From e9b897bdeb76d89f26aa022f49ece843b03f2a86 Mon Sep 17 00:00:00 2001 From: Hardik Pawar <97388607+Hardvan@users.noreply.github.com> Date: Mon, 14 Oct 2024 13:14:58 +0530 Subject: [PATCH] Add `PhoneticAlphabetConverter` (#5752) --- DIRECTORY.md | 2 + .../PhoneticAlphabetConverter.java | 68 +++++++++++++++++++ .../PhoneticAlphabetConverterTest.java | 21 ++++++ 3 files changed, 91 insertions(+) create mode 100644 src/main/java/com/thealgorithms/conversions/PhoneticAlphabetConverter.java create mode 100644 src/test/java/com/thealgorithms/conversions/PhoneticAlphabetConverterTest.java diff --git a/DIRECTORY.md b/DIRECTORY.md index eeb50764b..80e61f587 100644 --- a/DIRECTORY.md +++ b/DIRECTORY.md @@ -100,6 +100,7 @@ * [OctalToBinary](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/OctalToBinary.java) * [OctalToDecimal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/OctalToDecimal.java) * [OctalToHexadecimal](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/OctalToHexadecimal.java) + * [PhoneticAlphabetConverter](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/PhoneticAlphabetConverter.java) * [RgbHsvConversion](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/RgbHsvConversion.java) * [RomanToInteger](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/RomanToInteger.java) * [TurkishToLatinConversion](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/conversions/TurkishToLatinConversion.java) @@ -740,6 +741,7 @@ * [OctalToBinaryTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/OctalToBinaryTest.java) * [OctalToDecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/OctalToDecimalTest.java) * [OctalToHexadecimalTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/OctalToHexadecimalTest.java) + * [PhoneticAlphabetConverterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/PhoneticAlphabetConverterTest.java) * [RomanToIntegerTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/RomanToIntegerTest.java) * [UnitConversionsTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/UnitConversionsTest.java) * [UnitsConverterTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/conversions/UnitsConverterTest.java) diff --git a/src/main/java/com/thealgorithms/conversions/PhoneticAlphabetConverter.java b/src/main/java/com/thealgorithms/conversions/PhoneticAlphabetConverter.java new file mode 100644 index 000000000..bcea1862e --- /dev/null +++ b/src/main/java/com/thealgorithms/conversions/PhoneticAlphabetConverter.java @@ -0,0 +1,68 @@ +package com.thealgorithms.conversions; + +import java.util.HashMap; +import java.util.Map; + +/** + * Converts text to the NATO phonetic alphabet. + * Examples: + * "ABC" -> "Alpha Bravo Charlie" + * "Hello" -> "Hotel Echo Lima Lima Oscar" + * "123" -> "One Two Three" + * "A1B2C3" -> "Alpha One Bravo Two Charlie Three" + * + * @author Hardvan + */ +public final class PhoneticAlphabetConverter { + private PhoneticAlphabetConverter() { + } + + private static final Map PHONETIC_MAP = new HashMap<>(); + + static { + PHONETIC_MAP.put('A', "Alpha"); + PHONETIC_MAP.put('B', "Bravo"); + PHONETIC_MAP.put('C', "Charlie"); + PHONETIC_MAP.put('D', "Delta"); + PHONETIC_MAP.put('E', "Echo"); + PHONETIC_MAP.put('F', "Foxtrot"); + PHONETIC_MAP.put('G', "Golf"); + PHONETIC_MAP.put('H', "Hotel"); + PHONETIC_MAP.put('I', "India"); + PHONETIC_MAP.put('J', "Juliett"); + PHONETIC_MAP.put('K', "Kilo"); + PHONETIC_MAP.put('L', "Lima"); + PHONETIC_MAP.put('M', "Mike"); + PHONETIC_MAP.put('N', "November"); + PHONETIC_MAP.put('O', "Oscar"); + PHONETIC_MAP.put('P', "Papa"); + PHONETIC_MAP.put('Q', "Quebec"); + PHONETIC_MAP.put('R', "Romeo"); + PHONETIC_MAP.put('S', "Sierra"); + PHONETIC_MAP.put('T', "Tango"); + PHONETIC_MAP.put('U', "Uniform"); + PHONETIC_MAP.put('V', "Victor"); + PHONETIC_MAP.put('W', "Whiskey"); + PHONETIC_MAP.put('X', "X-ray"); + PHONETIC_MAP.put('Y', "Yankee"); + PHONETIC_MAP.put('Z', "Zulu"); + PHONETIC_MAP.put('0', "Zero"); + PHONETIC_MAP.put('1', "One"); + PHONETIC_MAP.put('2', "Two"); + PHONETIC_MAP.put('3', "Three"); + PHONETIC_MAP.put('4', "Four"); + PHONETIC_MAP.put('5', "Five"); + PHONETIC_MAP.put('6', "Six"); + PHONETIC_MAP.put('7', "Seven"); + PHONETIC_MAP.put('8', "Eight"); + PHONETIC_MAP.put('9', "Nine"); + } + + public static String textToPhonetic(String text) { + StringBuilder phonetic = new StringBuilder(); + for (char c : text.toUpperCase().toCharArray()) { + phonetic.append(PHONETIC_MAP.getOrDefault(c, String.valueOf(c))).append(" "); + } + return phonetic.toString().trim(); + } +} diff --git a/src/test/java/com/thealgorithms/conversions/PhoneticAlphabetConverterTest.java b/src/test/java/com/thealgorithms/conversions/PhoneticAlphabetConverterTest.java new file mode 100644 index 000000000..07847302c --- /dev/null +++ b/src/test/java/com/thealgorithms/conversions/PhoneticAlphabetConverterTest.java @@ -0,0 +1,21 @@ +package com.thealgorithms.conversions; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +public class PhoneticAlphabetConverterTest { + + @Test + public void testTextToPhonetic() { + assertEquals("Alpha Bravo", PhoneticAlphabetConverter.textToPhonetic("AB")); + assertEquals("Alpha Bravo Charlie", PhoneticAlphabetConverter.textToPhonetic("ABC")); + assertEquals("Alpha One Bravo Two Charlie Three", PhoneticAlphabetConverter.textToPhonetic("A1B2C3")); + assertEquals("Hotel Echo Lima Lima Oscar", PhoneticAlphabetConverter.textToPhonetic("Hello")); + assertEquals("One Two Three", PhoneticAlphabetConverter.textToPhonetic("123")); + assertEquals("Alpha Bravo Charlie Delta Echo Foxtrot Golf Hotel India Juliett Kilo Lima Mike November Oscar Papa Quebec Romeo Sierra Tango Uniform Victor Whiskey X-ray Yankee Zulu Zero One Two Three Four Five Six Seven Eight Nine", + PhoneticAlphabetConverter.textToPhonetic("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")); + assertEquals("Alpha Bravo Charlie Delta Echo Foxtrot Golf Hotel India Juliett Kilo Lima Mike November Oscar Papa Quebec Romeo Sierra Tango Uniform Victor Whiskey X-ray Yankee Zulu Zero One Two Three Four Five Six Seven Eight Nine", + PhoneticAlphabetConverter.textToPhonetic("abcdefghijklmnopqrstuvwxyz0123456789")); + } +}