| /* $Id$ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.etch.util.cmd; |
| |
| /** |
| * Description of IntRangeConstraint |
| */ |
| public class IntRangeConstraint implements Constraint |
| { |
| /** |
| * Constructs the IntRangeConstraint. |
| * |
| * @param min the minimum value allowed. |
| * |
| * @param max the maximum value allowed. |
| */ |
| public IntRangeConstraint( int min, int max ) |
| { |
| if (min > max) |
| throw new IllegalArgumentException( "min > max" ); |
| this.min = min; |
| this.max = max; |
| } |
| |
| private final int min; |
| |
| private final int max; |
| |
| public void checkValue( Object value ) throws Exception |
| { |
| int v = ((Integer) value).intValue(); |
| if (v < min || v > max) |
| throw new Exception( "value not in range "+min+" to "+max ); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "value must be in range "+min+" to "+max; |
| } |
| } |