mavenを使用して依存関係のあるjarファイルをダウンロードする方法を紹介します。
環境
- Windows
- apache-maven-3.6.2
1. mavenプロジェクトを作成
mavenプロジェクトを作成するディレクトリへ移動します。
（ここでは「C:\Data\mvn_project」配下に作成します。）
c:>cd c:\data\mvn_project
c:\Data\mvn_project>
以下のコマンドでmavenプロジェクトを作成します。
mvn archetype:generate -DgroupId=com.sample -DartifactId=test -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
c:\Data\mvn_project>mvn archetype:generate -DgroupId=com.sample -DartifactId=test -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------< org.apache.maven:standalone-pom >-------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:3.1.2:generate (default-cli) > generate-sources @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:3.1.2:generate (default-cli) < generate-sources @ standalone-pom <<<
[INFO]
[INFO]
[INFO] --- maven-archetype-plugin:3.1.2:generate (default-cli) @ standalone-pom---
[INFO] Generating project in Batch mode
[INFO] -------------------------------------------------------------------------
---
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.0
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: basedir, Value: c:\Data\mvn_project
[INFO] Parameter: package, Value: com.sample
[INFO] Parameter: groupId, Value: com.sample
[INFO] Parameter: artifactId, Value: test
[INFO] Parameter: packageName, Value: com.sample
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] project created from Old (1.x) Archetype in dir: c:\Data\mvn_project\test
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 29.821 s
[INFO] Finished at: 2021-01-28T16:59:41+09:00
[INFO] ------------------------------------------------------------------------
c:\Data\mvn_project>
dirコマンドで「test」ディレクトリが作成されていることを確認します。
c:\Data\mvn_project>dir
ドライブ C のボリューム ラベルは Windows です
ボリューム シリアル番号は F039-627E です
c:\Data\mvn_project のディレクトリ
2021/01/28 16:59 <DIR> .
2021/01/28 16:59 <DIR> ..
2021/01/28 16:59 <DIR> test
0 個のファイル 0 バイト
3 個のディレクトリ 159,863,459,840 バイトの空き領域
c:\Data\mvn_project>cd test
c:\Data\mvn_project\test>dir
ドライブ C のボリューム ラベルは Windows です
ボリューム シリアル番号は F039-627E です
c:\Data\mvn_project\test のディレクトリ
2021/01/28 16:59 <DIR> .
2021/01/28 16:59 <DIR> ..
2021/01/28 16:59 649 pom.xml
2021/01/28 16:59 <DIR> src
1 個のファイル 649 バイト
3 個のディレクトリ 159,863,328,768 バイトの空き領域
c:\Data\mvn_project\test>
2. pom.xml に依存関係を追加
「c:\Data\mvn_project\test」配下のpom.xmlに、依存関係を追加します。
ここでは「Spring Web MVC 5.3.3」で必要なjarファイルをダウンロードします。
mavenリポジトリで依存関係を確認します。
依存関係
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.3</version>
</dependency>
「pom.xml」に上記の「依存関係」を追加します。
c:\Data\mvn_project\test\pom.xml（修正前）
<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 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sample</groupId>
<artifactId>test</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>test</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
c:\Data\mvn_project\test\pom.xml（修正後）
<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 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sample</groupId>
<artifactId>test</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>test</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency> <!-- 追加 -->
<groupId>org.springframework</groupId> <!-- 追加 -->
<artifactId>spring-webmvc</artifactId> <!-- 追加 -->
<version>5.3.3</version> <!-- 追加 -->
</dependency> <!-- 追加 -->
</dependencies>
</project>
3. jarファイル一括ダウンロード
以下のコマンドで「Spring Web MVC 5.3.3」で必要なjarファイルを一括ダウンロードします。
mvn dependency:copy-dependencies -DoutputDirectory=lib
（-DoutputDirectoryでダウンロード先に「lib」ディレクトリを指定）
c:\Data\mvn_project\test>mvn dependency:copy-dependencies -DoutputDirectory=lib
[INFO] Scanning for projects...
[INFO]
[INFO] --------------------------< com.sample:test >---------------------------
[INFO] Building test 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-webmvc/5.3.3/spring-webmvc-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-webmvc/5.3.3/spring-webmvc-5.3.3.pom (2.9 kB at 2.3 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-aop/5.3.3/spring-aop-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-aop/5.3.3/spring-aop-5.3.3.pom (2.2 kB at 6.0 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-beans/5.3.3/spring-beans-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-beans/5.3.3/spring-beans-5.3.3.pom (2.0 kB at 5.6 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-core/5.3.3/spring-core-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-core/5.3.3/spring-core-5.3.3.pom (2.0 kB at 5.6 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-jcl/5.3.3/spring-jcl-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-jcl/5.3.3/spring-jcl-5.3.3.pom (1.8 kB at 5.0 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-context/5.3.3/spring-context-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-context/5.3.3/spring-context-5.3.3.pom (2.6 kB at 7.5 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-expression/5.3.3/spring-expression-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-expression/5.3.3/spring-expression-5.3.3.pom (2.1 kB at 5.6 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-web/5.3.3/spring-web-5.3.3.pom
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-web/5.3.3/spring-web-5.3.3.pom (2.2 kB at 5.9 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-webmvc/5.3.3/spring-webmvc-5.3.3.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-core/5.3.3/spring-core-5.3.3.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-context/5.3.3/spring-context-5.3.3.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-beans/5.3.3/spring-beans-5.3.3.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-aop/5.3.3/spring-aop-5.3.3.jar
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-aop/5.3.3/spring-aop-5.3.3.jar (374 kB at 148 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-jcl/5.3.3/spring-jcl-5.3.3.jar
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-jcl/5.3.3/spring-jcl-5.3.3.jar (24 kB at 8.1 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-expression/5.3.3/spring-expression-5.3.3.jar
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-webmvc/5.3.3/spring-webmvc-5.3.3.jar (996 kB at 272 kB/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/spring-web/5.3.3/spring-web-5.3.3.jar
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-beans/5.3.3/spring-beans-5.3.3.jar (696 kB at 182 kB/s)
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-expression/5.3.3/spring-expression-5.3.3.jar (283 kB at 59 kB/s)
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-context/5.3.3/spring-context-5.3.3.jar (1.2 MB at 240 kB/s)
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-web/5.3.3/spring-web-5.3.3.jar (1.6 MB at 179 kB/s)
Downloaded from central: https://repo.maven.apache.org/maven2/org/springframework/spring-core/5.3.3/spring-core-5.3.3.jar (1.5 MB at 154 kB/s)
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ test --
-
[INFO] Copying spring-webmvc-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-webmvc-5.3.3.jar
[INFO] Copying junit-3.8.1.jar to c:\Data\mvn_project\test\lib\junit-3.8.1.jar
[INFO] Copying spring-jcl-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-jcl-5.3.3.jar
[INFO] Copying spring-beans-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-beans-5.3.3.jar
[INFO] Copying spring-context-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-context-5.3.3.jar
[INFO] Copying spring-core-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-core-5.3.3.jar
[INFO] Copying spring-aop-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-aop-5.3.3.jar
[INFO] Copying spring-expression-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-expression-5.3.3.jar
[INFO] Copying spring-web-5.3.3.jar to c:\Data\mvn_project\test\lib\spring-web-5.3.3.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 31.649 s
[INFO] Finished at: 2021-01-28T17:22:24+09:00
[INFO] ------------------------------------------------------------------------
c:\Data\mvn_project\test>
「lib」ディレクトリ配下を確認します。
c:\Data\mvn_project\test>cd lib
c:\Data\mvn_project\test\lib>dir
ドライブ C のボリューム ラベルは Windows です
ボリューム シリアル番号は F039-627E です
c:\Data\mvn_project\test\lib のディレクトリ
2021/01/28 17:22 <DIR> .
2021/01/28 17:22 <DIR> ..
2021/01/28 17:22 121,070 junit-3.8.1.jar
2021/01/28 17:22 374,340 spring-aop-5.3.3.jar
2021/01/28 17:22 695,878 spring-beans-5.3.3.jar
2021/01/28 17:22 1,243,858 spring-context-5.3.3.jar
2021/01/28 17:22 1,467,336 spring-core-5.3.3.jar
2021/01/28 17:22 282,517 spring-expression-5.3.3.jar
2021/01/28 17:22 23,943 spring-jcl-5.3.3.jar
2021/01/28 17:22 1,565,794 spring-web-5.3.3.jar
2021/01/28 17:22 996,262 spring-webmvc-5.3.3.jar
9 個のファイル 6,770,998 バイト
2 個のディレクトリ 159,838,789,632 バイトの空き領域
c:\Data\mvn_project\test\lib>
「spring-webmvc-5.3.3.jar」とそれに必要なjarファイルがダウンロードされていることが確認できます。
以上