/**
* Returns a processor handling XQuery queries. Suitable processor is found by matching return
* type and handled extension.
*/
private Processor<ModuleNode> getXQueryProcessor() {
for (final Processor p : Lookup.getDefault().lookupAll(Processor.class)) {
if (p.getResultType().equals(ModuleNode.class) && p.getExtension().equals("xq")) {
return p;
}
}
return null;
}
/**
* Returns the map (folder - (extension - processor) ) of all processors installed in this
* NetBeans which process IG.
*/
@SuppressWarnings("unchecked")
private Map<FolderType, Map<String, Processor<Element>>> getRegisteredProcessors() {
final Map<FolderType, Map<String, Processor<Element>>> ret =
new HashMap<FolderType, Map<String, Processor<Element>>>();
for (final FolderType ft : FolderType.values()) {
ret.put(ft, new HashMap<String, Processor<Element>>());
}
for (final Processor p : Lookup.getDefault().lookupAll(Processor.class)) {
if (p.getResultType().equals(Element.class)) {
if (p.processUndefined()) {
ret.get(p.getFolder()).put("*", p);
}
ret.get(p.getFolder()).put(p.getExtension(), p);
}
}
return ret;
}
/**
* Processes files with XQuery queries by supplying them to the specified processor. Result is a
* list of respective syntax trees.
*/
private List<ModuleNode> processXQueries(
final Collection<File> files, final Processor<ModuleNode> xqueryProcessor)
throws InterruptedException {
if (BaseUtils.isEmpty(files) || xqueryProcessor == null) {
return new ArrayList<ModuleNode>(0);
}
final List<ModuleNode> ret = new ArrayList<ModuleNode>();
for (final File f : files) {
if (Thread.interrupted()) {
throw new InterruptedException();
}
try {
if (FileUtils.getExtension(f.getAbsolutePath()).equals(xqueryProcessor.getExtension())) {
/* TODO rio Interface of input processor requires List as a return type
* but our XQuery processor returns only one syntax tree per file. So
* it is at index 0. An empty list indicates parsing error.
*/
final List<ModuleNode> syntaxTree = xqueryProcessor.process(new FileInputStream(f));
if (syntaxTree.size() > 0) {
assert (syntaxTree.size() == 1);
ret.add(syntaxTree.get(0));
} else {
LOG.error(
"Error in XQuery file "
+ f.getAbsolutePath()
+ ". Try to strip it of empty lines and comments."); // TODO rio Fix weird
// parsing errors.
}
}
} catch (final FileNotFoundException e) {
throw new RuntimeException("File not found: " + f.getAbsolutePath(), e);
}
}
return ret;
}