| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with this |
| # work for additional information regarding copyright ownership. The ASF |
| # licenses this file to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| module Buildr #:nodoc: |
| module Compiler #:nodoc: |
| class ExternalJavac< Buildr::Compiler::Javac |
| |
| OPTIONS = [:jvm, :warnings, :debug, :deprecation, :source, :target, :lint, :other] |
| |
| specify :language=>:java, :sources => 'java', :source_ext => 'java', |
| :target=>'classes', :target_ext=>'class', :packaging=>:jar |
| |
| |
| def compile(sources, target, dependencies) #:nodoc: |
| check_options options, OPTIONS |
| cmd_args = [] |
| # tools.jar contains the Java compiler. |
| dependencies << Java.tools_jar if Java.tools_jar |
| cmd_args << '-classpath' << dependencies.join(File::PATH_SEPARATOR) unless dependencies.empty? |
| source_paths = sources.select { |source| File.directory?(source) } |
| cmd_args << '-sourcepath' << source_paths.join(File::PATH_SEPARATOR) unless source_paths.empty? |
| cmd_args << '-d' << File.expand_path(target) |
| cmd_args += externaljavac_args |
| Tempfile.open("external") {|tmp| |
| tmp.write files_from_sources(sources).join(' ') |
| cmd_args << "@#{tmp.path}" |
| } |
| unless Buildr.application.options.dryrun |
| javac_path = File.join(options[:jvm] || ENV['JAVA_HOME'], "bin", "javac") |
| final_args = cmd_args.insert(0, javac_path).push('2>&1').join(' ') |
| trace(final_args) |
| info %x[#{final_args}] |
| fail 'Failed to compile, see errors above' unless $?.success? |
| end |
| end |
| |
| private |
| |
| # See arg list here: http://publib.boulder.ibm.com/infocenter/rsahelp/v7r0m0/index.jsp?topic=/org.eclipse.jdt.doc.isv/guide/jdt_api_compile.htm |
| def externaljavac_args #:nodoc: |
| args = [] |
| args << '-nowarn' unless options[:warnings] |
| args << '-verbose' if trace?(:javac) |
| args << '-g' if options[:debug] |
| args << '-deprecation' if options[:deprecation] |
| args << '-source' << options[:source].to_s if options[:source] |
| args << '-target' << options[:target].to_s if options[:target] |
| case options[:lint] |
| when Array then args << "-Xlint:#{options[:lint].join(',')}" |
| when String then args << "-Xlint:#{options[:lint]}" |
| when true then args << '-Xlint' |
| end |
| args + Array(options[:other]) |
| end |
| |
| end |
| |
| end |
| end |
| |
| Buildr::Compiler.compilers << Buildr::Compiler::ExternalJavac |