| /* gnuDynFixed.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 org.omg.CORBA.Any; |
| import org.omg.CORBA.BAD_OPERATION; |
| import org.omg.CORBA.BAD_PARAM; |
| import org.omg.CORBA.ORB; |
| import org.omg.CORBA.TypeCode; |
| import org.omg.DynamicAny.DynAny; |
| import org.omg.DynamicAny.DynAnyPackage.InvalidValue; |
| import org.omg.DynamicAny.DynAnyPackage.TypeMismatch; |
| import org.omg.DynamicAny.DynFixed; |
| import org.omg.DynamicAny.DynFixedOperations; |
| |
| import java.math.BigDecimal; |
| |
| /** |
| * Implements DynAny, holding CORBA <code>fixed</code>. This class is derived |
| * from gnuDynEnm to avoid repetetive inclusion of unused DynAny methods. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class gnuDynFixed extends UndivideableAny implements DynFixed |
| { |
| /** |
| * Use serialVersionUID for interoperability. |
| */ |
| private static final long serialVersionUID = 1; |
| |
| /** |
| * The default value, assigned in the new instance. |
| */ |
| static final BigDecimal ZERO = new BigDecimal("0.0"); |
| |
| /** |
| * The content of the dyn fixed, wrapped in this DynAny. |
| */ |
| BigDecimal value; |
| |
| /** |
| * The number of digits after the decimal point. |
| */ |
| final int scale; |
| |
| /** |
| * The number of digits. |
| */ |
| final int digits; |
| |
| /** |
| * Create a new instance of the dyn fixed. |
| */ |
| public gnuDynFixed(TypeCode oType, TypeCode aType, |
| gnuDynAnyFactory aFactory, ORB anOrb |
| ) |
| { |
| super(oType, aType, aFactory, anOrb); |
| try |
| { |
| digits = final_type.fixed_digits(); |
| scale = final_type.fixed_scale(); |
| } |
| catch (Exception e) |
| { |
| throw new BAD_PARAM("Not a fixed"); |
| } |
| value = ZERO; |
| } |
| |
| /** |
| * Clone the current instance. |
| */ |
| public gnuDynFixed(gnuDynFixed from) |
| { |
| super(from.official_type, from.final_type, from.factory, from.orb); |
| digits = from.digits; |
| scale = from.scale; |
| value = from.value; |
| } |
| |
| /** |
| * Get the value of the wrapped dyn fixed, as string. |
| */ |
| public String get_value() |
| { |
| return value.toString(); |
| } |
| |
| /** |
| * Set the value. |
| */ |
| public boolean set_value(String fixed_value) |
| throws TypeMismatch, InvalidValue |
| { |
| // Count the digits till decimal point. |
| int digs = 0; |
| char c; |
| boolean leading0 = true; |
| Digs: |
| for (int i = 0; i < fixed_value.length(); i++) |
| { |
| c = fixed_value.charAt(i); |
| if (Character.isDigit(c)) |
| { |
| if (!(c == '0' && leading0)) |
| digs++; |
| if (c != '0') |
| leading0 = false; |
| } |
| else if (c == '.') |
| break Digs; |
| } |
| if (digs > (digits - scale)) |
| throw new InvalidValue("Too many digits: " + digs + " for " + digits + |
| "." + scale |
| ); |
| |
| try |
| { |
| value = new BigDecimal(fixed_value); |
| } |
| catch (NumberFormatException ex) |
| { |
| if (fixed_value.trim().length() == 0) |
| throw new InvalidValue("Empty string passed"); |
| |
| TypeMismatch inva = |
| new TypeMismatch("Not a number: '" + fixed_value + "'"); |
| inva.initCause(ex); |
| throw inva; |
| } |
| |
| valueChanged(); |
| return value.scale() <= scale; |
| } |
| |
| /** |
| * Assign the value from another BigDecimal. |
| */ |
| public void assign(DynAny from) throws TypeMismatch |
| { |
| checkType(official_type, from.type()); |
| |
| if (from instanceof gnuDynFixed) |
| { |
| gnuDynFixed other = (gnuDynFixed) from; |
| value = other.value; |
| } |
| else if (from instanceof DynFixedOperations) |
| { |
| value = new BigDecimal(((DynFixedOperations) from).get_value()); |
| } |
| else |
| throw new TypeMismatch("Not a DynFixed"); |
| valueChanged(); |
| } |
| |
| /** |
| * Create a copy. |
| */ |
| public DynAny copy() |
| { |
| return new gnuDynFixed(this); |
| } |
| |
| /** |
| * Compare for equality. |
| */ |
| public boolean equal(DynAny other) |
| { |
| if (other instanceof gnuDynFixed) |
| { |
| // Normally, this code would be executed. |
| return value.equals(((gnuDynFixed) other).value); |
| } |
| if (other instanceof DynFixedOperations) |
| { |
| // This may be involved when mixing implementations. |
| return ((DynFixedOperations) other).get_value().equals(get_value()); |
| } |
| else |
| return false; |
| } |
| |
| /** |
| * Set the value from Any (must hold <code>fixed</code> with the matching |
| * typecode.). |
| */ |
| public void from_any(Any an_any) throws TypeMismatch, InvalidValue |
| { |
| try |
| { |
| checkType(official_type, an_any.type()); |
| |
| value = an_any.extract_fixed(); |
| valueChanged(); |
| } |
| catch (BAD_OPERATION e) |
| { |
| InvalidValue t = new InvalidValue(); |
| t.initCause(e); |
| throw t; |
| } |
| } |
| |
| /** |
| * Create and return Any, holding this DynFixed value. |
| */ |
| public Any to_any() |
| { |
| Any g = createAny(); |
| g.insert_fixed(value, official_type); |
| return g; |
| } |
| } |