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Java example source code file (TCUtility.java)

This example Java source code file (TCUtility.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

badkind, bigdecimal, cdrinputstream, cdroutputstream, corba, math, object, orbutilsystemexception, streamable, tcutility, typecode, util

The TCUtility.java Java example source code

/*
 * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/*
 * Licensed Materials - Property of IBM
 * RMI-IIOP v1.0
 * Copyright IBM Corp. 1998 1999  All Rights Reserved
 *
 */

package com.sun.corba.se.impl.corba;

import org.omg.CORBA.SystemException;
import org.omg.CORBA.CompletionStatus;
import org.omg.CORBA.UserException;
import org.omg.CORBA.TCKind;
import org.omg.CORBA.UNKNOWN;
import org.omg.CORBA.INTERNAL;
import org.omg.CORBA.NO_IMPLEMENT;
import org.omg.CORBA.Any;
import org.omg.CORBA.TypeCode;
import org.omg.CORBA.Principal;
import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;
import org.omg.CORBA.portable.Streamable;
import org.omg.CORBA.TypeCodePackage.BadKind;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.NoSuchElementException;

import com.sun.corba.se.impl.encoding.CDRInputStream;
import com.sun.corba.se.impl.encoding.CDROutputStream;
import java.io.Serializable;
import java.math.BigDecimal;
import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

/**
 *  Static functions for TypeCode interpretation.
 */
public final class TCUtility {

    static void marshalIn(org.omg.CORBA.portable.OutputStream s, TypeCode typeCode, long l, Object o) {
        switch (typeCode.kind().value()) {
        case TCKind._tk_null:
        case TCKind._tk_void:
        case TCKind._tk_native:
            // nothing to write
            break;

        case TCKind._tk_short:
            s.write_short((short)(l & 0xFFFFL));
            break;

        case TCKind._tk_ushort:
            s.write_ushort((short)(l & 0xFFFFL));
            break;

        case TCKind._tk_enum:
        case TCKind._tk_long:
            s.write_long((int)(l & 0xFFFFFFFFL));
            break;

        case TCKind._tk_ulong:
            s.write_ulong((int)(l & 0xFFFFFFFFL));
            break;

        case TCKind._tk_float:
            s.write_float(Float.intBitsToFloat((int)(l & 0xFFFFFFFFL)));
            break;

        case TCKind._tk_double:
            s.write_double(Double.longBitsToDouble(l));
            break;

        case TCKind._tk_boolean:
            if ( l == 0 )
                s.write_boolean(false);
            else
                s.write_boolean(true);
            break;

        case TCKind._tk_char:
            s.write_char((char)(l & 0xFFFFL));
            break;

        case TCKind._tk_octet:
            s.write_octet((byte)(l & 0xFFL));
            break;

        case TCKind._tk_any:
            s.write_any((Any)o);
            break;

        case TCKind._tk_TypeCode:
            s.write_TypeCode((TypeCode)o);
            break;

        case TCKind._tk_Principal:
            s.write_Principal((Principal)o);
            break;

        case TCKind._tk_objref:
            s.write_Object((org.omg.CORBA.Object)o);
            break;

        case TCKind._tk_longlong:
            s.write_longlong(l);
            break;

        case TCKind._tk_ulonglong:
            s.write_ulonglong(l);
            break;

        case TCKind._tk_wchar:
            s.write_wchar((char)(l & 0xFFFFL));
            break;

        case TCKind._tk_string:
            s.write_string((String)o);
            break;

        case TCKind._tk_wstring:
            s.write_wstring((String)o);
            break;

        case TCKind._tk_value:
        case TCKind._tk_value_box:
            ((org.omg.CORBA_2_3.portable.OutputStream)s).write_value((Serializable)o);
            break;

        case TCKind._tk_fixed:
            // _REVISIT_ As soon as the java-rtf adds digits and scale parameters to
            // OutputStream, this check will be unnecessary
            if (s instanceof CDROutputStream) {
                try {
                    ((CDROutputStream)s).write_fixed((BigDecimal)o,
                                                    typeCode.fixed_digits(),
                                                    typeCode.fixed_scale());
                } catch (BadKind badKind) { // impossible
                }
            } else {
                s.write_fixed((BigDecimal)o);
            }
            break;

        case TCKind._tk_struct:
        case TCKind._tk_union:
        case TCKind._tk_sequence:
        case TCKind._tk_array:
        case TCKind._tk_alias:
        case TCKind._tk_except:
            ((Streamable)o)._write(s);
            break;

        case TCKind._tk_abstract_interface:
            ((org.omg.CORBA_2_3.portable.OutputStream)s).write_abstract_interface(o);
            break;

        case TCKind._tk_longdouble:
            // Unspecified for Java
        default:
            ORBUtilSystemException wrapper = ORBUtilSystemException.get(
                (com.sun.corba.se.spi.orb.ORB)s.orb(),
                CORBALogDomains.RPC_PRESENTATION ) ;
            throw wrapper.typecodeNotSupported() ;
        }
    }

    static void unmarshalIn(org.omg.CORBA.portable.InputStream s, TypeCode typeCode, long[] la, Object[] oa)
    {
        int type = typeCode.kind().value();
        long l=0;
        Object o=oa[0];

        switch (type) {
        case TCKind._tk_null:
        case TCKind._tk_void:
        case TCKind._tk_native:
            // Nothing to read
            break;

        case TCKind._tk_short:
            l = s.read_short() & 0xFFFFL;
            break;

        case TCKind._tk_ushort:
            l = s.read_ushort() & 0xFFFFL;
            break;

        case TCKind._tk_enum:
        case TCKind._tk_long:
            l = s.read_long() & 0xFFFFFFFFL;
            break;

        case TCKind._tk_ulong:
            l = s.read_ulong() & 0xFFFFFFFFL;
            break;

        case TCKind._tk_float:
            l = Float.floatToIntBits(s.read_float()) & 0xFFFFFFFFL;
            break;

        case TCKind._tk_double:
            l = Double.doubleToLongBits(s.read_double());
            break;

        case TCKind._tk_char:
            l = s.read_char() & 0xFFFFL;
            break;

        case TCKind._tk_octet:
            l = s.read_octet() & 0xFFL;
            break;

        case TCKind._tk_boolean:
            if ( s.read_boolean() )
                l = 1;
            else
                l = 0;
            break;

        case TCKind._tk_any:
            o = s.read_any();
            break;

        case TCKind._tk_TypeCode:
            o = s.read_TypeCode();
            break;

        case TCKind._tk_Principal:
            o = s.read_Principal();
            break;

        case TCKind._tk_objref:
            if (o instanceof Streamable)
                ((Streamable)o)._read(s);
            else
                o = s.read_Object();
            break;

        case TCKind._tk_longlong:
            l = s.read_longlong();
            break;

        case TCKind._tk_ulonglong:
            l = s.read_ulonglong();
            break;

        case TCKind._tk_wchar:
            l = s.read_wchar() & 0xFFFFL;
            break;

        case TCKind._tk_string:
            o = s.read_string();
            break;

        case TCKind._tk_wstring:
            o = s.read_wstring();
            break;

        case TCKind._tk_value:
        case TCKind._tk_value_box:
            o = ((org.omg.CORBA_2_3.portable.InputStream)s).read_value ();
            break;

        case TCKind._tk_fixed:
            try {
                // _REVISIT_ As soon as the java-rtf adds digits and scale parameters to
                // InputStream, this check will be unnecessary
                if (s instanceof CDRInputStream) {
                    o = ((CDRInputStream)s).read_fixed(typeCode.fixed_digits(),
                                                                typeCode.fixed_scale());
                } else {
                    BigDecimal bigDecimal = s.read_fixed();
                    o = bigDecimal.movePointLeft((int)typeCode.fixed_scale());
                }
            } catch (BadKind badKind) { // impossible
            }
            break;

        case TCKind._tk_struct:
        case TCKind._tk_union:
        case TCKind._tk_sequence:
        case TCKind._tk_array:
        case TCKind._tk_alias:
        case TCKind._tk_except:
            ((Streamable)o)._read(s);
            break;

        case TCKind._tk_abstract_interface:
            o = ((org.omg.CORBA_2_3.portable.InputStream)s).read_abstract_interface();
            break;

        case TCKind._tk_longdouble:
            // Unspecified for Java
        default:
            ORBUtilSystemException wrapper = ORBUtilSystemException.get(
                (com.sun.corba.se.spi.orb.ORB)s.orb(),
                CORBALogDomains.RPC_PRESENTATION ) ;
            throw wrapper.typecodeNotSupported() ;
        }

        oa[0] = o;
        la[0] = l;
    }

}

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