/**
* Loads the specified file with one of the loaders registered with this ModelLoaderRegistry. Uses
* the extension to determine which loader to use. The comparison of extensions is done case
* insensitive.
*
* @param file the file to be loaded
* @param hints the {@link ModelLoaderHints} to use
* @return the {@link Model}
* @throws GdxRuntimeException in case the model could not be loaded.
*/
public static Model load(FileHandle file, ModelLoaderHints hints) {
String name = file.name();
int dotIndex = name.lastIndexOf('.');
if (dotIndex == -1)
throw new GdxRuntimeException(
"file '"
+ file.name()
+ "' does not have an extension that can be matched to a ModelLoader");
String extension = name.substring(dotIndex + 1).toLowerCase();
Array<ModelLoader> loaders = ModelLoaderRegistry.loaders.get(extension);
if (loaders == null)
throw new GdxRuntimeException("no loaders for extension '" + extension + "'");
Model model = null;
StringBuilder errors = new StringBuilder();
for (int i = 0; i < loaders.size; i++) {
ModelLoader loader = loaders.get(i);
try {
model = loader.load(file, hints);
} catch (GdxRuntimeException e) {
errors.append(
"Couldn't load '"
+ file.name()
+ "' with loader of type "
+ loader.getClass().getSimpleName()
+ ": "
+ e.getMessage()
+ "\n");
}
}
if (model == null) throw new GdxRuntimeException(errors.toString());
else return model;
}
@SuppressWarnings("unchecked")
private Class<? extends DirectFileOutputDescription> generate(final Description description) {
emitDrivers.add(
new JavaDataModelDriver() {
@Override
public void generateResources(EmitContext context, ModelDeclaration model)
throws IOException {
EmitContext next =
new EmitContext(
context.getSemantics(),
context.getConfiguration(),
model,
"testing",
"MockFileOutputDescription");
DirectFileOutputDescriptionGenerator.generate(next, description);
}
});
ModelLoader loader = generateJavaFromLines("model = { prop : INT; };");
return (Class<? extends DirectFileOutputDescription>)
loader.load("testing", "MockFileOutputDescription");
}
/**
* Performs schema compilation and prints the status/error into the
* specified PrintStream.
*
* <p>
* This method could be used to trigger XJC from other tools,
* such as Ant or IDE.
*
* @param args
* specified command line parameters. If there is an error
* in the parameters, {@link BadCommandLineException} will
* be thrown.
* @param listener
* Receives messages from XJC reporting progress/errors.
*
* @return
* If the compiler runs successfully, this method returns 0.
* All non-zero values indicate an error. The error message
* will be sent to the specified PrintStream.
*/
public static int run(String[] args, @NotNull final XJCListener listener) throws BadCommandLineException {
// recognize those special options before we start parsing options.
for (String arg : args) {
if (arg.equals("-version")) {
listener.message(Messages.format(Messages.VERSION));
return -1;
}
}
final OptionsEx opt = new OptionsEx();
opt.setSchemaLanguage(Language.XMLSCHEMA); // disable auto-guessing
try {
opt.parseArguments(args);
} catch (WeAreDone _) {
return -1;
} catch(BadCommandLineException e) {
e.initOptions(opt);
throw e;
}
// display a warning if the user specified the default package
// this should work, but is generally a bad idea
if(opt.defaultPackage != null && opt.defaultPackage.length()==0) {
listener.message(Messages.format(Messages.WARNING_MSG, Messages.format(Messages.DEFAULT_PACKAGE_WARNING)));
}
// set up the context class loader so that the user-specified classes
// can be loaded from there
final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(
opt.getUserClassLoader(contextClassLoader));
// parse a grammar file
//-----------------------------------------
try {
if( !opt.quiet ) {
listener.message(Messages.format(Messages.PARSING_SCHEMA));
}
final boolean[] hadWarning = new boolean[1];
ErrorReceiver receiver = new ErrorReceiverFilter(listener) {
public void info(SAXParseException exception) {
if(opt.verbose)
super.info(exception);
}
public void warning(SAXParseException exception) {
hadWarning[0] = true;
if(!opt.quiet)
super.warning(exception);
}
@Override
public void pollAbort() throws AbortException {
if(listener.isCanceled())
throw new AbortException();
}
};
if( opt.mode==Mode.FOREST ) {
// dump DOM forest and quit
ModelLoader loader = new ModelLoader( opt, new JCodeModel(), receiver );
try {
DOMForest forest = loader.buildDOMForest(new XMLSchemaInternalizationLogic());
forest.dump(System.out);
return 0;
} catch (SAXException e) {
// the error should have already been reported
} catch (IOException e) {
receiver.error(e);
}
return -1;
}
if( opt.mode==Mode.GBIND ) {
try {
XSSchemaSet xss = new ModelLoader(opt, new JCodeModel(), receiver).loadXMLSchema();
Iterator<XSComplexType> it = xss.iterateComplexTypes();
while (it.hasNext()) {
XSComplexType ct = it.next();
XSParticle p = ct.getContentType().asParticle();
if(p==null) continue;
Expression tree = ExpressionBuilder.createTree(p);
System.out.println("Graph for "+ct.getName());
System.out.println(tree.toString());
Graph g = new Graph(tree);
System.out.println(g.toString());
System.out.println();
}
return 0;
} catch (SAXException e) {
// the error should have already been reported
}
return -1;
}
Model model = ModelLoader.load( opt, new JCodeModel(), receiver );
if (model == null) {
listener.message(Messages.format(Messages.PARSE_FAILED));
return -1;
}
if( !opt.quiet ) {
listener.message(Messages.format(Messages.COMPILING_SCHEMA));
}
switch (opt.mode) {
case SIGNATURE :
try {
SignatureWriter.write(
BeanGenerator.generate(model,receiver),
new OutputStreamWriter(System.out));
return 0;
} catch (IOException e) {
receiver.error(e);
return -1;
}
case CODE :
case DRYRUN :
case ZIP :
{
// generate actual code
receiver.debug("generating code");
{// don't want to hold outline in memory for too long.
Outline outline = model.generateCode(opt,receiver);
if(outline==null) {
listener.message(
Messages.format(Messages.FAILED_TO_GENERATE_CODE));
return -1;
}
listener.compiled(outline);
}
if( opt.mode == Mode.DRYRUN )
break; // enough
// then print them out
try {
CodeWriter cw;
if( opt.mode==Mode.ZIP ) {
OutputStream os;
if(opt.targetDir.getPath().equals("."))
os = System.out;
else
os = new FileOutputStream(opt.targetDir);
cw = opt.createCodeWriter(new ZipCodeWriter(os));
} else
cw = opt.createCodeWriter();
if( !opt.quiet ) {
cw = new ProgressCodeWriter(cw,listener, model.codeModel.countArtifacts());
}
model.codeModel.build(cw);
} catch (IOException e) {
receiver.error(e);
return -1;
}
break;
}
default :
assert false;
}
if(opt.debugMode) {
try {
new FileOutputStream(new File(opt.targetDir,hadWarning[0]?"hadWarning":"noWarning")).close();
} catch (IOException e) {
receiver.error(e);
return -1;
}
}
return 0;
} catch( StackOverflowError e ) {
if(opt.verbose)
// in the debug mode, propagate the error so that
// the full stack trace will be dumped to the screen.
throw e;
else {
// otherwise just print a suggested workaround and
// quit without filling the user's screen
listener.message(Messages.format(Messages.STACK_OVERFLOW));
return -1;
}
}
}
