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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [org/] [omg/] [CORBA/] [StringSeqHelper.java] - Blame information for rev 775

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1 775 jeremybenn
/* StringSeqHelper.java --
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   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package org.omg.CORBA;
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import gnu.CORBA.typecodes.ArrayTypeCode;
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import org.omg.CORBA.TypeCodePackage.BadKind;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import org.omg.CORBA.portable.Streamable;
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/**
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 * Provides static helper methods for working with
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 * CORBA <code>string</code> array.
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 *
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 * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
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 */
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public abstract class StringSeqHelper
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{
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  /**
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   * Extract the <code>String[]</code> from the
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   * given {@link Any}. This implementation expects the
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   * {@link Any} to hold the instance of {@link StringSeqHolder}
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   * that is returned by {@link Any#extract_Streamable() }.
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   *
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   * @param a an Any to extract the array from.
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   *
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   * @return the extracted array.
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   *
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   * @throws ClassCastException if the Any contains something other than the
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   * the {@link StringSeqHolder}.
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   */
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  public static String[] extract(Any a)
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  {
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    StringSeqHolder h = (StringSeqHolder) a.extract_Streamable();
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    return h.value;
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  }
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  /**
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   * Returns the agreed Id, delegating functionality to
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   * the {@link #type()}.id().
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   */
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  public static String id()
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  {
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    try
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      {
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        return type().id();
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      }
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    catch (BadKind ex)
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      {
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        // Should never happen under correct work.
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        throw new Error("Please report this bug.", ex);
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      }
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  }
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  /**
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  * Insert into the given <code>String[]</code> into the
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  * given {@link Any}. This implementation first creates
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  * a {@link StringSeqHolder} and then calls
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  * {@link Any#insert_Streamable(Streamable)}.
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  *
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  * @param into the target Any.
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  * @param that the array to insert.
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  */
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  public static void insert(Any into, String[] that)
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  {
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    StringSeqHolder holder = new StringSeqHolder(that);
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    into.insert_Streamable(holder);
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  }
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  /**
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   * Reads the <code>String[]</code> from the CORBA input stream.
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   *
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   * @param input the CORBA (not java.io) stream to read from.
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   * @return the value from the stream.
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   */
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  public static String[] read(InputStream input)
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  {
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    String[] value = new String[ input.read_long() ];
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    for (int i = 0; i < value.length; i++)
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      value [ i ] = input.read_string();
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    return value;
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  }
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  /**
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   * Creates and returns a new instance of the TypeCode,
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   * corresponding the CORBA <code>string[]</code>.
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   * The length of the sequence is left with the initial
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   * value 0.
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   */
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  public static TypeCode type()
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  {
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    return new ArrayTypeCode(TCKind.tk_string);
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  }
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  /**
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   * Writes the <code>String[]</code> into the given stream.
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   *
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   * @param output the CORBA (not java.io) output stream to write.
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   * @param value the value that must be written.
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   */
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  public static void write(OutputStream output, String[] value)
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  {
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    output.write_long(value.length);
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    for (int i = 0; i < value.length; i++)
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      output.write_string(value [ i ]);
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  }
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}

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