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/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.tools.xjc;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.ServiceLoader;
import java.util.Set;
import com.sun.codemodel.CodeWriter;
import com.sun.codemodel.JPackage;
import com.sun.codemodel.JResourceFile;
import com.sun.codemodel.writer.FileCodeWriter;
import com.sun.codemodel.writer.PrologCodeWriter;
import com.sun.istack.tools.DefaultAuthenticator;
import com.sun.tools.xjc.api.ClassNameAllocator;
import com.sun.tools.xjc.api.SpecVersion;
import com.sun.tools.xjc.generator.bean.field.FieldRendererFactory;
import com.sun.tools.xjc.model.Model;
import com.sun.tools.xjc.reader.Util;
import com.sun.xml.bind.api.impl.NameConverter;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.nio.charset.IllegalCharsetNameException;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
/**
* Global options.
*
*
* This class stores invocation configuration for XJC.
* The configuration in this class should be abstract enough so that
* it could be parsed from both command-line or Ant.
*/
public class Options {
/**
* If "-debug" is specified.
*/
public boolean debugMode;
/**
* If the "-verbose" option is specified.
*/
public boolean verbose;
/**
* If the "-quiet" option is specified.
*/
public boolean quiet;
/**
* If the -readOnly option is specified.
*/
public boolean readOnly;
/**
* No file header comment (to be more friendly with diff.)
*/
public boolean noFileHeader;
/**
* When on, fixes getter/setter generation to match the Bean Introspection API
*/
public boolean enableIntrospection;
/**
* When on, generates content property for types with multiple xs:any derived elements (which is supposed to be correct behaviour)
*/
public boolean contentForWildcard;
/**
* Encoding to be used by generated java sources, null for platform default.
*/
public String encoding;
/**
* If true XML security features when parsing XML documents will be disabled.
* The default value is false.
*
* Boolean
*
* @since 2.2.6
*/
public boolean disableXmlSecurity;
/**
* Check the source schemas with extra scrutiny.
* The exact meaning depends on the schema language.
*/
public boolean strictCheck = true;
/**
* If -explicit-annotation option is specified.
*
* This generates code that works around issues specific to 1.4 runtime.
*/
public boolean runtime14 = false;
/**
* If true, try to resolve name conflicts automatically by assigning mechanical numbers.
*/
public boolean automaticNameConflictResolution = false;
/**
* strictly follow the compatibility rules and reject schemas that
* contain features from App. E.2, use vendor binding extensions
*/
public static final int STRICT = 1;
/**
* loosely follow the compatibility rules and allow the use of vendor
* binding extensions
*/
public static final int EXTENSION = 2;
/**
* this switch determines how carefully the compiler will follow
* the compatibility rules in the spec. Either {@code STRICT}
* or {@code EXTENSION}.
*/
public int compatibilityMode = STRICT;
public boolean isExtensionMode() {
return compatibilityMode == EXTENSION;
}
private static final Logger logger = com.sun.xml.bind.Utils.getClassLogger();
/**
* Generates output for the specified version of the runtime.
*/
public SpecVersion target = SpecVersion.LATEST;
public Options() {
try {
Class.forName("javax.xml.bind.JAXBPermission");
} catch (ClassNotFoundException cnfe) {
target = SpecVersion.V2_1;
}
}
/**
* Target directory when producing files.
*
* This field is not used when XJC is driven through the XJC API.
* Plugins that need to generate extra files should do so by using
* {@link JPackage#addResourceFile(JResourceFile)}.
*/
public File targetDir = new File(".");
/**
* On JDK 8 an odler stores {@code CatalogResolver}, but the field
* type is made to {@link EntityResolver} so that XJC can be
* used even if resolver.jar is not available in the classpath.
*/
public EntityResolver entityResolver = null;
/**
* Type of input schema language. One of the {@code SCHEMA_XXX}
* constants.
*/
private Language schemaLanguage = null;
/**
* The -p option that should control the default Java package that
* will contain the generated code. Null if unspecified.
*/
public String defaultPackage = null;
/**
* Similar to the -p option, but this one works with a lower priority,
* and customizations overrides this. Used by JAX-RPC.
*/
public String defaultPackage2 = null;
/**
* Input schema files as a list of {@link InputSource}s.
*/
private final List grammars = new ArrayList<>();
private final List bindFiles = new ArrayList<>();
// Proxy setting.
private String proxyHost = null;
private String proxyPort = null;
public String proxyAuth = null;
/**
* {@link Plugin}s that are enabled in this compilation.
*/
public final List activePlugins = new ArrayList<>();
/**
* All discovered {@link Plugin}s.
* This is lazily parsed, so that we can take '-cp' option into account.
*
* @see #getAllPlugins()
*/
private List allPlugins;
/**
* Set of URIs that plug-ins recognize as extension bindings.
*/
public final Set pluginURIs = new HashSet<>();
/**
* This allocator has the final say on deciding the class name.
*/
public ClassNameAllocator classNameAllocator;
/**
* This switch controls whether or not xjc will generate package level annotations
*/
public boolean packageLevelAnnotations = true;
/**
* This {@link FieldRendererFactory} determines how the fields are generated.
*/
private FieldRendererFactory fieldRendererFactory = new FieldRendererFactory();
/**
* Used to detect if two {@link Plugin}s try to overwrite {@link #fieldRendererFactory}.
*/
private Plugin fieldRendererFactoryOwner = null;
/**
* If this is non-null, we use this {@link NameConverter} over the one
* given in the schema/binding.
*/
private NameConverter nameConverter = null;
/**
* Used to detect if two {@link Plugin}s try to overwrite {@link #nameConverter}.
*/
private Plugin nameConverterOwner = null;
/**
* Java module name in {@code module-info.java}.
*/
private String javaModule = null;
/**
* Gets the active {@link FieldRendererFactory} that shall be used to build {@link Model}.
*
* @return always non-null.
*/
public FieldRendererFactory getFieldRendererFactory() {
return fieldRendererFactory;
}
/**
* Sets the {@link FieldRendererFactory}.
*
*
* This method is for plugins to call to set a custom {@link FieldRendererFactory}.
*
* @param frf The {@link FieldRendererFactory} to be installed. Must not be null.
* @param owner Identifies the plugin that owns this {@link FieldRendererFactory}.
* When two {@link Plugin}s try to call this method, this allows XJC
* to report it as a user-friendly error message.
* @throws BadCommandLineException If a conflit happens, this exception carries a user-friendly error
* message, indicating a conflict.
*/
public void setFieldRendererFactory(FieldRendererFactory frf, Plugin owner) throws BadCommandLineException {
// since this method is for plugins, make it bit more fool-proof than usual
if (frf == null)
throw new IllegalArgumentException();
if (fieldRendererFactoryOwner != null) {
throw new BadCommandLineException(
Messages.format(Messages.FIELD_RENDERER_CONFLICT,
fieldRendererFactoryOwner.getOptionName(),
owner.getOptionName()));
}
this.fieldRendererFactoryOwner = owner;
this.fieldRendererFactory = frf;
}
/**
* Gets the active {@link NameConverter} that shall be used to build {@link Model}.
*
* @return can be null, in which case it's up to the binding.
*/
public NameConverter getNameConverter() {
return nameConverter;
}
/**
* Sets the {@link NameConverter}.
*
*
* This method is for plugins to call to set a custom {@link NameConverter}.
*
* @param nc The {@link NameConverter} to be installed. Must not be null.
* @param owner Identifies the plugin that owns this {@link NameConverter}.
* When two {@link Plugin}s try to call this method, this allows XJC
* to report it as a user-friendly error message.
* @throws BadCommandLineException If a conflit happens, this exception carries a user-friendly error
* message, indicating a conflict.
*/
public void setNameConverter(NameConverter nc, Plugin owner) throws BadCommandLineException {
// since this method is for plugins, make it bit more fool-proof than usual
if (nc == null)
throw new IllegalArgumentException();
if (nameConverter != null) {
throw new BadCommandLineException(
Messages.format(Messages.NAME_CONVERTER_CONFLICT,
nameConverterOwner.getOptionName(),
owner.getOptionName()));
}
this.nameConverterOwner = owner;
this.nameConverter = nc;
}
/**
* Gets all the {@link Plugin}s discovered so far.
*
*
* A plugins are enumerated when this method is called for the first time,
* by taking {@link #classpaths} into account. That means
* "-cp plugin.jar" has to come before you specify options to enable it.
*
* @return
*/
public List getAllPlugins() {
if (allPlugins == null) {
allPlugins = findServices(Plugin.class);
}
return allPlugins;
}
public Language getSchemaLanguage() {
if (schemaLanguage == null)
schemaLanguage = guessSchemaLanguage();
return schemaLanguage;
}
public void setSchemaLanguage(Language _schemaLanguage) {
this.schemaLanguage = _schemaLanguage;
}
/**
* Input schema files.
*
* @return
*/
public InputSource[] getGrammars() {
return grammars.toArray(new InputSource[grammars.size()]);
}
/**
* Adds a new input schema.
*
* @param is
*/
public void addGrammar(InputSource is) {
grammars.add(absolutize(is));
}
private InputSource fileToInputSource(File source) {
try {
String url = source.toURI().toURL().toExternalForm();
return new InputSource(Util.escapeSpace(url));
} catch (MalformedURLException e) {
return new InputSource(source.getPath());
}
}
public void addGrammar(File source) {
addGrammar(fileToInputSource(source));
}
/**
* Recursively scan directories and add all XSD files in it.
*
* @param dir
*/
public void addGrammarRecursive(File dir) {
addRecursive(dir, ".xsd", grammars);
}
private void addRecursive(File dir, String suffix, List result) {
File[] files = dir.listFiles();
if (files == null) return; // work defensively
for (File f : files) {
if (f.isDirectory())
addRecursive(f, suffix, result);
else if (f.getPath().endsWith(suffix))
result.add(absolutize(fileToInputSource(f)));
}
}
private InputSource absolutize(InputSource is) {
// absolutize all the system IDs in the input, so that we can map system IDs to DOM trees.
try {
URL baseURL = new File(".").getCanonicalFile().toURI().toURL();
is.setSystemId(new URL(baseURL, is.getSystemId()).toExternalForm());
} catch (IOException e) {
logger.log(Level.FINE, "{0}, {1}", new Object[]{is.getSystemId(), e.getLocalizedMessage()});
}
return is;
}
/**
* Input external binding files.
*
* @return
*/
public InputSource[] getBindFiles() {
return bindFiles.toArray(new InputSource[bindFiles.size()]);
}
/**
* Adds a new binding file.
*
* @param is
*/
public void addBindFile(InputSource is) {
bindFiles.add(absolutize(is));
}
/**
* Adds a new binding file.
*
* @param bindFile
*/
public void addBindFile(File bindFile) {
bindFiles.add(fileToInputSource(bindFile));
}
/**
* Recursively scan directories and add all ".xjb" files in it.
*
* @param dir
*/
public void addBindFileRecursive(File dir) {
addRecursive(dir, ".xjb", bindFiles);
}
public final List classpaths = new ArrayList<>();
/**
* Gets a classLoader that can load classes specified via the
* -classpath option.
*
* @param parent
* @return
*/
public ClassLoader getUserClassLoader(ClassLoader parent) {
if (classpaths.isEmpty())
return parent;
return new URLClassLoader(
classpaths.toArray(new URL[classpaths.size()]), parent);
}
/**
* Gets Java module name option.
*
* @return Java module name option or {@code null} if this option was not set.
*/
public String getModuleName() {
return javaModule;
}
/**
* Parses an option {@code args[i]} and return
* the number of tokens consumed.
*
* @param args
* @param i
* @return 0 if the argument is not understood. Returning 0
* will let the caller report an error.
* @throws BadCommandLineException If the callee wants to provide a custom message for an error.
*/
public int parseArgument(String[] args, int i) throws BadCommandLineException {
if (args[i].equals("-classpath") || args[i].equals("-cp")) {
String a = requireArgument(args[i], args, ++i);
for (String p : a.split(File.pathSeparator)) {
File file = new File(p);
try {
classpaths.add(file.toURI().toURL());
} catch (MalformedURLException e) {
throw new BadCommandLineException(
Messages.format(Messages.NOT_A_VALID_FILENAME, file), e);
}
}
return 2;
}
if (args[i].equals("-d")) {
targetDir = new File(requireArgument("-d", args, ++i));
if (!targetDir.exists())
throw new BadCommandLineException(
Messages.format(Messages.NON_EXISTENT_DIR, targetDir));
return 2;
}
if (args[i].equals("-readOnly")) {
readOnly = true;
return 1;
}
if (args[i].equals("-p")) {
defaultPackage = requireArgument("-p", args, ++i);
if (defaultPackage.length() == 0) { // user specified default package
// there won't be any package to annotate, so disable them
// automatically as a usability feature
packageLevelAnnotations = false;
}
return 2;
}
if (args[i].equals("-m")) {
javaModule = requireArgument("-m", args, ++i);
return 2;
}
if (args[i].equals("-debug")) {
debugMode = true;
verbose = true;
return 1;
}
if (args[i].equals("-nv")) {
strictCheck = false;
return 1;
}
if (args[i].equals("-npa")) {
packageLevelAnnotations = false;
return 1;
}
if (args[i].equals("-no-header")) {
noFileHeader = true;
return 1;
}
if (args[i].equals("-verbose")) {
verbose = true;
return 1;
}
if (args[i].equals("-quiet")) {
quiet = true;
return 1;
}
if (args[i].equals("-XexplicitAnnotation")) {
runtime14 = true;
return 1;
}
if (args[i].equals("-enableIntrospection")) {
enableIntrospection = true;
return 1;
}
if (args[i].equals("-disableXmlSecurity")) {
disableXmlSecurity = true;
return 1;
}
if (args[i].equals("-contentForWildcard")) {
contentForWildcard = true;
return 1;
}
if (args[i].equals("-XautoNameResolution")) {
automaticNameConflictResolution = true;
return 1;
}
if (args[i].equals("-b")) {
addFile(requireArgument("-b", args, ++i), bindFiles, ".xjb");
return 2;
}
if (args[i].equals("-dtd")) {
schemaLanguage = Language.DTD;
return 1;
}
if (args[i].equals("-xmlschema")) {
schemaLanguage = Language.XMLSCHEMA;
return 1;
}
if (args[i].equals("-wsdl")) {
schemaLanguage = Language.WSDL;
return 1;
}
if (args[i].equals("-extension")) {
compatibilityMode = EXTENSION;
return 1;
}
if (args[i].equals("-target")) {
String token = requireArgument("-target", args, ++i);
target = SpecVersion.parse(token);
if (target == null)
throw new BadCommandLineException(Messages.format(Messages.ILLEGAL_TARGET_VERSION, token));
return 2;
}
if (args[i].equals("-httpproxyfile")) {
if (i == args.length - 1 || args[i + 1].startsWith("-")) {
throw new BadCommandLineException(
Messages.format(Messages.MISSING_PROXYFILE));
}
File file = new File(args[++i]);
if (!file.exists()) {
throw new BadCommandLineException(
Messages.format(Messages.NO_SUCH_FILE, file));
}
try (BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8"))) {
parseProxy(in.readLine());
} catch (IOException e) {
throw new BadCommandLineException(
Messages.format(Messages.FAILED_TO_PARSE, file, e.getMessage()), e);
}
return 2;
}
if (args[i].equals("-httpproxy")) {
if (i == args.length - 1 || args[i + 1].startsWith("-")) {
throw new BadCommandLineException(
Messages.format(Messages.MISSING_PROXY));
}
parseProxy(args[++i]);
return 2;
}
if (args[i].equals("-host")) {
proxyHost = requireArgument("-host", args, ++i);
return 2;
}
if (args[i].equals("-port")) {
proxyPort = requireArgument("-port", args, ++i);
return 2;
}
if (args[i].equals("-catalog")) {
// use Sun's "XML Entity and URI Resolvers" by Norman Walsh
// to resolve external entities.
// https://xerces.apache.org/xml-commons/components/resolver/resolver-article.html
File catalogFile = new File(requireArgument("-catalog", args, ++i));
try {
addCatalog(catalogFile);
} catch (IOException e) {
throw new BadCommandLineException(
Messages.format(Messages.FAILED_TO_PARSE, catalogFile, e.getMessage()), e);
}
return 2;
}
if (args[i].equals("-Xtest-class-name-allocator")) {
classNameAllocator = new ClassNameAllocator() {
@Override
public String assignClassName(String packageName, String className) {
System.out.printf("assignClassName(%s,%s)\n", packageName, className);
return className + "_Type";
}
};
return 1;
}
if (args[i].equals("-encoding")) {
encoding = requireArgument("-encoding", args, ++i);
try {
if (!Charset.isSupported(encoding)) {
throw new BadCommandLineException(
Messages.format(Messages.UNSUPPORTED_ENCODING, encoding));
}
} catch (IllegalCharsetNameException icne) {
throw new BadCommandLineException(
Messages.format(Messages.UNSUPPORTED_ENCODING, encoding));
}
return 2;
}
// see if this is one of the extensions
for (Plugin plugin : getAllPlugins()) {
try {
if (('-' + plugin.getOptionName()).equals(args[i])) {
activePlugins.add(plugin);
plugin.onActivated(this);
pluginURIs.addAll(plugin.getCustomizationURIs());
// give the plugin a chance to parse arguments to this option.
// this is new in 2.1, and due to the backward compatibility reason,
// if plugin didn't understand it, we still return 1 to indicate
// that this option is consumed.
int r = plugin.parseArgument(this, args, i);
if (r != 0)
return r;
else
return 1;
}
int r = plugin.parseArgument(this, args, i);
if (r != 0) return r;
} catch (IOException e) {
throw new BadCommandLineException(e.getMessage(), e);
}
}
return 0; // unrecognized
}
private void parseProxy(String text) throws BadCommandLineException {
int i = text.lastIndexOf('@');
int j = text.lastIndexOf(':');
if (i > 0) {
proxyAuth = text.substring(0, i);
if (j > i) {
proxyHost = text.substring(i + 1, j);
proxyPort = text.substring(j + 1);
} else {
proxyHost = text.substring(i + 1);
proxyPort = "80";
}
} else {
//no auth info
if (j < 0) {
//no port
proxyHost = text;
proxyPort = "80";
} else {
proxyHost = text.substring(0, j);
proxyPort = text.substring(j + 1);
}
}
try {
Integer.valueOf(proxyPort);
} catch (NumberFormatException e) {
throw new BadCommandLineException(Messages.format(Messages.ILLEGAL_PROXY, text));
}
}
/**
* Obtains an operand and reports an error if it's not there.
*
* @param optionName
* @param args
* @param i
* @return
* @throws com.sun.tools.xjc.BadCommandLineException
*/
public String requireArgument(String optionName, String[] args, int i) throws BadCommandLineException {
if (i == args.length || args[i].startsWith("-")) {
throw new BadCommandLineException(
Messages.format(Messages.MISSING_OPERAND, optionName));
}
return args[i];
}
/**
* Parses a token to a file (or a set of files)
* and add them as {@link InputSource} to the specified list.
*
* @param suffix If the given token is a directory name, we do a recursive search
* and find all files that have the given suffix.
*/
private void addFile(String name, List target, String suffix) throws BadCommandLineException {
Object src;
try {
src = Util.getFileOrURL(name);
} catch (IOException e) {
throw new BadCommandLineException(
Messages.format(Messages.NOT_A_FILE_NOR_URL, name));
}
if (src instanceof URL) {
target.add(absolutize(new InputSource(Util.escapeSpace(((URL) src).toExternalForm()))));
} else {
File fsrc = (File) src;
if (fsrc.isDirectory()) {
addRecursive(fsrc, suffix, target);
} else {
target.add(absolutize(fileToInputSource(fsrc)));
}
}
}
// Since javax.xml.catalog is unmodifiable we need to track catalog
// URLs added and create new catalog each time addCatalog is called
private final ArrayList catalogUrls = new ArrayList<>();
/**
* Adds a new catalog file.Use created or existed resolver to parse new catalog file.
*
* @param catalogFile
* @throws java.io.IOException
*/
public void addCatalog(File catalogFile) throws IOException {
URI newUri = catalogFile.toURI();
if (!catalogUrls.contains(newUri)) {
catalogUrls.add(newUri);
}
entityResolver = CatalogUtil.getCatalog(entityResolver, catalogFile, catalogUrls);
}
/**
* Parses arguments and fill fields of this object.
*
* @param args
* @throws BadCommandLineException thrown when there's a problem in the command-line arguments
*/
public void parseArguments(String[] args) throws BadCommandLineException {
for (int i = 0; i < args.length; i++) {
if (args[i].length() == 0)
throw new BadCommandLineException();
if (args[i].charAt(0) == '-') {
int j = parseArgument(args, i);
if (j == 0)
throw new BadCommandLineException(
Messages.format(Messages.UNRECOGNIZED_PARAMETER, args[i]));
i += (j - 1);
} else {
if (args[i].endsWith(".jar"))
scanEpisodeFile(new File(args[i]));
else
addFile(args[i], grammars, ".xsd");
}
}
// configure proxy
if (proxyHost != null || proxyPort != null) {
if (proxyHost != null && proxyPort != null) {
System.setProperty("http.proxyHost", proxyHost);
System.setProperty("http.proxyPort", proxyPort);
System.setProperty("https.proxyHost", proxyHost);
System.setProperty("https.proxyPort", proxyPort);
} else if (proxyHost == null) {
throw new BadCommandLineException(
Messages.format(Messages.MISSING_PROXYHOST));
} else {
throw new BadCommandLineException(
Messages.format(Messages.MISSING_PROXYPORT));
}
if (proxyAuth != null) {
DefaultAuthenticator.getAuthenticator().setProxyAuth(proxyAuth);
}
}
if (grammars.isEmpty())
throw new BadCommandLineException(
Messages.format(Messages.MISSING_GRAMMAR));
if (schemaLanguage == null)
schemaLanguage = guessSchemaLanguage();
// if(target==SpecVersion.V2_2 && !isExtensionMode())
// throw new BadCommandLineException(
// "Currently 2.2 is still not finalized yet, so using it requires the -extension switch." +
// "NOTE THAT 2.2 SPEC MAY CHANGE BEFORE IT BECOMES FINAL.");
if (pluginLoadFailure != null)
throw new BadCommandLineException(
Messages.format(Messages.PLUGIN_LOAD_FAILURE, pluginLoadFailure));
}
/**
* Finds the {@code META-INF/sun-jaxb.episode} file to add as a binding customization.
*
* @param jar
* @throws com.sun.tools.xjc.BadCommandLineException
*/
public void scanEpisodeFile(File jar) throws BadCommandLineException {
try {
URLClassLoader ucl = new URLClassLoader(new URL[]{jar.toURI().toURL()});
Enumeration resources = ucl.findResources("META-INF/sun-jaxb.episode");
while (resources.hasMoreElements()) {
URL url = resources.nextElement();
addBindFile(new InputSource(url.toExternalForm()));
}
} catch (IOException e) {
throw new BadCommandLineException(
Messages.format(Messages.FAILED_TO_LOAD, jar, e.getMessage()), e);
}
}
/**
* Guesses the schema language.
*
* @return
*/
public Language guessSchemaLanguage() {
// otherwise, use the file extension.
// not a good solution, but very easy.
if ((grammars != null) && (grammars.size() > 0)) {
String name = grammars.get(0).getSystemId().toLowerCase();
if (name.endsWith(".dtd"))
return Language.DTD;
if (name.endsWith(".wsdl"))
return Language.WSDL;
}
// by default, assume XML Schema
return Language.XMLSCHEMA;
}
/**
* Creates a configured CodeWriter that produces files into the specified directory.
*
* @return
* @throws java.io.IOException
*/
public CodeWriter createCodeWriter() throws IOException {
return createCodeWriter(new FileCodeWriter(targetDir, readOnly, encoding));
}
/**
* Creates a configured CodeWriter that produces files into the specified directory.
*
* @param core
* @return
*/
public CodeWriter createCodeWriter(CodeWriter core) {
if (noFileHeader)
return core;
return new PrologCodeWriter(core, getPrologComment());
}
/**
* Gets the string suitable to be used as the prolog comment baked into artifacts.This is the string like "This file was generated by the JAXB RI on YYYY/mm/dd..."
*
* @return
*/
public String getPrologComment() {
// generate format syntax: 'at'