119 lines
2.8 KiB
Java
Executable File
119 lines
2.8 KiB
Java
Executable File
/**
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* @version 1.00 06 Jul 1999
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* @author Raju Pallath
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*/
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package org.mozilla.dom.test;
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import java.lang.*;
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import java.util.*;
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class ParamCombination
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{
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Object arrayOfVector[] = null;
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int totalCombinations = 0;
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int currIndex = 0;
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/**
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*
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* Constructor
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*
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* @param paramLength No. of parameters which shall serve as index
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* to array ofVectors
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* @return void
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*
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*/
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public ParamCombination(int paramLength)
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{
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arrayOfVector = new Object[paramLength];
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if (arrayOfVector == null) return;
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}
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/**
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*
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* This routine adds a new Vector into arrayOfVector
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*
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* @param v Vector class containing values in string format
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* viz: 0/null/DUMMY_STRING
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* @return void
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*
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*/
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public void addElement(Vector v)
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{
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if (v != null)
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{
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arrayOfVector[currIndex++] = v;
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if (totalCombinations == 0) totalCombinations = v.size();
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else totalCombinations = totalCombinations * v.size();
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}
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}
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/**
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*
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* This routine adds a new Vector into arrayOfVector
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*
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* @return array of Strings containing all combinations of values in
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* each Vector in vector array
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*
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*/
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public String[] getValueList()
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{
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if (totalCombinations == 0) return null;
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String str[] = new String[totalCombinations];
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int len = arrayOfVector.length;
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if (len == 1)
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{
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Vector v = (Vector)arrayOfVector[0];
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for (int j=0; j< v.size(); j++)
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str[j] = (String)v.elementAt(j);
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return str;
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}
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Vector tmpVect = (Vector)arrayOfVector[len -1];
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for (int i=arrayOfVector.length-2; i>= 0; i--)
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{
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tmpVect = getCombination((Vector)arrayOfVector[i], tmpVect);
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}
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for (int i=0; i< tmpVect.size(); i++)
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{
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str[i] = (String)tmpVect.elementAt(i);
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}
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return str;
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}
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/**
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*
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* Get all combinations of values in Vectors v1 and v2
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*
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* @param v1 Vector class containing values in string format
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* viz: 0/null/DUMMY_STRING
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* @param v2 Vector class containing values in string format
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* viz: 0/null/DUMMY_STRING
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* @return vector containing combinations of above values.
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* viz: null, null
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* null, DUMMY_STRING
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* 0, null...
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*
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*/
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private Vector getCombination( Vector v1, Vector v2)
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{
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Vector store = new Vector();
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for (int i=0; i< v1.size(); i++)
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{
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String vstr1 = (String)v1.elementAt(i);
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for (int j=0; j< v2.size(); j++)
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{
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String vstr2 = (String)v2.elementAt(j);
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String newstr = vstr1 + ", " + vstr2;
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store.addElement(newstr);
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}
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}
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return store;
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}
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}
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