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 package org.apache.camel.converter.jaxp; 018 019 import org.w3c.dom.Attr; 020 import org.w3c.dom.Document; 021 import org.w3c.dom.Element; 022 import org.w3c.dom.Node; 023 import org.w3c.dom.NodeList; 024 import org.w3c.dom.Text; 025 import org.apache.camel.Converter; 026 027 /** 028 * Converts from some DOM types to Java types 029 * 030 * @version $Revision: 738457 $ 031 */ 032 @Converter 033 public final class DomConverter { 034 035 private DomConverter() { 036 // Utility Class 037 } 038 039 @Converter 040 public static String toString(NodeList nodeList) { 041 StringBuffer buffer = new StringBuffer(); 042 append(buffer, nodeList); 043 return buffer.toString(); 044 } 045 046 private static void append(StringBuffer buffer, NodeList nodeList) { 047 int size = nodeList.getLength(); 048 for (int i = 0; i < size; i++) { 049 append(buffer, nodeList.item(i)); 050 } 051 } 052 053 private static void append(StringBuffer buffer, Node node) { 054 if (node instanceof Text) { 055 Text text = (Text) node; 056 buffer.append(text.getTextContent()); 057 } else if (node instanceof Attr) { 058 Attr attribute = (Attr) node; 059 buffer.append(attribute.getTextContent()); 060 } else if (node instanceof Element) { 061 Element element = (Element) node; 062 append(buffer, element.getChildNodes()); 063 } else if (node instanceof Document) { 064 Document doc = (Document) node; 065 append(buffer, doc.getChildNodes()); 066 } 067 } 068 }