private QueryResult gatherResultInfoForSelectQuery( String queryString, int queryNr, boolean sorted, Document doc, String[] rows) { Element root = doc.getRootElement(); // Get head information Element child = root.getChild("head", Namespace.getNamespace("http://www.w3.org/2005/sparql-results#")); // Get result rows (<head>) List headChildren = child.getChildren( "variable", Namespace.getNamespace("http://www.w3.org/2005/sparql-results#")); Iterator it = headChildren.iterator(); ArrayList<String> headList = new ArrayList<String>(); while (it.hasNext()) { headList.add(((Element) it.next()).getAttributeValue("name")); } List resultChildren = root.getChild("results", Namespace.getNamespace("http://www.w3.org/2005/sparql-results#")) .getChildren( "result", Namespace.getNamespace("http://www.w3.org/2005/sparql-results#")); int nrResults = resultChildren.size(); QueryResult queryResult = new QueryResult(queryNr, queryString, nrResults, sorted, headList); it = resultChildren.iterator(); while (it.hasNext()) { Element resultElement = (Element) it.next(); String result = ""; // get the row values and paste it together to one String for (int i = 0; i < rows.length; i++) { List bindings = resultElement.getChildren( "binding", Namespace.getNamespace("http://www.w3.org/2005/sparql-results#")); String rowName = rows[i]; for (int j = 0; j < bindings.size(); j++) { Element binding = (Element) bindings.get(j); if (binding.getAttributeValue("name").equals(rowName)) if (result.equals("")) result += rowName + ": " + ((Element) binding.getChildren().get(0)).getTextNormalize(); else result += "\n" + rowName + ": " + ((Element) binding.getChildren().get(0)).getTextNormalize(); } } queryResult.addResult(result); } return queryResult; }
/** * This will add the prefix mapping to the JDOM <code>Document</code> object. * * @param prefix <code>String</code> namespace prefix. * @param uri <code>String</code> namespace URI. */ public void startPrefixMapping(String prefix, String uri) throws SAXException { if (suppress) return; Namespace ns = Namespace.getNamespace(prefix, uri); declaredNamespaces.add(ns); }
/** * This reports the occurrence of an actual element. It will include the element's attributes, * with the exception of XML vocabulary specific attributes, such as <code> * xmlns:[namespace prefix]</code> and <code>xsi:schemaLocation</code>. * * @param namespaceURI <code>String</code> namespace URI this element is associated with, or an * empty <code>String</code> * @param localName <code>String</code> name of element (with no namespace prefix, if one is * present) * @param qName <code>String</code> XML 1.0 version of element name: [namespace * prefix]:[localName] * @param atts <code>Attributes</code> list for this element * @throws SAXException when things go wrong */ public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException { if (suppress) return; Element element = null; if ((namespaceURI != null) && (!namespaceURI.equals(""))) { String prefix = ""; // Determine any prefix on the Element if (!qName.equals(localName)) { int split = qName.indexOf(":"); prefix = qName.substring(0, split); } Namespace elementNamespace = Namespace.getNamespace(prefix, namespaceURI); element = factory.element(localName, elementNamespace); } else { element = factory.element(localName); } // Take leftover declared namespaces and add them to this element's // map of namespaces if (declaredNamespaces.size() > 0) { transferNamespaces(element); } // Handle attributes for (int i = 0, len = atts.getLength(); i < len; i++) { Attribute attribute = null; String attLocalName = atts.getLocalName(i); String attQName = atts.getQName(i); int attType = getAttributeType(atts.getType(i)); // Bypass any xmlns attributes which might appear, as we got // them already in startPrefixMapping(). // This is sometimes necessary when SAXHandler is used with // another source than SAXBuilder, as with JDOMResult. if (attQName.startsWith("xmlns:") || attQName.equals("xmlns")) { continue; } // First clause per http://markmail.org/message/2p245ggcjst27xe6 // patch from Mattias Jiderhamn if ("".equals(attLocalName) && attQName.indexOf(":") == -1) { attribute = factory.attribute(attQName, atts.getValue(i), attType); } else if (!attQName.equals(attLocalName)) { String attPrefix = attQName.substring(0, attQName.indexOf(":")); Namespace attNs = Namespace.getNamespace(attPrefix, atts.getURI(i)); attribute = factory.attribute(attLocalName, atts.getValue(i), attType, attNs); } else { attribute = factory.attribute(attLocalName, atts.getValue(i), attType); } factory.setAttribute(element, attribute); } flushCharacters(); if (atRoot) { document.setRootElement(element); // XXX should we use a factory call? atRoot = false; } else { factory.addContent(getCurrentElement(), element); } currentElement = element; }