/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.util.intset;
import java.util.Iterator;
import java.util.TreeSet;
/**
*/
public class SemiSparseMutableIntSetFactory implements MutableIntSetFactory<SemiSparseMutableIntSet> {
/**
* @param set
* @throws IllegalArgumentException if set is null
*/
@Override
public SemiSparseMutableIntSet make(int[] set) {
if (set == null) {
throw new IllegalArgumentException("set is null");
}
if (set.length == 0) {
return make();
} else {
// XXX not very efficient.
TreeSet<Integer> T = new TreeSet<Integer>();
for (int i = 0; i < set.length; i++) {
T.add(Integer.valueOf(set[i]));
}
SemiSparseMutableIntSet result = new SemiSparseMutableIntSet();
for (Iterator<Integer> it = T.iterator(); it.hasNext();) {
Integer I = it.next();
result.add(I.intValue());
}
return result;
}
}
/**
* @param string
*/
@Override
public SemiSparseMutableIntSet parse(String string) throws NumberFormatException {
int[] data = SparseIntSet.parseIntArray(string);
SemiSparseMutableIntSet result = new SemiSparseMutableIntSet();
for (int i = 0; i < data.length; i++)
result.add(data[i]);
return result;
}
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#make(com.ibm.wala.util.intset.IntSet)
*/
@Override
public SemiSparseMutableIntSet makeCopy(IntSet x) {
SemiSparseMutableIntSet y = new SemiSparseMutableIntSet();
y.copySet(x);
return y;
}
/*
* @see com.ibm.wala.util.intset.MutableIntSetFactory#make()
*/
@Override
public SemiSparseMutableIntSet make() {
return new SemiSparseMutableIntSet();
}
}