Re: substring() not working?

From:
IchBin <weconsul@ptd.net>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 04 Sep 2006 02:11:01 -0400
Message-ID:
<V9WcnbNRKaLqXmbZUSdV9g@ptd.net>
Mark Space wrote:

Peter Parker wrote:

Also, what's the best way to extract fields from a string (or from a
file) like this? java/VB Script? PERL? Thanks.String sample = "<a
href="http://email.people.yahoo.com/py/psEmailVcard.vcf?Pyt=Tps&amp;srch=email&amp;
snipped String firstName =
sample.substring(sample.indexOf("FirstName=") +10,
sample.indexOf("&amp;LastName"));


Hmm, that's a good question. I assumed the answer would be "use
java.net.URL" but there's no way to parse the query string. You can use
getQuery() to get the whole thing, which seems a bit safer than your
method.


You can look at this code. It has a trace option at the top. I set it to
true. It will do what you want but I am not happy with it. I think I can
clean it up and make it tighter. Anyway, here ya go:

public class Parsetest
{
     static boolean trace = true;
     public static void main(String[] args)
     {
         String sample = "<a href="
             +
"http://email.people.yahoo.com/py/psEmailVcard.vcf?Pyt=Tps&amp;srch=email&amp;ext=vcard.vcf&amp;FirstName=George&amp;LastName=Bush&amp;FullName=George+Bush&amp;City=Washington&amp;State=DC&amp;Country=US&amp;CountryCode=US&amp;Email=gbush@whitehouse.com&amp;URL="
             + ">vCard</a>";
         String firstName = "", lastName = "", fullName = "";
         String city = "", state = "", country = "", countryCode = "",
email = "";

         sample = sample.replace("&amp", "");
         sample = sample.replace("=", " ");
         String[] token = sample.split(";");
         int i = 0;

         for (i = 0; i < token.length; i++){
             if (trace)
                 System.out.println("Queued (length, value) " +
                         token[i].length() + " "+ token[i]);

             if (token[i].length()> 3 &
                 token[i].substring(0, 4).equals("City")){
                 city = token[i].substring(4).trim();
             } else if (token[i].length()> 4 &
                        token[i].substring(0, 5).equals("Email")){
                 email = token[i].substring(5).trim();
             } else if (token[i].length()> 4 &
                        token[i].substring(0, 5).equals("State")){
                 state = token[i].substring(5).trim();
             } else if (token[i].length()> 6 &
                        token[i].substring(0, 7).equals("Country")){
                 country = token[i].substring(7).trim();
             } else if (token[i].length()> 7 &
                        token[i].substring(0, 8).equals("LastName")){
                 lastName = token[i].substring(8).trim();
             } else if (token[i].length()>7 &
                        token[i].substring(0, 8).equals("FullName")){
                 fullName = token[i].substring(8).trim();
                 fullName = fullName.replace("+", " ");
             } else if (token[i].length()> 8 &
                        token[i].substring(0, 9).equals("FirstName")){
                 firstName = token[i].substring(9).trim();
             } else if (token[i].length() > 9 &
                        (token[i].substring(0, 10).equals("CountryCode"))) {
                 countryCode = token[i].substring(11).trim();
             } else
                 if (trace)
                     System.out.println("Not Used: " + token[i]);
         }
         // test
         System.out.println("firstName: " + firstName);
         System.out.println("lastName: " + lastName);
         System.out.println("fullName: " + fullName);
         System.out.println("city: " + city);
         System.out.println("state: " + state);
         System.out.println("country: " + country);
         System.out.println("Country Code: " + state);
         System.out.println("Email: " + email);

     }
}
--
Thanks in Advance...
IchBin, Pocono Lake, Pa, USA http://weconsultants.phpnet.us
'If there is one, Knowledge is the "Fountain of Youth"'
-William E. Taylor, Regular Guy (1952-)

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