io.spring.develocity.conventions.maven.ProcessBuilderProcessRunner Maven / Gradle / Ivy
/*
* Copyright 2020-2024 the original author or authors.
*
* 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
*
* https://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 io.spring.develocity.conventions.maven;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import io.spring.develocity.conventions.core.ProcessRunner;
/**
* {@link ProcessRunner} implementation that uses {@link ProcessBuilder}.
*
* @author Andy Wilkinson
*/
class ProcessBuilderProcessRunner implements ProcessRunner {
@Override
public void run(Consumer configurer) {
ProcessBuilder processBuilder = new ProcessBuilder();
ProcessBuilderProcessSpec spec = new ProcessBuilderProcessSpec(processBuilder);
configurer.accept(spec);
try {
processBuilder.start().waitFor();
Files.copy(spec.output, spec.outputStream);
}
catch (Exception ex) {
throw new RuntimeException("Process failed", ex);
}
}
private static final class ProcessBuilderProcessSpec implements ProcessSpec {
private final ProcessBuilder processBuilder;
private final Path output;
private OutputStream outputStream;
private ProcessBuilderProcessSpec(ProcessBuilder processBuilder) {
this.processBuilder = processBuilder;
try {
this.output = Files.createTempFile("output", "txt");
}
catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
@Override
public void commandLine(Object... commandLine) {
List command = Stream.of(commandLine).map(Object::toString).collect(Collectors.toList());
this.processBuilder.command(command);
}
@Override
public void standardOutput(OutputStream standardOutput) {
this.processBuilder.redirectOutput(this.output.toFile());
this.outputStream = standardOutput;
}
}
}