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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/RecordAny.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/RecordAny.java | 405 |
1 files changed, 405 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/RecordAny.java b/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/RecordAny.java new file mode 100644 index 000000000..a3e3680d9 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/CORBA/DynAn/RecordAny.java @@ -0,0 +1,405 @@ +/* RecordAny.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 gnu.CORBA.HolderLocator; + +import org.omg.CORBA.Any; +import org.omg.CORBA.ORB; +import org.omg.CORBA.TCKind; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.TypeCodePackage.BadKind; +import org.omg.CORBA.TypeCodePackage.Bounds; +import org.omg.CORBA.portable.Streamable; +import org.omg.DynamicAny.DynAny; +import org.omg.DynamicAny.DynAnyPackage.InvalidValue; +import org.omg.DynamicAny.DynAnyPackage.TypeMismatch; +import org.omg.DynamicAny.DynStruct; +import org.omg.DynamicAny.DynValueCommonOperations; +import org.omg.DynamicAny.NameDynAnyPair; +import org.omg.DynamicAny.NameValuePair; + +import java.io.Serializable; + +import java.lang.reflect.Field; + +/** + * A shared base for both dynamic structure an dynamic value final_type. + * + * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) + */ +public abstract class RecordAny + extends DivideableAny + implements DynAny, Serializable +{ + /** + * Use serialVersionUID for interoperability. + */ + private static final long serialVersionUID = 1; + String[] fNames; + + /** + * Creates the structure with the given typecode. + * + * @param fields The DynAny's, representing the fields of the structure. + */ + public RecordAny(TypeCode oType, TypeCode aType, + gnuDynAnyFactory aFactory, ORB anOrb + ) + { + super(oType, aType, aFactory, anOrb); + } + + /** @inheritDoc */ + public TCKind current_member_kind() + throws TypeMismatch, InvalidValue + { + if (array.length == 0) + throw new TypeMismatch(EMPTY); + try + { + return final_type.member_type(pos).kind(); + } + catch (BadKind e) + { + TypeMismatch t = new TypeMismatch(); + t.initCause(e); + throw t; + } + catch (Bounds e) + { + InvalidValue t = new InvalidValue(); + t.initCause(e); + throw t; + } + } + + /** @inheritDoc */ + public String current_member_name() + throws TypeMismatch, InvalidValue + { + if (array.length == 0) + throw new TypeMismatch(EMPTY); + try + { + return final_type.member_name(pos); + } + catch (BadKind e) + { + TypeMismatch t = new TypeMismatch(); + t.initCause(e); + throw t; + } + catch (Bounds e) + { + InvalidValue t = new InvalidValue(); + t.initCause(e); + throw t; + } + } + + /** + * Get content of the structure. This method must be defined on a different + * name because get_members_as_dyn_any() throws exception only in some of the + * supported interfaces. + */ + public NameDynAnyPair[] gnu_get_members_as_dyn_any() + { + NameDynAnyPair[] r = new NameDynAnyPair[ array.length ]; + for (int i = 0; i < r.length; i++) + { + try + { + r [ i ] = new NameDynAnyPair(fNames [ i ], array [ i ]); + } + catch (Exception ex) + { + throw new Unexpected(ex); + } + } + return r; + } + + /** + * Get content of the structure. This method must be defined on a different + * name because get_members_as_dyn_any() throws exception only in some of the + * supported interfaces. + */ + public NameValuePair[] gnu_get_members() + { + NameValuePair[] r = new NameValuePair[ array.length ]; + for (int i = 0; i < r.length; i++) + { + try + { + r [ i ] = new NameValuePair(fNames [ i ], array [ i ].to_any()); + } + catch (Exception ex) + { + throw new Unexpected(ex); + } + } + return r; + } + + /** + * Set members from the provided array. + */ + public void set_members_as_dyn_any(NameDynAnyPair[] value) + throws TypeMismatch, InvalidValue + { + if (value.length != array.length) + throw new InvalidValue(sizeMismatch(array.length, value.length)); + + for (int i = 0; i < value.length; i++) + { + DynAny dynAny = value [ i ].value; + checkType(dynAny.type(), i); + checkName(value [ i ].id, i); + + array [ i ] = dynAny; + } + pos = 0; + } + + /** + * Check the name at the given position ("" matches everything). + */ + private void checkName(String xName, int i) + throws TypeMismatch + { + if (xName.length() > 0 && fNames [ i ].length() > 0) + if (!xName.equals(fNames [ i ])) + throw new TypeMismatch("Field name mismatch " + xName + " expected " + + fNames [ i ] + ); + } + + /** + * Check the type at the given position. + */ + private void checkType(TypeCode t, int i) + throws TypeMismatch + { + if (!array [ i ].type().equal(t)) + throw new TypeMismatch(typeMismatch(array [ i ].type(), t) + " field " + + i + ); + } + + /** + * Set members from the provided array. + */ + public void set_members(NameValuePair[] value) + throws TypeMismatch, InvalidValue + { + if (value.length != array.length) + throw new InvalidValue(sizeMismatch(array.length, value.length)); + + for (int i = 0; i < value.length; i++) + { + Any any = value [ i ].value; + checkType(any.type(), i); + checkName(value [ i ].id, i); + + array [ i ].from_any(any); + } + pos = 0; + } + + /** @inheritDoc */ + public void assign(DynAny from) + throws TypeMismatch + { + checkType(official_type, from.type()); + if (from instanceof DynStruct) + { + try + { + set_members_as_dyn_any(((DynStruct) from).get_members_as_dyn_any()); + } + catch (InvalidValue e) + { + TypeMismatch t = new TypeMismatch("Invalid value"); + t.initCause(e); + throw t; + } + } + else + throw new TypeMismatch("Not a DynStruct"); + } + + /** + * Create a copy. + */ + public DynAny copy() + { + DynAny[] c = new DynAny[ array.length ]; + for (int i = 0; i < c.length; i++) + { + c [ i ] = array [ i ].copy(); + } + + RecordAny d = newInstance(official_type, final_type, factory, orb); + d.array = c; + return d; + } + + /** + * Create a new instance when copying. + */ + protected abstract RecordAny newInstance(TypeCode oType, TypeCode aType, + gnuDynAnyFactory aFactory, + ORB anOrb + ); + + /** + * Done via reflection. + */ + public Any to_any() + { + try + { + Streamable sHolder = HolderLocator.createHolder(official_type); + + Class sHolderClass = sHolder.getClass(); + Field sHolderValue = sHolderClass.getField("value"); + Class sClass = sHolderValue.getType(); + + Object structure = sClass.newInstance(); + Object member; + Any am; + Field vread; + Field vwrite; + Streamable memberHolder; + + for (int i = 0; i < array.length; i++) + { + am = array [ i ].to_any(); + memberHolder = am.extract_Streamable(); + vwrite = structure.getClass().getField(final_type.member_name(i)); + vread = memberHolder.getClass().getField("value"); + member = vread.get(memberHolder); + vwrite.set(structure, member); + } + + Any g = createAny(); + sHolderValue.set(sHolder, structure); + g.insert_Streamable(sHolder); + g.type(official_type); + return g; + } + catch (Exception e) + { + throw new Unexpected(e); + } + } + + /** + * Done via reflection. + */ + public void from_any(Any an_any) + throws TypeMismatch, InvalidValue + { + checkType(official_type, an_any.type()); + try + { + Streamable s = an_any.extract_Streamable(); + if (s == null) + { + if (this instanceof DynValueCommonOperations) + { + ((DynValueCommonOperations) this).set_to_null(); + return; + } + else + throw new InvalidValue(ISNULL); + } + + Object structure = s.getClass().getField("value").get(s); + if (structure == null && (this instanceof DynValueCommonOperations)) + { + ((DynValueCommonOperations) this).set_to_null(); + return; + } + + Any member; + Streamable holder; + Object field; + TypeCode fType; + Field fField; + + for (int i = 0; i < array.length; i++) + { + fField = structure.getClass().getField(fNames [ i ]); + field = fField.get(structure); + fType = array [ i ].type(); + holder = HolderLocator.createHolder(fType); + + member = createAny(); + holder.getClass().getField("value").set(holder, field); + member.insert_Streamable(holder); + member.type(fType); + + array [ i ].from_any(member); + } + + if (this instanceof DynValueCommonOperations) + ((DynValueCommonOperations) this).set_to_value(); + } + catch (InvalidValue v) + { + throw v; + } + catch (NoSuchFieldException ex) + { + TypeMismatch v = + new TypeMismatch("holder value does not match typecode"); + v.initCause(ex); + throw v; + } + catch (Exception ex) + { + TypeMismatch t = new TypeMismatch(); + t.initCause(ex); + throw t; + } + } +}
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