Java Code Examples for org.osgi.framework.Constants#RESOLUTION_MANDATORY

/**
 * Create an import package entry.
 */
ImportPkg(ExportPkg p) {
  this.name = p.name;
  this.bpkgs = p.bpkgs;
  this.resolution = Constants.RESOLUTION_MANDATORY;
  this.bundleSymbolicName = null;
  if (p.version == Version.emptyVersion) {
    this.packageRange = null;
  } else {
    this.packageRange = new VersionRange(p.version.toString());
  }
  this.bundleRange = null;
  this.attributes = p.attributes;
  // TODO, should we import unknown directives?
  final Map<String,String> dirs = new HashMap<String, String>();
  final Filter filter = toFilter();
  if (null!=filter) {
    dirs.put(Constants.FILTER_DIRECTIVE, filter.toString());
  }
  this.directives = Collections.unmodifiableMap(dirs);
  this.parent = null;
}
 

/**
 * Create an import package entry from manifest parser data.
 *
 * @param name the name of the package to be imported.
 * @param he the parsed import package statement.
 * @param b back link to the bundle revision owning this import declaration.
 * @param dynamic Set to true if this is a dynamic import package declaration.
 */
ImportPkg(final String name, final HeaderEntry he, final BundlePackages b,
          boolean dynamic)
{
  this.bpkgs = b;
  this.name = name;
  if (name.startsWith("java.")) {
    throw new IllegalArgumentException("You can not import a java.* package");
  }
  final Map<String, String> dirs = he.getDirectives();
  final String res = dirs.get(Constants.RESOLUTION_DIRECTIVE);
  if (dynamic) {
    if (res != null) {
      throw new IllegalArgumentException("Directives not supported for "
                                         + "Dynamic-Import, found "
                                         + Constants.RESOLUTION_DIRECTIVE
                                         + ":=" +res);
    }
    this.resolution = RESOLUTION_DYNAMIC;
  } else {
    if (res != null) {
      if (Constants.RESOLUTION_OPTIONAL.equals(res)) {
        this.resolution = Constants.RESOLUTION_OPTIONAL;
      } else if (Constants.RESOLUTION_MANDATORY.equals(res)) {
        this.resolution = Constants.RESOLUTION_MANDATORY;
      } else {
        throw new IllegalArgumentException("Directive " + Constants.RESOLUTION_DIRECTIVE +
                                           ", unexpected value: " + res);
      }
    } else {
      this.resolution = Constants.RESOLUTION_MANDATORY;
    }
  }
  this.bundleSymbolicName = (String) he.getAttributes()
      .remove(Constants.BUNDLE_SYMBOLICNAME_ATTRIBUTE);
  final String versionStr = (String) he.getAttributes()
      .remove(Constants.VERSION_ATTRIBUTE);
  final String specVersionStr = (String) he.getAttributes()
      .remove(PACKAGE_SPECIFICATION_VERSION);
  if (specVersionStr != null) {
    this.packageRange = new VersionRange(specVersionStr);
    if (versionStr != null && !this.packageRange.equals(new VersionRange(versionStr))) {
      throw new IllegalArgumentException("Both " + Constants.VERSION_ATTRIBUTE +
                                         " and " + PACKAGE_SPECIFICATION_VERSION +
                                         " are specified, but differs");
    }
  } else if (versionStr != null) {
    this.packageRange = new VersionRange(versionStr);
  } else {
    this.packageRange = null;
  }
  final String rangeStr = (String) he.getAttributes()
      .remove(Constants.BUNDLE_VERSION_ATTRIBUTE);
  if (rangeStr != null) {
    this.bundleRange = new VersionRange(rangeStr);
  } else {
    this.bundleRange = null;
  }
  this.attributes = Collections.unmodifiableMap(he.getAttributes());
  final Filter filter = toFilter();
  if (null!=filter) {
    dirs.put(Constants.FILTER_DIRECTIVE, filter.toString());
  }
  this.directives = Collections.unmodifiableMap(dirs);
  this.parent = null;
}
 

/**
 * A require bundle requirement.
 *
 * @param requestor
 *          The bundle packages of the fragment host that requires a bundle.
 * @param he
 *          The parsed require bundle header.
 */
RequireBundle(final BundlePackages requestor, final HeaderEntry he)
{
  this.requestor = requestor;
  this.name = he.getKey();

  final Map<String,String> dirs = he.getDirectives();
  final String visibility = dirs.get(Constants.VISIBILITY_DIRECTIVE);
  if (visibility != null) {
    this.visibility = visibility.intern();
    if (this.visibility!=Constants.VISIBILITY_PRIVATE &&
        this.visibility!=Constants.VISIBILITY_REEXPORT ) {
      throw new IllegalArgumentException
        ("Invalid directive : '"
         +Constants.VISIBILITY_DIRECTIVE +":="+this.visibility
         +"' in manifest header '"
         +Constants.REQUIRE_BUNDLE +": " +this.name
         +"' of bundle with id " +this.requestor.bg.bundle.getBundleId()
         +" ("+this.requestor.bg.symbolicName+")"
         +". The value must be either '"
         +Constants.VISIBILITY_PRIVATE  +"' or '"
         +Constants.VISIBILITY_REEXPORT +"'.");
    }
  } else {
    this.visibility = Constants.VISIBILITY_PRIVATE;
  }

  final String resolution = dirs.get(Constants.RESOLUTION_DIRECTIVE);
  if (resolution != null) {
    this.resolution = resolution.intern();
    if (this.resolution!=Constants.RESOLUTION_MANDATORY &&
        this.resolution!=Constants.RESOLUTION_OPTIONAL ) {
      throw new IllegalArgumentException
        ("Invalid directive : '"
         +Constants.RESOLUTION_DIRECTIVE +":="+this.resolution
         +"' in manifest header '"
         +Constants.REQUIRE_BUNDLE +": " +this.name
         +"' of bundle with id " +this.requestor.bg.bundle.getBundleId()
         +" ("+this.requestor.bg.symbolicName+")"
         +". The value must be either '"
         +Constants.RESOLUTION_MANDATORY +"' or '"
         +Constants.RESOLUTION_OPTIONAL  +"'.");
    }
  } else {
    this.resolution = Constants.RESOLUTION_MANDATORY;
  }

  this.attributes = he.getAttributes();
  final String range = (String) attributes.remove(Constants.BUNDLE_VERSION_ATTRIBUTE);
  if (range != null) {
    this.bundleRange = new VersionRange(range);
  } else {
    this.bundleRange = null;
  }
  final Filter filter = toFilter();
  if (null!=filter) {
    dirs.put(Constants.FILTER_DIRECTIVE, filter.toString());
  }
  this.directives = Collections.unmodifiableMap(dirs);
}
 

/**
 * Check if resolution is mandatory.
 *
 * @return True if okay, otherwise false.
 */
boolean mustBeResolved() {
  return resolution == Constants.RESOLUTION_MANDATORY;
}