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Diffstat (limited to 'gnu/CORBA/DynAn/gnuDynFixed.java')
| -rw-r--r-- | gnu/CORBA/DynAn/gnuDynFixed.java | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/gnu/CORBA/DynAn/gnuDynFixed.java b/gnu/CORBA/DynAn/gnuDynFixed.java new file mode 100644 index 000000000..13ec24e6c --- /dev/null +++ b/gnu/CORBA/DynAn/gnuDynFixed.java @@ -0,0 +1,257 @@ +/* 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.CORBA.TypeCodePackage.*; +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 anyUndivideable + 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; + } +}
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