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// Copyright 2019 Google Inc. All rights reserved.
//
// Licensed 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.
package java
import (
"fmt"
"io"
"android/soong/android"
"android/soong/dexpreopt"
)
type DeviceHostConverter struct {
android.ModuleBase
android.DefaultableModuleBase
properties DeviceHostConverterProperties
headerJars android.Paths
implementationJars android.Paths
implementationAndResourceJars android.Paths
resourceJars android.Paths
srcJarArgs []string
srcJarDeps android.Paths
combinedHeaderJar android.Path
combinedImplementationJar android.Path
}
type DeviceHostConverterProperties struct {
// List of modules whose contents will be visible to modules that depend on this module.
Libs []string
}
type DeviceForHost struct {
DeviceHostConverter
}
// java_device_for_host makes the classes.jar output of a device java_library module available to host
// java_library modules.
//
// It is rarely necessary, and its usage is restricted to a few allowed projects.
func DeviceForHostFactory() android.Module {
module := &DeviceForHost{}
module.AddProperties(&module.properties)
InitJavaModule(module, android.HostSupported)
return module
}
type HostForDevice struct {
DeviceHostConverter
}
// java_host_for_device makes the classes.jar output of a host java_library module available to device
// java_library modules.
//
// It is rarely necessary, and its usage is restricted to a few allowed projects.
func HostForDeviceFactory() android.Module {
module := &HostForDevice{}
module.AddProperties(&module.properties)
InitJavaModule(module, android.DeviceSupported)
return module
}
var deviceHostConverterDepTag = dependencyTag{name: "device_host_converter"}
func (d *DeviceForHost) DepsMutator(ctx android.BottomUpMutatorContext) {
ctx.AddFarVariationDependencies(ctx.Config().AndroidCommonTarget.Variations(),
deviceHostConverterDepTag, d.properties.Libs...)
}
func (d *HostForDevice) DepsMutator(ctx android.BottomUpMutatorContext) {
ctx.AddFarVariationDependencies(ctx.Config().BuildOSCommonTarget.Variations(),
deviceHostConverterDepTag, d.properties.Libs...)
}
func (d *DeviceHostConverter) GenerateAndroidBuildActions(ctx android.ModuleContext) {
if len(d.properties.Libs) < 1 {
ctx.PropertyErrorf("libs", "at least one dependency is required")
}
ctx.VisitDirectDepsWithTag(deviceHostConverterDepTag, func(m android.Module) {
if dep, ok := android.OtherModuleProvider(ctx, m, JavaInfoProvider); ok {
d.headerJars = append(d.headerJars, dep.HeaderJars...)
d.implementationJars = append(d.implementationJars, dep.ImplementationJars...)
d.implementationAndResourceJars = append(d.implementationAndResourceJars, dep.ImplementationAndResourcesJars...)
d.resourceJars = append(d.resourceJars, dep.ResourceJars...)
d.srcJarArgs = append(d.srcJarArgs, dep.SrcJarArgs...)
d.srcJarDeps = append(d.srcJarDeps, dep.SrcJarDeps...)
} else {
ctx.PropertyErrorf("libs", "module %q cannot be used as a dependency", ctx.OtherModuleName(m))
}
})
jarName := ctx.ModuleName() + ".jar"
if len(d.implementationAndResourceJars) > 1 {
outputFile := android.PathForModuleOut(ctx, "combined", jarName)
TransformJarsToJar(ctx, outputFile, "combine", d.implementationAndResourceJars,
android.OptionalPath{}, false, nil, nil)
d.combinedImplementationJar = outputFile
} else if len(d.implementationAndResourceJars) == 1 {
d.combinedImplementationJar = d.implementationAndResourceJars[0]
}
if len(d.headerJars) > 1 {
outputFile := android.PathForModuleOut(ctx, "turbine-combined", jarName)
TransformJarsToJar(ctx, outputFile, "turbine combine", d.headerJars,
android.OptionalPath{}, false, nil, []string{"META-INF/TRANSITIVE"})
d.combinedHeaderJar = outputFile
} else if len(d.headerJars) == 1 {
d.combinedHeaderJar = d.headerJars[0]
}
android.SetProvider(ctx, JavaInfoProvider, JavaInfo{
HeaderJars: d.headerJars,
ImplementationAndResourcesJars: d.implementationAndResourceJars,
ImplementationJars: d.implementationJars,
ResourceJars: d.resourceJars,
SrcJarArgs: d.srcJarArgs,
SrcJarDeps: d.srcJarDeps,
StubsLinkType: Implementation,
// TODO: Not sure if aconfig flags that have been moved between device and host variants
// make sense.
})
}
func (d *DeviceHostConverter) HeaderJars() android.Paths {
return d.headerJars
}
func (d *DeviceHostConverter) ImplementationAndResourcesJars() android.Paths {
return d.implementationAndResourceJars
}
func (d *DeviceHostConverter) DexJarBuildPath(ctx android.ModuleErrorfContext) android.Path {
return nil
}
func (d *DeviceHostConverter) DexJarInstallPath() android.Path {
return nil
}
func (d *DeviceHostConverter) AidlIncludeDirs() android.Paths {
return nil
}
func (d *DeviceHostConverter) ClassLoaderContexts() dexpreopt.ClassLoaderContextMap {
return nil
}
func (d *DeviceHostConverter) JacocoReportClassesFile() android.Path {
return nil
}
func (d *DeviceHostConverter) AndroidMk() android.AndroidMkData {
return android.AndroidMkData{
Class: "JAVA_LIBRARIES",
OutputFile: android.OptionalPathForPath(d.combinedImplementationJar),
// Make does not support Windows Java modules
Disabled: d.Os() == android.Windows,
Include: "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
Extra: []android.AndroidMkExtraFunc{
func(w io.Writer, outputFile android.Path) {
fmt.Fprintln(w, "LOCAL_UNINSTALLABLE_MODULE := true")
fmt.Fprintln(w, "LOCAL_SOONG_HEADER_JAR :=", d.combinedHeaderJar.String())
fmt.Fprintln(w, "LOCAL_SOONG_CLASSES_JAR :=", d.combinedImplementationJar.String())
},
},
}
}