com.sun.tools.jxc.SchemaGenerator Maven / Gradle / Ivy
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package com.sun.tools.jxc;
import com.sun.tools.jxc.ap.Options;
import com.sun.tools.xjc.BadCommandLineException;
import com.sun.xml.bind.util.Which;
import javax.lang.model.SourceVersion;
import javax.tools.DiagnosticCollector;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.OptionChecker;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
import javax.xml.bind.JAXBContext;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* CLI entry-point to the schema generator.
*
* @author Bhakti Mehta
*/
public class SchemaGenerator {
/**
* Runs the schema generator.
*/
public static void main(String[] args) throws Exception {
System.exit(run(args));
}
public static int run(String[] args) throws Exception {
try {
ClassLoader cl = SecureLoader.getClassClassLoader(SchemaGenerator.class);
if (cl==null) {
cl = SecureLoader.getSystemClassLoader();
}
return run(args, cl);
} catch(Exception e) {
System.err.println(e.getMessage());
return -1;
}
}
/**
* Runs the schema generator.
*
* @param classLoader
* the schema generator will run in this classLoader.
* It needs to be able to load annotation processing and JAXB RI classes. Note that
* JAXB RI classes refer to annotation processing classes. Must not be null.
*
* @return
* exit code. 0 if success.
*
*/
public static int run(String[] args, ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
final Options options = new Options();
if (args.length ==0) {
usage();
return -1;
}
for (String arg : args) {
if (arg.equals("-help")) {
usage();
return -1;
}
if (arg.equals("-version")) {
System.out.println(Messages.VERSION.format());
return -1;
}
if (arg.equals("-fullversion")) {
System.out.println(Messages.FULLVERSION.format());
return -1;
}
}
try {
options.parseArguments(args);
} catch (BadCommandLineException e) {
// there was an error in the command line.
// print usage and abort.
System.out.println(e.getMessage());
System.out.println();
usage();
return -1;
}
Class schemagenRunner = classLoader.loadClass(Runner.class.getName());
Method compileMethod = schemagenRunner.getDeclaredMethod("compile",String[].class,File.class);
List aptargs = new ArrayList();
if (options.encoding != null) {
aptargs.add("-encoding");
aptargs.add(options.encoding);
}
// make jaxb-api.jar visible to classpath
File jaxbApi = findJaxbApiJar();
if(jaxbApi!=null) {
if(options.classpath!=null) {
options.classpath = options.classpath+File.pathSeparatorChar+jaxbApi;
} else {
options.classpath = jaxbApi.getPath();
}
}
aptargs.add("-cp");
aptargs.add(options.classpath);
if(options.targetDir!=null) {
aptargs.add("-d");
aptargs.add(options.targetDir.getPath());
}
aptargs.addAll(options.arguments);
String[] argsarray = aptargs.toArray(new String[aptargs.size()]);
return ((Boolean) compileMethod.invoke(null, argsarray, options.episodeFile)) ? 0 : 1;
}
/**
* Computes the file system path of jaxb-api.jar so that
* Annotation Processing will see them in the -cp option.
*
*
* In Java, you can't do this reliably (for that matter there's no guarantee
* that such a jar file exists, such as in Glassfish), so we do the best we can.
*
* @return
* null if failed to locate it.
*/
private static File findJaxbApiJar() {
String url = Which.which(JAXBContext.class);
if(url==null) return null; // impossible, but hey, let's be defensive
if(!url.startsWith("jar:") || url.lastIndexOf('!')==-1)
// no jar file
return null;
String jarFileUrl = url.substring(4,url.lastIndexOf('!'));
if(!jarFileUrl.startsWith("file:"))
return null; // not from file system
try {
File f = new File(new URL(jarFileUrl).toURI());
if (f.exists() && f.getName().endsWith(".jar")) { // see 6510966
return f;
}
f = new File(new URL(jarFileUrl).getFile());
if (f.exists() && f.getName().endsWith(".jar")) { // this is here for potential backw. compatibility issues
return f;
}
} catch (URISyntaxException ex) {
Logger.getLogger(SchemaGenerator.class.getName()).log(Level.SEVERE, null, ex);
} catch (MalformedURLException ex) {
Logger.getLogger(SchemaGenerator.class.getName()).log(Level.SEVERE, null, ex);
}
return null;
}
private static void usage( ) {
System.out.println(Messages.USAGE.format());
}
public static final class Runner {
public static boolean compile(String[] args, File episode) throws Exception {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
DiagnosticCollector diagnostics = new DiagnosticCollector();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
JavacOptions options = JavacOptions.parse(compiler, fileManager, args);
List unrecognizedOptions = options.getUnrecognizedOptions();
if (!unrecognizedOptions.isEmpty())
Logger.getLogger(SchemaGenerator.class.getName()).log(Level.WARNING, "Unrecognized options found: {0}", unrecognizedOptions);
Iterable compilationUnits = fileManager.getJavaFileObjectsFromFiles(options.getFiles());
JavaCompiler.CompilationTask task = compiler.getTask(
null,
fileManager,
diagnostics,
options.getRecognizedOptions(),
options.getClassNames(),
compilationUnits);
com.sun.tools.jxc.ap.SchemaGenerator r = new com.sun.tools.jxc.ap.SchemaGenerator();
if (episode != null)
r.setEpisodeFile(episode);
task.setProcessors(Collections.singleton(r));
return task.call();
}
}
/**
* @author Peter von der Ahe
*/
private static final class JavacOptions {
private final List recognizedOptions;
private final List classNames;
private final List files;
private final List unrecognizedOptions;
private JavacOptions(List recognizedOptions, List classNames, List files,
List unrecognizedOptions) {
this.recognizedOptions = recognizedOptions;
this.classNames = classNames;
this.files = files;
this.unrecognizedOptions = unrecognizedOptions;
}
public static JavacOptions parse(OptionChecker primary, OptionChecker secondary, String... arguments) {
List recognizedOptions = new ArrayList();
List unrecognizedOptions = new ArrayList();
List classNames = new ArrayList();
List files = new ArrayList();
for (int i = 0; i < arguments.length; i++) {
String argument = arguments[i];
int optionCount = primary.isSupportedOption(argument);
if (optionCount < 0) {
optionCount = secondary.isSupportedOption(argument);
}
if (optionCount < 0) {
File file = new File(argument);
if (file.exists())
files.add(file);
else if (SourceVersion.isName(argument))
classNames.add(argument);
else
unrecognizedOptions.add(argument);
} else {
for (int j = 0; j < optionCount + 1; j++) {
int index = i + j;
if (index == arguments.length) throw new IllegalArgumentException(argument);
recognizedOptions.add(arguments[index]);
}
i += optionCount;
}
}
return new JavacOptions(recognizedOptions, classNames, files, unrecognizedOptions);
}
/**
* Returns the list of recognized options and their arguments.
*
* @return a list of options
*/
public List getRecognizedOptions() {
return Collections.unmodifiableList(recognizedOptions);
}
/**
* Returns the list of file names.
*
* @return a list of file names
*/
public List getFiles() {
return Collections.unmodifiableList(files);
}
/**
* Returns the list of class names.
*
* @return a list of class names
*/
public List getClassNames() {
return Collections.unmodifiableList(classNames);
}
/**
* Returns the list of unrecognized options.
*
* @return a list of unrecognized options
*/
public List getUnrecognizedOptions() {
return Collections.unmodifiableList(unrecognizedOptions);
}
@Override
public String toString() {
return String.format("recognizedOptions = %s; classNames = %s; " + "files = %s; unrecognizedOptions = %s", recognizedOptions, classNames, files, unrecognizedOptions);
}
}
}