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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.dev.builder;
import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.jar.Manifest;
public class PreinstalledBundleResolver {
private static final Path MANIFEST_MF = Paths.get("MANIFEST.MF");
private static final String X_JDISC_PREINSTALL_BUNDLE = "X-JDisc-Preinstall-Bundle";
private static final String REMOVABLE_SUFFIX = ".jar";
private static final String REMOVABLE_ASSEMBLY_ID = "-jar-with-dependencies";
public static void main(final String[] args) throws Throwable {
Files.walkFileTree(Paths.get(args[0]), new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
if (!attrs.isRegularFile()) {
return FileVisitResult.CONTINUE;
}
if (!file.getFileName().equals(MANIFEST_MF)) {
return FileVisitResult.CONTINUE;
}
final String preinstall = new Manifest(Files.newInputStream(file))
.getMainAttributes()
.getValue(X_JDISC_PREINSTALL_BUNDLE);
if (preinstall == null) {
return FileVisitResult.CONTINUE;
}
for (String bundle : preinstall.split(",")) {
printDependency(args[1], bundle);
}
return super.visitFile(file, attrs);
}
});
}
private static void printDependency(String pomFormat, String bundle) throws IOException {
bundle = bundle.trim();
if (bundle.isEmpty()) {
return;
}
if (bundle.endsWith(REMOVABLE_SUFFIX)) {
bundle = bundle.substring(0, bundle.length() - REMOVABLE_SUFFIX.length());
}
if (bundle.endsWith(REMOVABLE_ASSEMBLY_ID)) {
bundle = bundle.substring(0, bundle.length() - REMOVABLE_ASSEMBLY_ID.length());
}
Path pom = Paths.get(String.format(pomFormat, bundle));
if (!Files.exists(pom)) {
return;
}
Model model;
try {
model = new MavenXpp3Reader().read(Files.newBufferedReader(pom, StandardCharsets.UTF_8));
} catch (XmlPullParserException e) {
e.printStackTrace();
return;
}
model.setPomFile(pom.toFile());
final MavenProject project = new MavenProject(model);
System.out.println(project.getGroupId() + ":" +
project.getArtifactId() + ":jar:" +
project.getVersion() + ":compile");
}
}
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