/**
* Set a property of a resource to a value.
*
* @param name the property name
* @param value the property value
* @exception com.ibm.webdav.WebDAVException
*/
public void setProperty(String name, Element value) throws WebDAVException {
// load the properties
Document propertiesDocument = resource.loadProperties();
Element properties = propertiesDocument.getDocumentElement();
String ns = value.getNamespaceURI();
Element property = null;
if (ns == null) {
property = (Element) ((Element) properties).getElementsByTagName(value.getTagName()).item(0);
} else {
property = (Element) properties.getElementsByTagNameNS(ns, value.getLocalName()).item(0);
}
if (property != null) {
try {
properties.removeChild(property);
} catch (DOMException exc) {
}
}
properties.appendChild(propertiesDocument.importNode(value, true));
// write out the properties
resource.saveProperties(propertiesDocument);
}
/** extracts XML from PDF */
protected byte[] getXMLFromPDF(PdfReader reader) throws Exception {
XfaForm xfaForm = reader.getAcroFields().getXfa();
Node domDocument = xfaForm.getDomDocument();
if (domDocument == null) return null;
Element documentElement = ((Document) domDocument).getDocumentElement();
Element datasetsElement =
(Element) documentElement.getElementsByTagNameNS(XFA_NS, "datasets").item(0);
Element dataElement = (Element) datasetsElement.getElementsByTagNameNS(XFA_NS, "data").item(0);
Element xmlElement = (Element) dataElement.getChildNodes().item(0);
Node budgetElement = getBudgetElement(xmlElement);
byte[] serializedXML = XfaForm.serializeDoc(budgetElement);
return serializedXML;
}
// @Test
public void testElementsByTagNameWithNamespace() throws Exception {
builderFactory = DocumentBuilderFactory.newInstance();
builderFactory.setNamespaceAware(true);
String xml =
"<?xml version=\"1.0\"?>"
+ "<t:root xmlns=\"http://void.com/\" xmlns:t=\"http://t.com/\" id=\"stella\" t:type=\"police\">"
+ "<t:item id=\"a\"/>"
+ "<child id=\"1\"/>"
+ "<t:item id=\"b\"/>"
+ "<child id=\"2\"/>"
+ "</t:root>";
// TODO: Can I utilize xmlSearchNs or xmlSearchNsByHref? the problem is it searchs a specific
// node and recurse up.
// I don't have such a node
DocumentBuilder builder = builderFactory.newDocumentBuilder();
Document doc = builder.parse(new ByteArrayInputStream(xml.getBytes()));
Element root = doc.getDocumentElement();
List<String> expectedList = Arrays.asList("1", "2");
List<String> actualList = new ArrayList<String>();
NodeList nl = root.getElementsByTagNameNS("http://void.com/", "child");
for (int i = 0; i < nl.getLength(); i++) {
Element elem = (Element) nl.item(i);
actualList.add(elem.getAttribute("id"));
}
Assert.assertArrayEquals("elementsByTagName", expectedList.toArray(), actualList.toArray());
expectedList = Arrays.asList("a", "b");
actualList.clear();
nl = root.getElementsByTagNameNS("http://t.com/", "item");
for (int i = 0; i < nl.getLength(); i++) {
Element elem = (Element) nl.item(i);
actualList.add(elem.getAttribute("id"));
}
}
/**
* Edit the properties of a resource. The updates must refer to a Document containing a WebDAV
* propertyupdates element as the document root.
*
* @param updates an XML Document containing propertyupdate elements
* @return the result of making the updates describing the edits to be made.
* @exception com.ibm.webdav.WebDAVException
*/
public MultiStatus setProperties(Document propertyUpdates) throws WebDAVException {
// create a MultiStatus to hold the results. It will hold a MethodResponse
// for each update, and one for the method as a whole
MultiStatus multiStatus = new MultiStatus();
boolean errorsOccurred = false;
// first, load the properties so they can be edited
Document propertiesDocument = resource.loadProperties();
Element properties = (Element) propertiesDocument.getDocumentElement();
// be sure the updates have at least one update
Element propertyupdate = (Element) propertyUpdates.getDocumentElement();
String tagName = propertyupdate.getNamespaceURI() + propertyupdate.getLocalName();
if (!tagName.equals("DAV:propertyupdate")) {
throw new WebDAVException(
WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "missing propertyupdate element");
}
NodeList updates = propertyupdate.getChildNodes();
if (updates.getLength() == 0) {
throw new WebDAVException(WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "no updates in request");
}
Vector propsGood = new Vector(); // a list of properties that
// were patched correctly or would have been if another
// property hadn't gone bad.
// apply the updates
Node temp = null;
for (int i = 0; i < updates.getLength(); i++) {
temp = updates.item(i);
// skip any ignorable TXText elements
if (!(temp.getNodeType() == Node.ELEMENT_NODE)) {
continue;
}
Element update = (Element) temp;
int updateCommand = -1;
tagName = update.getNamespaceURI() + update.getLocalName();
if (tagName.equals("DAV:set")) {
updateCommand = set;
} else if (tagName.equals("DAV:remove")) {
updateCommand = remove;
} else {
throw new WebDAVException(
WebDAVStatus.SC_UNPROCESSABLE_ENTITY,
update.getTagName() + " is not a valid property update request");
}
// iterate through the props in the set or remove element and update the
// properties as directed
Element prop = (Element) update.getElementsByTagNameNS("DAV:", "prop").item(0);
if (prop == null) {
throw new WebDAVException(
WebDAVStatus.SC_UNPROCESSABLE_ENTITY, "no propeprties in update request");
}
NodeList propsToUpdate = prop.getChildNodes();
for (int j = 0; j < propsToUpdate.getLength(); j++) {
temp = propsToUpdate.item(j);
// skip any TXText elements??
if (!(temp.getNodeType() == Node.ELEMENT_NODE)) {
continue;
}
Element propToUpdate = (Element) temp;
// find the property in the properties element
Element property = null;
PropertyName propertyName = new PropertyName(propToUpdate);
if (((Element) propToUpdate).getNamespaceURI() != null) {
property =
(Element)
properties
.getElementsByTagNameNS(
propToUpdate.getNamespaceURI(), propToUpdate.getLocalName())
.item(0);
} else {
property = (Element) properties.getElementsByTagName(propToUpdate.getTagName()).item(0);
}
boolean liveone = isLive(propertyName.asExpandedString());
if (liveone) {
errorsOccurred = true;
PropertyResponse response = new PropertyResponse(resource.getURL().toString());
response.addProperty(propertyName, propToUpdate, WebDAVStatus.SC_FORBIDDEN);
multiStatus.addResponse(response);
}
// do the update
if (updateCommand == set) {
if (property != null) {
try {
properties.removeChild(property);
} catch (DOMException exc) {
}
}
if (!liveone) {
// I don't think we're allowed to update live properties
// here. Doing so effects the cache. A case in
// point is the lockdiscoveryproperty. properties
// is actually the properites cache "document" of this
// resource. Even though we don't "save" the request
// if it includes live properties, we don't remove
// it from the cache after we'd set it here, so it
// can affect other queries. (jlc 991002)
properties.appendChild(propertiesDocument.importNode(propToUpdate, true));
propsGood.addElement(propToUpdate);
}
} else if (updateCommand == remove) {
try {
if (property != null) {
properties.removeChild(property);
propsGood.addElement(propToUpdate);
}
} catch (DOMException exc) {
}
}
}
}
{
Enumeration els = propsGood.elements();
for (; els.hasMoreElements(); ) {
Object ob1 = els.nextElement();
Element elProp = (Element) ob1;
PropertyName pn = new PropertyName(elProp);
PropertyResponse response = new PropertyResponse(resource.getURL().toString());
response.addProperty(
pn,
(Element) elProp.cloneNode(false),
(errorsOccurred ? WebDAVStatus.SC_FAILED_DEPENDENCY : WebDAVStatus.SC_OK));
// todo: add code for responsedescription
multiStatus.addResponse(response);
}
}
// write out the properties
if (!errorsOccurred) {
resource.saveProperties(propertiesDocument);
}
return multiStatus;
}