Java String Index Of getStructValue(String struct, int index)

Description

get Struct Value

License

Open Source License

Declaration

public static String getStructValue(String struct, int index) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.*;

public class Main {
    public static String getStructValue(String struct, int index) {
        Vector vr = splitStruct(struct);

        String value = (String) vr.elementAt(index);
        /*/*from   w  ww . j  a  v  a2  s  .co  m*/
          if (value.startsWith("["))
          {
          int i=index+1;
          StringBuffer sb=new StringBuffer(value);
          while (!value.endsWith("]"))
          {
          value=(String)vr.elementAt(i);
          if (value.startsWith("["))
          {
          value="]";
          continue;
          } // end of if ()
               
          sb.append(' ');
          sb.append(value);
          i++;
          } // end of while ()
          value=sb.toString();
          } // end of if ()
        */
        value = replace(value, "[", "");
        value = replace(value, "]", "");
        return value;

    }

    public static Vector splitStruct(String struct) {
        Vector vr = new Vector();
        if (struct.startsWith("[") && struct.endsWith("]")) {
            struct = struct.substring(1, struct.length() - 1);
        } // end of if ()

        StringTokenizer stok = new StringTokenizer(struct, " ");
        while (stok.hasMoreTokens()) {
            String tok = stok.nextToken();
            if (tok.startsWith("[")) {
                StringBuffer sb = new StringBuffer();

                while (!tok.endsWith("]")) {
                    sb.append(tok);
                    sb.append(' ');
                    tok = stok.nextToken();
                } // end of while ()
                sb.append(replace(tok, "]", ""));//add last element

                tok = sb.toString();
            } // end of if ()

            vr.addElement(tok);
        } // end of while ()

        return vr;

    }

    public static String replace(String body, String findString, String replaceString) {
        return replace(body, findString, replaceString, false);
    }

    public static String replace(String body, String findString, String replaceString, boolean once) {
        //StringBuffer newBodyBuffer = new StringBuffer (findString.length()*2);
        StringBuffer newBodyBuffer = new StringBuffer();
        char[] chars = body.toCharArray();
        int start = 0;
        while (true) {
            int index = body.indexOf(findString, start);
            if (index == -1)
                break;
            newBodyBuffer.append(chars, start, index - start);
            newBodyBuffer.append(replaceString);
            start = index + findString.length();
            if (once)
                break;

        }
        newBodyBuffer.append(chars, start, chars.length - start);
        return newBodyBuffer.toString();
    }
}

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