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java php similar text function impleme.tation

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Simple method hat return percent of match two strings. Like similar_text on php

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  1. package comwebndesignserver.server;
  2.  
  3. import android.util.Log;
  4.  
  5. /* * * DenPashkov 2012 * http://www.facebook.com/pashkovdenis * * PhP Similar String Implementation * 30.07.2012 * */
  6.  
  7. public class SimilarString {
  8.  
  9. private String string = "" ; private String string2 = ""; public int procent = 0 ; private int position1 =0 ; private int position2 =0;
  10.  
  11. // Similar String public SimilarString(String str1, String str2){ this.string = str1.toLowerCase(); this.string2 = str2.toLowerCase(); } public SimilarString() {
  12.  
  13. } // Set string public SimilarString setString(String str1, String str2){ this.string = str1.toLowerCase(); this.string2 = str2.toLowerCase(); return this ; }
  14.  
  15. //get Similar public int similar(){ string= string.trim() ; string2= string2.trim(); int len_str1 = string.length() ; int len_str2 = string2.length() ;
  16.  
  17. int max= 0; if (string.length()>1 && string2.length()>1 ){ // iterate for (int p=0 ; p<=len_str1; p++){ for (int q=0 ; q<=len_str2; q++){ for(int l=0 ; (p + l < len_str1) && (q + l < len_str2) && (string.charAt(l) == string2.charAt(l)); l++){ if (l>max){ max=l ; position1 = p ; position2 = q; } } } }
  18.  
  19. //sim * 200.0 / (t1_len + t2_len) this.procent = max * 200 / ((string.length()) + (string2.length()) - (max) + (position2 - position1) ) - (max*string.length() ) ; if (procent>100) procent = 100; if (procent<0) procent = 0; } return this.procent ; }
  20.  
  21. }
  22. }
  23. //  endofline

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