the Grenadines</option>
<option value="WS">Samoa</option>
<option value="SM">San Marino</option>
<option value="ST">Sao Tome and Principe</option>
<option value="SA">Saudi Arabia</option>
<option value="SN">Senegal </option>
<option value="CS">Serbia and Montenegro</option>
<option value="SC">Seychelles</option>
<option value="SL">Sierra Leone</option>
<option value="SG">Singapore</option>
<option value="SK">Slovakia</option>
<option value="SI">Slovenia</option>
<option value="SB">Solomon Islands</option>
<option value="SO">Somalia</option>
<option value="ZA">South Africa</option>
<option value="GS">South Georgia and the South Sandwich Islands</option>
<option value="ES">Spain</option>
<option value="LK">Sri Lanka</option>
<option value="SD">Sudan</option>
<option value="SR">Suriname</option>
<option value="SJ">Svalbard and Jan Mayen</option>
<option value="SZ">Swaziland</option>
<option value="SE">Sweden</option>
<option value="CH">Switzerland</option>
<option value="SY">Syrian Arab Republic</option>
<option value="TW">Taiwan, Province of China</option>
<option value="TJ">Tajikistan</option>
<option value="TZ">Tanzania, United Republic of</option>
<option value="TH">Thailand</option>
<option value="TL">Timor-Leste</option>
<option value="TG">Togo</option>
<option value="TK">Tokelau</option>
<option value="TO">Tonga</option>
<option value="TT">Trinidad and Tobago</option>
<option value="TN">Tunisia</option>
<option value="TR">Turkey</option>
<option value="TM">Turkmenistan</option>
<option value="TC">Turks and Caicos Islands</option>
<option value="TV">Tuvalu</option>
<option value="UG">Uganda</option>
<option value="UA">Ukraine</option>
<option value="AE">United Arab Emirates</option>
<option value="GB">United Kingdom</option>
<option value="US">United States</option>
<option value="UM">United States Minor Outlying Islands</option>
<option value="UY">Uruguay</option>
<option value="UZ">Uzbekistan</option>
<option value="VU">Vanuatu</option>
<option value="VE">Venezuela</option>
<option value="VN">Viet Nam</option>
<option value="VG">Virgin Islands, British</option>
<option value="VT">Virgin Islands, U.S.</option>
<option value="WF">Wallis and Futuna</option>
<option value="EH">Western Sahara</option>
<option value="YE">Yemen</option>
<option value="ZM">Zambia</option>
<option value="ZW">Zimbabwe</option>
</select>
</td>
</tr>
</table>
</div>
</td>
</tr>
</table>
<div style="text-align: center;padding-top: 20px">
<input id="Create_Account_Control" type="submit" value="Create My New Account" style="border-width: 2px; border-radius: 6px; border-color: threeddarkshadow; background-color: snow; width: 180px; height: 25px;" onmousedown="musdown()" onmouseout="musout()" onmouseover="musover()" onmouseup="musup()" onkeypress="musdown()">
</div>
</form>
After This i added Java Scripts by following
function musup()
{
document.getElementById('Create_Account_Control').style.backgroundColor='#6f6';
document.getElementById("Create_Account_Control").style.borderColor='threedshadow';
document.getElementById("Create_Account_Control").style.fontStyle='italic';
document.getElementById("Create_Account_Control").style.fontWeight='bold';
}
function musdown()
{
document.getElementById('Create_Account_Control').style.backgroundColor='lightblue';
document.getElementById("Create_Account_Control").style.borderColor='threedshadow';
document.getElementById("Create_Account_Control").style.fontStyle='oblique';
document.getElementById("Create_Account_Control").style.fontWeight='bold';
click_action();
}
function musover()
{
document.getElementById('Create_Account_Control').style.backgroundColor='#6f6';
document.getElementById("Create_Account_Control").style.borderColor='threedshadow';
document.getElementById("Create_Account_Control").style.fontStyle='italic';
document.getElementById("Create_Account_Control").style.fontWeight='bold';
}
function musout()
{
document.getElementById('Create_Account_Control').style.backgroundColor='snow';
document.getElementById("Create_Account_Control").style.borderColor='threeddarkshadow';
document.getElementById("Create_Account_Control").style.fontStyle='normal';
document.getElementById("Create_Account_Control").style.fontWeight='normal';
}
function click_action()
{
var fname,mname,lname,pwd1,pwd2,uname1,uname2,gender,cntri,t,dob_year,dob_month,dob_date,current_year,current_month,current_date,temp,dob,current;
t=new Date();
fname=document.getElementById("fname").value;
mname=document.getElementById("mname").value;
lname=document.getElementById("lname").value;
t=document.getElementById("dob").value;
pwd1=document.getElementById("pwd1").value;
pwd2=document.getElementById("pwd2").value;
uname1=document.getElementById("uname1").value;
uname2=document.getElementById("uname2").value;
cntri=document.getElementById("cntri").value;
temp=document.getElementsByName("gender");
dob=new Date(t);
current=new Date();
dob_year=dob.getFullYear();
dob_month=dob.getMonth();
dob_date=dob.getDate();
current_year=current.getFullYear();
current_month=current.getMonth();
current_date=current.getDate();
if(fname.length<=0||mname.length<=0||lname.lenght<=0||pwd1.lenght<=0||pwd2.length<=0||uname1.length<=0||uname2.lenght<=0||cntri==-1)
{
alert("Please Fill All the Fields First");
}
else
{
if(t==null)
{
alert("Please Select your Birth Date")
}
else
{
if(current_year>=dob_year)
{
if(current_month>=dob_month)
{
if(current_date>dob_date)
{
if(temp[0].checked == true || temp[1].checked == true )
{
if(temp[0].checked==true)
{
gender=temp[0].value;
}
if(temp[1].checked==true)
{
gender=temp[1].value;
}
validity();
}
else
{
alert("Please Select a Gender");
}
}
else
{
alert("Invalid Date");
}
}
else
{
alert("Invalid month");
}
}
else
{
alert("Invalid Year");
}
}
}
}
function validity()
{
var pwd1,pwd2,uname1,uname2;
pwd1=document.getElementById("pwd1").value;
pwd2=document.getElementById("pwd2").value;
uname1=document.getElementById("uname1").value;
uname2=document.getElementById("uname2").value;
uname1.toString().toLowerCase();
uname2.toString().toLowerCase();
if(pwd1==pwd2)
{
if(uname1==uname2)
{
Name_validaton();
}
else
{
alert("Usernames didn't matches");
}
}
else
{
alert("Passwords didn't matches");
}
}
function Name_validaton()
{
var fname,mname,lname;
fname=document.getElementById("fname").value;
mname=document.getElementById("mname").value;
lname=document.getElementById("lname").value;
f=String(fname);
m=String(mname);
l=String(lname);
A0=String("?");
A1=String("|");
A2=String("\\");
A3=String("[");
A4=String("+");
A5=String(")");
A6=String("(");
A7=String("*");
A8=String("&");
A9=String("^");
B0=String("$");
B1=String("$");
B2=String("$");
if(f.match("@")||m.match("@")||l.match("@")||f.match("!")||m.match("!")||l.match("!")||f.match("~")||m.match("~")||l.match("~")||f.match("`")||m.match("`")||l.match("`")||f.match("%")||m.match("%")||l.match("%")||f.match("#")||m.match("#")||l.match("#")||f.match("_")||m.match("_")||l.match("_")||f.match("=")||m.match("=")||l.match("=")||f.match("}")||m.match("}")||l.match("}")||f.match("{")||m.match("{")||l.match("{")||f.match("]")||m.match("]")||l.match("]")||f.match("\"")||m.match("\"")||l.match("\"")||f.match("'")||m.match("'")||l.match("'")||f.match(";")||m.match(";")||l.match(";")||f.match(":")||m.match(":")||l.match(":")||f.match(",")||m.match(",")||l.match(",")||f.match("<")||m.match("<")||l.match("<")||f.match(">")||m.match(">")||l.match(">")||f.match("/")||m.match("/")||l.match("/")||f.match("0")||f.match("1")||f.match("2")||f.match("3")||f.match("4")||f.match("5")||f.match("6")||f.match("7")||f.match("8")||f.match("9")||m.match("0")||m.match("1")||m.match("2")||m.match("3")||m.match("4")||m.match("5")||m.match("6")||m.match("7")||m.match("8")||m.match("9")||l.match("0")||l.match("1")||l.match("2")||l.match("3")||l.match("4")||l.match("5")||l.match("6")||l.match("7")||l.match("8")||l.match("9"))
{
alert("Invalid Character in Name");
/*if(f.match(B0)||m.match(B0)||l.match(B0)||f.match(B1)||m.match(B1)||l.match(B1)||f.match(B2)||m.match(B2)||l.match(B2)||f.match(A0)||m.match(A0)||l.match(A0)||f.match(A1)||m.match(A1)||l.match(A1)||f.match(A2)||m.match(A2)||l.match(A2)||f.match(A3)||m.match(A3)||l.match(A3)||f.match(A4)||m.match(A4)||l.match(A4)||f.match(A5)||m.match(A5)||l.match(A5)||f.match(A6)||m.match(A6)||l.match(A6)||f.match(A7)||m.match(A7)||l.match(A7)||f.match(A8)||m.match(A8)||l.match(A8)||f.match(A9)||m.match(A9)||l.match(A9))
{
}*/
}
else
{
custname_validation();
}
}
function custname_validation()
{
var pwd1,pwd2,uname1,uname2;
pwd1=document.getElementById("pwd1").value;
pwd2=document.getElementById("pwd2").value;
uname1=document.getElementById("uname1").value;
uname2=document.getElementById("uname2").value;
u1=String(uname1);
u2=String(uname2);
if(pwd1.length<=7||pwd2.length<=7)
{
alert("Password Must be between 8 to 40");
}
else
{
if(uname1.length<=4||uname2.length<=4)
{
alert("Username Must be between 5 to 100");
}
else
{
if(u1.match("-")||u2.match("-")||u1.match("_")||u2.match("_")||u1.match(".")||u2.match(".")||u1.match("0")||u2.match("0")||u1.match("1")||u2.match("1")||u1.match("2")||u2.match("2")||u1.match("3")||u2.match("3")||u1.match("4")||u2.match("4")||u1.match("5")||u2.match("5")||u1.match("6")||u2.match("6")||u1.match("7")||u2.match("7")||u1.match("8")||u2.match("8")||u1.match("9")||u2.match("9")||u1.match("a")||u2.match("a")||u1.match("b")||u2.match("b")||u1.match("c")||u2.match("c")||u1.match("d")||u2.match("d")||u1.match("e")||u2.match("e")||u1.match("f")||u2.match("f")||u1.match("g")||u2.match("g")||u1.match("h")||u2.match("h")||u1.match("i")||u2.match("i")||u1.match("j")||u2.match("j")||u1.match("k")||u2.match("k")||u1.match("l")||u2.match("l")||u1.match("m")||u2.match("m")||u1.match("n")||u2.match("n")||u1.match("o")||u2.match("o")||u1.match("p")||u2.match("p")||u1.match("q")||u2.match("q")||u1.match("r")||u2.match("r")||u1.match("s")||u2.match("s")||u1.match("t")||u2.match("t")||u1.match("u")||u2.match("u")||u1.match("v")||u2.match("v")||u1.match("w")||u2.match("w")||u1.match("x")||u2.match("x")||u1.match("y")||u2.match("y")||u1.match("z")||u2.match("z"))
{
submiting();
}
else
{
alert("Only [-,_,.],[0-9],[a-z] characters are allowed");
}
}
}
//document.getElementById("Create_Account_Control").disabled=true;
}
function submiting()
{
submit();
}
And at the End i created Servlet page:
package Classfiles;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class sfkcreateaccount extends HttpServlet
{
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
PrintWriter out = response.getWriter();
String fname,mname,lname,uname, pwd,cntri,gender;
Date dob;
java.util.Date db1;
//db1=new java.util.Date(request.getParameter("dob"));
fname=request.getParameter("fname");
mname=request.getParameter("mname");
lname=request.getParameter("lname");
uname=request.getParameter("uname2");
pwd=request.getParameter("pwd2");
//dob=(Date) db1;
out.println(fname);
out.println(mname);
out.println(lname);
out.println(uname);
out.println(pwd);
//out.println(dob.toString());
}
@Override
public String getServletInfo() {
return "Short description";
}
}
This Servlets always showing me null value So can any one tell me what to do to remove this error I also want to optimise the code so please help me.
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