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1
19 package org.openharmonise.dav.server.adapters;
20
21 import java.io.*;
22 import java.util.logging.*;
23
24 import javax.xml.parsers.*;
25
26 import org.openharmonise.commons.xml.*;
27 import org.openharmonise.commons.xml.namespace.NamespaceClashException;
28 import org.openharmonise.dav.server.managers.HarmonisePropertiesManager;
29 import org.openharmonise.dav.server.utils.*;
30 import org.openharmonise.rm.*;
31 import org.openharmonise.rm.resources.publishing.WebPage;
32 import org.openharmonise.rm.resources.xml.*;
33 import org.w3c.dom.*;
34 import org.xml.sax.SAXException  ;
35
36 import com.ibm.webdav.*;
37
38
47 public class WebPageResourceAdapter {
48
49 public static final String TAG_PAGEDEF = "PageDef";
50 public static final String ATTRIB_TIMEOUT = "timeout";
51 public static final String TAG_XML = "XML";
52 public static final String TAG_XSL = "XSL";
53
54 private WebPage m_page = null;
55 private Element m_xml = null;
56
57 private static final Logger m_logger = Logger.getLogger(WebPageResourceAdapter.class.getName());
58
59
62 public WebPageResourceAdapter(WebPage page) {
63 m_page = page;
64 }
65
66
73 public String asString() throws WebDAVException {
74 String sXML = null;
75
76 try {
77 Element pageEl = asXML();
78
79 XMLPrettyPrint xmlPrint = new XMLPrettyPrint();
80
81 sXML = xmlPrint.printNode(pageEl);
82
83 } catch (NamespaceClashException e) {
84 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
85 }
86
87 return sXML;
88 }
89
90
96 public Element asXML() throws WebDAVException {
97
98 if(m_xml == null) {
99 try {
100 Document pageDoc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
101
102 m_xml = pageDoc.createElement(TAG_PAGEDEF);
103
104 m_xml.setAttribute(ATTRIB_TIMEOUT,String.valueOf(m_page.getTimeout()));
105
106 pageDoc.appendChild(m_xml);
107
108 Element xmlEl = pageDoc.createElement(TAG_XML);
109
110 Element hrefEl = pageDoc.createElement(HarmonisePropertiesManager.TAG_HREF);
111
112 XMLResource xml = m_page.getXML();
113
114 if(xml != null) {
115 String sHREF = HarmoniseNameResolver.getDAVPath(xml);
116 hrefEl.appendChild(pageDoc.createTextNode(sHREF));
117
118 }
119
120 xmlEl.appendChild(hrefEl);
121
122 m_xml.appendChild(xmlEl);
123
124 Element xslEl = pageDoc.createElement(TAG_XSL);
125
126 hrefEl = pageDoc.createElement(HarmonisePropertiesManager.TAG_HREF);
127 Element outEl = pageDoc.createElement("mimetype");
128
129 XSLResource xsl = m_page.getXSL();
130
131 if(xsl != null) {
132 String sHREF = HarmoniseNameResolver.getDAVPath(xsl);
133 hrefEl.appendChild(pageDoc.createTextNode(sHREF));
134 String sOutputType = xsl.getOutputType();
135 outEl.appendChild(pageDoc.createTextNode(sOutputType));
136 }
137
138 xslEl.appendChild(hrefEl);
139 xslEl.appendChild(outEl);
140
141 m_xml.appendChild(xslEl);
142 } catch (DataAccessException e) {
143 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
144 } catch (ParserConfigurationException e) {
145 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
146 } catch (FactoryConfigurationError e) {
147 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
148 } catch (NameResolverException e) {
149 m_logger.log(Level.WARNING, e.getLocalizedMessage(), e);
150 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
151 }
152 }
153 return m_xml;
154
155 }
156
157
163 public void populate(String sXML) throws WebDAVException {
164 try {
165 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
166
167 factory.setNamespaceAware(true);
168
169 DocumentBuilder docbuilder = factory.newDocumentBuilder();
170
171 StringReader reader = new StringReader(sXML);
172
173 Document contents = docbuilder.parse(
174 new org.xml.sax.InputSource (reader));
175
176 populate(contents.getDocumentElement());
177 } catch (FactoryConfigurationError e) {
178 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
179 } catch (ParserConfigurationException e) {
180 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
181 } catch (SAXException e) {
182 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
183 } catch (IOException e) {
184 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
185 }
186 }
187
188
194 public void populate(Element el) throws WebDAVException {
195 if(el.getTagName().equals(TAG_PAGEDEF) == false) {
196 throw new WebDAVException(WebDAVStatus.SC_BAD_REQUEST,"Wrong xml to populate page def");
197 }
198
199 if(el.hasAttribute(ATTRIB_TIMEOUT)) {
200 String sTimeout = el.getAttribute(ATTRIB_TIMEOUT);
201
202 try {
203 m_page.setTimeout(Integer.parseInt(sTimeout));
204 } catch (NumberFormatException e) {
205 m_logger.log(Level.WARNING, "Ignoring webpage timeout value", e);
207 }
208
209 }
210
211 NodeList nodes = el.getChildNodes();
212
213 for (int i = 0; i < nodes.getLength(); i++) {
214 if(nodes.item(i).getNodeType() == Node.ELEMENT_NODE) {
215 Element tmpEl = (Element) nodes.item(i);
216 String sTagName = tmpEl.getTagName();
217
218 try {
219 if(sTagName.equals(TAG_XML)) {
220 String sHREF = getHREFValue(tmpEl);
221 if(sHREF != null) {
222 XMLResource xml = (XMLResource) HarmoniseNameResolver.getObjectFromURL(m_page.getDataStoreInterface(), sHREF);
223 m_page.setXML(xml);
224 }
225 } else if(sTagName.equals(TAG_XSL)) {
226 String sHREF = getHREFValue(tmpEl);
227 if(sHREF != null) {
228 XSLResource xsl = (XSLResource) HarmoniseNameResolver.getObjectFromURL(m_page.getDataStoreInterface(), sHREF);
229 m_page.setXSL(xsl);
230 }
231 }
232 } catch (NameResolverException e) {
233 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
234 } catch (PopulateException e) {
235 throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR,e.getLocalizedMessage());
236 }
237 }
238 }
239 }
240
241
247 private String getHREFValue(Element hrefParentEl) {
248 String sVal = null;
249
250 Element hrefEl = XMLUtils.getFirstNamedChild(hrefParentEl, HarmonisePropertiesManager.TAG_HREF);
251
252 if(hrefEl != null && hrefEl.getChildNodes().getLength() > 0) {
253 sVal = hrefEl.getFirstChild().getNodeValue();
254 }
255
256 return sVal;
257 }
258 }
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