X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=server%2Fruntime%2Forg.argeo.server.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fserver%2Fmvc%2Fjcr%2FJcrXmlServerSerializer.java;fp=server%2Fruntime%2Forg.argeo.server.core%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fserver%2Fmvc%2Fjcr%2FJcrXmlServerSerializer.java;h=467b4d352b076b3b6aaa6f4e3af8321819ab8174;hb=615bcb2bf7937888af7631cb3319d8c55b275fa9;hp=0000000000000000000000000000000000000000;hpb=91e4bcfa8525708e310eebe6589525a73591efb8;p=lgpl%2Fargeo-commons.git diff --git a/server/runtime/org.argeo.server.core/src/main/java/org/argeo/server/mvc/jcr/JcrXmlServerSerializer.java b/server/runtime/org.argeo.server.core/src/main/java/org/argeo/server/mvc/jcr/JcrXmlServerSerializer.java new file mode 100644 index 000000000..467b4d352 --- /dev/null +++ b/server/runtime/org.argeo.server.core/src/main/java/org/argeo/server/mvc/jcr/JcrXmlServerSerializer.java @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2007-2012 Mathieu Baudier + * + * 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.argeo.server.mvc.jcr; + +import javax.jcr.Node; +import javax.jcr.NodeIterator; +import javax.jcr.RepositoryException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.transform.Transformer; +import javax.xml.transform.TransformerFactory; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.stream.StreamResult; + +import org.argeo.ArgeoException; +import org.argeo.server.ServerSerializer; +import org.springframework.xml.dom.DomContentHandler; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; +import org.xml.sax.SAXException; + +/** @deprecated */ +public class JcrXmlServerSerializer implements ServerSerializer { + private String contentTypeCharset = "UTF-8"; + + private final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory + .newInstance(); + private final TransformerFactory transformerFactory = TransformerFactory + .newInstance(); + + public void serialize(Object obj, HttpServletRequest request, + HttpServletResponse response) { + if (!(obj instanceof Node)) + throw new ArgeoException("Only " + Node.class + " is supported"); + + String noRecurseStr = request.getParameter("noRecurse"); + boolean noRecurse = noRecurseStr != null && noRecurseStr.equals("true"); + + String depthStr = request.getParameter("depth"); + String downloadStr = request.getParameter("download"); + + Node node = (Node) obj; + + try { + String contentType = "text/xml;charset=" + contentTypeCharset; + // download case + if (downloadStr != null && downloadStr.equals("true")) { + String fileName = node.getName().replace(':', '_') + ".xml"; + contentType = contentType + ";name=\"" + fileName + "\""; + response.setHeader("Content-Disposition", + "attachment; filename=\"" + fileName + "\""); + response.setHeader("Expires", "0"); + response + .setHeader("Cache-Control", "no-cache, must-revalidate"); + response.setHeader("Pragma", "no-cache"); + } + + response.setContentType(contentType); + if (depthStr == null) { + node.getSession().exportDocumentView(node.getPath(), + response.getOutputStream(), true, noRecurse); + } else { + int depth = Integer.parseInt(depthStr); + Document document = documentBuilderFactory.newDocumentBuilder() + .newDocument(); + serializeLevelToDom(node, document, 0, depth); + Transformer transformer = transformerFactory.newTransformer(); + transformer.transform(new DOMSource(document), + new StreamResult(response.getOutputStream())); + } + } catch (Exception e) { + throw new ArgeoException("Cannot serialize " + node, e); + } + } + + protected void serializeLevelToDom(Node currentJcrNode, + org.w3c.dom.Node currentDomNode, int currentDepth, int targetDepth) + throws RepositoryException, SAXException { + DomContentHandler domContentHandler = new DomContentHandler( + currentDomNode); + currentJcrNode.getSession().exportDocumentView( + currentJcrNode.getPath(), domContentHandler, true, true); + + if (currentDepth == targetDepth) + return; + + // TODO: filter + NodeIterator nit = currentJcrNode.getNodes(); + while (nit.hasNext()) { + Node nextJcrNode = nit.nextNode(); + org.w3c.dom.Node nextDomNode; + if (currentDomNode instanceof Document) + nextDomNode = ((Document) currentDomNode).getDocumentElement(); + else { + String name = currentJcrNode.getName(); + NodeList nodeList = ((Element) currentDomNode) + .getElementsByTagName(name); + if (nodeList.getLength() < 1) + throw new ArgeoException("No elment named " + name + + " under " + currentDomNode); + // we know it is the last one added + nextDomNode = nodeList.item(nodeList.getLength() - 1); + } + // recursive call + serializeLevelToDom(nextJcrNode, nextDomNode, currentDepth + 1, + targetDepth); + } + } + + public void setContentTypeCharset(String contentTypeCharset) { + this.contentTypeCharset = contentTypeCharset; + } + +}