Java Integer Mod modifyPublicPortCheckRange(String modifiedVal, int dashCnt)

Description

modify Public Port Check Range

License

Apache License

Declaration

public static boolean modifyPublicPortCheckRange(String modifiedVal, int dashCnt) 

Method Source Code

//package com.java2s;
/**/*from   www  .j av a2  s  .  c  om*/
* Copyright Microsoft Corp.
*
* Licensed 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.
*/

public class Main {
    /**
     * End point range's minimum value.
     */
    private final static int RANGE_MIN = 1;
    /**
     * End point range's maximum value.
     */
    private final static int RANGE_MAX = 65535;

    public static boolean modifyPublicPortCheckRange(String modifiedVal, int dashCnt) {

        // Check for valid range 1 to 65535
        Boolean isPortValid = true;
        try {
            /*
             * If public port contains '-'
             * then split string and
             * get two integer values out of it.
             * else directly check for value.
             */
            if (dashCnt == 1) {
                String[] range = modifiedVal.split("-");
                int rngStart = Integer.parseInt(range[0]);
                int rngEnd = Integer.parseInt(range[1]);
                if (!(rngStart >= RANGE_MIN && rngStart <= RANGE_MAX && rngEnd >= RANGE_MIN
                        && rngEnd <= RANGE_MAX)) {
                    isPortValid = false;
                }
            } else {
                int port = Integer.parseInt(modifiedVal);
                if (!(port >= RANGE_MIN && port <= RANGE_MAX)) {
                    isPortValid = false;
                }
            }
        } catch (NumberFormatException e) {
            isPortValid = false;
        }
        return isPortValid;
    }
}

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