| /* WStringSeqHelper.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.typecodes.ArrayTypeCode; |
| |
| import org.omg.CORBA.TypeCodePackage.BadKind; |
| import org.omg.CORBA.portable.InputStream; |
| import org.omg.CORBA.portable.OutputStream; |
| |
| /** |
| * Provides static helper methods for working with |
| * CORBA <code>wstring</code> array. |
| * |
| * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) |
| */ |
| public abstract class WStringSeqHelper |
| { |
| /** |
| * Extract the <code>String[]</code> from the |
| * given {@link Any}. This implementation expects the |
| * {@link Any} to hold the instance of {@link WStringSeqHolder} |
| * that is returned by {@link Any#extract_Streamable() }. |
| * |
| * @param a an Any to extract the array from. |
| * |
| * @return the extracted array. |
| * |
| * @throws ClassCastException if the Any contains something other than the |
| * the {@link WStringSeqHolder}. |
| */ |
| public static String[] extract(Any a) |
| { |
| WStringSeqHolder h = (WStringSeqHolder) a.extract_Streamable(); |
| return h.value; |
| } |
| |
| /** |
| * Returns the agreed Id, delegating functionality to |
| * the {@link #type()}.id(). |
| */ |
| public static String id() |
| { |
| try |
| { |
| return type().id(); |
| } |
| catch (BadKind ex) |
| { |
| // Should never happen under correct work. |
| throw new Error("Please report this bug.", ex); |
| } |
| } |
| |
| /** |
| * Insert into the given <code>String[]</code> into the |
| * given {@link Any}. This implementation first creates |
| * a {@link WStringSeqHolder} and then calls |
| * {@link Any#insert_Streamable(Streamable)}. |
| * |
| * @param into the target Any. |
| * @param that the array to insert. |
| */ |
| public static void insert(Any into, String[] that) |
| { |
| WStringSeqHolder holder = new WStringSeqHolder(that); |
| into.insert_Streamable(holder); |
| } |
| |
| /** |
| * Reads the <code>String[]</code> from the CORBA input stream. |
| * |
| * @param input the CORBA (not java.io) stream to read from. |
| * @return the value from the stream. |
| */ |
| public static String[] read(InputStream input) |
| { |
| String[] value = new String[ input.read_long() ]; |
| for (int i = 0; i < value.length; i++) |
| { |
| value [ i ] = input.read_wstring(); |
| } |
| return value; |
| } |
| |
| /** |
| * Creates and returns a new instance of the TypeCode, |
| * corresponding the CORBA <code>wstring[]</code>. |
| * The length of the sequence is left with the initial |
| * value 0. |
| */ |
| public static TypeCode type() |
| { |
| return new ArrayTypeCode(TCKind.tk_string); |
| } |
| |
| /** |
| * Writes the <code>String[]</code> into the given stream. |
| * |
| * @param output the CORBA (not java.io) output stream to write. |
| * @param value the value that must be written. |
| */ |
| public static void write(OutputStream output, String[] value) |
| { |
| output.write_long(value.length); |
| |
| for (int i = 0; i < value.length; i++) |
| { |
| output.write_wstring(value [ i ]); |
| } |
| } |
| } |