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https://github.com/iluwatar/uml-reverse-mapper

Automatically generate class diagram from code. Supports Graphviz, PlantUML and Mermaid output formats.
https://github.com/iluwatar/uml-reverse-mapper

class-diagram graphviz hacktoberfest maven-plugin mermaid plantuml uml uml-diagram uml-diagrams

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Automatically generate class diagram from code. Supports Graphviz, PlantUML and Mermaid output formats.

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# UML Reverse Mapper

Automatically generate class diagram from your code.

Using reflection, UML Reverse Mapper scans your packages that contain your code. It builds the class relations and can output as a [Graphviz](https://www.graphviz.org/) .dot file, a [PlantUML](http://www.plantuml.com/) .puml file or a [Mermaid](https://mermaid-js.github.io/mermaid/#/) .mmd file.

The tool is available in command line version (urm-core) and Maven plugin (urm-maven-plugin).

### Using from the command-line

Build the `urm-core` project with `./mvnw clean package` and grab the generated artifact `urm-core.jar`. Then you need the archive that will be analyzed. In this example we use `abstract-factory.jar` and assume the package name to be `com.iluwatar.abstractfactory`. Place the jar-files in the same directory and execute the following command.

java -cp abstract-factory.jar:urm-core.jar com.iluwatar.urm.DomainMapperCli -p com.iluwatar.abstractfactory -i com.iluwatar.abstractfactory.Castle

This will scan all the classes under the package `com.iluwatar.abstractfactory` except `Castle` that was marked to be ignored and output the markup to your console output. By default PlantUML presenter is used, but it can be changed with switch `-s graphviz` or `-s mermaid`. If you want to write it to file use switch `-f filename`. If you need to scan multiple packages use format `-p "com.package1, com.package2"`. Note that under Windows OS the classpath separator is `;` instead of `:`

### Using the Maven plugin

Add to your pom.xml the following:
```xml



com.iluwatar.urm
urm-maven-plugin
2.1.1


${project.basedir}/etc

com.mycompany.mypackage
com.mycompany.other_package


com.mycompany.mypackage.MyClass
com.mycompany.other_package.OtherClass

true
false
graphviz



process-classes

map





com.example
example
1.0.0



```

- `packages` configuration parameter contains a list of packages that should be included in the class
diagram
- `ignores` configuration parameter contains a list of types that should be excluded from the class
diagram
- `dependencies` list should contain the artifacts where the classes are found. See https://maven.apache.org/guides/mini/guide-configuring-plugins.html#Using_the_dependencies_Tag
- `includeMainDirectory` configuration parameter indicates to include classes of src/main/java
directory. Default value of `includeMainDirectory` is true.
- `includeTestDirectory` configuration parameter indicates to include classes of src/test/java
directory. Default value of `includeTestDirectory` configuration parameter is false.
- `presenter` parameter control which presenter is used. Can be `graphviz`, `plantuml` or `mermaid`.

When `process-classes` life-cycle phase gets executed, the class diagram will be saved to the location specified by `outputDirectory` parameter. If not specified the file is saved
to `/target/${project.name}.urm.`, where is one of `dot` (graphiv), `puml` (plantuml), or `mmd` (mermaid). Use this file with your local
or online tools to show your class diagram.

### Showcases

Here are some class diagrams generated with the `urm-maven-plugin`.

![Graphviz example](examples/graphviz-example.png "Graphviz example")
![PlantUML example](examples/plantuml-example.png "PlantUML example")
![Mermaid example](examples/mermaid-example.png "Mermaid example")

### Deploy Instructions

[Performing a Release Deployment](http://central.sonatype.org/pages/apache-maven.html#performing-a-release-deployment)

```
export GPG_TTY=$(tty)
./mvnw clean deploy -P release
```