Source code: org/objectstyle/woproject/log4j/CollectionRenderer.java
1 package org.objectstyle.woproject.log4j;
2 /* ====================================================================
3 *
4 * The ObjectStyle Group Software License, Version 1.0
5 *
6 * Copyright (c) 2002 The ObjectStyle Group
7 * and individual authors of the software. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution, if
22 * any, must include the following acknowlegement:
23 * "This product includes software developed by the
24 * ObjectStyle Group (http://objectstyle.org/)."
25 * Alternately, this acknowlegement may appear in the software itself,
26 * if and wherever such third-party acknowlegements normally appear.
27 *
28 * 4. The names "ObjectStyle Group" and "Cayenne"
29 * must not be used to endorse or promote products derived
30 * from this software without prior written permission. For written
31 * permission, please contact andrus@objectstyle.org.
32 *
33 * 5. Products derived from this software may not be called "ObjectStyle"
34 * nor may "ObjectStyle" appear in their names without prior written
35 * permission of the ObjectStyle Group.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the ObjectStyle Group. For more
53 * information on the ObjectStyle Group, please see
54 * <http://objectstyle.org/>.
55 *
56 */
57
58
59 import org.apache.log4j.Hierarchy;
60 import org.apache.log4j.LogManager;
61 import org.apache.log4j.or.ObjectRenderer;
62 import org.apache.log4j.or.RendererMap;
63
64
65 /** Log4J renderer for collections. Superclass of concrete
66 * renderers.
67 *
68 * @author Andrei Adamchik
69 */
70 public abstract class CollectionRenderer implements ObjectRenderer {
71 protected static final RendererMap rendererMap =
72 ((Hierarchy) LogManager.getLoggerRepository()).getRendererMap();
73
74 protected static final String renderObject(Object o) {
75 ObjectRenderer r = rendererMap.get(o);
76 return (r != null) ? r.doRender(o) : o.toString();
77 }
78 }