mirror of git://gcc.gnu.org/git/gcc.git
128 lines
4.1 KiB
Java
128 lines
4.1 KiB
Java
/* gnu.java.beans.decoder.AbstractObjectContext
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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.InvocationTargetException;
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import java.lang.reflect.Method;
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/** AbstractObjectContext is the base for all Context implementations which
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* create or provide a result object during their lifetime.
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*
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* <p>This class provides the implementation for an indexed get and set method.
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* But this does not mean that the result object supports these operation.</p>
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*
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* @author Robert Schuster
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*
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*/
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abstract class AbstractObjectContext extends AbstractContext
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{
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protected Object object;
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AbstractObjectContext()
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{}
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/** Sets the result object of the Context.
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*
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* @param obj The result object to be set.
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*/
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protected final void setObject(Object obj)
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{
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object = obj;
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}
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/* (non-Javadoc)
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* @see gnu.java.beans.decoder.Context#set(int, java.lang.Object)
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*/
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public final 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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Method method =
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object.getClass().getMethod(
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"set",
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new Class[] { Integer.TYPE, Object.class });
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method.invoke(object, new Object[] { new Integer(index), o });
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}
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catch (NoSuchMethodException nsme)
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{
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throw new AssemblyException(nsme);
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}
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catch (InvocationTargetException ite)
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{
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throw new AssemblyException(ite.getCause());
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}
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catch (IllegalAccessException iae)
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{
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throw new AssemblyException(iae);
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}
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}
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/* (non-Javadoc)
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* @see gnu.java.beans.decoder.Context#get(int)
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*/
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public final Object get(int index) throws AssemblyException
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{
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try
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{
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Method method =
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object.getClass().getMethod(
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"get",
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new Class[] { Integer.TYPE });
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return method.invoke(object, new Object[] { new Integer(index)});
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}
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catch (NoSuchMethodException nsme)
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{
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throw new AssemblyException(nsme);
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}
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catch (InvocationTargetException ite)
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{
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throw new AssemblyException(ite.getCause());
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}
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catch (IllegalAccessException iae)
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{
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throw new AssemblyException(iae);
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}
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}
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public final Object getResult()
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{
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return object;
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}
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}
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