| /* gnuDynEnum.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.CORBA.DynAn; |
| |
| import gnu.CORBA.Unexpected; |
| |
| import org.omg.CORBA.Any; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.MARSHAL; |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.DynamicAny.DynAny; |
| import org.omg.DynamicAny.DynAnyPackage.InvalidValue; |
| import org.omg.DynamicAny.DynAnyPackage.TypeMismatch; |
| import org.omg.DynamicAny.DynEnum; |
| |
| import java.io.IOException; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Our implementation of dynamic enumeration. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuDynEnum extends UndivideableAny implements DynEnum |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The valid string values of the enumeration. Most of enumerations are short, |
| * counting 2-5 memebers. With so small number of memebers, it seems not |
| * reasonable to use hashtables. |
| */ |
| final String[] values; |
| |
| /** |
| * The current value of enum. |
| */ |
| int current; |
| |
| /** |
| * Create a new dyn enum from the given typecode. |
| */ |
| public gnuDynEnum(TypeCode oType, TypeCode aType, gnuDynAnyFactory aFactory, |
| ORB anOrb |
| ) |
| { |
| super(oType, aType, aFactory, anOrb); |
| try |
| { |
| values = new String[ final_type.member_count() ]; |
| |
| for (int i = 0; i < values.length; i++) |
| { |
| values [ i ] = final_type.member_name(i); |
| } |
| } |
| catch (Exception e) |
| { |
| throw new BAD_PARAM("Not enum"); |
| } |
| } |
| |
| /** |
| * Create a clone of the given enum, sharing values and final_type. |
| */ |
| public gnuDynEnum(gnuDynEnum from) |
| { |
| super(from.official_type, from.final_type, from.factory, from.orb); |
| values = from.values; |
| } |
| |
| /** |
| * Assign the Enum from the passed value. The passed DynAny must hold the |
| * enumeration of exactly the same final_type. |
| */ |
| public void assign(DynAny from) throws TypeMismatch |
| { |
| checkType(official_type, from.type()); |
| if (!(from instanceof DynEnum)) |
| throw new TypeMismatch("Not a DynEnum"); |
| try |
| { |
| set_as_ulong(((DynEnum) from).get_as_ulong()); |
| } |
| catch (InvalidValue e) |
| { |
| TypeMismatch t = new TypeMismatch(); |
| t.initCause(e); |
| throw t; |
| } |
| } |
| |
| /** |
| * Copy this DynEnum. |
| */ |
| public DynAny copy() |
| { |
| gnuDynEnum other = new gnuDynEnum(this); |
| other.current = current; |
| return other; |
| } |
| |
| /** |
| * Compares for equality. |
| */ |
| public boolean equal(DynAny other) |
| { |
| if (other instanceof gnuDynEnum) |
| { |
| gnuDynEnum oe = (gnuDynEnum) other; |
| return current == oe.current && |
| (oe.values == values || Arrays.equals(values, oe.values)); |
| } |
| else if (other instanceof DynEnum) |
| { |
| DynEnum oe = (DynEnum) other; |
| return current == oe.get_as_ulong() && official_type.equal(oe.type()); |
| } |
| else |
| return false; |
| } |
| |
| /** |
| * Set value from any that must contain enumeration. |
| */ |
| public void from_any(Any an_any) throws TypeMismatch, InvalidValue |
| { |
| checkType(official_type, an_any.type()); |
| try |
| { |
| InputStream in = an_any.create_input_stream(); |
| set_as_ulong(in.read_long()); |
| in.close(); |
| } |
| catch (MARSHAL eof) |
| { |
| throw new InvalidValue(); |
| } |
| catch (IOException ex) |
| { |
| throw new Unexpected(ex); |
| } |
| } |
| |
| /** |
| * Get the value of this enumeration as string. |
| */ |
| public String get_as_string() |
| { |
| return values [ current ]; |
| } |
| |
| /** |
| * Get the value of this enumeration as int. |
| */ |
| public int get_as_ulong() |
| { |
| return current; |
| } |
| |
| /** |
| * Set the value of this enumeration as string. |
| */ |
| public void set_as_string(String value) throws InvalidValue |
| { |
| for (int i = 0; i < values.length; i++) |
| { |
| if (values [ i ].equals(value)) |
| { |
| current = i; |
| valueChanged(); |
| return; |
| } |
| } |
| throw new InvalidValue(value); |
| } |
| |
| /** |
| * Set the value of this enumeration as int. |
| */ |
| public void set_as_ulong(int value) throws InvalidValue |
| { |
| if (value < 0 || value >= values.length) |
| throw new InvalidValue(value + " not in [0.." + values.length); |
| else |
| { |
| current = value; |
| valueChanged(); |
| } |
| } |
| |
| /** |
| * Wrap the enumeration value into any. |
| */ |
| public Any to_any() |
| { |
| Any a = createAny(); |
| a.insert_long(current); |
| a.type(official_type); |
| return a; |
| } |
| } |