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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/org/omg/CORBA/StringSeqHelper.java | |
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Diffstat (limited to 'libjava/classpath/org/omg/CORBA/StringSeqHelper.java')
-rw-r--r-- | libjava/classpath/org/omg/CORBA/StringSeqHelper.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/libjava/classpath/org/omg/CORBA/StringSeqHelper.java b/libjava/classpath/org/omg/CORBA/StringSeqHelper.java new file mode 100644 index 000000000..19f27292c --- /dev/null +++ b/libjava/classpath/org/omg/CORBA/StringSeqHelper.java @@ -0,0 +1,145 @@ +/* StringSeqHelper.java -- + Copyright (C) 2005, 2006 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; +import org.omg.CORBA.portable.Streamable; + +/** + * Provides static helper methods for working with + * CORBA <code>string</code> array. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public abstract class StringSeqHelper +{ + /** + * Extract the <code>String[]</code> from the + * given {@link Any}. This implementation expects the + * {@link Any} to hold the instance of {@link StringSeqHolder} + * 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 StringSeqHolder}. + */ + public static String[] extract(Any a) + { + StringSeqHolder h = (StringSeqHolder) 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 StringSeqHolder} 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) + { + StringSeqHolder holder = new StringSeqHolder(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_string(); + return value; + } + + /** + * Creates and returns a new instance of the TypeCode, + * corresponding the CORBA <code>string[]</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_string(value [ i ]); + } +} |