1 /*
2 * Copyright (C) 2002 Carsten Krebs (Team-Konzept GmbH & Co.KG)
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 package com.teamkonzept.dom4jb.schema;
19
20 import java.beans.IntrospectionException;
21 import java.beans.PropertyDescriptor;
22
23 import com.teamkonzept.dom4jb.DOM4JBException;
24 import com.teamkonzept.dom4jb.beans.Introspector;
25 import com.teamkonzept.dom4jb.beans.SimpleProperty;
26 import com.teamkonzept.dom4jb.beans.XMLBeanInfo;
27 import com.teamkonzept.dom4jb.dom.Document;
28 import com.teamkonzept.dom4jb.dom.Node;
29 import com.teamkonzept.dom4jb.dom.NodeName;
30
31 public class AttributeDescriptor extends SimpleProperty {
32
33 protected final NodeName name;
34
35 public AttributeDescriptor( final NodeName name,
36 final PropertyDescriptor property ) {
37 super( property );
38 this.name = name;
39 }
40
41 protected AttributeDescriptor( final String name,
42 final PropertyDescriptor property ) {
43 this( NodeName.getInstance( name ), property );
44 }
45
46 public AttributeDescriptor( final PropertyDescriptor property ) {
47 this( property.getName(), property );
48 }
49
50 public AttributeDescriptor( final String name, final Class beanClass )
51 throws IntrospectionException {
52 this( name, getProperty( name, beanClass ) );
53 }
54
55 public AttributeDescriptor( final String attrName,
56 final String propertyName,
57 final Class beanClass )
58 throws IntrospectionException {
59 this( attrName, getProperty( propertyName, beanClass ) );
60 }
61
62
63 protected final DataDescriptor getDescriptor(final Object obj) {
64 if ( obj != null ) {
65 try {
66 final XMLBeanInfo info = Introspector.getBeanInfo( obj.getClass() );
67 final DataDescriptor descriptor = info.getDataDescriptor();
68
69 if ( descriptor != null ) {
70 return descriptor;
71 }
72 } catch ( IntrospectionException e ) {
73 throw new DOM4JBException( e );
74 }
75 }
76 return DataDescriptor.STRING;
77 }
78
79 public NodeName getName() {
80 return this.name;
81 }
82
83 public Node getContent( final Document document, final Object bean ) {
84 return document.createAttribute( this, bean );
85 }
86
87 public String toString() {
88 final StringBuffer buf = new StringBuffer( "Attribute(" );
89 buf.append( name.toString() );
90 buf.append( ':' );
91 buf.append( super.toString() );
92 buf.append( ')' );
93 return buf.toString();
94 }
95
96 }
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