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Java > Open Source Codes > com > caucho > jaxb > skeleton > ObjectArrayProperty


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * aint with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Emil Ong
28  */
29
30 package com.caucho.jaxb.skeleton;
31 import javax.xml.bind.JAXBException;
32 import javax.xml.bind.Marshaller;
33 import javax.xml.bind.Unmarshaller;
34 import javax.xml.bind.annotation.XmlElementWrapper;
35 import javax.xml.namespace.QName JavaDoc;
36 import javax.xml.stream.XMLStreamException;
37 import javax.xml.stream.XMLStreamReader;
38 import javax.xml.stream.XMLStreamWriter;
39 import java.io.IOException JavaDoc;
40 import java.lang.reflect.Array JavaDoc;
41 import java.util.ArrayList JavaDoc;
42 import java.util.Iterator JavaDoc;
43
44 import com.caucho.util.L10N;
45
46 /**
47  * a property for serializing/deserializing arrays
48  */
49 public class ObjectArrayProperty<T> extends ArrayProperty {
50   private static final L10N L = new L10N(ObjectArrayProperty.class);
51
52   private Class JavaDoc<T> _type;
53
54   public ObjectArrayProperty(Property componentProperty, Class JavaDoc<T> type)
55   {
56     super(componentProperty);
57     _type = type;
58   }
59
60   public Object JavaDoc read(Unmarshaller u, XMLStreamReader in, QName JavaDoc qname)
61     throws IOException JavaDoc, XMLStreamException, JAXBException
62   {
63     if (in.getEventType() != in.START_ELEMENT || ! qname.equals(in.getName()))
64       // avoid ArrayList instantiation
65 return (T[]) Array.newInstance(_type, 0);
66
67     ArrayList JavaDoc<T> ret = new ArrayList JavaDoc<T>();
68
69     while (in.getEventType() == in.START_ELEMENT && qname.equals(in.getName()))
70       ret.add((T) _componentProperty.read(u, in, qname));
71
72     T[] array = (T[]) Array.newInstance(_type, ret.size());
73     ret.toArray(array);
74
75     return array;
76   }
77
78   public void write(Marshaller m, XMLStreamWriter out, Object JavaDoc obj, QName JavaDoc qname)
79     throws IOException JavaDoc, XMLStreamException, JAXBException
80   {
81     //XXX wrapper
82
83     if (obj != null) {
84       T[] array = (T[]) obj;
85
86       for (int i = 0; i < array.length; i++)
87         _componentProperty.write(m, out, array[i], qname);
88     }
89   }
90 }
91
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