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JimmyHoweJimmyHowe
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Merge branch 'develop'
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18 files changed

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-223
lines changed

‎.idea/artifacts/Support_jar.xml‎

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‎src/META-INF/MANIFEST.MF‎

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Manifest-Version: 1.0
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Implementation-Title: jimmyhowe.support
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Implementation-Version: Build 1 Beta
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Specification-Vendor: JimmyHowe.com 2016
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Name: jimmyhowe/support/
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Specification-Title: JimmyHowe.com Java Support Package
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Specification-Version: 1.0b
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Implementation-Vendor: JimmyHowe.com
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‎src/com/jimmyhowe/support/ConsoleHelper.java‎

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package com.jimmyhowe.support;
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import java.util.Scanner;
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/**
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* Created by Jimmy on 03/12/2016.
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*/
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public class ConsoleHelper
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{
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/**
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* The Scanner Object for reading input from console
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*/
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private static Scanner console = new Scanner(System.in);
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/**
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* @return Console
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*/
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public static Scanner Console()
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{
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return console;
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}
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/**
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* UTILITY: Print Header
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* <p>
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* Prints a fancy header surrounded by stars
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*
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* @param headerText
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*/
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public static void printHeader(String headerText)
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{
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String[] headerRows = { "", "" }; // The top and bottom row of stars
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String headerChar = "*";
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String formattedText = "%s %s %s\n"; // the middle row formatted text
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int padding = 4;
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/*
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Build the top and bottom rows by adding the length of the header text to the padding,
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and on each iteration, concatenating the header row with itself, adding the header
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character
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*/
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for ( int i = 0; i < headerText.length() + padding; i++ )
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{
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headerRows[0] += headerChar;
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headerRows[1] += headerChar;
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}
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// Print out the header rows in order
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System.out.println(headerRows[0]);
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System.out.printf(formattedText, headerChar, headerText, headerChar);
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System.out.println(headerRows[1]);
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}
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/**
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* UTILITY: Print Menu Option
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* <p>
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* Prints a formatted Menu Option
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*
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* @param number
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* @param text
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*/
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public static void printMenuOption(int number, String text)
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{
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System.out.printf("\t%s\t%s\n", number, text);
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}
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/**
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* UTILITY: Print Blank Line
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* <p>
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* Prints a blank line to the console
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*/
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private static void printBlankLine()
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{
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System.out.print('\n');
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}
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/**
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* UTILITY: Show Error
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* <p>
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* Prints a formatted error to the console
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*
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* @param text
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*/
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private static void showError(String text)
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{
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String formattedErrorText = "\t!!! %s !!!\n";
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printBlankLine();
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System.out.printf(formattedErrorText, text);
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printBlankLine();
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System.out.print("\tPress ENTER to return!");
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console.nextLine();
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printBlankLine();
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}
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/**
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* UTILITY: Ask Yes/No
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* <p>
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* Print a yes/no message to the screen and return the response
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*
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* @param question
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* @return
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*/
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public static String askYesNo(String question)
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{
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String formattedText = "\n\t%s (y/n): ";
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System.out.printf(formattedText, question);
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return console.nextLine();
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}
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/**
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* UTILITY: Ask For
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* <p>
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* Print a message to the screen using the passed context string
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* and return a string reply
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*
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* @param context
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* @return
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*/
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public static String askFor(String context)
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{
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String formattedText = "\n\tPlease enter your %s: ";
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System.out.printf(formattedText, context);
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return console.nextLine();
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}
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/**
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* UTILITY: Is Yes
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* <p>
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* This will take a string, and check if it matches y, yes, or true
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* and if it does it will return true and if not return false.
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*
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* @param answer
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* @return
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*/
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public static boolean isYes(String answer)
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{
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String[] possibleYesAnswers = { "y", "yes", "true" };
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for ( String possibleYesAnswer : possibleYesAnswers )
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{
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if ( answer.toLowerCase().equals(possibleYesAnswer) )
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{
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return true;
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}
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}
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return false;
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}
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/**
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* Say Goodbye
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* <p>
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* Exits the Program
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*/
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private static void sayGoodbye()
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{
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printBlankLine();
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printHeader("Bye Bye");
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System.exit(0);
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}
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}

‎src/com/jimmyhowe/support/Main.java‎

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‎src/com/jimmyhowe/support/Str.java‎

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package com.jimmyhowe.support;
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import java.util.List;
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import java.util.StringJoiner;
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/**
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* String Utility Helper
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*/
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public class Str
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{
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/**
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* Converts CamelCase to Camel Case
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*
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* @param camelCase
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*/
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public static String CamelCaseToWords(String camelCase)
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{
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String result = "";
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for ( int i = 0; i < camelCase.length(); i++ )
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{
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Character ch = camelCase.charAt(i);
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if ( Character.isUpperCase(ch) )
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result += " " + ch;
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else
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result += ch;
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}
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return result.trim();
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}
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/**
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* Converts CamelCase to camel case
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*
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* @param camelCase
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*/
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public static String CamelCaseToLowerCaseWords(String camelCase)
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{
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String result = "";
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for ( int i = 0; i < camelCase.length(); i++ )
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{
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Character ch = camelCase.charAt(i);
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if ( Character.isUpperCase(ch) )
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result += " " + Character.toLowerCase(ch);
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else
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result += ch;
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}
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return result.trim();
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}
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/**
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* Converts CamelCase to snake_case
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*
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* @param camelCase
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*/
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public static String CamelCaseToSnakeCase(String camelCase)
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{
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return Str.CamelCaseToLowerCaseWords(camelCase).replace(' ', '_');
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}
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/**
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* Convert String Array to CSV Format
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*/
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public static String toCsv(List<String> list)
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{
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return listSeparator(list, ", ");
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}
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public static String toSpaceSeparated(List<String> list)
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{
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return listSeparator(list, " ");
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}
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/**
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* Convert String Array to CSV Format
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*/
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private static String listSeparator(List<String> data, String separator)
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{
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StringJoiner stringJoiner = new StringJoiner(separator);
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data.forEach(stringJoiner::add);
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return stringJoiner.toString();
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}
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/**
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* @param delimiter Delimiter
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* @param string String
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*
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* @return Array of Strings
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*/
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public static String[] explode(String delimiter, String string)
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{
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String[] split = string.split(delimiter);
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return (split.length > 0) ? split : new String[]{ string };
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}
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/**
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* @param strings Array of Strings
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*
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* @return Imploded Array
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*/
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public static String implode(String[] strings)
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{
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return implode(" ", strings);
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}
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/**
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* @param delimiter Delimiter
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* @param strings Array of Strings
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*
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* @return Imploded Array
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*/
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public static String implode(String delimiter, String[] strings)
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{
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StringBuilder builder = new StringBuilder();
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for ( int i = 0; i < strings.length; i++ )
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{
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builder.append(strings[i]);
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if ( i != strings.length - 1 )
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{
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builder.append(delimiter);
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}
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}
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return builder.toString();
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}
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/**
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* @param delimiter Delimiter
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* @param strings Array of Strings
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*
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* @return Imploded Array
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*/
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public static String implode(String delimiter, List<String> strings)
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{
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StringBuilder builder = new StringBuilder();
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for ( int i = 0; i < strings.size(); i++ )
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{
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builder.append(strings.get(i));
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if ( i != strings.size() - 1 )
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{
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builder.append(delimiter);
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}
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}
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return builder.toString();
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}
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}

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