| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and others. |
| * 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 org.eclipse.ptp.utils.core; |
| |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| /** |
| * Represents a range of numbers inclusive of max and min. |
| * |
| */ |
| public class Range implements Iterable<String> { |
| private Integer min; |
| private Integer max; |
| private Integer curr; |
| |
| public Range(int val) { |
| this(val, val); |
| } |
| |
| public Range(int min, int max) throws IllegalArgumentException { |
| if (min > max) { |
| throw new IllegalArgumentException(); |
| } |
| this.min = min; |
| this.max = max; |
| } |
| |
| public int getMinValue() { |
| return min; |
| } |
| |
| public int getMaxValue() { |
| return max; |
| } |
| |
| public void setMinValue(int val) { |
| min = val; |
| } |
| |
| public void setMaxValue(int val) { |
| max = val; |
| } |
| |
| public boolean inRange(int val) { |
| return val >= min && val <= max; |
| } |
| |
| public int size() { |
| return max - min + 1; |
| } |
| |
| public String toString() { |
| if (min == max) |
| return "" + min; |
| |
| return min + "-" + max; |
| } |
| |
| public Iterator<String> iterator() { |
| curr = min; |
| |
| return new Iterator<String>() { |
| public boolean hasNext() { |
| return curr <= max; |
| } |
| |
| public String next() { |
| if (hasNext()) { |
| return (curr++).toString(); |
| } else { |
| throw new NoSuchElementException(); |
| } |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| } |
| |