# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

jarrunner = "//build/util/java_action.py"

# Declare a target that runs a java command a single time.
#
# This target type allows you to run a java command a single time to produce
# one or more output files. If you want to run a java command for each of a
# set of input files, see "java_action_foreach".
#
# See "gn help action" for more information on how to use this target. This
# template is based on the "action" and supports the same variables.
template("java_action") {
  assert(defined(invoker.script),
         "Need script in $target_name listing the .jar file to run.")
  assert(defined(invoker.outputs),
         "Need outputs in $target_name listing the generated outputs.")

  jarscript = invoker.script
  action(target_name) {
    script = jarrunner

    inputs = [ jarscript ]
    if (defined(invoker.inputs)) {
      inputs += invoker.inputs
    }

    args = [
      "-jar",
      rebase_path(jarscript, root_build_dir),
    ]
    if (defined(invoker.args)) {
      args += invoker.args
    }

    forward_variables_from(invoker,
                           [
                             "console",
                             "data",
                             "data_deps",
                             "depfile",
                             "deps",
                             "outputs",
                             "sources",
                             "testonly",
                             "visibility",
                           ])
  }
}

# Declare a target that runs a java command over a set of files.
#
# This target type allows you to run a java command once-per-file over a set of
# sources. If you want to run a java command once that takes many files as
# input, see "java_action".
#
# See "gn help action_foreach" for more information on how to use this target.
# This template is based on the "action_foreach" supports the same variables.
template("java_action_foreach") {
  assert(defined(invoker.script),
         "Need script in $target_name listing the .jar file to run.")
  assert(defined(invoker.outputs),
         "Need outputs in $target_name listing the generated outputs.")
  assert(defined(invoker.sources),
         "Need sources in $target_name listing the target inputs.")

  jarscript = invoker.script
  action_foreach(target_name) {
    script = jarrunner

    inputs = [ jarscript ]
    if (defined(invoker.inputs)) {
      inputs += invoker.inputs
    }

    args = [
      "-jar",
      rebase_path(jarscript, root_build_dir),
    ]
    if (defined(invoker.args)) {
      args += invoker.args
    }

    forward_variables_from(invoker,
                           [
                             "console",
                             "data",
                             "data_deps",
                             "depfile",
                             "deps",
                             "outputs",
                             "sources",
                             "testonly",
                             "visibility",
                           ])
  }
}