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morse-coder
提交 11c94596 authored 作者: 黄承天's avatar 黄承天
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.gitignore 0 → 100644
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
.mvn/wrapper/maven-wrapper.properties 0 → 100644
浏览文件 @ 11c94596
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.3/apache-maven-3.8.3-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
mvnw 0 → 100755
浏览文件 @ 11c94596
差异被折叠。
mvnw.cmd 0 → 100644
浏览文件 @ 11c94596
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%
pom.xml 0 → 100644
浏览文件 @ 11c94596
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>morsecoder</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>morsecoder</name>
<description>Demo project for Morse Code convert</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
src/main/java/com/example/morsecoder/MorseCoder.java 0 → 100644
浏览文件 @ 11c94596
package com.example.morsecoder;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
/**
* 摩斯码转换器
* 摩尔斯电码由三种类型的信号组成,分别为:短信号(滴)、长信号(嗒)和分隔符。三种信号通常习惯使用“.”、“-”、“/”表示。
*
*
* 标准字典
* 注意：字母都会转换为大写，0 为短信号，1 为长信号。
*
* 字符 电码
* A 01
* B 1000
* C 1010
* D 100
* E 0
* F 0010
* G 110
* H 0000
* I 00
* J 0111
* K 101
* L 0100
* M 11
* N 10
* O 111
* P 0110
* Q 1101
* R 010
* S 000
* T 1
* U 001
* V 0001
* W 011
* X 1001
* Y 1011
* Z 1100
*
* 字符 电码
* 0 11111
* 1 01111
* 2 00111
* 3 00011
* 4 00001
* 5 00000
* 6 10000
* 7 11000
* 8 11100
* 9 11110
*
* 字符 电码
* . 010101
* , 110011
* ? 001100
* ' 011110
* ! 101011
* / 10010
* ( 10110
* ) 101101
* & 01000
* : 111000
* ; 101010
* = 10001
* + 01010
* - 100001
* _ 001101
* " 010010
* $ 0001001
* @ 011010
*
* 其他 Unicode 字符
* 编码时，直接将 codePoint 转换为 2 进制字符串，然后 0 替换为短信号，1 替换为长信号。
*
* 解码时反之。
*
*/
public class MorseCoder {
private static final Map<Integer, String> alphabets = new HashMap<>(); // code point -> morse
private static final Map<String, Integer> dictionaries = new HashMap<>(); // morse -> code point
private static void registerMorse(Character abc, String dict) {
alphabets.put(Integer.valueOf(abc), dict);
dictionaries.put(dict, Integer.valueOf(abc));
}
static {
// Letters
registerMorse('A', "01");
registerMorse('B', "1000");
registerMorse('C', "1010");
registerMorse('D', "100");
registerMorse('E', "0");
registerMorse('F', "0010");
registerMorse('G', "110");
registerMorse('H', "0000");
registerMorse('I', "00");
registerMorse('J', "0111");
registerMorse('K', "101");
registerMorse('L', "0100");
registerMorse('M', "11");
registerMorse('N', "10");
registerMorse('O', "111");
registerMorse('P', "0110");
registerMorse('Q', "1101");
registerMorse('R', "010");
registerMorse('S', "000");
registerMorse('T', "1");
registerMorse('U', "001");
registerMorse('V', "0001");
registerMorse('W', "011");
registerMorse('X', "1001");
registerMorse('Y', "1011");
registerMorse('Z', "1100");
// Numbers
registerMorse('0', "11111");
registerMorse('1', "01111");
registerMorse('2', "00111");
registerMorse('3', "00011");
registerMorse('4', "00001");
registerMorse('5', "00000");
registerMorse('6', "10000");
registerMorse('7', "11000");
registerMorse('8', "11100");
registerMorse('9', "11110");
// Punctuation
registerMorse('.', "010101");
registerMorse(',', "110011");
registerMorse('?', "001100");
registerMorse('\'', "011110");
registerMorse('!', "101011");
registerMorse('/', "10010");
registerMorse('(', "10110");
registerMorse(')', "101101");
registerMorse('&', "01000");
registerMorse(':', "111000");
registerMorse(';', "101010");
registerMorse('=', "10001");
registerMorse('+', "01010");
registerMorse('-', "100001");
registerMorse('_', "001101");
registerMorse('"', "010010");
registerMorse('$', "0001001");
registerMorse('@', "011010");
}
private final char dit; // short mark or dot
private final char dah; // longer mark or dash
private final char split;
public MorseCoder() {
this('.', '-', '/');
}
public MorseCoder(char dit, char dah, char split) {
this.dit = dit;
this.dah = dah;
this.split = split;
}
public String encode(String text) {
if (text == null) {
throw new IllegalArgumentException("Text should not be null.");
}
StringBuilder morseBuilder = new StringBuilder();
text = text.toUpperCase();
for (int i = 0; i < text.codePointCount(0, text.length()); i++) {
int codePoint = text.codePointAt(text.offsetByCodePoints(0, i));
String word = alphabets.get(codePoint);
if (word == null) {
word = Integer.toBinaryString(codePoint);
}
morseBuilder.append(word.replace('0', dit).replace('1', dah)).append(split);
}
return morseBuilder.toString();
}
public String decode(String morse) {
if (morse == null) {
throw new IllegalArgumentException("Morse should not be null.");
}
StringBuilder textBuilder = new StringBuilder();
StringTokenizer tokenizer = new StringTokenizer(morse, String.valueOf(split));
while (tokenizer.hasMoreTokens()) {
String word = tokenizer.nextToken().replace(dit, '0').replace(dah, '1');
Integer codePoint = dictionaries.get(word);
if (codePoint == null) {
codePoint = Integer.valueOf(word, 2);
}
textBuilder.appendCodePoint(codePoint);
}
return textBuilder.toString();
}
//HELLO WORLD!
public static void main(String[] args) {
MorseCoder morseCoder = new MorseCoder();
String decode = morseCoder.decode("...././.-../.-../---/-...../.--/---/.-./.-../-../-.-.--/");
System.out.println(decode);
}
}
src/main/java/com/example/morsecoder/MorsecoderApplication.java 0 → 100644
浏览文件 @ 11c94596
package com.example.morsecoder;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class MorsecoderApplication {
public static void main(String[] args) {
SpringApplication.run(MorsecoderApplication.class, args);
}
}
src/test/java/com/example/morsecoder/MorsecoderApplicationTests.java 0 → 100644
浏览文件 @ 11c94596
package com.example.morsecoder;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class MorsecoderApplicationTests {
@Test
void contextLoads() {
}
}
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