/* * Copyright 1999-2005 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package org.apache.log4j.or.sax;import org.apache.log4j.or.ObjectRenderer;import org.xml.sax.Attributes;/**   Render <code>org.xml.sax.Attributes</code> objects.   @author Ceki G&uuml;lc&uuml;   @since 1.2 */public class AttributesRenderer implements ObjectRenderer {  public  AttributesRenderer() {  }  /**     Render a {@link org.xml.sax.Attributes}.  */  public  String  doRender(Object o) {    if(o instanceof Attributes) {      StringBuffer sbuf = new StringBuffer();      Attributes a = (Attributes) o;      int len = a.getLength();      boolean first = true;      for(int i = 0; i < len; i++) {	if(first) {	  first = false;	} else {	  sbuf.append(", ");	}	sbuf.append(a.getQName(i));	sbuf.append('=');	sbuf.append(a.getValue(i));      }      return sbuf.toString();    } else {      return o.toString();    }  }}