| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.camel.component.cxf; |
| |
| import java.util.AbstractList; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.xml.XMLConstants; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.dom.DOMSource; |
| |
| import org.w3c.dom.Element; |
| |
| import org.apache.camel.RuntimeCamelException; |
| import org.apache.camel.converter.jaxp.XmlConverter; |
| import org.apache.cxf.staxutils.StaxUtils; |
| |
| |
| /** |
| * CxfMessage body type when {@link DataFormat#PAYLOAD} is used. |
| * |
| * @version |
| */ |
| public class CxfPayload<T> { |
| |
| private List<Source> body; |
| private List<T> headers; |
| private Map<String, String> nsMap; |
| |
| public CxfPayload(List<T> headers, List<Source> body, Map<String, String> nsMap) { |
| this.headers = headers; |
| this.body = body; |
| this.nsMap = nsMap; |
| } |
| public CxfPayload(List<T> headers, List<Element> body) { |
| this.headers = headers; |
| this.body = new ArrayList<Source>(body.size()); |
| for (Element el : body) { |
| this.body.add(new DOMSource(el)); |
| } |
| } |
| |
| /** |
| * Get the body as a List of DOM elements. |
| * This will cause the Body to be fully read and parsed. |
| * @return |
| */ |
| public List<Element> getBody() { |
| return new AbstractList<Element>() { |
| public boolean add(Element e) { |
| return body.add(new DOMSource(e)); |
| } |
| |
| public Element set(int index, Element element) { |
| Source s = body.set(index, new DOMSource(element)); |
| try { |
| return StaxUtils.read(s).getDocumentElement(); |
| } catch (XMLStreamException e) { |
| throw new RuntimeCamelException("Problem converting content to Element", e); |
| } |
| } |
| |
| public void add(int index, Element element) { |
| body.add(index, new DOMSource(element)); |
| } |
| |
| public Element remove(int index) { |
| Source s = body.remove(index); |
| try { |
| return StaxUtils.read(s).getDocumentElement(); |
| } catch (XMLStreamException e) { |
| throw new RuntimeCamelException("Problem converting content to Element", e); |
| } |
| } |
| |
| public Element get(int index) { |
| Source s = body.get(index); |
| try { |
| Element el = StaxUtils.read(s).getDocumentElement(); |
| addNamespace(el, nsMap); |
| body.set(index, new DOMSource(el)); |
| return el; |
| } catch (Exception ex) { |
| throw new RuntimeCamelException("Problem converting content to Element", ex); |
| } |
| } |
| |
| public int size() { |
| return body.size(); |
| } |
| }; |
| } |
| |
| protected static void addNamespace(Element element, Map<String, String> nsMap) { |
| if (nsMap != null) { |
| for (String ns : nsMap.keySet()) { |
| element.setAttribute(XMLConstants.XMLNS_ATTRIBUTE + ":" + ns, nsMap.get(ns)); |
| } |
| } |
| } |
| |
| /** |
| * Gets the body as a List of source objects. If possible, the Source objects |
| * will likely be StaxSource or similar that allows streaming. If you plan to |
| * modify or use the Source, be careful that the result is still usable by |
| * the Camel runtime. |
| * @return |
| */ |
| public List<Source> getBodySources() { |
| return body; |
| } |
| |
| public List<T> getHeaders() { |
| return headers; |
| } |
| |
| /** |
| * Returns the contents as a String |
| * Important notes: |
| * 1) This requires the message to be fully loaded breaking the streaming |
| * 2) For large messages, the result can be a VERY large String and require |
| * large amounts of memory. |
| */ |
| public String toString() { |
| XmlConverter converter = new XmlConverter(); |
| StringBuilder buf = new StringBuilder(); |
| buf.append(getClass().getName()); |
| buf.append(" headers: " + headers); |
| // go through the list of element and turn it into String |
| if (body == null) { |
| buf.append("body: " + body); |
| } else { |
| buf.append("body: [ "); |
| for (Element src : getBody()) { |
| String elementString = ""; |
| try { |
| elementString = converter.toString(src, null); |
| } catch (TransformerException e) { |
| elementString = src.toString(); |
| } |
| buf.append("[" + elementString + "]"); |
| } |
| buf.append("]"); |
| } |
| return buf.toString(); |
| } |
| |
| } |