Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * 
 * BarcodeOverIP (Android < v4.0.3) Version 1.1.0
 * Copyright (C) 2013, Tyler H. Jones (me@tylerjones.me)
 * http://boip.tylerjones.me/
 * 
 * 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.
 * 
 * Filename: Common.java
 * Package Name: com.tylerhjones.boip.client
 * Created By: Tyler H. Jones on Feb 1, 2012 at 2:28:24 PM
 * 
 * Description: Common functions and variable declarations (constants)
 */

public class Main {
    public static boolean isValidPort(String port) {
        // If the port is left blank/empty we assume the default value was intended
        if (port.equals(null) || port.trim().equals("")) {
            return true;
        }
        try {
            int p = Integer.parseInt(port);
            if (p < 1 || p > 65535) {
                throw new NumberFormatException();
            }
        } catch (NumberFormatException e) {
            return false;
        }
        return true;
    }
}