1 /*
   2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.xml.internal.bind.v2.runtime.property;
  27 
  28 
  29 import com.sun.xml.internal.bind.api.AccessorException;
  30 import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
  31 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
  32 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
  33 import com.sun.xml.internal.bind.v2.runtime.reflect.Lister;
  34 
  35 
  36 /**
  37  * {@link Property} implementation for multi-value properties
  38  * (including arrays and collections.)
  39  *
  40  * @author Kohsuke Kawaguchi (kk@kohsuke.org)
  41  */
  42 abstract class ArrayProperty<BeanT,ListT,ItemT> extends PropertyImpl<BeanT> {
  43     protected final Accessor<BeanT,ListT> acc;
  44     protected final Lister<BeanT,ListT,ItemT,Object> lister;
  45 
  46     protected ArrayProperty(JAXBContextImpl context, RuntimePropertyInfo prop) {
  47         super(context,prop);
  48 
  49         assert prop.isCollection();
  50         lister = Lister.create(
  51             Utils.REFLECTION_NAVIGATOR.erasure(prop.getRawType()),prop.id(),prop.getAdapter());
  52         assert lister!=null;
  53         acc = prop.getAccessor().optimize(context);
  54         assert acc!=null;
  55     }
  56 
  57     public void reset(BeanT o) throws AccessorException {
  58         lister.reset(o,acc);
  59     }
  60 
  61     public final String getIdValue(BeanT bean) {
  62         // mutli-value property can't be ID
  63         return null;
  64     }
  65 }