/** Map publicid to a resource accessible by a classloader. */
public void registerCatalogEntry(String publicId, String resourceName, ClassLoader loader) {
if (id2resource == null) id2resource = new Hashtable(17);
id2resource.put(publicId, resourceName);
if (loader != null) {
if (id2loader == null) id2loader = new Hashtable(17);
id2loader.put(publicId, loader);
}
}
/**
* Get the named properties for this resource and (potentially) its children.
*
* @param names an arrary of property names to retrieve
* @return a MultiStatus of PropertyResponses
* @exception com.ibm.webdav.WebDAVException
*/
public MultiStatus getProperties(PropertyName[] names) throws WebDAVException {
MultiStatus multiStatus = resource.getProperties(resource.getContext());
MultiStatus newMultiStatus = new MultiStatus();
Enumeration responses = multiStatus.getResponses();
while (responses.hasMoreElements()) {
PropertyResponse response = (PropertyResponse) responses.nextElement();
PropertyResponse newResponse = new PropertyResponse(response.getResource());
newResponse.setDescription(response.getDescription());
newMultiStatus.addResponse(newResponse);
Hashtable properties = (Hashtable) response.getPropertiesByPropName();
// Hashtable newProperties = (Hashtable) newResponse.getProperties();
for (int i = 0; i < names.length; i++) {
if (properties.containsKey(names[i])) {
PropertyValue srcval = response.getProperty(names[i]);
newResponse.setProperty(names[i], srcval);
// newProperties.put(names[i], properties.get(names[i]));
} else {
Document factory = null;
try {
factory = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
} catch (Exception e) {
throw new WebDAVException(WebDAVStatus.SC_INTERNAL_SERVER_ERROR, e.getMessage());
}
// we'll create an xml element with no value because that's
// what webdav will need to return for most methods... even if the
// property doesn't exist. That's because the
// distinction between a propertyname and propertyvalue
// is fuzzy in WebDAV xml. A property name is
// essentially an empty property value because
// all property values have their property
// name stuck on.
// if we decide to set reviewStatus to null instead (as
// we did previously, then the code for MultiStatus.asXML()
// needs to be updated to expect null values.
// (jlc 990520)
Element elTm = factory.createElementNS("X", "X:" + names[i].getLocal());
elTm.setAttribute("xmlns:X", names[i].getNamespace());
newResponse.addProperty(names[i], elTm, WebDAVStatus.SC_NOT_FOUND);
}
}
}
return newMultiStatus;
}
// return the resource as a stream
private InputStream mapResource(String publicId) {
if (publicId == null || id2resource == null) return null;
String resourceName = (String) id2resource.get(publicId);
ClassLoader loader = null;
if (resourceName == null) return null;
if (id2loader != null) loader = (ClassLoader) id2loader.get(publicId);
if (loader == null) return ClassLoader.getSystemResourceAsStream(resourceName);
return loader.getResourceAsStream(resourceName);
}
public void remove(Track track) {
synchronized (this) {
docElt.removeChild(track.getElement());
tracks.remove(track);
hash.remove(track.getKey());
}
}
public Track add(Track track) {
synchronized (this) {
Track copy;
if ((copy = getTrack(track)) == null) {
copy = new Track((Element) doc.importNode(track.getElement(), false));
docElt.appendChild(copy.getElement());
tracks.add(copy);
hash.put(copy.getKey(), copy);
}
return copy;
}
}
/**
* Reads the children of an XML element and matches them to properties of a bean.
*
* @param ob The bean to receive the values
* @param element The element the corresponds to the bean
* @throws IOException If there is an error reading the document
*/
public void readObject(Object ob, Element element) throws IOException {
// If the object is null, skip the element
if (ob == null) {
return;
}
try {
BeanInfo info = (BeanInfo) beanCache.get(ob.getClass());
if (info == null) {
// Get the bean info for the object
info = Introspector.getBeanInfo(ob.getClass(), Object.class);
beanCache.put(ob.getClass(), info);
}
// Get the object's properties
PropertyDescriptor[] props = info.getPropertyDescriptors();
// Get the attributes of the node
NamedNodeMap attrs = element.getAttributes();
// Get the children of the XML element
NodeList nodes = element.getChildNodes();
int numNodes = nodes.getLength();
for (int i = 0; i < props.length; i++) {
// Treat indexed properties a little differently
if (props[i] instanceof IndexedPropertyDescriptor) {
readIndexedProperty(ob, (IndexedPropertyDescriptor) props[i], nodes, attrs);
} else {
readProperty(ob, props[i], nodes, attrs);
}
}
} catch (IntrospectionException exc) {
throw new IOException(
"Error getting bean info for " + ob.getClass().getName() + ": " + exc.toString());
}
}
public void load(InputStream is) throws IOException, ParserConfigurationException, SAXException {
doc = db.parse(is);
docElt = doc.getDocumentElement();
if (docElt.getTagName().equals(docElementName)) {
NodeList nl = docElt.getElementsByTagName(trackElementName);
for (int i = 0; i < nl.getLength(); i++) {
Element elt = (Element) nl.item(i);
Track track = new Track(elt);
tracks.add(track);
hash.put(track.getKey(), track);
}
}
}
public static void loadDict(String strDict) {
try {
BufferedReader br = new BufferedReader(new FileReader(strDict));
String line = null;
while ((line = br.readLine()) != null) {
int idx = line.indexOf(',');
if (idx > 0) {
htDict.put(line.substring(0, idx), line.substring(idx + 1));
}
}
} catch (FileNotFoundException fnfe) {
fnfe.printStackTrace(System.out);
} catch (IOException ioe) {
ioe.printStackTrace(System.out);
}
}
/** SAX entity resolver */
public InputSource resolveEntity(String name, String uri) throws IOException, SAXException {
InputSource retval;
String mappedURI = name2uri(name);
InputStream stream = mapResource(name);
// prefer explicit URI mappings, then bundled resources...
if (mappedURI != null) {
retval = new InputSource(mappedURI);
retval.setPublicId(name);
return retval;
} else if (stream != null) {
uri = "java:resource:" + (String) id2resource.get(name); // NOI18N
retval = new InputSource(stream);
retval.setPublicId(name);
return retval;
} else {
return null;
}
}
/**
* XML Circuit constructor
*
* @param file the file that contains the XML description of the circuit
* @param g the graphics that will paint the node
* @throws CircuitLoadingException if the internal circuit can not be loaded
*/
public CircuitUI(File file, Graphics g) throws CircuitLoadingException {
this("");
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
Document doc;
Element root;
Hashtable<Integer, Link> linkstable = new Hashtable<Integer, Link>();
try {
builder = factory.newDocumentBuilder();
doc = builder.parse(file);
} catch (SAXException sxe) {
throw new CircuitLoadingException("SAX exception raised, invalid XML file.");
} catch (ParserConfigurationException pce) {
throw new CircuitLoadingException(
"Parser exception raised, parser configuration is invalid.");
} catch (IOException ioe) {
throw new CircuitLoadingException("I/O exception, file cannot be loaded.");
}
root = (Element) doc.getElementsByTagName("Circuit").item(0);
this.setName(root.getAttribute("name"));
NodeList nl = root.getElementsByTagName("Node");
Element e;
Node n;
Class cl;
for (int i = 0; i < nl.getLength(); ++i) {
e = (Element) nl.item(i);
try {
cl = Class.forName(e.getAttribute("class"));
} catch (Exception exc) {
System.err.println(exc.getMessage());
throw new RuntimeException("Circuit creation from xml.");
}
try {
n = ((Node) cl.newInstance());
} catch (Exception exc) {
System.err.println(exc.getMessage());
throw new RuntimeException("Circuit creation from xml.");
}
this.nodes.add(n);
n.setLocation(new Integer(e.getAttribute("x")), new Integer(e.getAttribute("y")));
if (n instanceof giraffe.ui.Nameable) ((Nameable) n).setNodeName(e.getAttribute("node_name"));
if (n instanceof giraffe.ui.CompositeNode) {
try {
((CompositeNode) n)
.load(new File(file.getParent() + "/" + e.getAttribute("file_name")), g);
} catch (Exception exc) {
/* try to load from the lib */
((CompositeNode) n)
.load(new File(giraffe.Giraffe.PATH + "/lib/" + e.getAttribute("file_name")), g);
}
}
NodeList nlist = e.getElementsByTagName("Anchor");
Element el;
for (int j = 0; j < nlist.getLength(); ++j) {
el = (Element) nlist.item(j);
Anchor a = n.getAnchor(new Integer(el.getAttribute("id")));
NodeList linklist = el.getElementsByTagName("Link");
Element link;
Link l;
for (int k = 0; k < linklist.getLength(); ++k) {
link = (Element) linklist.item(k);
int id = new Integer(link.getAttribute("id"));
int index = new Integer(link.getAttribute("index"));
if (id >= this.linkID) linkID = id + 1;
if (linkstable.containsKey(id)) {
l = linkstable.get(id);
l.addLinkedAnchorAt(a, index);
a.addLink(l);
} else {
l = new Link(id);
l.addLinkedAnchorAt(a, index);
this.links.add(l);
linkstable.put(id, l);
a.addLink(l);
}
}
}
}
}
public Track getTrack(String key) {
return (Track) hash.get(key);
}
public static PetriNet convert(ConfigurableEPC baseEPC) {
HashMap<EPCFunction, Transition> functionActivityMapping;
HashMap<EPCConnector, Place> xorconnectorChoiceMapping;
// HV: Initialize the mappings.
functionActivityMapping = new HashMap<EPCFunction, Transition>();
xorconnectorChoiceMapping = new HashMap<EPCConnector, Place>();
// Check to use the weights if necessary
// HV: Add both mappings. On completion, these will be filledd.
PetriNet petrinet =
EPCToPetriNetConverter.convert(
baseEPC, new HashMap(), functionActivityMapping, xorconnectorChoiceMapping);
HashSet visible = new HashSet();
// HV: The next block is taken care of by the functionActivityMapping
// below.
/*
* Iterator it = petrinet.getTransitions().iterator(); while
* (it.hasNext()) { Transition t = (Transition) it.next(); if (t.object
* instanceof EPCFunction) { // if (t.getLogEvent() != null) { // Add
* transitions with LogEvent (i.e. referring to functions)
* visible.add(t); } }
*/
// HV: Prevent the places mapped onto from being reduced.
visible.addAll(functionActivityMapping.values());
visible.addAll(xorconnectorChoiceMapping.values());
Message.add(visible.toString(), Message.DEBUG);
Iterator it = petrinet.getPlaces().iterator();
while (it.hasNext()) {
Place p = (Place) it.next();
if (p.inDegree() * p.outDegree() == 0) {
// Add Initial and final places to visible, i.e. places that
// refer to in and output events
visible.add(p);
}
}
// Reduce the PetriNet with Murata rules, while keeping the visible ones
PetriNetReduction pnred = new PetriNetReduction();
pnred.setNonReducableNodes(visible);
HashMap pnMap = new HashMap(); // Used to map pre-reduction nodes to
// post-reduction nodes.
PetriNet reduced = pnred.reduce(petrinet, pnMap);
if (reduced != petrinet) {
// Update both mappings from pre-reduction nodes to post-reduction
// nodes.
HashMap<EPCFunction, Transition> newFunctionActivityMapping =
new HashMap<EPCFunction, Transition>();
for (EPCFunction function : functionActivityMapping.keySet()) {
Transition transition = (Transition) functionActivityMapping.get(function);
if (pnMap.keySet().contains(transition)) {
newFunctionActivityMapping.put(function, (Transition) pnMap.get(transition));
}
}
functionActivityMapping = newFunctionActivityMapping;
HashMap<EPCConnector, Place> newXorconnectorChoiceMapping =
new HashMap<EPCConnector, Place>();
for (EPCConnector connector : xorconnectorChoiceMapping.keySet()) {
Place place = (Place) xorconnectorChoiceMapping.get(connector);
if (pnMap.keySet().contains(place)) {
newXorconnectorChoiceMapping.put(connector, (Place) pnMap.get(place));
}
}
xorconnectorChoiceMapping = newXorconnectorChoiceMapping;
}
reduced.makeClusters();
// filter the \nunknown:normal
ArrayList<Transition> alTrans = reduced.getVisibleTasks();
for (int i = 0; i < alTrans.size(); i++) {
Transition t = alTrans.get(i);
String id = t.getIdentifier();
int idx = id.indexOf("\\nunknown:normal");
if (idx > 0) {
id = id.substring(0, idx);
}
// �˴������ֵ��ѯ�滻���е�label
String mappedId = htDict.get(id);
if (mappedId != null) {
t.setIdentifier(mappedId);
} else {
t.setIdentifier(id);
}
}
return reduced;
}
// maps the public ID to an alternate URI, if one is registered
private String name2uri(String publicId) {
if (publicId == null || id2uri == null) return null;
return (String) id2uri.get(publicId);
}
public void registerCatalogEntry(String publicId, String uri) {
if (id2uri == null) id2uri = new Hashtable(17);
id2uri.put(publicId, uri);
}