dependencies - Gradle:如何在多项目脚本中对依赖项进行分组？

Question

我们的Gradle脚本包含根“war”项目和多个(10个以上)子“jar”项目。
每个JAR项目都依赖于许多(30-60)JAR。
部分示例:

dependencies {
    compile 'dwr:dwr:3.0.0.117'
    compile 'annotations:annotations:1.0' 

    compile 'abdera:abdera-core:0.4.0-incubating'
    compile 'abdera:abdera-extensions-json:0.4.0-incubating'
    compile 'abdera:abdera-extensions-main:0.4.0-incubating'
    compile 'abdera:abdera-i18n:0.4.0-incubating'
    compile 'abdera:abdera-parser:0.4.0-incubating'


    compile 'aopalliance:aopalliance:1.0'

    compile 'apacheds:apacheds-core:1.0.2'
    compile 'apacheds:apacheds-core-shared:1.0.2'
    compile 'apacheds:apacheds-kerberos-shared:1.0.2'
    compile 'apacheds:apacheds-protocol-changepw:1.0.2'
    compile 'apacheds:apacheds-protocol-kerberos:1.0.2'
    compile 'apacheds:apacheds-protocol-ldap:1.0.2'
    compile 'apacheds:apacheds-protocol-ntp:1.0.2'
    compile 'apacheds:apacheds-protocol-shared:1.0.2'
    compile 'apacheds:apacheds-server-jndi:1.0.2'
    compile 'apacheds:apacheds-server-main:1.0.2'
    compile 'apacheds:apacheds-server-ssl:1.0.2'

    compile 'commons:commons-logging:1.0.4'
    compile 'commons:commons-beanutils'
    compile 'commons:commons-cli:1.0'
    compile 'commons:commons-codec:1.3'
    compile 'commons:commons-collections:3.2.1'
    compile 'commons:commons-digester'
    compile 'commons:commons-discovery:0.2'
    compile 'commons:commons-fileupload:1.2'
    compile 'commons:commons-io:1.2'
    compile 'commons:commons-lang:2.4'
    compile 'commons:commons-pool:1.5.4'

    compile 'dom4j:dom4j-full'
    compile 'ehcache:ehcache:1.6.2'
    compile 'eigenbase:eigenbase-properties'
    compile 'eigenbase:eigenbase-resgen'
    compile 'eigenbase:eigenbase-xom'
    compile 'FastInfoset:FastInfoset:1.2.7'
    compile 'fop:fop'
    compile 'freehep:freehep-export:2.1.1'
    compile 'freehep:freehep-graphics2d:2.1.1'
    compile 'freehep:freehep-graphicsio:2.1.1'
    compile 'freehep:freehep-graphicsio-emf:2.1.1-adapted'
    compile 'freehep:freehep-graphicsio-java:2.1.1'
    compile 'freehep:freehep-graphicsio-pdf:2.1.1'
    compile 'freehep:freehep-graphicsio-ps:2.1.1'
    compile 'freehep:freehep-graphicsio-svg:2.1.1'
    compile 'freehep:freehep-graphicsio-swf:2.1.1'
    compile 'freehep:freehep-graphicsio-tests:2.1.1'
    compile 'freehep:freehep-io:2.0.2'
    compile 'freehep:freehep-swing:2.0.3'
    compile 'freehep:freehep-util:2.0.2'
    compile 'freehep:freehep-xml:2.1.1'
}

我想避免每个组件都有如此长的依赖项列表。
应该有一种对依赖项进行分组的方法，例如“freehep”，“commons”，“apacheds”，“abdera”，“dwr”，然后每个组件都将引用这些组。

Answer 1

将以下内容添加到根项目中:

ext {
  apache_commons = [ 'commons-io:commons-io:2.4', 'org.apache.commons:commons-lang3:3.1' ]
}

然后将其包含在这样的子项目中:

dependencies {
  compile apache_commons
}

这样，您可以定义任意数量的依赖项列表，并根据需要以任意组合频繁地包含它们。