| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.jxc; |
| |
| import com.sun.tools.internal.jxc.ap.Options; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import javax.xml.bind.SchemaOutputResolver; |
| import javax.xml.parsers.ParserConfigurationException; |
| import javax.xml.parsers.SAXParserFactory; |
| import javax.xml.transform.Result; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.validation.ValidatorHandler; |
| |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.lang.model.element.TypeElement; |
| import com.sun.tools.internal.jxc.gen.config.Config; |
| import com.sun.tools.internal.jxc.gen.config.Schema; |
| import com.sun.tools.internal.xjc.SchemaCache; |
| import com.sun.tools.internal.xjc.api.Reference; |
| import com.sun.tools.internal.xjc.util.ForkContentHandler; |
| |
| import com.sun.xml.internal.bind.v2.util.XmlFactory; |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.XMLReader; |
| |
| |
| /** |
| * This reads the config files passed by the user to annotation processing |
| * and obtains a list of classes that need to be included |
| * for a particular config from the set of classes passed |
| * by the user to annotation processing. |
| * |
| * @author Bhakti Mehta (bhakti.mehta@sun.com) |
| */ |
| public final class ConfigReader { |
| |
| /** |
| * The set of classes to be passed to XJC |
| * |
| */ |
| private final Set<Reference> classesToBeIncluded = new HashSet<Reference>(); |
| |
| |
| /** |
| * The SchemaOutputResolver used to generate the schemas |
| */ |
| private final SchemaOutputResolver schemaOutputResolver; |
| |
| private final ProcessingEnvironment env; |
| |
| /** |
| * |
| * @param classes |
| * The set of classes passed to the AnnotationProcessor |
| * @param xmlFile |
| * The configuration file. |
| * @throws SAXException |
| * If this is thrown, the error has already been reported. |
| * @throws IOException |
| * If any IO errors occur. |
| */ |
| public ConfigReader(ProcessingEnvironment env, Collection<? extends TypeElement> classes, File xmlFile, ErrorHandler errorHandler) throws SAXException, IOException { |
| this.env = env; |
| Config config = parseAndGetConfig(xmlFile, errorHandler, env.getOptions().containsKey(Options.DISABLE_XML_SECURITY)); |
| checkAllClasses(config,classes); |
| String path = xmlFile.getAbsolutePath(); |
| String xmlPath = path.substring(0,path.lastIndexOf(File.separatorChar)); |
| schemaOutputResolver = createSchemaOutputResolver(config,xmlPath); |
| |
| } |
| |
| |
| /** |
| * This creates a regular expression |
| * for the user pattern , matches the input classes |
| * passed by the user and returns the final |
| * list of classes that need to be included for a config file |
| * after applying those patterns |
| * |
| */ |
| public Collection<Reference> getClassesToBeIncluded() { |
| return classesToBeIncluded; |
| } |
| |
| private void checkAllClasses(Config config, Collection<? extends TypeElement> rootClasses) { |
| |
| List<Pattern> includeRegexList = config.getClasses().getIncludes(); |
| List<Pattern> excludeRegexList = config.getClasses().getExcludes(); |
| |
| OUTER: |
| for (TypeElement typeDecl : rootClasses) { |
| |
| String qualifiedName = typeDecl.getQualifiedName().toString(); |
| |
| for (Pattern pattern : excludeRegexList) { |
| boolean match = checkPatternMatch(qualifiedName, pattern); |
| if (match) |
| continue OUTER; // excluded |
| } |
| |
| for (Pattern pattern : includeRegexList) { |
| boolean match = checkPatternMatch(qualifiedName, pattern); |
| if (match) { |
| classesToBeIncluded.add(new Reference(typeDecl,env)); |
| break; |
| } |
| } |
| } |
| } |
| |
| /** |
| * This returns the SchemaOutputResolver to generate the schemas |
| */ |
| public SchemaOutputResolver getSchemaOutputResolver(){ |
| return schemaOutputResolver; |
| } |
| |
| private SchemaOutputResolver createSchemaOutputResolver(Config config, String xmlpath) { |
| File baseDir = new File(xmlpath, config.getBaseDir().getPath()); |
| SchemaOutputResolverImpl outResolver = new SchemaOutputResolverImpl (baseDir); |
| |
| for( Schema schema : (List<Schema>)config.getSchema() ) { |
| String namespace = schema.getNamespace(); |
| File location = schema.getLocation(); |
| outResolver.addSchemaInfo(namespace,location); |
| } |
| return outResolver; |
| } |
| |
| /** |
| * This will check if the qualified name matches the pattern |
| * |
| * @param qualifiedName |
| * The qualified name of the TypeDeclaration |
| * @param pattern |
| * The pattern obtained from the users input |
| * |
| */ |
| private boolean checkPatternMatch(String qualifiedName, Pattern pattern) { |
| Matcher matcher = pattern.matcher(qualifiedName); |
| return matcher.matches(); |
| } |
| |
| |
| |
| /** |
| * Lazily parsed schema for the binding file. |
| */ |
| private static SchemaCache configSchema = new SchemaCache(Config.class.getResource("config.xsd")); |
| |
| |
| /** |
| * Parses an xml config file and returns a Config object. |
| * |
| * @param xmlFile |
| * The xml config file which is passed by the user to annotation processing |
| * @return |
| * A non null Config object |
| */ |
| private Config parseAndGetConfig (File xmlFile, ErrorHandler errorHandler, boolean disableSecureProcessing) throws SAXException, IOException { |
| XMLReader reader; |
| try { |
| SAXParserFactory factory = XmlFactory.createParserFactory(disableSecureProcessing); |
| reader = factory.newSAXParser().getXMLReader(); |
| } catch (ParserConfigurationException e) { |
| // in practice this will never happen |
| throw new Error(e); |
| } |
| NGCCRuntimeEx runtime = new NGCCRuntimeEx(errorHandler); |
| |
| // set up validator |
| ValidatorHandler validator = configSchema.newValidator(); |
| validator.setErrorHandler(errorHandler); |
| |
| // the validator will receive events first, then the parser. |
| reader.setContentHandler(new ForkContentHandler(validator,runtime)); |
| |
| reader.setErrorHandler(errorHandler); |
| Config config = new Config(runtime); |
| runtime.setRootHandler(config); |
| reader.parse(new InputSource(xmlFile.toURL().toExternalForm())); |
| runtime.reset(); |
| |
| return config; |
| } |
| /** |
| * Controls where the JAXB RI puts the generates |
| * schema files. |
| * @author |
| * Bhakti Mehta (bhakti.mehta@sun.com) |
| */ |
| private static final class SchemaOutputResolverImpl extends SchemaOutputResolver{ |
| |
| /** |
| * Directory to which we put the rest of the files. |
| * Never be null. |
| */ |
| private final File baseDir; |
| |
| /** |
| * Namespace URI to the location of the schema. |
| * This captures what the user specifies. |
| */ |
| private final Map<String,File> schemas = new HashMap<String,File>(); |
| |
| |
| /** |
| * Decides where the schema file (of the given namespace URI) |
| * will be written, and return it as a {@link Result} object. |
| * |
| */ |
| public Result createOutput( String namespaceUri, String suggestedFileName ) { |
| |
| // the user's preference takes a precedence |
| if(schemas.containsKey(namespaceUri)) { |
| File loc = schemas.get(namespaceUri); |
| if(loc==null) return null; // specifically not to generate a schema |
| |
| // create directories if necessary. we've already checked that the baseDir |
| // exists, so this should be no surprise to users. |
| loc.getParentFile().mkdirs(); |
| |
| return new StreamResult(loc); // generate into a file the user specified. |
| } |
| |
| // if the user didn't say anything about this namespace, |
| // generate it into the default directory with a default name. |
| |
| File schemaFile = new File (baseDir, suggestedFileName); |
| // The systemId for the result will be schemaFile |
| return new StreamResult(schemaFile); |
| } |
| |
| |
| public SchemaOutputResolverImpl(File baseDir) { |
| assert baseDir!=null; |
| this.baseDir = baseDir; |
| } |
| |
| public void addSchemaInfo(String namespaceUri, File location) { |
| if (namespaceUri == null ) |
| //generate elements in no namespace |
| namespaceUri = ""; |
| schemas.put(namespaceUri, location); |
| |
| } |
| |
| } |
| } |