datadecoder.java

it is Also Kmeans Algorithm in java.

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package clusteranalysis;

/**
 *
 * @author hako
 */

import java.util.*;

public class DataDecoder {

    boolean colStart=false;
    boolean rowStart=false;
    int rows=0,cols=0;
    double[][] data;
    
    public DataDecoder(String strdata){
        strdata=strdata.replaceAll("\n", "").replaceAll(" ", "");
        StringTokenizer tok=new StringTokenizer(strdata, "{},",true);
        String token;
        boolean neverLoopBack=false;
        StringBuffer tempData=new StringBuffer();
        boolean operated=false;
        
        while (tok.hasMoreTokens()){
            token=tok.nextToken();
            operated=false;
            if (token.equals("{") && rowStart==false) {
                rows++;
                rowStart=true;
                operated=true;
            }
            if (token.equals("{") && rowStart==true){
                //cols++;
                colStart=true;
                operated=true;
            }
            if (token.equals(",") && colStart==true && !neverLoopBack){
                cols++;
                colStart=true;
                operated=true;
            }
            if (token.equals("}") && colStart==true){
                colStart=false;
                neverLoopBack=true;
                operated=true;
            }
            if (token.equals("}") && colStart==false){
                rowStart=false;
                operated=true;
            }
            if (!operated){
                try{
                    
                    Double.parseDouble(token);
                    tempData.append(token);
                    tempData.append("\n");
                }catch (Exception e){
                    //System.out.println(e+": "+token);
                }
                
            }
        }
        cols++;
        data=new double[rows][cols];
        String[] parser=tempData.toString().split("\n");
        int c=0;
        for (int i=0;i<rows;i++){
            for (int j=0;j<cols;j++){
                
                data[i][j]=Double.parseDouble(parser[c]);
                //System.out.println("Making "+parser[c]+" to "+data[i][j]);
                c++;
            }
        }
    }
    
    public double[][] getData(){
        return (this.data);
    }
    
}