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依赖 jar 时未导入 Java-Library 依赖项

转载 作者:行者123 更新时间:2023-12-03 03:41:14 30 4
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我正在尝试将一些常用模块移动到他们自己的项目中,以便可以将它们上传到私有(private)存储库并在应用程序中使用。目前,它们都在一个多项目配置中,一切都按预期工作。我把它们搬走了,一切似乎都很好。当我在我的应用程序中将它们用作依赖项时,我收到错误消息 java.lang.module.FindException: Module X not found, required by COMMON-MODULE-Y .

我的印象是 java-library插件允许我的应用程序导入声明的依赖项所需的那些辅助依赖项,但这不是正在发生的事情。

我如何打包我常用的模块以允许这样做,或者我如何配置我的项目以允许这样做?我为此使用 Java 11。

EDIT



基本上我希望我的库是自包含的,并且使用它们的应用程序不包含任何其他库。

这是我的 build.gradle对于我遇到上述错误的模块。
plugins {
id 'java-library'
id 'idea'
}

if(project.hasProperty('javaVer') && javaVer == '8') {
sourceCompatibility = 1.8
targetCompatibility = 1.8
}

idea {
module {
inheritOutputDirs = true
}
}

def currentOS = org.gradle.internal.os.OperatingSystem.current()
def depPlatform

if (!project.hasProperty(('platform'))) {
if (currentOS.isWindows()) {
depPlatform = 'win'
} else if (currentOS.isLinux()) {
depPlatform = 'linux'
} else if (currentOS.isMacOsX()) {
depPlatform = 'mac'cd
}
}else {
depPlatform = project.getProperties().get("platform");
}

sourceSets.main {
java {
srcDir 'src/main/java' //assume that your source codes are inside this path
}
resources {
srcDirs = ['src/main/java', 'src/main/resources']
exclude "**/*.java"
}
}

ext.moduleName = 'license'

dependencies {
implementation project(':common')
implementation "org.openjfx:javafx-base:11.0.2:${depPlatform}"
implementation 'commons-io:commons-io:2.6'
implementation 'org.apache.commons:commons-lang3:3.7'
implementation 'com.google.code.gson:gson:2.8.2'
implementation 'com.github.purejavacomm:purejavacomm:1.0.1.RELEASE'
}

这里是 build.gradle对于多项目,上述模块位于。
subprojects {
afterEvaluate {
repositories {
mavenCentral()
jcenter()
}

compileJava {
if (project.hasProperty(('javaVer')) && javaVer == '8') {
excludes = ['**/module-info.java']
} else {
doFirst {
options.compilerArgs = [
'--module-path', classpath.asPath,
]
}
}
}

jar {
archiveFileName = project.name + '-' + (project.hasProperty(('releaseSpec')) ? project.releaseSpec : 'SNAPSHOT') + '.jar'
}
}
}

最佳答案

简短回答:你想expose runtime dependencies .例如。它们是应用程序执行所必需的,但它们不应该可用于编译。

请使用以下可行的代码:

settings.gradle.kts:

include(":application")
include(":libraryA")
include(":libraryB")

应用程序/gradle.build.kts:
plugins {
application
kotlin("jvm") version "1.3.61"
}

dependencies {
api(project(":libraryA")) // we reference only library, we know nothing about the dependencies.
}

库A/gradle.build.kts:
plugins {
kotlin("jvm") version "1.3.61"
}

dependencies {
api(project(":libraryB")) // again, we know nothing about the dependencies
}

库B/gradle.build.kts:
plugins {
kotlin("jvm") version "1.3.61"
}

dependencies {
api("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.61")
// api("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:1.3.3") - uncomment this line to expose api. You will see kotlinx-coroutines-reactor members in intellisence
implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:1.3.3") // mark, that this dependency is needed for compilation. However it will not be exposed to other project.
runtimeOnly("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:1.3.3") // mark, that this dependency is required for runtime. It means, that it will be exposed as runtime dependency only
}

库B\src\Something.kt
import kotlinx.coroutines.runBlocking

fun doSomething() {
runBlocking { // use kotlinx-coroutines here.
println("Yess !!!")
}
}

应用程序\src\Application.kt
package gradle.multi.application

import doSomething

fun main() {
"12314".toInt() // check, that api layer is exposed here

/* runBlocking { // this couldn't be compiled, because kotlinx-coroutines aren't exposed here
}*/

doSomething()
}

所以,我们做了什么:
  • 我们的依赖:application --> libraryA --> libraryB
  • application是可运行的项目,所有其他的只是库。
  • libraryA没有任何话可以重新暴露依赖。它只是引用 libraryB
  • application只是引用 libraryA .开发人员不知道任何隐式依赖项(编译或运行时)。
  • libraryB使用 kotlinx-coroutines-reactor并将其公开为运行时依赖项。该信息通过libraryA发布到可运行项目。
  • 关于依赖 jar 时未导入 Java-Library 依赖项,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59685313/

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