| /* WStringValueHelper.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 org.omg.CORBA; |
| |
| import gnu.CORBA.Minor; |
| import gnu.CORBA.OrbRestricted; |
| |
| import org.omg.CORBA.portable.BoxedValueHelper; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| import java.io.Serializable; |
| |
| /** |
| * Provides helper operations for the Wide String value type, treating a |
| * Wide String as a CORBA value type rather than as a primitive type. The OMG |
| * specification states this may be convenient in some specific |
| * cases. The typecode is different, but the reading/writing format in |
| * this implementation is the same as for the ordinary wide string. This is |
| * that Sun's IDL compiler (v1.4) would generate. |
| * |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public class WStringValueHelper |
| implements BoxedValueHelper |
| { |
| /** |
| * The Wide String value helper repository Id. |
| */ |
| private static final String id = "IDL:omg.org/CORBA/WStringValue:1.0"; |
| |
| /** |
| * The Wide String typecode. |
| */ |
| private static final TypeCode twString = |
| OrbRestricted.Singleton.create_wstring_tc(0); |
| |
| /** |
| * Returns the String Value repository Id. |
| * @return "IDL:omg.org/CORBA/WStringValue:1.0", always. |
| */ |
| public String get_id() |
| { |
| return id; |
| } |
| |
| /** |
| * Returns the String Value repository Id. |
| * @return "IDL:omg.org/CORBA/WStringValue:1.0", always. |
| */ |
| public static String id() |
| { |
| return id; |
| } |
| |
| /** |
| * Read the wide string value from the input stream. |
| * |
| * @param istream a stream to read from. |
| * |
| * @return a string (delegates to read_wstring()). |
| */ |
| public Serializable read_value(InputStream istream) |
| { |
| return istream.read_wstring(); |
| } |
| |
| /** |
| * Write the given wide string value into the output stream. |
| * |
| * @param ostream a stream to write into. |
| * @param a_string a string to write. |
| */ |
| public void write_value(OutputStream ostream, Serializable a_string) |
| { |
| try |
| { |
| ostream.write_wstring((String) a_string); |
| } |
| catch (ClassCastException ex) |
| { |
| MARSHAL m = new MARSHAL("String expected"); |
| m.minor = Minor.ClassCast; |
| throw m; |
| } |
| } |
| |
| /** |
| * Extract the wide string from the given Any. The operation |
| * requires Any to hold a String value and not a String. |
| * |
| * @param an_any an Any to extract from. |
| * |
| * @return the extracted string. |
| */ |
| public static String extract(Any an_any) |
| { |
| if (an_any.type().equal(type())) |
| { |
| an_any.type(twString); |
| return an_any.extract_wstring(); |
| } |
| else |
| { |
| BAD_OPERATION bad = new BAD_OPERATION("WString value type expected"); |
| bad.minor = Minor.Any; |
| throw bad; |
| } |
| } |
| |
| /** |
| * Insert the wide string into the given Any. After the operation, |
| * the Any will have a Wide String Value typecode and not a |
| * String or WString typecode. |
| * |
| * @param an_any an Any to insert into. |
| * |
| * @param that a string to insert. |
| */ |
| public static void insert(Any an_any, String that) |
| { |
| an_any.insert_wstring(that); |
| an_any.type(type()); |
| } |
| |
| /** |
| * Reads a wide string as a value type. |
| * |
| * @param in a stream to read value from. |
| */ |
| public static String read(InputStream in) |
| { |
| return in.read_wstring(); |
| } |
| |
| /** |
| * Create and return the value box typecode, named "WStringValue", with the |
| * content typecode being unbounded string. |
| */ |
| public static TypeCode type() |
| { |
| ORB orb = OrbRestricted.Singleton; |
| return orb.create_value_box_tc(id(), "WStringValue", twString); |
| } |
| |
| /** |
| * Writes a wide string as a value type. |
| * |
| * @param out a stream to write value into. |
| * |
| * @param a_string a string to write. |
| */ |
| public static void write(OutputStream out, String a_string) |
| { |
| out.write_wstring(a_string); |
| } |
| } |