/*
 * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.dmdirc.config.prefs.validator;

/**
 * Validates that a number is within certain bounds.
 *
 * @author chris
 */
public class NumericalValidator implements Validator<String> {

    /** The minimum value for this number. */
    protected final int min;

    /** The maximum value for this number. */
    protected final int max;

    /**
     * Creates a new numerical validator with the specified bounds.
     *
     * @param min The minimum value for the number, or -1 for unlimited.
     * @param max The maximum value for the number, or -1 for unlimited.
     */
    public NumericalValidator(int min, int max) {
        this.min = min;
        this.max = max;
    }

    /**
     * Retrieves the maximum value that this validator will allow.
     *
     * @return This validator's maximum value
     */
    public int getMax() {
        return max == -1 ? Integer.MAX_VALUE : max;
    }

    /**
     * Retrieves the minimum value that this validator will allow.
     *
     * @return This validator's minimum value
     */
    public int getMin() {
        return min == -1 ? Integer.MIN_VALUE : min;
    }

    /** {@inheritDoc} */
    @Override
    public ValidationResponse validate(final String object) {
        int intv;

        try {
            intv = Integer.parseInt(object);
        } catch (NumberFormatException ex) {
            return new ValidationResponse("Must be a valid number");
        }

        if (intv < min && min != -1) {
            return new ValidationResponse("Must be at least " + min);
        } else if (intv > max && max != -1) {
            return new ValidationResponse("Must be at most " + max);
        } else {
            return new ValidationResponse();
        }
    }

}

@@ -1795,41 +1795,228 @@
 is.m
-in = min;%0A        this.max = max;
+ax = max == -1 ? Integer.MAX_VALUE : max;%0A        this.min = min == -1 ? Integer.MIN_VALUE : min;%0A        if (this.min %3E this.max) %7B%0A            throw new IllegalArgumentException(%22min must be less than max.%22);%0A        %7D
 %0A   
@@ -2199,40 +2199,8 @@
 turn
- max == -1 ? Integer.MAX_VALUE :
  max
@@ -2388,40 +2388,8 @@
 turn
- min == -1 ? Integer.MIN_VALUE :
  min
@@ -2727,21 +2727,8 @@
  min
- && min != -1
 ) %7B%0A
@@ -2797,16 +2797,16 @@
 + min);%0A
+
         
@@ -2830,21 +2830,8 @@
  max
- && max != -1
 ) %7B%0A

Enforce sane number validation rules.