File: OsgiWrapper.java

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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

package com.google.protobuf.osgi;

import aQute.bnd.osgi.Analyzer;
import aQute.bnd.osgi.Jar;
import java.io.File;
import java.util.Arrays;
import java.util.concurrent.Callable;
import java.util.jar.Manifest;
import java.util.stream.Collectors;
import picocli.CommandLine;
import picocli.CommandLine.Command;
import picocli.CommandLine.Option;

/** Java binary that runs bndlib to analyze a jar file to generate OSGi bundle manifest. */
@Command(name = "osgi_wrapper")
public final class OsgiWrapper implements Callable<Integer> {
  private static final String REMOVEHEADERS =
      Arrays.stream(
              new String[] {
                "Embed-Dependency",
                "Embed-Transitive",
                "Built-By",
                // "Tool",
                "Created-By",
                // "Build-Jdk",
                "Originally-Created-By",
                "Archiver-Version",
                "Include-Resource",
                "Private-Package",
                "Ignore-Package",
                // "Bnd-LastModified",
                "Target-Label"
              })
          .collect(Collectors.joining(","));

  @Option(
      names = {"--input_jar"},
      description = "The jar file to wrap with OSGi metadata")
  private File inputJar;

  @Option(
      names = {"--output_jar"},
      description = "Output path to the wrapped jar")
  private File outputJar;

  @Option(
      names = {"--classpath"},
      description = "The classpath that contains dependencies of the input jar, separated with :")
  private String classpath;

  @Option(
      names = {"--bundle_copyright"},
      description = "Copyright string for the bundle")
  private String bundleCopyright;

  @Option(
      names = {"--bundle_description"},
      description = "Description of the bundle")
  private String bundleDescription;

  @Option(
      names = {"--bundle_doc_url"},
      description = "Documentation URL for the bundle")
  private String bundleDocUrl;

  @Option(
      names = {"--bundle_license"},
      description = "URL for the license of the bundle")
  private String bundleLicense;

  @Option(
      names = {"--bundle_name"},
      description = "The name of the bundle")
  private String bundleName;

  @Option(
      names = {"--bundle_symbolic_name"},
      description = "The symbolic name of the bundle")
  private String bundleSymbolicName;

  @Option(
      names = {"--bundle_version"},
      description = "The version of the bundle")
  private String bundleVersion;

  @Option(
      names = {"--export_package"},
      description = "The exported packages from this bundle")
  private String exportPackage;

  @Option(
      names = {"--import_package"},
      description = "The imported packages from this bundle")
  private String importPackage;

  @Override
  public Integer call() throws Exception {
    Jar bin = new Jar(inputJar);

    Analyzer analyzer = new Analyzer();
    analyzer.setJar(bin);
    analyzer.setProperty(Analyzer.BUNDLE_NAME, bundleName);
    analyzer.setProperty(Analyzer.BUNDLE_SYMBOLICNAME, bundleSymbolicName);
    analyzer.setProperty(Analyzer.BUNDLE_VERSION, bundleVersion);
    analyzer.setProperty(Analyzer.IMPORT_PACKAGE, importPackage);
    analyzer.setProperty(Analyzer.EXPORT_PACKAGE, exportPackage);
    analyzer.setProperty(Analyzer.BUNDLE_DESCRIPTION, bundleDescription);
    analyzer.setProperty(Analyzer.BUNDLE_COPYRIGHT, bundleCopyright);
    analyzer.setProperty(Analyzer.BUNDLE_DOCURL, bundleDocUrl);
    analyzer.setProperty(Analyzer.BUNDLE_LICENSE, bundleLicense);
    analyzer.setProperty(Analyzer.REMOVEHEADERS, REMOVEHEADERS);

    if (classpath != null) {
      for (String dep : Arrays.asList(classpath.split(":"))) {
        analyzer.addClasspath(new File(dep));
      }
    }

    analyzer.analyze();

    Manifest manifest = analyzer.calcManifest();

    if (analyzer.isOk()) {
      analyzer.getJar().setManifest(manifest);
      if (analyzer.save(outputJar, true)) {
        return 0;
      }
    }
    return 1;
  }

  public static void main(String[] args) {
    int exitCode = new CommandLine(new OsgiWrapper()).execute(args);
    System.exit(exitCode);
  }
}