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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [java/] [beans/] [decoder/] [ArrayContext.java] - Blame information for rev 769

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1 769 jeremybenn
/* gnu.java.beans.decoder.ArrayContext
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   Copyright (C) 2004 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 gnu.java.beans.decoder;
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import java.lang.reflect.Array;
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/** A Context implementation for a fixed size array. The array
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 * elements have to be set using IndexContext instances.
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 *
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 * @author Robert Schuster
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 */
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class ArrayContext extends AbstractContext
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{
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  private Object array;
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  ArrayContext(String id, Class klass, int length)
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  {
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    setId(id);
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    array = Array.newInstance(klass, length);
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  }
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  /* (non-Javadoc)
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   * @see gnu.java.beans.decoder.Context#addObject(java.lang.Object)
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   */
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  public void addParameterObject(Object o) throws AssemblyException
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  {
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    throw new AssemblyException(new IllegalStateException("Adding objects without an index to a fixed array is not possible."));
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  }
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  /* (non-Javadoc)
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   * @see gnu.java.beans.decoder.Context#reportStatement()
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   */
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  public void notifyStatement(Context outerContext)
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  {
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    // method call intentionally ignored because there is not any useful effect
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  }
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  /* (non-Javadoc)
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   * @see gnu.java.beans.decoder.Context#endContext(gnu.java.beans.decoder.Context)
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   */
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  public Object endContext(Context outerContext) throws AssemblyException
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  {
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    return array;
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  }
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  /* (non-Javadoc)
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   * @see gnu.java.beans.decoder.Context#subContextFailed()
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   */
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  public boolean subContextFailed()
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  {
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    // returns false to indicate that assembling the array does not fail only because
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    // a subelement failed.
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    return false;
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  }
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  public void set(int index, Object o) throws AssemblyException
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  {
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    try
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      {
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        Array.set(array, index, o);
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      }
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    catch (ArrayIndexOutOfBoundsException aioobe)
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      {
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        throw new AssemblyException(aioobe);
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      }
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  }
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  public Object get(int index) throws AssemblyException
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  {
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    try
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      {
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        return Array.get(array, index);
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      }
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    catch (ArrayIndexOutOfBoundsException aioobe)
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      {
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        throw new AssemblyException(aioobe);
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      }
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  }
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  /* (non-Javadoc)
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   * @see gnu.java.beans.decoder.Context#getResult()
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   */
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  public Object getResult()
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  {
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    return array;
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  }
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}

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