一个java_library()规则用来定义一系列的可以编译到一起的java文件,java_library规则的主要输出是一个包含所有编译的类文件和资源文件的JAR包
注意 buck用buckconfig.html里的src_roots来帮助确定哪里的resource应该被放置到生成的jar文件里面
例子 —
# A rule that compiles a single .java file.
java_library(
name = 'JsonUtil',
srcs = ['JsonUtil.java'],
deps = [
'//third_party/guava:guava',
'//third_party/jackson:jackson',
],
)
# A rule that compiles all of the .java files under the directory in
# which the rule is defined using glob(). It also excludes an
# individual file that may has additional dependencies, so it is
# compiled by a separate rule.
java_library(
name = 'messenger',
srcs = glob(['**/*.java'], excludes = ['MessengerModule.java']),
deps = [
'//src/com/facebook/base:base',
'//third_party/guava:guava',
],
)
java_library(
name = 'MessengerModule',
srcs = ['MessengerModule.java'],
deps = [
'//src/com/facebook/base:base',
'//src/com/google/inject:inject',
'//third_party/guava:guava',
'//third_party/jsr-330:jsr-330',
],
)
# A rule that builds a library with both relative and
# fully-qualified deps.
java_library(
name = 'testutil',
srcs = glob(['tests/**/*.java'], excludes = 'tests/**/*Test.java'),
deps = [
':lib-fb4a',
'//java/com/facebook/base:base',
],
)