private void load_snap_from_xml(Element snap, StructureCollection structs, LinkedList tempList)
throws VisualizerLoadException {
Iterator iterator = snap.getChildren().iterator();
if (!iterator.hasNext()) throw new VisualizerLoadException("Ran out of elements");
structs.loadTitle((Element) (iterator.next()), tempList, this);
structs.calcDimsAndStartPts(tempList, this);
if (!iterator.hasNext()) return;
Element child = (Element) iterator.next();
if (child.getName().compareTo("doc_url") == 0) {
// load the doc_url
add_a_documentation_URL(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("pseudocode_url") == 0) {
// load the psuedocode_url
add_a_pseudocode_URL(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("audio_text") == 0) {
// load the psuedocode_url
add_audio_text(child.getText().trim());
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
// create & load the individual structures, hooking them into the StructureCollection.
// linespernode : calculate it at end of loadStructure call
while (child.getName().compareTo("question_ref") != 0) {
StructureType child_struct = assignStructureType(child);
child_struct.loadStructure(child, tempList, this);
structs.addChild(child_struct);
if (!iterator.hasNext()) return;
child = (Element) iterator.next();
}
if (child.getName().compareTo("question_ref") == 0) {
// set up question ref
add_a_question_xml(child.getAttributeValue("ref"));
} else
// should never happen
throw new VisualizerLoadException(
"Expected question_ref element, but found " + child.getName());
if (iterator.hasNext()) {
child = (Element) iterator.next();
throw new VisualizerLoadException(
"Found " + child.getName() + " when expecting end of snap.");
}
} // load_snap_from_xml
public Element handleEnumVal(Element type, long cv, String name, String comment, String mask)
throws org.jdom2.DataConversionException {
Element r;
if (mask != null && !mask.equals("")) {
r = new Element("bit");
r.setAttribute("size", "8");
r.setAttribute("mask", maskToInt(mask));
} else {
r = new Element("int");
}
r.setAttribute("origin", "" + (4278190080L + cv));
r.addContent(new Element("name").addContent(name));
if (comment != null && !comment.equals(""))
r.addContent(new Element("description").addContent(comment));
Element map = new Element("map");
int counter = 0;
r.addContent(map);
for (Object c : type.getChildren("enumChoice")) {
Element choice = (Element) c;
if (choice.getAttribute("value") != null) {
counter = choice.getAttribute("value").getIntValue();
}
String cname = choice.getAttributeValue("choice");
for (Object oc : choice.getChildren("choice")) {
Element ec = (Element) oc;
if (ec.getAttributeValue("lang", "xml").equals("")) cname = ec.getText();
}
Element relation = new Element("relation");
map.addContent(relation);
relation.addContent(new Element("property").addContent("" + counter));
relation.addContent(new Element("value").addContent(cname));
counter++;
}
return r;
}
public void addVariables(Element inRoot) throws org.jdom2.DataConversionException {
Element vs = inRoot.getChild("decoder").getChild("variables");
Element segment = new Element("segment");
segment.setAttribute("space", "253");
root.addContent(segment);
Iterator it = vs.getDescendants();
while (it.hasNext()) {
Object o = it.next();
if (o instanceof Element) {
Element e = (Element) o;
if (e.getName().equals("variable")) {
// get common attributes
String comment = e.getAttributeValue("comment");
for (Object oc : e.getChildren("comment")) {
Element ec = (Element) oc;
if (ec.getAttributeValue("lang", "xml").equals("")) comment = ec.getText();
}
String name = e.getAttributeValue("label");
if (name.equals("")) name = e.getAttributeValue("item");
for (Object on : e.getChildren("label")) {
Element en = (Element) on;
if (en.getAttributeValue("lang", "xml").equals("")) name = en.getText();
}
long cv = e.getAttribute("CV").getIntValue();
// find subtype and process
Element type;
type = e.getChild("decVal");
if (type != null) {
segment.addContent(handleDecVal(type, cv, name, comment, e.getAttributeValue("mask")));
continue;
}
type = e.getChild("enumVal");
if (type != null) {
segment.addContent(handleEnumVal(type, cv, name, comment, e.getAttributeValue("mask")));
continue;
}
type = e.getChild("shortAddressVal");
if (type != null) {
segment.addContent(handleShortAddressVal(type, cv, name, comment));
continue;
}
type = e.getChild("longAddressVal");
if (type != null) {
segment.addContent(handleLongAddressVal(type, cv, name, comment));
continue;
}
}
}
}
}
public void addHeader(Element inRoot) {
Element id = new Element("identification");
String mfg = inRoot.getChild("decoder").getChild("family").getAttributeValue("mfg");
id.addContent(new Element("manufacturer").addContent(mfg));
String name = inRoot.getChild("decoder").getChild("family").getAttributeValue("name");
id.addContent(new Element("model").addContent(name));
id.addContent(new Element("hardwareVersion"));
id.addContent(new Element("softwareVersion"));
// add models in map, if any
Element map = new Element("map");
for (Object o : inRoot.getChild("decoder").getChild("family").getChildren("model")) {
Element e = (Element) o;
Element relation = new Element("relation");
relation.addContent(new Element("property").addContent("Model"));
relation.addContent(new Element("value").addContent(e.getAttributeValue("model")));
map.addContent(relation);
}
id.addContent(map);
root.addContent(id);
}
private StructureType assignStructureType(Element structure) throws VisualizerLoadException {
String name = structure.getName().toLowerCase();
if (name.compareTo("graph") == 0) {
if (structure.getAttributeValue("weighted").compareTo("true") == 0)
return new Graph_Network("NETWORK");
else return new Graph_Network("GRAPH");
} else if (name.equals("array")) return new MD_Array();
else if (name.equals("no3darray")) return new No3darray();
else if (name.equals("linkedlist")) return new VisLinkedList();
else if (name.equals("no3dlinkedlist")) return new No3dLinkedList();
else if (name.equals("linkedlistnonull")) return new VisLinkedListNoNull();
else if (name.equals("bargraph")) return new BarScat("BAR");
else if (name.equals("scattergraph"))
return new BarScat(
"SCAT"); // not implemented in xml dtd, and does not have a load-from-xml method defined
else if (name.equals("stack")) return new Stack();
else if (name.equals("queue")) return new Queue();
else if (name.equals("tree")) {
if (structure.getChild("binary_node") != null) return new BinaryTree();
else return new GeneralTree();
} else if (name.equals("text")) return new TextStructure();
// if the XML element name is different from your structure's name, you can do something like
// this:
// else if( name.equalsIgnoreCase("node"))
// return new Node();
else if (name.equals("legend")) return new LegendofColors();
else {
// try dynamic typing
try {
return assignStructureType(name);
} catch (Exception e) {
throw new VisualizerLoadException(
"Unable to instantiate class \"" + name + "\":\n" + e.getMessage());
}
}
}