1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.log4j.or.sax;
19
20 import org.apache.log4j.or.ObjectRenderer;
21
22 import org.xml.sax.Attributes;
23
24 /**
25 Render <code>org.xml.sax.Attributes</code> objects.
26
27 @author Ceki Gülcü
28 @since 1.2 */
29 public class AttributesRenderer implements ObjectRenderer {
30
31 public
32 AttributesRenderer() {
33 }
34
35
36 /**
37 Render a {@link org.xml.sax.Attributes}.
38 */
39 public
40 String doRender(Object o) {
41 if(o instanceof Attributes) {
42 StringBuffer sbuf = new StringBuffer();
43 Attributes a = (Attributes) o;
44 int len = a.getLength();
45 boolean first = true;
46 for(int i = 0; i < len; i++) {
47 if(first) {
48 first = false;
49 } else {
50 sbuf.append(", ");
51 }
52 sbuf.append(a.getQName(i));
53 sbuf.append('=');
54 sbuf.append(a.getValue(i));
55 }
56 return sbuf.toString();
57 } else {
58 try {
59 return o.toString();
60 } catch(Exception ex) {
61 return ex.toString();
62 }
63 }
64 }
65 }
66