Initial revision

From-SVN: r102074

libjava/classpath/gnu/java/beans/decoder/DummyContext.java

@@ -0,0 +1,116 @@
+/* gnu.java.beans.decoder.DummyContext
+   Copyright (C) 2004 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 gnu.java.beans.decoder;
+
+/** The DummyContext is used as the Context implementation for the DummyHandler. It
+ * just prevents having a null-reference.
+ *
+ * <p>When the implementation is correct none of this class' methods
+ * (except <code>notifyStatement()</code>) is called.</p>
+ *
+ * @author Robert Schuster
+ */
+public class DummyContext extends AbstractContext
+{
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#addObject(java.lang.Object)
+     */
+    public void addParameterObject(Object o) throws AssemblyException
+    {
+        fail();
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#reportStatement()
+     */
+    public void notifyStatement(Context outerContext) throws AssemblyException
+    {
+    	// intentionally ignored
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#endContext(gnu.java.beans.decoder.Context)
+     */
+    public Object endContext(Context outerContext) throws AssemblyException
+    {
+        fail();
+	return null;
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#subContextFailed()
+     */
+    public boolean subContextFailed()
+    {
+        fail();
+	return false;
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#set(int, java.lang.Object)
+     */
+    public void set(int index, Object o) throws AssemblyException
+    {
+        fail();
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#get(int)
+     */
+    public Object get(int index) throws AssemblyException
+    {
+        fail();
+	return null;
+    }
+
+    /* (non-Javadoc)
+     * @see gnu.java.beans.decoder.Context#getResult()
+     */
+    public Object getResult()
+    {
+        fail();
+	return null;
+    }
+
+    private void fail()
+    {
+        throw new InternalError("Invoking the DummyContext is not expected"
+				+ " - Please file a bug report at"
+				+ " http://www/gnu.org/software/classpath/.");
+    }
+}