How to call swagger codegen programmatically?

Question

I am generating a restful java jax-rs api with swagger-codgen-cli.jar.
Right now I call java -jar with some command line options to do this.

java -jar swagger-codegen-cli.jar generate -i api.yaml -l jaxrs -o ./outputdir

Which works fine.

But I would like to make this call from of a Java program i.e. including the codegen.jar into my classpath and then call the corresponding method with similar parameters.

So is there a public API from the swagger-codegen module which I can call?

Atm i build swagger-codegen with maven, depending on how to use swagger, i could have multiple options (maven, ant) — MidgarZolom, Sep 30 '15 at 10:01
I need to read about this plugin. (writing from my normal account now, somehow my login was messed up...) — Gobliins, Sep 30 '15 at 10:08

score 4 · Answer 1 · edited May 23 '17 at 12:34

4

If I correctly understand what you need, you would like to dinamically generate your stub classes. So why don't use swagger-codegen-maven-plugin to generate your stub classes?

As reported in the usage section, simply add to your build->plugins section (default phase is generate-sources phase)

<plugin>
    <groupId>com.garethevans.plugin</groupId>
    <artifactId>swagger-codegen-maven-plugin</artifactId>
    <version>${project.version}</version>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <inputSpec>src/main/resources/api.yaml</inputSpec>
                <language>java</language>
            </configuration>
        </execution>
    </executions>
</plugin>

If you would like to execute the command from a program you may use Runtime.getRuntime().exec() or Runtime.getRuntime().exec() alternatives

edited May 23 '17 at 12:34

Community

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1

answered Sep 30 '15 at 10:09

abarisone

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The next step would be to generate an API dynamically yes. But maybe you misunderstood my question. If i understand this plugin correctly, it is a wrapper around swaggers command line options for maven? – Gobliins Sep 30 '15 at 11:14
But which is your final aim? Having the stubs created or else? – abarisone Sep 30 '15 at 11:42
Aim is: A java program, that runs the swagger-code-generator like the command line. Sthg like SwaggerGenerator gen = new SwaggerGenerator(); gen.setLanguage("jax-rs"); gen.setYaml("...") gen.generateApi() – Gobliins Sep 30 '15 at 12:02
Which means, generate the target languages (in this case java jax-rs) java source files from a yaml or json api description. – Gobliins Sep 30 '15 at 12:19
I think yes... the stubs created – Gobliins Sep 30 '15 at 15:15

How to call swagger codegen programmatically?

1 Answers1