在自定义插件中使用 Gradle 依赖项

Question

我正在尝试编写一个自定义 Gradle 插件，使用他们的 API 调用 flyway 迁移：

https://flywaydb.org/documentation/api/

这是一个最小的例子：

buildscript {
    repositories.jcenter()
    dependencies.classpath "org.flywaydb:flyway-core:4.1.2"
}

apply plugin: DatabaseHandlerPlugin

class DatabaseHandlerPlugin implements Plugin<Project> {
    void apply(Project project) {
        project.task("databaseHandler").doLast {
            org.flywaydb.Flyway f = new Flyway(); // <= How can I use the above declared dependency here and in my projects?
        }
    }
}

但我的 gradle 抱怨它无法加载 Flyway 类。

Answer 1

Flyway 类在 org.flywaydb.core 包中。您错过了 core 位。我的完整代码有效：

import org.flywaydb.core.Flyway; // << can import here

buildscript {
    repositories { mavenCentral() }

    dependencies {
        classpath "org.flywaydb:flyway-core:4.1.2"
    }

}
apply plugin: DatabaseHandlerPlugin

class DatabaseHandlerPlugin implements Plugin<Project> {
    void apply(Project project) {
        project.task('databaseHandler') {
            doLast {
                Flyway f = new Flyway()
                println "Flyway: $f"
            }
        }
    }
}

输出：

> gradle databaseHandler    
:databaseHandler
Flyway: org.flywaydb.core.Flyway@7b27e8f4