001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.log4j.or.sax; 019 020import org.apache.log4j.or.ObjectRenderer; 021 022import org.xml.sax.Attributes; 023 024/** 025 Render <code>org.xml.sax.Attributes</code> objects. 026 027 @author Ceki Gülcü 028 @since 1.2 */ 029public class AttributesRenderer implements ObjectRenderer { 030 031 public 032 AttributesRenderer() { 033 } 034 035 036 /** 037 Render a {@link org.xml.sax.Attributes}. 038 */ 039 public 040 String doRender(Object o) { 041 if(o instanceof Attributes) { 042 StringBuffer sbuf = new StringBuffer(); 043 Attributes a = (Attributes) o; 044 int len = a.getLength(); 045 boolean first = true; 046 for(int i = 0; i < len; i++) { 047 if(first) { 048 first = false; 049 } else { 050 sbuf.append(", "); 051 } 052 sbuf.append(a.getQName(i)); 053 sbuf.append('='); 054 sbuf.append(a.getValue(i)); 055 } 056 return sbuf.toString(); 057 } else { 058 try { 059 return o.toString(); 060 } catch(Exception ex) { 061 return ex.toString(); 062 } 063 } 064 } 065} 066