org.springframework.aot.nativex.FileNativeConfigurationWriter Maven / Gradle / Ivy
/*
* Copyright 2002-2022 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 org.springframework.aot.nativex;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.nio.file.Path;
import java.util.function.Consumer;
import org.springframework.lang.Nullable;
/**
* A {@link NativeConfigurationWriter} implementation that writes the
* configuration to disk.
*
* @author Sebastien Deleuze
* @author Stephane Nicoll
* @since 6.0
* @see Native Image Build Configuration
*/
public class FileNativeConfigurationWriter extends NativeConfigurationWriter {
private final Path basePath;
@Nullable
private final String groupId;
@Nullable
private final String artifactId;
public FileNativeConfigurationWriter(Path basePath) {
this(basePath, null, null);
}
public FileNativeConfigurationWriter(Path basePath, @Nullable String groupId, @Nullable String artifactId) {
this.basePath = basePath;
if ((groupId == null && artifactId != null) || (groupId != null && artifactId == null)) {
throw new IllegalArgumentException("groupId and artifactId must be both null or both non-null");
}
this.groupId = groupId;
this.artifactId = artifactId;
}
@Override
protected void writeTo(String fileName, Consumer writer) {
try {
File file = createIfNecessary(fileName);
try (FileWriter out = new FileWriter(file)) {
writer.accept(createJsonWriter(out));
}
}
catch (IOException ex) {
throw new IllegalStateException("Failed to write native configuration for " + fileName, ex);
}
}
private File createIfNecessary(String filename) throws IOException {
Path outputDirectory = this.basePath.resolve("META-INF").resolve("native-image");
if (this.groupId != null && this.artifactId != null) {
outputDirectory = outputDirectory.resolve(this.groupId).resolve(this.artifactId);
}
outputDirectory.toFile().mkdirs();
File file = outputDirectory.resolve(filename).toFile();
file.createNewFile();
return file;
}
private BasicJsonWriter createJsonWriter(Writer out) {
return new BasicJsonWriter(out);
}
}