\r
public class XMLParser extends DefaultHandler implements Serializable {\r
\r
+ public static String PLUGIN_ID = "org.simantics.xml.sax.base";\r
+ public static String XML_NAMESPACE_REF = "xmlns";\r
+ \r
private static final long serialVersionUID = 7360740940824360338L;\r
private static final boolean debug = false;\r
+ \r
private ILogger logger;\r
+ private WriteGraph graph;\r
private Resource root;\r
- private Deque<Element> current = new ArrayDeque<Element>();\r
+ private String schemaURI;\r
+ private Deque<ParserElement> current = new ArrayDeque<ParserElement>();\r
private Map<String, XMLElementParser> parsers = new HashMap<String, XMLElementParser>();\r
- private WriteGraph graph;\r
- \r
private Map<Class<? extends XMLElementParser>, XMLElementParser> namedParsers = new HashMap<Class<? extends XMLElementParser>, XMLElementParser>();\r
+ private Map<String, XMLParser> subParsers = new HashMap<String, XMLParser>();\r
+ \r
+ public XMLParser() {\r
\r
- public XMLParser(WriteGraph graph) {\r
+ }\r
+ \r
+ public WriteGraph getGraph() {\r
+ return graph;\r
+ }\r
+ \r
+ public void setGraph(WriteGraph graph) {\r
this.graph = graph;\r
+ for (XMLParser p : subParsers.values())\r
+ p.setGraph(graph);\r
+ }\r
+ \r
+ public String getSchemaURI() {\r
+ return schemaURI;\r
+ }\r
+ \r
+ public void setSchemaURI(String schemaURI) {\r
+ this.schemaURI = schemaURI;\r
}\r
\r
public void add(XMLElementParser parser) {\r
namedParsers.put(parser.getClass(), parser);\r
}\r
\r
+ public void add(XMLParser parser) {\r
+ subParsers.put(parser.getSchemaURI(), parser);\r
+ }\r
\r
- private List<Element> idReferenceElements = new ArrayList<Element>();\r
- private void loadElement(Deque<Element> parents, Element element) throws SAXException{\r
+ private List<ParserElement> idReferenceElements = new ArrayList<ParserElement>();\r
+ private void loadElement(Deque<ParserElement> parents, ParserElement element) throws SAXException{\r
XMLElementParser parser = null;\r
- Element parent = null;\r
+ ParserElement parent = null;\r
if (parents.size() > 0) {\r
parent = parents.peek();\r
- if (parent.getParser() instanceof XMLElementNamedChildParser) {\r
+ // check for assigned subparser\r
+ if (parent.getXMLParser() != null && parent.getXMLParser() != this) {\r
+ element.setXMLParser(parent.getXMLParser());\r
+ parent.getXMLParser().loadElement(parents, element);\r
+ return;\r
+ }\r
+ if (parent.getElementParser() instanceof XMLElementNamedChildParser) {\r
// use parent's named child parser if it is supported\r
- Class<? extends XMLElementParser> parserClass = ((XMLElementNamedChildParser)parent.getParser()).getParser(parsers,parent,element);\r
+ Class<? extends XMLElementParser> parserClass = ((XMLElementNamedChildParser)parent.getElementParser()).getParser(parsers,parent,element);\r
if (parserClass != null) {\r
parser = namedParsers.get(parserClass);\r
if (parser == null) {\r
parser = parserClass.newInstance();\r
namedParsers.put(parserClass, parser);\r
} catch (IllegalAccessException | InstantiationException e) {\r
- String err = "Element parsers must have accessible default constructor";\r
+ String err = "Error processing " + parserClass.getName() + " : element parsers must have accessible default constructor";\r
logger.log(new Status(IStatus.ERROR, PLUGIN_ID, err));\r
throw new SAXException(err, e);\r
}\r
element.setData(parser.create(graph, element));\r
if (parser instanceof IDReferenceParser)\r
idReferenceElements.add(element);\r
- element.setParser(parser);\r
+ element.setElementParser(parser);\r
} catch (DatabaseException e) {\r
throw new SAXException(e);\r
}\r
} else {\r
- if (parent == null && parents.size() > 0)\r
- parent = parents.peek();\r
- String err = "Unknown element " + element.qName + ", parent " + (parent != null ? parent.getQName() : "None");\r
- logger.log(new Status(IStatus.ERROR, PLUGIN_ID, err));\r
- if (debug) System.err.println(err);\r
+ // check for schema reference attempt to locate subparser for it.\r
+ Attribute schemaRef = element.getAttribute(XML_NAMESPACE_REF);\r
+ if (schemaRef != null && subParsers.containsKey(schemaRef.value)) {\r
+ XMLParser subParser = subParsers.get(schemaRef.value);\r
+ subParser.loadElement(parents, element);\r
+ element.setXMLParser(subParser);\r
+ } else {\r
+ if (parent == null && parents.size() > 0)\r
+ parent = parents.peek();\r
+ String err = "Unknown element " + element.qName + ", parent " + (parent != null ? parent.getQName() : "None");\r
+ logger.log(new Status(IStatus.ERROR, PLUGIN_ID, err));\r
+ if (debug) System.err.println(err);\r
+ }\r
}\r
}\r
\r
- private Map<String, Element> idMap = new HashMap<String, Element>();\r
+ private Map<String, ParserElement> idMap = new HashMap<String, ParserElement>();\r
\r
- private void handleElement(Deque<Element> parents, Element element) throws SAXException{\r
- XMLElementParser parser = element.getParser();\r
+ private void handleElement(Deque<ParserElement> parents, ParserElement element) throws SAXException{\r
+ XMLElementParser parser = element.getElementParser();\r
if (parser != null) {\r
try {\r
parser.configure(graph, parents, element);\r
if (parents.size() > 0) {\r
- Element parent = parents.peek();\r
- if (parent.getParser() != null) {\r
- if (!parent.getParser().connectChild(graph, parent, element))\r
+ ParserElement parent = parents.peek();\r
+ if (parent.getElementParser() != null) {\r
+ if (!parent.getElementParser().connectChild(graph, parent, element))\r
if (!parser.connectParent(graph, parent, element)) {\r
String err = "Did not connect element " + element.qName + ", parent " + (parent != null ? parent.getQName() : "None");\r
logger.log(new Status(IStatus.ERROR, PLUGIN_ID, err));\r
}\r
String id = parser.getID();\r
if (id != null) {\r
- Element existing = idMap.put(id, element);\r
+ ParserElement existing = idMap.put(id, element);\r
if (existing != null) {\r
// report error + use id priorities to select the kept element.\r
- boolean useExt = existing.parser.idPriority() > element.parser.idPriority();\r
+ boolean useExt = existing.elementParser.idPriority() > element.elementParser.idPriority();\r
if (useExt)\r
idMap.put(id, existing);\r
String err = "Duplicate XML element id: " + id + " for " + element.getQName() + " and " + existing.getQName() + ", using " + (useExt ? existing.getQName() : element.getQName());\r
throw new SAXException(e);\r
}\r
} else {\r
- Element parent = parents.peek();\r
+ ParserElement parent = parents.peek();\r
if (parent != null) { \r
- parser = parent.getParser();\r
+ parser = parent.getElementParser();\r
if (parser != null && parser instanceof UnrecognizedElementParser) {\r
try {\r
((UnrecognizedElementParser)parser).configureChild(graph, parents, parent, element);\r
}\r
}\r
\r
- private void handleCharacters(Element element, String string) throws SAXException{\r
- XMLElementParser parser = element.getParser();\r
+ private void handleCharacters(ParserElement element, String string) throws SAXException{\r
+ XMLElementParser parser = element.getElementParser();\r
if (parser != null) {\r
try {\r
parser.configure(graph, element, string);\r
}\r
}\r
\r
- private static String PLUGIN_ID = "org.simantics.xml.sax.base";\r
+ \r
\r
public void done() throws SAXException{\r
try {\r
- for (Element e : idReferenceElements) {\r
+ for (ParserElement e : idReferenceElements) {\r
IDReferenceParser parser = (IDReferenceParser)parsers.get(e.qName);\r
if (!parser.connectReferences(graph, e, idMap)) {\r
String err ="Could not resolve ID references for " + e.getQName() + " " + e.getUri();\r
return root;\r
}\r
\r
+ StringBuilder charactersValue;\r
+ \r
@Override\r
public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {\r
- Element e = new Element(uri,localName,name,attributes);\r
+ ParserElement e = new ParserElement(uri,localName,name,attributes);\r
\r
loadElement(current,e);\r
current.push(e);\r
+ \r
+ charactersValue = new StringBuilder();\r
}\r
\r
@Override\r
public void endElement(String uri, String localName, String name)\r
throws SAXException {\r
- Element e = null;\r
+ ParserElement e = null;\r
if (!current.isEmpty()) {\r
e = current.pop();\r
}\r
if (e != null) {\r
+ if (charactersValue.length() > 0)\r
+ handleCharacters(e, charactersValue.toString());\r
handleElement(current,e);\r
}\r
if (current.isEmpty()) {\r
root = e.getData();\r
}\r
+ \r
+ charactersValue = new StringBuilder();\r
}\r
\r
@Override\r
public void characters(char[] ch, int start, int length)\r
throws SAXException {\r
- \r
- if (!current.isEmpty()) {\r
- String s = new String(ch,start,length);\r
- Element e = current.peek();\r
- handleCharacters(e, s);\r
- }\r
+ charactersValue.append(new String(ch,start,length));\r
+// if (!current.isEmpty()) {\r
+// String s = new String(ch,start,length);\r
+// Element e = current.peek();\r
+// handleCharacters(e, s);\r
+// }\r
\r
}\r
\r
Code Review / simantics / interop.git / blobdiff