pom-cli

pom-cli 🪄

pom-cli lets you quickly create a pom.xml file as well as update it without manually editing the file. It’s written in Java and compiled to native code with the help of graalvm.

Example flow:

# Change to the project directory
cd my_app
# Create folders
mkdir -p src/main/java/unnamed/my_app
# Creat a pom.xml with groupdId `unnamed`, artifactID `my_app` (the same as the folder name) and version `0.0.1-SNAPSHOT`.
# The pom.xml will have the `maven.compiler.source` and `maven.compiler.target` or `maven.compiler.release` set to the `java` version available in `$PATH`
# The `project.build.sourceEncoding` will also be set to UTF-8.
pom id .
# Add latest log4j-api as compile dependency
pom add org.apache.logging.log4j:log4j-api
# Create a simple java and run
mvn package

Usage

Setting project ID

$ pom id com.example:my-app
jar com.example:my-app:0.0.1-SNAPSHOT
$ pom id com.example:my-app:1.0.0
jar com.example:my-app:1.0.0
$ pom id com.example:my-webapp --as=war
war com.example:my-webapp:0.0.1-SNAPSHOT

Set artifact ID to current directory name

$ cd my-app
$ pom id .
jar unnamed:my-app:0.0.1-SNAPSHOT
$ pom id com.example:.
jar com.example:my-app:0.0.1-SNAPSHOT
$ pom id com.example:.:1.0.0
jar com.example:my-app:1.0.0

By default, if the groupd_id is not specified, unnamed will be used. To set a different default group_id you can set the POM_CLI_DEFAULT_GROUP_ID environment variable.

$ export POM_CLI_DEFAULT_GROUP_ID=com.example
$ cd my-app
$ pom id .
jar com.example:my-app:0.0.1-SNAPSHOT

If the current folder belongs to a multi-module maven project, the <parent> element will be added to the pom. For example:

$ cd hello
$ pom id --as=pom com.example:.
pom com.example:hello:0.0.1-SNAPSHOT
$ mkdir api
$ cd $_
$ pom id hello-api
jar com.example:hello-api:0.0.1-SNAPSHOT

If the project is meant to be standalone, then you can use the --standalone flag

$ mkdir hello/sample
$ cd $_
$ pom id --standalone .
jar unnamed:sample:0.0.1-SNAPSHOT

The resulting pom.xml will not have the <parent> element.

Adding dependencies

# Add compile dependency
pom add info.picocli:picocli

# Add scoped dependency
pom add --test org.junit.jupiter:junit-jupiter
pom add --provided org.junit.jupiter:junit-jupiter
pom add --runtime org.junit.jupiter:junit-jupiter

# Add from maven metadata in a jar file
pom add /path/to/file.jar

# Add by path to maven module
pom add /path/to/module
pom add /path/to/module/pom.xml

For projects that are packaged as “pom”, the dependencies will be added to the dependencyManagement section.

If version is not specified, the latest version of the artifact will be used. If there is a parent pom, and it already included the dependency version, no version will be added.

If the pom.xml is a child pom, dependency can be added by just specifying the artifact ID. For example, if the parent pom contains the following declaration:

  <dependencyManagement>
    <dependencies>
      ...
      <dependency>
        <groupId>com.example</groupId>
        <artifactId>some-api</artifactId>
        <version>1.0.0</version>
      </dependency>
      ...
    </dependencies>
  </dependencyManagement>

Running the following:

pom add some-api

would results in the target pom.xml to contain the following:

  <dependencies>
    ...
    <dependency>
      <groupId>com.example</groupId>
      <artifactId>some-api</artifactId>
    </dependency>
    ...
  </dependencies>

You can also add by just specifying the artifact ID if the artifact is managed by either in the dependencyManagement, dependency with import scope, or managed by the parent.

Removing dependencies

Dependencies can be removed from the pom.xml using the remove command.

# Remove by spefifying the groupId and artifactId
pom remove groupId:artifactId

# Remove by specifying the artifactId
pom remove artifactId

# Use the shorter alias, rm
pom rm artifactId

Setting properties

# Set single property
pom set maven.compiler.source=17

# Set multiple properties
pom set maven.compiler.source=17 maven.compiler.source=17

# Set multiple properties leveraging shell expansion
pom set maven.compiler.{source,target}=17

Reading properties

# Get property from default profile
pom get maven.compiler.source

# Set property from specific profile
pom -P test get maven.compiler.source

Search

# Search by artifact ID
pom search log4j-api

# Search artifacts by class name
pom search --class Logger
pom search -c Logger

# Search artifacts by fully qualified class name
pom search --full-class org.apache.logging.log4j.Logger
pom search -fc org.apache.logging.log4j.Logger

Add plugin

$ # Add using full coordinate
$ pom plug com.example:hello-maven-plugin:1.0.0
🔌 com.example:hello-maven-plugin:1.0.0 plugged
$ # Auto resolve latest version
$ pom plug org.graalvm.buildtools:native-maven-plugin
🔌 org.graalvm.buildtools:native-maven-plugin:1.0.0 plugged
$ # Plug to profile
$ pom -Pnative plug org.graalvm.buildtools:native-maven-plugin
🔌 org.graalvm.buildtools:native-maven-plugin:1.0.0 plugged
$ # Add built-in plugin and auto resolve the latest version
$ pom plug maven-resources-plugin
🔌 org.apache.maven.plugins:maven-resources-plugin:1.0.0 plugged

If the current POM is a child of another POM, you can add a plugin by simply stating the plugin’s artifact ID.

$ # Add plugin managed by parent
$ pom plug spring-boot-maven-plugin
🔌 org.springframework.boot:spring-boot-maven-plugin:1.0.0 plugged

or, if you’re starting with an empty project, you can run

pom parent parent.group:parent.artifactId:1.0.0 plug example-maven-plugin

e.g.:

pom parent org.springframework.boot:spring-boot-starter-parent plug spring-boot-maven-plugin

Building

This project requires Java 21 , GraalVM CE and Maven 3.8.4 . You can use sdkman to download them.

To build, run

mvn -Pnative

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