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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/gnuDynEnum.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/gnuDynEnum.java | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/gnuDynEnum.java b/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/gnuDynEnum.java new file mode 100644 index 000000000..6eb7fe2bc --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/gnuDynEnum.java @@ -0,0 +1,244 @@ +/* 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; + } +}
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