private boolean _hasLazyActivationPolicy(Bundle bundle) {
    Dictionary<String, String> headers = bundle.getHeaders();

    String fragmentHost = headers.get(Constants.FRAGMENT_HOST);

    if (fragmentHost != null) {
      return false;
    }

    String activationPolicy = headers.get(Constants.BUNDLE_ACTIVATIONPOLICY);

    if (activationPolicy == null) {
      return false;
    }

    Parameters parameters = OSGiHeader.parseHeader(activationPolicy);

    if (parameters.containsKey(Constants.ACTIVATION_LAZY)) {
      return true;
    }

    return false;
  }
Ejemplo n.º 2
0
  /**
   * Create a standalone executable. All entries on the runpath are rolled out into the JAR and the
   * runbundles are copied to a directory in the jar. The launcher will see that it starts in
   * embedded mode and will automatically detect that it should load the bundles from inside. This
   * is drive by the launcher.embedded flag.
   *
   * @throws Exception
   */
  @Override
  public Jar executable() throws Exception {

    // TODO use constants in the future
    Parameters packageHeader = OSGiHeader.parseHeader(project.getProperty("-package"));
    boolean useShas = packageHeader.containsKey("jpm");
    project.trace("Useshas %s %s", useShas, packageHeader);

    Jar jar = new Jar(project.getName());

    Builder b = new Builder();
    project.addClose(b);

    if (!project.getIncludeResource().isEmpty()) {
      b.setIncludeResource(project.getIncludeResource().toString());
      b.setProperty(Constants.RESOURCEONLY, "true");
      b.build();
      if (b.isOk()) {
        jar.addAll(b.getJar());
      }
      project.getInfo(b);
    }

    List<String> runpath = getRunpath();

    Set<String> runpathShas = new LinkedHashSet<String>();
    Set<String> runbundleShas = new LinkedHashSet<String>();
    List<String> classpath = new ArrayList<String>();

    for (String path : runpath) {
      project.trace("embedding runpath %s", path);
      File file = new File(path);
      if (file.isFile()) {
        if (useShas) {
          String sha = SHA1.digest(file).asHex();
          runpathShas.add(sha + ";name=\"" + file.getName() + "\"");
        } else {
          String newPath = "jar/" + file.getName();
          jar.putResource(newPath, new FileResource(file));
          classpath.add(newPath);
        }
      }
    }

    // Copy the bundles to the JAR

    List<String> runbundles = (List<String>) getRunBundles();
    List<String> actualPaths = new ArrayList<String>();

    for (String path : runbundles) {
      project.trace("embedding run bundles %s", path);
      File file = new File(path);
      if (!file.isFile()) project.error("Invalid entry in -runbundles %s", file);
      else {
        if (useShas) {
          String sha = SHA1.digest(file).asHex();
          runbundleShas.add(sha + ";name=\"" + file.getName() + "\"");
          actualPaths.add("${JPMREPO}/" + sha);
        } else {
          String newPath = "jar/" + file.getName();
          jar.putResource(newPath, new FileResource(file));
          actualPaths.add(newPath);
        }
      }
    }

    LauncherConstants lc = getConstants(actualPaths, true);
    lc.embedded = !useShas;
    lc.storageDir = null; // cannot use local info

    final Properties p = lc.getProperties(new UTF8Properties());

    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    p.store(bout, "");
    jar.putResource(
        LauncherConstants.DEFAULT_LAUNCHER_PROPERTIES,
        new EmbeddedResource(bout.toByteArray(), 0L));

    Manifest m = new Manifest();
    Attributes main = m.getMainAttributes();

    for (Entry<Object, Object> e : project.getFlattenedProperties().entrySet()) {
      String key = (String) e.getKey();
      if (key.length() > 0 && Character.isUpperCase(key.charAt(0)))
        main.putValue(key, (String) e.getValue());
    }

    Instructions instructions = new Instructions(project.getProperty(Constants.REMOVEHEADERS));
    Collection<Object> result = instructions.select(main.keySet(), false);
    main.keySet().removeAll(result);

    if (useShas) {
      project.trace("Use JPM launcher");
      m.getMainAttributes().putValue("Main-Class", JPM_LAUNCHER_FQN);
      m.getMainAttributes().putValue("JPM-Classpath", Processor.join(runpathShas));
      m.getMainAttributes().putValue("JPM-Runbundles", Processor.join(runbundleShas));
      URLResource jpmLauncher = new URLResource(this.getClass().getResource("/" + JPM_LAUNCHER));
      jar.putResource(JPM_LAUNCHER, jpmLauncher);
      doStart(jar, JPM_LAUNCHER_FQN);
    } else {
      project.trace("Use Embedded launcher");
      m.getMainAttributes().putValue("Main-Class", EMBEDDED_LAUNCHER_FQN);
      m.getMainAttributes().putValue(EmbeddedLauncher.EMBEDDED_RUNPATH, Processor.join(classpath));
      URLResource embeddedLauncher =
          new URLResource(this.getClass().getResource("/" + EMBEDDED_LAUNCHER));
      jar.putResource(EMBEDDED_LAUNCHER, embeddedLauncher);
      doStart(jar, EMBEDDED_LAUNCHER_FQN);
    }
    if (project.getProperty(Constants.DIGESTS) != null)
      jar.setDigestAlgorithms(project.getProperty(Constants.DIGESTS).trim().split("\\s*,\\s*"));
    else jar.setDigestAlgorithms(new String[] {"SHA-1", "MD-5"});
    jar.setManifest(m);
    return jar;
  }