Java tutorial
package com.comcast.oscar.cli.commands; import java.io.File; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import com.comcast.oscar.utilities.HexString; /** * * @author Allen Flickinger (allen.flickinger@gmail.com) * * @bannerLicense Copyright 2015 Comcast Cable Communications Management, LLC<br> ___________________________________________________________________<br> Licensed under the Apache License, Version 2.0 (the "License")<br> you may not use this file except in compliance with the License.<br> You may obtain a copy of the License at<br> http://www.apache.org/licenses/LICENSE-2.0<br> Unless required by applicable law or agreed to in writing, software<br> distributed under the License is distributed on an "AS IS" BASIS,<br> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<br> See the License for the specific language governing permissions and<br> limitations under the License.<br> */ public class Key { private String sKey = " "; /** * Set option parameters for command Key * @return Option */ public static Option OptionParameters() { OptionBuilder.withArgName("key filename"); OptionBuilder.hasArgs(1); OptionBuilder.hasOptionalArgs(); OptionBuilder.withValueSeparator(' '); OptionBuilder.withLongOpt("key"); OptionBuilder.withDescription("Use this sharedsecret to compile the file - DOCSIS ONLY."); return OptionBuilder.create("k"); } /** * Set Key string from file * @param args */ public void setKey(String[] args) { if (new File(args[0]).exists()) { this.sKey = new HexString(HexString.fileToByteArray(new File(args[0]))).toASCII(); } } /** * Return Key * @return String */ public String getKey() { return this.sKey; } }