/*
Licensed?to?the?Apache?Software?Foundation?（ASF）?under?one
or?more?contributor?license?agreements.??See?the?NOTICE?file
distributed?with?this?work?for?additional?information
regarding?copyright?ownership.??The?ASF?licenses?this?file
to?you?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.io.File;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.net.URL;
import?java.nio.channels.Channels;
import?java.nio.channels.ReadableByteChannel;
import?java.util.Properties;

public?class?MavenWrapperDownloader?{

????/**
?????*?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/0.4.2/maven-wrapper-0.4.2.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）?{
????????????????Syste

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1226??2019-03-26?13:21??wfw-user\.classpath

?????文件????????303??2019-03-26?05:21??wfw-user\.gitignore

?????文件??????48337??2019-03-26?05:21??wfw-user\.mvn\wrapper\maven-wrapper.jar

?????文件????????116??2019-03-26?05:21??wfw-user\.mvn\wrapper\maven-wrapper.properties

?????文件???????4625??2019-03-26?05:21??wfw-user\.mvn\wrapper\MavenWrapperDownloader.java

?????文件????????560??2019-03-26?13:21??wfw-user\.project

?????文件????????214??2019-04-23?16:54??wfw-user\.settings\org.eclipse.core.resources.prefs

?????文件????????243??2019-03-26?13:21??wfw-user\.settings\org.eclipse.jdt.core.prefs

?????文件?????????90??2019-03-26?13:21??wfw-user\.settings\org.eclipse.m2e.core.prefs

?????文件????????355??2019-03-26?05:21??wfw-user\HELP.md

?????文件???????9114??2019-03-26?05:21??wfw-user\mvnw

?????文件???????5811??2019-03-26?05:21??wfw-user\mvnw.cmd

?????文件???????3456??2019-04-23?18:36??wfw-user\pom.xml

?????文件???????2079??2019-04-23?18:40??wfw-user\src\main\java\com\wfwuser\config\DataConfig1.java

?????文件???????2054??2019-04-23?18:48??wfw-user\src\main\java\com\wfwuser\config\DataConfig2.java

?????文件???????3095??2019-04-23?19:11??wfw-user\src\main\java\com\wfwuser\Main.java

?????文件????????437??2019-04-24?12:07??wfw-user\src\main\java\com\wfwuser\mapper\test1\UserMapper.java

?????文件????????433??2019-04-24?12:09??wfw-user\src\main\java\com\wfwuser\mapper\test2\TestMapper.java

?????文件???????1256??2019-04-24?12:15??wfw-user\src\main\java\com\wfwuser\service\TestService.java

?????文件????????306??2019-03-26?05:21??wfw-user\src\main\java\com\wfwuser\WfwUserApplication.java

?????文件???????1321??2019-04-23?20:33??wfw-user\src\main\resources\application.properties

?????文件???????1679??2019-04-23?20:34??wfw-user\src\main\resources\logback-spring.xml

?????文件????????954??2019-04-23?20:25??wfw-user\src\main\resources\mapper\test1\UserMapper.xml

?????文件????????954??2019-04-23?20:26??wfw-user\src\main\resources\mapper\test2\TestMapper.xml

?????文件????????486??2019-04-24?11:22??wfw-user\src\test\java\com\wfwuser\WfwUserApplicationTests.java

?????文件???????1321??2019-04-24?12:15??wfw-user\target\classes\application.properties

?????文件???????2817??2019-04-23?18:42??wfw-user\target\classes\com\wfwuser\config\DataConfig1.class

?????文件???????2752??2019-04-23?18:48??wfw-user\target\classes\com\wfwuser\config\DataConfig2.class

?????文件???????2275??2019-04-23?19:11??wfw-user\target\classes\com\wfwuser\Main.class

?????文件????????570??2019-04-24?12:07??wfw-user\target\classes\com\wfwuser\mapper\test1\UserMapper.class

............此處省略56個文件信息