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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/beans/encoder/MapPersistenceDelegate.java')
-rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/java/beans/encoder/MapPersistenceDelegate.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/beans/encoder/MapPersistenceDelegate.java b/gcc-4.4.3/libjava/classpath/gnu/java/beans/encoder/MapPersistenceDelegate.java new file mode 100644 index 000000000..84cdce94d --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/beans/encoder/MapPersistenceDelegate.java @@ -0,0 +1,81 @@ +/* MapPersistenceDelegate.java -- A PersistenceDelegate for Map subclasses. + + Copyright (C) 2005 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.encoder; + +import java.util.Map; +import java.beans.Encoder; +import java.beans.Expression; +import java.beans.PersistenceDelegate; +import java.beans.Statement; + +import java.util.Iterator; + +/** + * @author Robert Schuster (robertschuster@fsfe.org) + */ +public class MapPersistenceDelegate extends PersistenceDelegate +{ + + protected Expression instantiate(Object oldInstance, Encoder out) + { + return new Expression( + oldInstance, + oldInstance.getClass(), + "new", + null); + } + + protected void initialize(Class type, Object oldInstance, Object newInstance, + Encoder out) + { + Map map = (Map) oldInstance; + Iterator ite = map.keySet().iterator(); + + while (ite.hasNext()) + { + Object key = ite.next(); + out.writeStatement(new Statement(oldInstance, "put", + new Object[] { key, map.get(key) })); + + } + + } + +} |