/** Handy class full of static functions that don't belong in util.Utility for pure ORB reasons. */
public final class ORBUtility {
  private ORBUtility() {}

  private static ORBUtilSystemException wrapper = ORBUtilSystemException.get(CORBALogDomains.UTIL);
  private static OMGSystemException omgWrapper = OMGSystemException.get(CORBALogDomains.UTIL);

  private static StructMember[] members = null;

  private static StructMember[] systemExceptionMembers(ORB orb) {
    if (members == null) {
      members = new StructMember[3];
      members[0] = new StructMember("id", orb.create_string_tc(0), null);
      members[1] = new StructMember("minor", orb.get_primitive_tc(TCKind.tk_long), null);
      members[2] = new StructMember("completed", orb.get_primitive_tc(TCKind.tk_long), null);
    }
    return members;
  }

  private static TypeCode getSystemExceptionTypeCode(ORB orb, String repID, String name) {
    synchronized (TypeCode.class) {
      return orb.create_exception_tc(repID, name, systemExceptionMembers(orb));
    }
  }

  private static boolean isSystemExceptionTypeCode(TypeCode type, ORB orb) {
    StructMember[] systemExceptionMembers = systemExceptionMembers(orb);
    try {
      return (type.kind().value() == TCKind._tk_except
          && type.member_count() == 3
          && type.member_type(0).equal(systemExceptionMembers[0].type)
          && type.member_type(1).equal(systemExceptionMembers[1].type)
          && type.member_type(2).equal(systemExceptionMembers[2].type));
    } catch (BadKind ex) {
      return false;
    } catch (org.omg.CORBA.TypeCodePackage.Bounds ex) {
      return false;
    }
  }

  /**
   * Static method for writing a CORBA standard exception to an Any.
   *
   * @param any The Any to write the SystemException into.
   */
  public static void insertSystemException(SystemException ex, Any any) {
    OutputStream out = any.create_output_stream();
    ORB orb = (ORB) (out.orb());
    String name = ex.getClass().getName();
    String repID = ORBUtility.repositoryIdOf(name);
    out.write_string(repID);
    out.write_long(ex.minor);
    out.write_long(ex.completed.value());
    any.read_value(out.create_input_stream(), getSystemExceptionTypeCode(orb, repID, name));
  }

  public static SystemException extractSystemException(Any any) {
    InputStream in = any.create_input_stream();
    ORB orb = (ORB) (in.orb());
    if (!isSystemExceptionTypeCode(any.type(), orb)) {
      throw wrapper.unknownDsiSysex(CompletionStatus.COMPLETED_MAYBE);
    }
    return ORBUtility.readSystemException(in);
  }

  /** Return default ValueHandler */
  public static ValueHandler createValueHandler() {
    return Util.createValueHandler();
  }

  /**
   * Returns true if it was accurately determined that the remote ORB is a foreign (non-JavaSoft)
   * ORB. Note: If passed the ORBSingleton, this will return false.
   */
  public static boolean isForeignORB(ORB orb) {
    if (orb == null) return false;

    try {
      return orb.getORBVersion().equals(ORBVersionFactory.getFOREIGN());
    } catch (SecurityException se) {
      return false;
    }
  }

  /**
   * Unmarshal a byte array to an integer. Assume the bytes are in BIGENDIAN order. i.e.
   * array[offset] is the most-significant-byte and array[offset+3] is the least-significant-byte.
   *
   * @param array The array of bytes.
   * @param offset The offset from which to start unmarshalling.
   */
  public static int bytesToInt(byte[] array, int offset) {
    int b1, b2, b3, b4;

    b1 = (array[offset++] << 24) & 0xFF000000;
    b2 = (array[offset++] << 16) & 0x00FF0000;
    b3 = (array[offset++] << 8) & 0x0000FF00;
    b4 = (array[offset++] << 0) & 0x000000FF;

    return (b1 | b2 | b3 | b4);
  }

  /**
   * Marshal an integer to a byte array. The bytes are in BIGENDIAN order. i.e. array[offset] is the
   * most-significant-byte and array[offset+3] is the least-significant-byte.
   *
   * @param array The array of bytes.
   * @param offset The offset from which to start marshalling.
   */
  public static void intToBytes(int value, byte[] array, int offset) {
    array[offset++] = (byte) ((value >>> 24) & 0xFF);
    array[offset++] = (byte) ((value >>> 16) & 0xFF);
    array[offset++] = (byte) ((value >>> 8) & 0xFF);
    array[offset++] = (byte) ((value >>> 0) & 0xFF);
  }

  /** Converts an Ascii Character into Hexadecimal digit */
  public static int hexOf(char x) {
    int val;

    val = x - '0';
    if (val >= 0 && val <= 9) return val;

    val = (x - 'a') + 10;
    if (val >= 10 && val <= 15) return val;

    val = (x - 'A') + 10;
    if (val >= 10 && val <= 15) return val;

    throw wrapper.badHexDigit();
  }

  // method moved from util.Utility

  /**
   * Static method for writing a CORBA standard exception to a stream.
   *
   * @param strm The OutputStream to use for marshaling.
   */
  public static void writeSystemException(SystemException ex, OutputStream strm) {
    String s;

    s = repositoryIdOf(ex.getClass().getName());
    strm.write_string(s);
    strm.write_long(ex.minor);
    strm.write_long(ex.completed.value());
  }

  /**
   * Static method for reading a CORBA standard exception from a stream.
   *
   * @param strm The InputStream to use for unmarshaling.
   */
  public static SystemException readSystemException(InputStream strm) {
    try {
      String name = classNameOf(strm.read_string());
      SystemException ex = (SystemException) ORBClassLoader.loadClass(name).newInstance();
      ex.minor = strm.read_long();
      ex.completed = CompletionStatus.from_int(strm.read_long());
      return ex;
    } catch (Exception ex) {
      throw wrapper.unknownSysex(CompletionStatus.COMPLETED_MAYBE, ex);
    }
  }

  /**
   * Get the class name corresponding to a particular repository Id. This is used by the system to
   * unmarshal (instantiate) the appropriate exception class for an marshaled as the value of its
   * repository Id.
   *
   * @param repositoryId The repository Id for which we want a class name.
   */
  public static String classNameOf(String repositoryId) {
    String className = null;

    className = (String) exceptionClassNames.get(repositoryId);
    if (className == null) className = "org.omg.CORBA.UNKNOWN";

    return className;
  }

  /**
   * Return true if this repositoryId is a SystemException.
   *
   * @param repositoryId The repository Id to check.
   */
  public static boolean isSystemException(String repositoryId) {
    String className = null;

    className = (String) exceptionClassNames.get(repositoryId);
    if (className == null) return false;
    else return true;
  }

  /** @return the Java serialization encoding version. */
  public static byte getEncodingVersion(ORB orb, IOR ior) {

    // Is Java serialization enabled?
    // Check the JavaSerializationComponent (tagged component)
    // in the IIOPProfile. If present, the peer ORB's GIOP is capable
    // of using Java serialization instead of CDR serialization.
    // In such a case, use Java serialization, iff the java serialization
    // versions match.

    if (orb.getORBData().isJavaSerializationEnabled()) {
      IIOPProfile prof = ior.getProfile();
      IIOPProfileTemplate profTemp = (IIOPProfileTemplate) prof.getTaggedProfileTemplate();
      java.util.Iterator iter = profTemp.iteratorById(ORBConstants.TAG_JAVA_SERIALIZATION_ID);
      if (iter.hasNext()) {
        JavaSerializationComponent jc = (JavaSerializationComponent) iter.next();
        byte jcVersion = jc.javaSerializationVersion();
        if (jcVersion >= Message.JAVA_ENC_VERSION) {
          return Message.JAVA_ENC_VERSION;
        } else if (jcVersion > Message.CDR_ENC_VERSION) {
          return jc.javaSerializationVersion();
        } else {
          // throw error?
          // Since encodingVersion is <= 0 (CDR_ENC_VERSION).
        }
      }
    }
    return Message.CDR_ENC_VERSION; // default
  }

  /**
   * Get the repository id corresponding to a particular class. This is used by the system to write
   * the appropriate repository id for a system exception.
   *
   * @param name The class name of the system exception.
   */
  public static String repositoryIdOf(String name) {
    String id;

    id = (String) exceptionRepositoryIds.get(name);
    if (id == null) id = "IDL:omg.org/CORBA/UNKNOWN:1.0";

    return id;
  }

  private static final Hashtable exceptionClassNames = new Hashtable();
  private static final Hashtable exceptionRepositoryIds = new Hashtable();

  static {

    //
    // construct repositoryId -> className hashtable
    //
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_CONTEXT:1.0", "org.omg.CORBA.BAD_CONTEXT");
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_INV_ORDER:1.0", "org.omg.CORBA.BAD_INV_ORDER");
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_OPERATION:1.0", "org.omg.CORBA.BAD_OPERATION");
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_PARAM:1.0", "org.omg.CORBA.BAD_PARAM");
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_TYPECODE:1.0", "org.omg.CORBA.BAD_TYPECODE");
    exceptionClassNames.put("IDL:omg.org/CORBA/COMM_FAILURE:1.0", "org.omg.CORBA.COMM_FAILURE");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/DATA_CONVERSION:1.0", "org.omg.CORBA.DATA_CONVERSION");
    exceptionClassNames.put("IDL:omg.org/CORBA/IMP_LIMIT:1.0", "org.omg.CORBA.IMP_LIMIT");
    exceptionClassNames.put("IDL:omg.org/CORBA/INTF_REPOS:1.0", "org.omg.CORBA.INTF_REPOS");
    exceptionClassNames.put("IDL:omg.org/CORBA/INTERNAL:1.0", "org.omg.CORBA.INTERNAL");
    exceptionClassNames.put("IDL:omg.org/CORBA/INV_FLAG:1.0", "org.omg.CORBA.INV_FLAG");
    exceptionClassNames.put("IDL:omg.org/CORBA/INV_IDENT:1.0", "org.omg.CORBA.INV_IDENT");
    exceptionClassNames.put("IDL:omg.org/CORBA/INV_OBJREF:1.0", "org.omg.CORBA.INV_OBJREF");
    exceptionClassNames.put("IDL:omg.org/CORBA/MARSHAL:1.0", "org.omg.CORBA.MARSHAL");
    exceptionClassNames.put("IDL:omg.org/CORBA/NO_MEMORY:1.0", "org.omg.CORBA.NO_MEMORY");
    exceptionClassNames.put("IDL:omg.org/CORBA/FREE_MEM:1.0", "org.omg.CORBA.FREE_MEM");
    exceptionClassNames.put("IDL:omg.org/CORBA/NO_IMPLEMENT:1.0", "org.omg.CORBA.NO_IMPLEMENT");
    exceptionClassNames.put("IDL:omg.org/CORBA/NO_PERMISSION:1.0", "org.omg.CORBA.NO_PERMISSION");
    exceptionClassNames.put("IDL:omg.org/CORBA/NO_RESOURCES:1.0", "org.omg.CORBA.NO_RESOURCES");
    exceptionClassNames.put("IDL:omg.org/CORBA/NO_RESPONSE:1.0", "org.omg.CORBA.NO_RESPONSE");
    exceptionClassNames.put("IDL:omg.org/CORBA/OBJ_ADAPTER:1.0", "org.omg.CORBA.OBJ_ADAPTER");
    exceptionClassNames.put("IDL:omg.org/CORBA/INITIALIZE:1.0", "org.omg.CORBA.INITIALIZE");
    exceptionClassNames.put("IDL:omg.org/CORBA/PERSIST_STORE:1.0", "org.omg.CORBA.PERSIST_STORE");
    exceptionClassNames.put("IDL:omg.org/CORBA/TRANSIENT:1.0", "org.omg.CORBA.TRANSIENT");
    exceptionClassNames.put("IDL:omg.org/CORBA/UNKNOWN:1.0", "org.omg.CORBA.UNKNOWN");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/OBJECT_NOT_EXIST:1.0", "org.omg.CORBA.OBJECT_NOT_EXIST");

    // SystemExceptions from OMG Transactions Service Spec
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/INVALID_TRANSACTION:1.0", "org.omg.CORBA.INVALID_TRANSACTION");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/TRANSACTION_REQUIRED:1.0", "org.omg.CORBA.TRANSACTION_REQUIRED");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/TRANSACTION_ROLLEDBACK:1.0", "org.omg.CORBA.TRANSACTION_ROLLEDBACK");

    // from portability RTF 98-07-01.txt
    exceptionClassNames.put("IDL:omg.org/CORBA/INV_POLICY:1.0", "org.omg.CORBA.INV_POLICY");

    // from orbrev/00-09-01 (CORBA 2.4 Draft Specification)
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/TRANSACTION_UNAVAILABLE:1.0", "org.omg.CORBA.TRANSACTION_UNAVAILABLE");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/TRANSACTION_MODE:1.0", "org.omg.CORBA.TRANSACTION_MODE");

    // Exception types introduced between CORBA 2.4 and 3.0
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/CODESET_INCOMPATIBLE:1.0", "org.omg.CORBA.CODESET_INCOMPATIBLE");
    exceptionClassNames.put("IDL:omg.org/CORBA/REBIND:1.0", "org.omg.CORBA.REBIND");
    exceptionClassNames.put("IDL:omg.org/CORBA/TIMEOUT:1.0", "org.omg.CORBA.TIMEOUT");
    exceptionClassNames.put("IDL:omg.org/CORBA/BAD_QOS:1.0", "org.omg.CORBA.BAD_QOS");

    // Exception types introduced in CORBA 3.0
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/INVALID_ACTIVITY:1.0", "org.omg.CORBA.INVALID_ACTIVITY");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/ACTIVITY_COMPLETED:1.0", "org.omg.CORBA.ACTIVITY_COMPLETED");
    exceptionClassNames.put(
        "IDL:omg.org/CORBA/ACTIVITY_REQUIRED:1.0", "org.omg.CORBA.ACTIVITY_REQUIRED");

    //
    // construct className -> repositoryId hashtable
    //
    Enumeration keys = exceptionClassNames.keys();
    java.lang.Object s;
    String rId;
    String cName;

    try {
      while (keys.hasMoreElements()) {
        s = keys.nextElement();
        rId = (String) s;
        cName = (String) exceptionClassNames.get(rId);
        exceptionRepositoryIds.put(cName, rId);
      }
    } catch (NoSuchElementException e) {
    }
  }

  /**
   * Parse a version string such as "1.1.6" or "jdk1.2fcs" into a version array of integers {1, 1,
   * 6} or {1, 2}. A string of "n." or "n..m" is equivalent to "n.0" or "n.0.m" respectively.
   */
  public static int[] parseVersion(String version) {
    if (version == null) return new int[0];
    char[] s = version.toCharArray();
    // find the maximum span of the string "n.n.n..." where n is an integer
    int start = 0;
    for (; start < s.length && (s[start] < '0' || s[start] > '9'); ++start)
      if (start == s.length) // no digit found
      return new int[0];
    int end = start + 1;
    int size = 1;
    for (; end < s.length; ++end)
      if (s[end] == '.') ++size;
      else if (s[end] < '0' || s[end] > '9') break;
    int[] val = new int[size];
    for (int i = 0; i < size; ++i) {
      int dot = version.indexOf('.', start);
      if (dot == -1 || dot > end) dot = end;
      if (start >= dot) // cases like "n." or "n..m"
      val[i] = 0; // convert equivalent to "n.0" or "n.0.m"
      else val[i] = Integer.parseInt(version.substring(start, dot));
      start = dot + 1;
    }
    return val;
  }

  /**
   * Compare two version arrays. Return 1, 0 or -1 if v1 is greater than, equal to, or less than v2.
   */
  public static int compareVersion(int[] v1, int[] v2) {
    if (v1 == null) v1 = new int[0];
    if (v2 == null) v2 = new int[0];
    for (int i = 0; i < v1.length; ++i) {
      if (i >= v2.length || v1[i] > v2[i]) // v1 is longer or greater than v2
      return 1;
      if (v1[i] < v2[i]) return -1;
    }
    return v1.length == v2.length ? 0 : -1;
  }

  /**
   * Compare two version strings. Return 1, 0 or -1 if v1 is greater than, equal to, or less than
   * v2.
   */
  public static synchronized int compareVersion(String v1, String v2) {
    return compareVersion(parseVersion(v1), parseVersion(v2));
  }

  private static String compressClassName(String name) {
    // Note that this must end in . in order to be renamed correctly.
    String prefix = "com.sun.corba.se.";
    if (name.startsWith(prefix)) {
      return "(ORB)." + name.substring(prefix.length());
    } else return name;
  }

  // Return a compressed representation of the thread name.  This is particularly
  // useful on the server side, where there are many SelectReaderThreads, and
  // we need a short unambiguous name for such threads.
  public static String getThreadName(Thread thr) {
    if (thr == null) return "null";

    // This depends on the formatting in SelectReaderThread and CorbaConnectionImpl.
    // Pattern for SelectReaderThreads:
    // SelectReaderThread CorbaConnectionImpl[ <host> <post> <state>]
    // Any other pattern in the Thread's name is just returned.
    String name = thr.getName();
    StringTokenizer st = new StringTokenizer(name);
    int numTokens = st.countTokens();
    if (numTokens != 5) return name;

    String[] tokens = new String[numTokens];
    for (int ctr = 0; ctr < numTokens; ctr++) tokens[ctr] = st.nextToken();

    if (!tokens[0].equals("SelectReaderThread")) return name;

    return "SelectReaderThread[" + tokens[2] + ":" + tokens[3] + "]";
  }

  private static String formatStackTraceElement(StackTraceElement ste) {
    return compressClassName(ste.getClassName())
        + "."
        + ste.getMethodName()
        + (ste.isNativeMethod()
            ? "(Native Method)"
            : (ste.getFileName() != null && ste.getLineNumber() >= 0
                ? "(" + ste.getFileName() + ":" + ste.getLineNumber() + ")"
                : (ste.getFileName() != null
                    ? "(" + ste.getFileName() + ")"
                    : "(Unknown Source)")));
  }

  private static void printStackTrace(StackTraceElement[] trace) {
    System.out.println("    Stack Trace:");
    // print the stack trace, ommitting the zeroth element, which is
    // always this method.
    for (int ctr = 1; ctr < trace.length; ctr++) {
      System.out.print("        >");
      System.out.println(formatStackTraceElement(trace[ctr]));
    }
  }

  //
  // Implements all dprint calls in this package.
  //
  public static synchronized void dprint(java.lang.Object obj, String msg) {
    System.out.println(
        compressClassName(obj.getClass().getName())
            + "("
            + getThreadName(Thread.currentThread())
            + "): "
            + msg);
  }

  public static synchronized void dprint(String className, String msg) {
    System.out.println(
        compressClassName(className) + "(" + getThreadName(Thread.currentThread()) + "): " + msg);
  }

  public synchronized void dprint(String msg) {
    ORBUtility.dprint(this, msg);
  }

  public static synchronized void dprintTrace(Object obj, String msg) {
    ORBUtility.dprint(obj, msg);

    Throwable thr = new Throwable();
    printStackTrace(thr.getStackTrace());
  }

  public static synchronized void dprint(java.lang.Object caller, String msg, Throwable t) {
    System.out.println(
        compressClassName(caller.getClass().getName())
            + '('
            + Thread.currentThread()
            + "): "
            + msg);

    if (t != null) printStackTrace(t.getStackTrace());
  }

  public static String[] concatenateStringArrays(String[] arr1, String[] arr2) {
    String[] result = new String[arr1.length + arr2.length];

    for (int ctr = 0; ctr < arr1.length; ctr++) result[ctr] = arr1[ctr];

    for (int ctr = 0; ctr < arr2.length; ctr++) result[ctr + arr1.length] = arr2[ctr];

    return result;
  }

  /**
   * Throws the CORBA equivalent of a java.io.NotSerializableException
   *
   * <p>Duplicated from util/Utility for Pure ORB reasons. There are two reasons for this:
   *
   * <p>1) We can't introduce dependencies on the util version from outside of the io/util packages
   * since it will not exist in the pure ORB build running on JDK 1.3.x.
   *
   * <p>2) We need to pick up the correct minor code from OMGSystemException.
   */
  public static void throwNotSerializableForCorba(String className) {
    throw omgWrapper.notSerializable(CompletionStatus.COMPLETED_MAYBE, className);
  }

  /** Returns the maximum stream format version supported by our ValueHandler. */
  public static byte getMaxStreamFormatVersion() {
    ValueHandler vh = Util.createValueHandler();

    if (!(vh instanceof javax.rmi.CORBA.ValueHandlerMultiFormat))
      return ORBConstants.STREAM_FORMAT_VERSION_1;
    else return ((ValueHandlerMultiFormat) vh).getMaximumStreamFormatVersion();
  }

  public static CorbaClientDelegate makeClientDelegate(IOR ior) {
    ORB orb = ior.getORB();
    CorbaContactInfoList ccil = orb.getCorbaContactInfoListFactory().create(ior);
    CorbaClientDelegate del = orb.getClientDelegateFactory().create(ccil);
    return del;
  }

  /** This method is used to create untyped object references. */
  public static org.omg.CORBA.Object makeObjectReference(IOR ior) {
    CorbaClientDelegate del = makeClientDelegate(ior);
    org.omg.CORBA.Object objectImpl = new CORBAObjectImpl();
    StubAdapter.setDelegate(objectImpl, del);
    return objectImpl;
  }

  /**
   * This method obtains an IOR from a CORBA object reference. It will return null if obj is a local
   * object, a null object, or an object implemented by a different ORB. It will throw BAD_OPERATION
   * if obj is an unconnected RMI-IIOP object.
   *
   * @return IOR the IOR that represents this objref. This will never be null.
   * @exception BAD_OPERATION (from oi._get_delegate) if obj is a normal objref, but does not have a
   *     delegate set.
   * @exception BAD_PARAM if obj is a local object, or else was created by a foreign ORB.
   */
  public static IOR getIOR(org.omg.CORBA.Object obj) {
    if (obj == null) throw wrapper.nullObjectReference();

    IOR ior = null;
    if (StubAdapter.isStub(obj)) {
      org.omg.CORBA.portable.Delegate del = StubAdapter.getDelegate(obj);

      if (del instanceof CorbaClientDelegate) {
        CorbaClientDelegate cdel = (CorbaClientDelegate) del;
        ContactInfoList cil = cdel.getContactInfoList();

        if (cil instanceof CorbaContactInfoList) {
          CorbaContactInfoList ccil = (CorbaContactInfoList) cil;
          ior = ccil.getTargetIOR();
          if (ior == null) throw wrapper.nullIor();

          return ior;
        } else {
          // This is our code, but the ContactInfoList is not a
          // CorbaContactInfoList.  This should not happen, because
          // we are in the CORBA application of the DCSA framework.
          // This is a coding error, and thus an INTERNAL exception
          // should be thrown.
          // XXX needs minor code
          throw new INTERNAL();
        }
      }

      // obj is implemented by a foreign ORB, because the Delegate is not a
      // ClientDelegate.
      // XXX this case could be handled by marshalling and
      // unmarshalling.  However, object_to_string cannot be used
      // here, as it is implemented with getIOR.  Note that this
      // will require access to an ORB, so that we can create streams
      // as needed.  The ORB is available simply as io._orb().
      throw wrapper.objrefFromForeignOrb();
    } else throw wrapper.localObjectNotAllowed();
  }

  /**
   * Obtains an IOR for the object reference obj, first connecting it to the ORB if necessary.
   *
   * @return IOR the IOR that represents this objref. This will never be null.
   * @exception BAD_OPERATION if the object could not be connected, if a connection attempt was
   *     needed.
   * @exception BAD_PARAM if obj is a local object, or else was created by a foreign ORB.
   */
  public static IOR connectAndGetIOR(ORB orb, org.omg.CORBA.Object obj) {
    IOR result;
    try {
      result = getIOR(obj);
    } catch (BAD_OPERATION bop) {
      if (StubAdapter.isStub(obj)) {
        try {
          StubAdapter.connect(obj, orb);
        } catch (java.rmi.RemoteException exc) {
          throw wrapper.connectingServant(exc);
        }
      } else {
        orb.connect(obj);
      }

      result = getIOR(obj);
    }

    return result;
  }

  public static String operationNameAndRequestId(CorbaMessageMediator m) {
    return "op/" + m.getOperationName() + " id/" + m.getRequestId();
  }

  public static boolean isPrintable(char c) {
    if (Character.isJavaIdentifierStart(c)) {
      // Letters and $ _
      return true;
    }
    if (Character.isDigit(c)) {
      return true;
    }
    switch (Character.getType(c)) {
      case Character.MODIFIER_SYMBOL:
        return true; // ` ^
      case Character.DASH_PUNCTUATION:
        return true; // -
      case Character.MATH_SYMBOL:
        return true; // = ~ + | < >
      case Character.OTHER_PUNCTUATION:
        return true; // !@#%&*;':",./?
      case Character.START_PUNCTUATION:
        return true; // ( [ {
      case Character.END_PUNCTUATION:
        return true; // ) ] }
    }
    return false;
  }

  public static String getClassSecurityInfo(final Class cl) {
    // Returns a String which looks similar to:
    // PermissionCollection java.security.Permissions@1053693 ...
    // (java.io.FilePermission <<ALL FILES>> ....)
    // (java.io.FilePermission /export0/sunwappserv/lib/- ...)
    // ... other permissions ...
    // Domain ProtectionDomain  (file:/export0/sunwappserv/lib-)
    // java.security.Permissions@141fedb (
    // (java.io.FilePermission <<ALL FILES>> ...)
    // (java.io.FilePermission /var/tmp//- ...)

    String result =
        (String)
            AccessController.doPrivileged(
                new PrivilegedAction() {
                  public java.lang.Object run() {
                    StringBuffer sb = new StringBuffer(500);
                    ProtectionDomain pd = cl.getProtectionDomain();
                    Policy policy = Policy.getPolicy();
                    PermissionCollection pc = policy.getPermissions(pd);
                    sb.append("\nPermissionCollection ");
                    sb.append(pc.toString());
                    // Don't need to add 'Protection Domain' string, it's
                    // in ProtectionDomain.toString() already.
                    sb.append(pd.toString());
                    return sb.toString();
                  }
                });
    return result;
  }
}
Example #2
0
public abstract class InputStreamHook extends ObjectInputStream {
  // These should be visible in all the nested classes
  static final OMGSystemException omgWrapper = OMGSystemException.get(CORBALogDomains.RPC_ENCODING);

  static final UtilSystemException utilWrapper =
      UtilSystemException.get(CORBALogDomains.RPC_ENCODING);

  private class HookGetFields extends ObjectInputStream.GetField {
    private Map fields = null;

    HookGetFields(Map fields) {
      this.fields = fields;
    }

    /**
     * Get the ObjectStreamClass that describes the fields in the stream.
     *
     * <p>REVISIT! This doesn't work since we have our own ObjectStreamClass.
     */
    public java.io.ObjectStreamClass getObjectStreamClass() {
      return null;
    }

    /** Return true if the named field is defaulted and has no value in this stream. */
    public boolean defaulted(String name) throws IOException, IllegalArgumentException {
      return (!fields.containsKey(name));
    }

    /** Get the value of the named boolean field from the persistent field. */
    public boolean get(String name, boolean defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Boolean) fields.get(name)).booleanValue();
    }

    /** Get the value of the named char field from the persistent fields. */
    public char get(String name, char defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Character) fields.get(name)).charValue();
    }

    /** Get the value of the named byte field from the persistent fields. */
    public byte get(String name, byte defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Byte) fields.get(name)).byteValue();
    }

    /** Get the value of the named short field from the persistent fields. */
    public short get(String name, short defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Short) fields.get(name)).shortValue();
    }

    /** Get the value of the named int field from the persistent fields. */
    public int get(String name, int defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Integer) fields.get(name)).intValue();
    }

    /** Get the value of the named long field from the persistent fields. */
    public long get(String name, long defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Long) fields.get(name)).longValue();
    }

    /** Get the value of the named float field from the persistent fields. */
    public float get(String name, float defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Float) fields.get(name)).floatValue();
    }

    /** Get the value of the named double field from the persistent field. */
    public double get(String name, double defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return ((Double) fields.get(name)).doubleValue();
    }

    /** Get the value of the named Object field from the persistent field. */
    public Object get(String name, Object defvalue) throws IOException, IllegalArgumentException {
      if (defaulted(name)) return defvalue;
      else return fields.get(name);
    }

    public String toString() {
      return fields.toString();
    }
  }

  public InputStreamHook() throws IOException {
    super();
  }

  public void defaultReadObject() throws IOException, ClassNotFoundException, NotActiveException {
    readObjectState.beginDefaultReadObject(this);

    defaultReadObjectDelegate();

    readObjectState.endDefaultReadObject(this);
  }

  public abstract void defaultReadObjectDelegate();

  abstract void readFields(java.util.Map fieldToValueMap)
      throws java.io.InvalidClassException, java.io.StreamCorruptedException,
          ClassNotFoundException, java.io.IOException;

  // See java.io.ObjectInputStream.GetField
  // Remember that this is equivalent to defaultReadObject
  // in RMI-IIOP
  public ObjectInputStream.GetField readFields()
      throws IOException, ClassNotFoundException, NotActiveException {

    HashMap fieldValueMap = new HashMap();

    // We were treating readFields same as defaultReadObject. It is
    // incorrect if the state is readOptionalData. If this line
    // is uncommented, it will throw a stream corrupted exception.
    // _REVISIT_: The ideal fix would be to add a new state. In
    // writeObject user may do one of the following
    // 1. Call defaultWriteObject()
    // 2. Put out optional fields
    // 3. Call writeFields
    // We have the state defined for (1) and (2) but not for (3), so
    // we should ideally introduce a new state for 3 and have the
    // beginDefaultReadObject do nothing.
    // readObjectState.beginDefaultReadObject(this);

    readFields(fieldValueMap);

    readObjectState.endDefaultReadObject(this);

    return new HookGetFields(fieldValueMap);
  }

  // The following is a State pattern implementation of what
  // should be done when the sender's Serializable has a
  // writeObject method.  This was especially necessary for
  // RMI-IIOP stream format version 2.  Please see the
  // state diagrams in the docs directory of the workspace.
  //
  // On the reader's side, the main factors are whether or not
  // we have a readObject method and whether or not the
  // sender wrote default data

  protected void setState(ReadObjectState newState) {
    readObjectState = newState;
  }

  protected abstract byte getStreamFormatVersion();

  protected abstract org.omg.CORBA_2_3.portable.InputStream getOrbStream();

  // Description of possible actions
  protected static class ReadObjectState {
    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject)
        throws IOException {}

    public void endUnmarshalCustomValue(InputStreamHook stream) throws IOException {}

    public void beginDefaultReadObject(InputStreamHook stream) throws IOException {}

    public void endDefaultReadObject(InputStreamHook stream) throws IOException {}

    public void readData(InputStreamHook stream) throws IOException {}
  }

  protected ReadObjectState readObjectState = DEFAULT_STATE;

  protected static final ReadObjectState DEFAULT_STATE = new DefaultState();
  protected static final ReadObjectState IN_READ_OBJECT_OPT_DATA =
      new InReadObjectOptionalDataState();
  protected static final ReadObjectState IN_READ_OBJECT_NO_MORE_OPT_DATA =
      new InReadObjectNoMoreOptionalDataState();
  protected static final ReadObjectState IN_READ_OBJECT_DEFAULTS_SENT =
      new InReadObjectDefaultsSentState();
  protected static final ReadObjectState NO_READ_OBJECT_DEFAULTS_SENT =
      new NoReadObjectDefaultsSentState();

  protected static final ReadObjectState IN_READ_OBJECT_REMOTE_NOT_CUSTOM_MARSHALED =
      new InReadObjectRemoteDidNotUseWriteObjectState();
  protected static final ReadObjectState IN_READ_OBJECT_PAST_DEFAULTS_REMOTE_NOT_CUSTOM =
      new InReadObjectPastDefaultsRemoteDidNotUseWOState();

  protected static class DefaultState extends ReadObjectState {

    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject)
        throws IOException {

      if (hasReadObject) {
        if (calledDefaultWriteObject) stream.setState(IN_READ_OBJECT_DEFAULTS_SENT);
        else {
          try {
            if (stream.getStreamFormatVersion() == 2)
              ((ValueInputStream) stream.getOrbStream()).start_value();
          } catch (Exception e) {
            // This will happen for Big Integer which uses
            // writeFields in it's writeObject. We should be past
            // start_value by now.
            // NOTE: If we don't log any exception here we should
            // be fine. If there is an error, it will be caught
            // while reading the optional data.

          }
          stream.setState(IN_READ_OBJECT_OPT_DATA);
        }
      } else {
        if (calledDefaultWriteObject) stream.setState(NO_READ_OBJECT_DEFAULTS_SENT);
        else
          // XXX I18N and logging needed.
          throw new StreamCorruptedException("No default data sent");
      }
    }
  }

  // REVISIT.  If a readObject exits here without reading
  // default data, we won't skip it.  This could be done automatically
  // as in line 1492 in IIOPInputStream.
  protected static class InReadObjectRemoteDidNotUseWriteObjectState extends ReadObjectState {

    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject) {
      throw utilWrapper.badBeginUnmarshalCustomValue();
    }

    public void endDefaultReadObject(InputStreamHook stream) {
      stream.setState(IN_READ_OBJECT_PAST_DEFAULTS_REMOTE_NOT_CUSTOM);
    }

    public void readData(InputStreamHook stream) {
      stream.throwOptionalDataIncompatibleException();
    }
  }

  protected static class InReadObjectPastDefaultsRemoteDidNotUseWOState extends ReadObjectState {

    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject) {
      throw utilWrapper.badBeginUnmarshalCustomValue();
    }

    public void beginDefaultReadObject(InputStreamHook stream) throws IOException {
      // XXX I18N and logging needed.
      throw new StreamCorruptedException("Default data already read");
    }

    public void readData(InputStreamHook stream) {
      stream.throwOptionalDataIncompatibleException();
    }
  }

  protected void throwOptionalDataIncompatibleException() {
    throw omgWrapper.rmiiiopOptionalDataIncompatible2();
  }

  protected static class InReadObjectDefaultsSentState extends ReadObjectState {

    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject) {
      // This should never happen.
      throw utilWrapper.badBeginUnmarshalCustomValue();
    }

    public void endUnmarshalCustomValue(InputStreamHook stream) {

      // In stream format version 2, we can skip over
      // the optional data this way.  In stream format version 1,
      // we will probably wind up with an error if we're
      // unmarshaling a superclass.
      if (stream.getStreamFormatVersion() == 2) {
        ((ValueInputStream) stream.getOrbStream()).start_value();
        ((ValueInputStream) stream.getOrbStream()).end_value();
      }

      stream.setState(DEFAULT_STATE);
    }

    public void endDefaultReadObject(InputStreamHook stream) throws IOException {

      // Read the fake valuetype header in stream format version 2
      if (stream.getStreamFormatVersion() == 2)
        ((ValueInputStream) stream.getOrbStream()).start_value();

      stream.setState(IN_READ_OBJECT_OPT_DATA);
    }

    public void readData(InputStreamHook stream) throws IOException {
      org.omg.CORBA.ORB orb = stream.getOrbStream().orb();
      if ((orb == null) || !(orb instanceof com.sun.corba.se.spi.orb.ORB)) {
        throw new StreamCorruptedException("Default data must be read first");
      }
      ORBVersion clientOrbVersion = ((com.sun.corba.se.spi.orb.ORB) orb).getORBVersion();

      // Fix Date interop bug. For older versions of the ORB don't do
      // anything for readData(). Before this used to throw
      // StreamCorruptedException for older versions of the ORB where
      // calledDefaultWriteObject always returns true.
      if ((ORBVersionFactory.getPEORB().compareTo(clientOrbVersion) <= 0)
          || (clientOrbVersion.equals(ORBVersionFactory.getFOREIGN()))) {
        // XXX I18N and logging needed.
        throw new StreamCorruptedException("Default data must be read first");
      }
    }
  }

  protected static class InReadObjectOptionalDataState extends ReadObjectState {

    public void beginUnmarshalCustomValue(
        InputStreamHook stream, boolean calledDefaultWriteObject, boolean hasReadObject) {
      // This should never happen.
      throw utilWrapper.badBeginUnmarshalCustomValue();
    }

    public void endUnmarshalCustomValue(InputStreamHook stream) throws IOException {
      if (stream.getStreamFormatVersion() == 2) {
        ((ValueInputStream) stream.getOrbStream()).end_value();
      }
      stream.setState(DEFAULT_STATE);
    }

    public void beginDefaultReadObject(InputStreamHook stream) throws IOException {
      // XXX I18N and logging needed.
      throw new StreamCorruptedException("Default data not sent or already read/passed");
    }
  }

  protected static class InReadObjectNoMoreOptionalDataState extends InReadObjectOptionalDataState {

    public void readData(InputStreamHook stream) throws IOException {
      stream.throwOptionalDataIncompatibleException();
    }
  }

  protected static class NoReadObjectDefaultsSentState extends ReadObjectState {
    public void endUnmarshalCustomValue(InputStreamHook stream) throws IOException {
      // Code should read default fields before calling this

      if (stream.getStreamFormatVersion() == 2) {
        ((ValueInputStream) stream.getOrbStream()).start_value();
        ((ValueInputStream) stream.getOrbStream()).end_value();
      }

      stream.setState(DEFAULT_STATE);
    }
  }
}
/*     */ public class FVDCodeBaseImpl extends _CodeBaseImplBase
/*     */ {
  /*  58 */ private static Hashtable fvds = new Hashtable();
  /*     *//*  62 */ private transient ORB orb = null;
  /*     */
  /*  64 */ private transient OMGSystemException wrapper = OMGSystemException.get("rpc.encoding");
  /*     *//*  71 */ private transient ValueHandlerImpl vhandler = null;
  /*     */
  /*     */ void setValueHandler(ValueHandler paramValueHandler) /*     */ {
    /*  75 */ this.vhandler = ((ValueHandlerImpl) paramValueHandler);
    /*     */ }
  /*     */
  /*     */ public Repository get_ir() /*     */ {
    /*  80 */ return null;
    /*     */ }
  /*     */
  /*     */ public String implementation(String paramString) /*     */ {
    /*     */ try
    /*     */ {
      /*  88 */ if (this.vhandler == null) {
        /*  89 */ this.vhandler = ValueHandlerImpl.getInstance(false);
        /*     */ }
      /*     */
      /*  94 */ String str = Util.getCodebase(this.vhandler.getClassFromType(paramString));
      /*  95 */ if (str == null) {
        /*  96 */ return "";
        /*     */ }
      /*  98 */ return str;
      /*     */ } catch (ClassNotFoundException localClassNotFoundException) {
      /* 100 */ throw this.wrapper.missingLocalValueImpl(
          CompletionStatus.COMPLETED_MAYBE, localClassNotFoundException);
      /*     */ }
    /*     */ }
  /*     */
  /*     */ public String[] implementations(String[] paramArrayOfString) /*     */ {
    /* 106 */ String[] arrayOfString = new String[paramArrayOfString.length];
    /*     */
    /* 108 */ for (int i = 0; i < paramArrayOfString.length; i++) {
      /* 109 */ arrayOfString[i] = implementation(paramArrayOfString[i]);
      /*     */ }
    /* 111 */ return arrayOfString;
    /*     */ }
  /*     */
  /*     */ public FullValueDescription meta(String paramString) /*     */ {
    /*     */ try {
      /* 117 */ FullValueDescription localFullValueDescription =
          (FullValueDescription) fvds.get(paramString);
      /*     */
      /* 119 */ if (localFullValueDescription == null)
      /*     */ {
        /* 122 */ if (this.vhandler == null) {
          /* 123 */ this.vhandler = ValueHandlerImpl.getInstance(false);
          /*     */ }
        /*     */ try
        /*     */ {
          /* 127 */ localFullValueDescription =
              ValueUtility.translate(
                  _orb(),
                  ObjectStreamClass.lookup(this.vhandler.getAnyClassFromType(paramString)),
                  this.vhandler);
          /*     */ }
        /*     */ catch (Throwable localThrowable2) {
          /* 130 */ if (this.orb == null) /* 131 */ this.orb = ORB.init();
          /* 132 */ localFullValueDescription =
              ValueUtility.translate(
                  this.orb,
                  ObjectStreamClass.lookup(this.vhandler.getAnyClassFromType(paramString)),
                  this.vhandler);
          /*     */ }
        /*     */
        /* 136 */ if (localFullValueDescription != null)
          /* 137 */ fvds.put(paramString, localFullValueDescription);
        /*     */ else {
          /* 139 */ throw this.wrapper.missingLocalValueImpl(CompletionStatus.COMPLETED_MAYBE);
          /*     */ }
        /*     */ }
      /*     */
      /* 143 */ return localFullValueDescription;
      /*     */ } catch (Throwable localThrowable1) {
      /* 145 */ throw this.wrapper.incompatibleValueImpl(
          CompletionStatus.COMPLETED_MAYBE, localThrowable1);
      /*     */ }
    /*     */ }
  /*     */
  /*     */ public FullValueDescription[] metas(String[] paramArrayOfString) {
    /* 150 */ FullValueDescription[] arrayOfFullValueDescription =
        new FullValueDescription[paramArrayOfString.length];
    /*     */
    /* 152 */ for (int i = 0; i < paramArrayOfString.length; i++) {
      /* 153 */ arrayOfFullValueDescription[i] = meta(paramArrayOfString[i]);
      /*     */ }
    /* 155 */ return arrayOfFullValueDescription;
    /*     */ }
  /*     */
  /*     */ public String[] bases(String paramString) /*     */ {
    /*     */ try
    /*     */ {
      /* 163 */ if (this.vhandler == null) {
        /* 164 */ this.vhandler = ValueHandlerImpl.getInstance(false);
        /*     */ }
      /*     */
      /* 167 */ Stack localStack = new Stack();
      /* 168 */ Class localClass =
          ObjectStreamClass.lookup(this.vhandler.getClassFromType(paramString))
              .forClass()
              .getSuperclass();
      /*     */
      /* 170 */ while (!localClass.equals(Object.class)) {
        /* 171 */ localStack.push(this.vhandler.createForAnyType(localClass));
        /* 172 */ localClass = localClass.getSuperclass();
        /*     */ }
      /*     */
      /* 175 */ String[] arrayOfString = new String[localStack.size()];
      /* 176 */ for (int i = arrayOfString.length - 1; i >= 0; i++) {
        /* 177 */ arrayOfString[i] = ((String) localStack.pop());
        /*     */ }
      /* 179 */ return arrayOfString;
      /*     */ } catch (Throwable localThrowable) {
      /* 181 */ throw this.wrapper.missingLocalValueImpl(
          CompletionStatus.COMPLETED_MAYBE, localThrowable);
      /*     */ }
    /*     */ }
  /*     */ }