How to configure gradle to resolve dependencies

Question

i am trying to move my MAVEN build to a gradle therefore i need to solve the following:

project:

application (this one shall create a fatjar)

plugins (shall result in single jar files, but no fat jars!)

utils (requires: jarX, jarY, jarZ)
data (requires: utils, jarX, jarY)
controls (requires: data, utils, jarY)

what i worked out is create a jar for each plugin (but i have to FULLY define its dependecies, which is actually gradles job

so what i did was create jar files, copy them manually to a reposiory and declare dependencies on those...

so what i expected is, that i only have to tell application to require controls, because controls already includes anything needed (alsways includes the dependencies from stuff below)

i guess i have to define a project (yes i read the help page of gradle, but i was not able to work it out)

so right now i have settings.gradle in each plugin, but what i read this is wrong. i should only have one settings.gradle in the root.

ROOT: settings.gradle:

include ':application', ':controls', ':data', ':util'

ROOT: build.gradle

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.glazedlists:glazedlists:1.11.0'
        classpath 'org.jooq:jooq:3.12.1'
        classpath 'org.controlsfx:controlsfx:8.40.12'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

and each of the plugins got: build.gradle

plugins {
    id 'java-library'
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

but this does not work either...

thanks in advance

The dependencies block of the buildscript block defines the dependencies needed by the build script, i.e. by the gradle tasks themselves. Not the dependencies of your projects. Read https://docs.gradle.org/current/userguide/dependency_management_for_java_projects.html#header (for example), and https://docs.gradle.org/current/userguide/multi_project_builds.html#header — JB Nizet, Sep 07 '19 at 15:24
That language is confusing. By your first use of the word "plugin", do you mean [dependencies](https://docs.gradle.org/current/userguide/dependency_management_for_java_projects.html)? By the second use, do you mean [subprojects](https://docs.gradle.org/current/userguide/multi_project_builds.html#sec:subproject_configuration)? i.e. "_gradle is not resolving the **dependencies** of the included **subprojects**_". — smac89, Nov 02 '19 at 01:37
i am sorry - i do develop an application (project) which has multiple parts (subprojects, eclipse would call this plugin) - dependencies might be jar files or other parts/subprojects/plugins — lumo, Nov 06 '19 at 15:30

score 0 · Answer 1 · answered Nov 02 '19 at 01:59

Assuming you need to do a multiproject setup, do the following:

settings.gradle

rootProject.name = 'mvn2Gradle'
include ':application', ':controls', ':data', ':util'

build.gradle

allprojects {
    repositories {
        google()
        jcenter()
    }
}

subprojects {
    apply plugin: 'java'

    ext {
        jarYVersion = '1.x'
    }

    sourceCompatibility = 1.8
    targetCompatibility = 1.8

    dependencies {
        implementation "org.example:jarY:$jarYVersion" // Every subproject gets this dependency
    }
}

wrapper { // Run this task once before you start building
    gradleVersion = '5.6.3'
    distributionType = Wrapper.DistributionType.ALL
}

`utils`: build.gradle

plugins {
    id 'java-library'
}

ext {
    jarXVersion = '1.x'
    jarZVersion = '1.x'
}

dependencies {
    implementation "org.example:jarX:$jarXVersion"
    api "org.example:jarZ:$jarZVersion" // "api" because none of the other projects depends on this jar
}

`data`: build.gradle

plugins {
    id 'java-library'
}

dependencies {
    implementation project(':utils') // Also inherits "jarX"
}

`controls`: build.gradle

plugins {
    id 'java-library'
}

dependencies {
    implementation project(':data') // Also inherits "project:utils"
}

`application`: build.gradle

plugins {
    id 'application'
}

application {
    mainClassName 'my.package.Main'
}

dependencies {
    implementation project(':controls')
}

How to configure gradle to resolve dependencies

1 Answers1

settings.gradle

build.gradle

utils: build.gradle

data: build.gradle

controls: build.gradle

application: build.gradle

`utils`: build.gradle

`data`: build.gradle

`controls`: build.gradle

`application`: build.gradle