Re: indexOf

From:
RedGrittyBrick <RedGrittyBrick@SpamWeary.foo>
Newsgroups:
comp.lang.java.help
Date:
Thu, 21 Feb 2008 11:50:49 +0000
Message-ID:
<47bd659e$0$8421$db0fefd9@news.zen.co.uk>
Jean Pierre Daviau wrote:

Hi to everyone and all of you ,

How comes that the checkExtensions method does not work and the
tedious if( temp.indexOf("mov") != -1 ) do?

======
public static boolean checkExtensions(String tmp){

String ext[] = {"html", "htm", "lnk", "mov", "avi", "psd", "ai",
"ps", "tif", "nws", "txt", "raw", "pdf"};

 for (int i=0; i<ext.length ;i++ )
 {
      if(tmp.indexOf(ext[i]) != -1){
       return true;
      }
 }
return false;
}

public static void walk(File file) {
  String temp = file.toString();

/* if (checkExtensions(temp)){
   if(!noFiles)
    to_preHTML(temp, linkFiles);
  } */

if( temp.indexOf("mov") != -1 || temp.indexOf("pdf") != -1 ||
temp.indexOf("lnk") != -1 || temp.indexOf("avi") != -1){
        if(!file.isFile())
                to_preHTML(temp, true);
}
====

=
Thanks for your attention.


Have I missed something? It seems to work.

----------------------------------8<---------------------------------
import java.io.File;

public class TestIndexOf {
     public static void main(String[] args) {
         walk(new File("foo.mov"));
         walk(new File("bar.jpg"));
     }

     public static boolean checkExtensions(String tmp) {

         String ext[] = { "html", "htm", "lnk", "mov", "avi",
                 "psd", "ai", "ps", "tif", "nws", "txt", "raw",
                 "pdf" };

         for (int i = 0; i < ext.length; i++) {
             if (tmp.indexOf(ext[i]) != -1) {
                 return true;
             }
         }
         return false;
     }

     public static void walk(File file) {
         String temp = file.toString();

         if (checkExtensions(temp)) {
             System.out.println("1. Valid extension for " + temp);
         } else {
             System.out.println("1. Bad extension for " + temp);
         }

         if (temp.indexOf("mov") != -1 //
                 || temp.indexOf("pdf") != -1 //
                 || temp.indexOf("lnk") != -1 //
                 || temp.indexOf("avi") != -1) {
             System.out.println("2. Valid extension for " + temp);
         } else {
             System.out.println("2. Bad extension for " + temp);
         }
     }
}
----------------------------------8<---------------------------------

1. Valid extension for foo.mov
2. Valid extension for foo.mov
1. Bad extension for bar.jpg
2. Bad extension for bar.jpg

Jean Pierre Daviau
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