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+/* RmiNamingEnumeration.java -- handles rmi: urls
+ Copyright (C) 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 gnu.javax.naming.jndi.url.rmi;
+
+import java.util.NoSuchElementException;
+
+import javax.naming.NamingEnumeration;
+import javax.naming.NamingException;
+
+/**
+ * Iterates over name class pairs, obtaining values first from the binding list
+ * and then from the binding iterator.
+ *
+ * @author Audrius Meskauskas
+ */
+public abstract class RmiNamingEnumeration implements NamingEnumeration
+{
+ /**
+ * The array of bindings, returned at once.
+ */
+ String[] list;
+
+ /**
+ * The position of the element in the binding list, that must be returned
+ * during the subsequent call of the next(). If this field is grater or equal
+ * to the lenght of the list, the subsequent values must be requested from the
+ * iterator.
+ */
+ int p;
+
+ RmiNamingEnumeration(String[] bindingList)
+ {
+ list = bindingList;
+ }
+
+ /**
+ * Convert from the CORBA binding into that this enumeration should return.
+ *
+ * @param binding
+ * the binding to convert
+ * @return the value, that must be returned by the {@link #next()}.
+ */
+ public abstract Object convert(String binding);
+
+ /**
+ * Checks if there are more elements to return.
+ *
+ * @throws NamingException
+ * never
+ */
+ public boolean hasMore() throws NamingException
+ {
+ return hasMoreElements();
+ }
+
+ /**
+ * Returns the next element.
+ *
+ * @throws NamingException
+ * never
+ */
+ public Object next() throws NamingException
+ {
+ return nextElement();
+ }
+
+ /**
+ * Checks if there are more elements to return.
+ */
+ public boolean hasMoreElements()
+ {
+ return p < list.length;
+ }
+
+ /**
+ * Returns the next element.
+ */
+ public Object nextElement()
+ {
+ if (p < list.length)
+ return convert(list[p++]);
+ else
+ throw new NoSuchElementException();
+ }
+
+ /**
+ * Nothing to do in this method.
+ */
+ public void close()
+ {
+ // Nothing to do here.
+ }
+
+}