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BuildNativeImageTask.java
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BuildNativeImageTask.java
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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* The Universal Permissive License (UPL), Version 1.0
*
* Subject to the condition set forth below, permission is hereby granted to any
* person obtaining a copy of this software, associated documentation and/or
* data (collectively the "Software"), free of charge and under any and all
* copyright rights in the Software, and any and all patent rights owned or
* freely licensable by each licensor hereunder covering either (i) the
* unmodified Software as contributed to or provided by such licensor, or (ii)
* the Larger Works (as defined below), to deal in both
*
* (a) the Software, and
*
* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
* one is included with the Software each a "Larger Work" to which the Software
* is contributed by such licensors),
*
* without restriction, including without limitation the rights to copy, create
* derivative works of, display, perform, and distribute the Software and make,
* use, sell, offer for sale, import, export, have made, and have sold the
* Software and the Larger Work(s), and to sublicense the foregoing rights on
* either these or other terms.
*
* This license is subject to the following condition:
*
* The above copyright notice and either this complete permission notice or at a
* minimum a reference to the UPL must be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.graalvm.buildtools.gradle.tasks;
import org.graalvm.buildtools.gradle.NativeImagePlugin;
import org.graalvm.buildtools.gradle.dsl.NativeImageOptions;
import org.graalvm.buildtools.gradle.internal.GraalVMLogger;
import org.graalvm.buildtools.gradle.internal.NativeImageCommandLineProvider;
import org.graalvm.buildtools.gradle.internal.NativeImageExecutableLocator;
import org.gradle.api.DefaultTask;
import org.gradle.api.file.Directory;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.RegularFile;
import org.gradle.api.file.RegularFileProperty;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.JavaBasePlugin;
import org.gradle.api.provider.Property;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputDirectory;
import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;
import org.gradle.process.ExecOperations;
import javax.inject.Inject;
import java.io.File;
import java.util.List;
import static org.graalvm.buildtools.gradle.internal.NativeImageExecutableLocator.graalvmHomeProvider;
import static org.graalvm.buildtools.utils.SharedConstants.EXECUTABLE_EXTENSION;
/**
* This task is responsible for generating a native image by
* calling the corresponding tool in the GraalVM toolchain.
*/
public abstract class BuildNativeImageTask extends DefaultTask {
private final Provider<String> graalvmHomeProvider;
@Nested
public abstract Property<NativeImageOptions> getOptions();
@Inject
protected abstract ExecOperations getExecOperations();
@Internal
protected abstract DirectoryProperty getWorkingDirectory();
@OutputDirectory
public abstract DirectoryProperty getOutputDirectory();
@InputDirectory
@Optional
public abstract DirectoryProperty getTestListDirectory();
@Optional
@Input
protected Provider<String> getGraalVMHome() {
return graalvmHomeProvider;
}
@Internal
public Provider<String> getExecutableShortName() {
return getOptions().flatMap(NativeImageOptions::getImageName);
}
@Internal
public Provider<String> getExecutableName() {
return getOptions().flatMap(options -> options.getImageName().map(name -> name + EXECUTABLE_EXTENSION));
}
@Internal
public Provider<RegularFile> getOutputFile() {
return getOutputDirectory().map(dir -> dir.file(getExecutableName()).get());
}
@Input
public abstract Property<Boolean> getDisableToolchainDetection();
@Inject
protected abstract ProviderFactory getProviders();
@Inject
protected abstract ObjectFactory getObjects();
@InputFile
@Optional
public abstract RegularFileProperty getClasspathJar();
@Input
@Optional
public abstract Property<Boolean> getUseArgFile();
public BuildNativeImageTask() {
DirectoryProperty buildDir = getProject().getLayout().getBuildDirectory();
Provider<Directory> outputDir = buildDir.dir("native/" + getName());
getWorkingDirectory().set(outputDir);
setDescription("Builds a native image.");
setGroup(JavaBasePlugin.VERIFICATION_GROUP);
getOutputDirectory().convention(outputDir);
ProviderFactory providers = getProject().getProviders();
this.graalvmHomeProvider = graalvmHomeProvider(providers);
getDisableToolchainDetection().convention(false);
}
private List<String> buildActualCommandLineArgs() {
getOptions().finalizeValue();
return new NativeImageCommandLineProvider(
getOptions(),
getExecutableShortName(),
// Can't use getOutputDirectory().map(...) because Gradle would complain that we use
// a mapped value before the task was called, when we are actually calling it...
getProviders().provider(() -> getOutputDirectory().getAsFile().get().getAbsolutePath()),
getClasspathJar(),
getUseArgFile()
).asArguments();
}
// This property provides access to the service instance
// It should be Property<NativeImageService> but because of a bug in Gradle
// we have to use a more generic type, see https://github.com/gradle/gradle/issues/17559
@Internal
public abstract Property<Object> getService();
@TaskAction
public void exec() {
List<String> args = buildActualCommandLineArgs();
NativeImageOptions options = getOptions().get();
GraalVMLogger logger = GraalVMLogger.of(getLogger());
if (options.getVerbose().get()) {
logger.lifecycle("Args are: " + args);
}
File executablePath = NativeImageExecutableLocator.findNativeImageExecutable(
options.getJavaLauncher(),
getDisableToolchainDetection(),
getGraalVMHome(),
getExecOperations(),
logger);
logger.lifecycle("Using executable path: " + executablePath);
String executable = executablePath.getAbsolutePath();
File outputDir = getOutputDirectory().getAsFile().get();
if (outputDir.isDirectory() || outputDir.mkdirs()) {
getExecOperations().exec(spec -> {
spec.setWorkingDir(getWorkingDirectory());
if (getTestListDirectory().isPresent()) {
NativeImagePlugin.TrackingDirectorySystemPropertyProvider directoryProvider = getObjects().newInstance(NativeImagePlugin.TrackingDirectorySystemPropertyProvider.class);
directoryProvider.getDirectory().set(getTestListDirectory());
spec.getArgumentProviders().add(directoryProvider);
}
spec.args(args);
getService().get();
spec.setExecutable(executable);
});
logger.lifecycle("Native Image written to: " + outputDir);
}
}
}