/*
?*?Copyright?2007-present?the?original?author?or?authors.
?*
?*?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
?*
?*??????https://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.
?*/

import?java.net.*;
import?java.io.*;
import?java.nio.channels.*;
import?java.util.Properties;

public?class?MavenWrapperDownloader?{

????private?static?final?String?WRAPPER_VERSION?=?“0.5.6“;
????/**
?????*?Default?URL?to?download?the?maven-wrapper.jar?from?if?no?‘downloadUrl‘?is?provided.
?????*/
????private?static?final?String?DEFAULT_DOWNLOAD_URL?=?“https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/“
????????????+?WRAPPER_VERSION?+?“/maven-wrapper-“?+?WRAPPER_VERSION?+?“.jar“;

????/**
?????*?Path?to?the?maven-wrapper.properties?file?which?might?contain?a?downloadUrl?property?to
?????*?use?instead?of?the?default?one.
?????*/
????private?static?final?String?MAVEN_WRAPPER_PROPERTIES_PATH?=
????????????“.mvn/wrapper/maven-wrapper.properties“;

????/**
?????*?Path?where?the?maven-wrapper.jar?will?be?saved?to.
?????*/
????private?static?final?String?MAVEN_WRAPPER_JAR_PATH?=
????????????“.mvn/wrapper/maven-wrapper.jar“;

????/**
?????*?Name?of?the?property?which?should?be?used?to?override?the?default?download?url?for?the?wrapper.
?????*/
????private?static?final?String?PROPERTY_NAME_WRAPPER_URL?=?“wrapperUrl“;

????public?static?void?main（String?args[]）?{
????????System.out.println（“-?Downloader?started“）;
????????File?baseDirectory?=?new?File（args[0]）;
????????System.out.println（“-?Using?base?directory:?“?+?baseDirectory.getAbsolutePath（））;

????????//?If?the?maven-wrapper.properties?exists?read?it?and?check?if?it?contains?a?custom
????????//?wrapperUrl?parameter.
????????File?mavenWrapperPropertyFile?=?new?File（baseDirectory?MAVEN_WRAPPER_PROPERTIES_PATH）;
????????String?url?=?DEFAULT_DOWNLOAD_URL;
????????if?（mavenWrapperPropertyFile.exists（））?{
????????????FileInputStream?mavenWrapperPropertyFileInputStream?=?null;
????????????try?{
????????????????mavenWrapperPropertyFileInputStream?=?new?FileInputStream（mavenWrapperPropertyFile）;
????????????????Properties?mavenWrapperProperties?=?new?Properties（）;
????????????????mavenWrapperProperties.load（mavenWrapperPropertyFileInputStream）;
????????????????url?=?mavenWrapperProperties.getProperty（PROPERTY_NAME_WRAPPER_URL?url）;
????????????}?catch?（IOException?e）?{
????????????????System.out.println（“-?ERROR?loading?‘“?+?MAVEN_WRAPPER_PROPERTIES_PATH?+?“‘“）;
????????????}?finally?{
????????????????try?{
????????????????????if?（mavenWrapperPropertyFileInputStream?!=?null）?{
?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-02-17?08:03??CharacterRecognition\
?????文件????????6148??2020-02-26?03:43??CharacterRecognition\.DS_Store
?????文件?????????120??2020-02-26?03:43??__MACOSX\CharacterRecognition\._.DS_Store
?????目錄???????????0??2020-02-25?08:57??CharacterRecognition\CharacterRecognitionJava\
?????目錄???????????0??2020-02-23?09:58??CharacterRecognition\CharacterRecognitionWEI\
?????文件????????6608??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\mvnw.cmd
?????目錄???????????0??2020-02-25?08:57??CharacterRecognition\CharacterRecognitionJava\target\
?????文件????????8282??2020-02-25?08:31??CharacterRecognition\CharacterRecognitionJava\CharacterRecognitionJava.iml
?????文件????????2422??2020-02-25?08:31??CharacterRecognition\CharacterRecognitionJava\pom.xml
?????文件????????1059??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\HELP.md
?????文件?????????333??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\.gitignore
?????目錄???????????0??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\.mvn\
?????文件???????10070??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\mvnw
?????目錄???????????0??2020-02-26?03:37??CharacterRecognition\CharacterRecognitionJava\.idea\
?????目錄???????????0??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\src\
?????文件?????????264??2020-02-23?10:13??CharacterRecognition\CharacterRecognitionWEI\app.json
?????文件?????????739??2020-02-25?08:59??CharacterRecognition\CharacterRecognitionWEI\project.config.json
?????目錄???????????0??2020-02-23?09:58??CharacterRecognition\CharacterRecognitionWEI\utils\
?????文件?????????194??2020-02-23?09:58??CharacterRecognition\CharacterRecognitionWEI\app.wxss
?????文件?????????191??2020-02-23?09:58??CharacterRecognition\CharacterRecognitionWEI\sitemap.json
?????目錄???????????0??2020-02-23?10:04??CharacterRecognition\CharacterRecognitionWEI\pages\
?????文件????????1076??2020-02-23?10:04??CharacterRecognition\CharacterRecognitionWEI\app.js
?????目錄???????????0??2020-02-25?08:57??CharacterRecognition\CharacterRecognitionJava\target\test-classes\
?????目錄???????????0??2020-02-25?08:57??CharacterRecognition\CharacterRecognitionJava\target\generated-sources\
?????目錄???????????0??2020-02-26?03:37??CharacterRecognition\CharacterRecognitionJava\target\classes\
?????目錄???????????0??2020-02-25?08:57??CharacterRecognition\CharacterRecognitionJava\target\generated-test-sources\
?????目錄???????????0??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\.mvn\wrapper\
?????文件?????????172??2020-02-23?10:05??CharacterRecognition\CharacterRecognitionJava\.idea\encodings.xml
?????目錄???????????0??2020-02-23?09:49??CharacterRecognition\CharacterRecognitionJava\.idea\inspectionProfiles\
?????目錄???????????0??2020-02-25?08:31??CharacterRecognition\CharacterRecognitionJava\.idea\libraries\
?????文件???????17267??2020-02-26?03:37??CharacterRecognition\CharacterRecognitionJava\.idea\workspace.xml
............此處省略106個文件信息