| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| package com.sun.tools.internal.xjc.reader.xmlschema.parser; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.xml.transform.Source; |
| import javax.xml.transform.sax.SAXSource; |
| import javax.xml.validation.SchemaFactory; |
| |
| import com.sun.tools.internal.xjc.ConsoleErrorReporter; |
| import com.sun.tools.internal.xjc.ErrorReceiver; |
| import com.sun.tools.internal.xjc.util.ErrorReceiverFilter; |
| |
| import org.w3c.dom.ls.LSInput; |
| import org.w3c.dom.ls.LSResourceResolver; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI; |
| |
| /** |
| * Checks XML Schema XML representation constraints and |
| * schema component constraints by using JAXP 1.3 validation framework. |
| * <p/> |
| * |
| * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
| * @author Ryan Shoemaker (ryan.shoemaker@sun.com) |
| */ |
| public class SchemaConstraintChecker { |
| |
| /** |
| * @param schemas Schema files to be checked. |
| * @param errorHandler detected errors will be reported to this handler. |
| * @return true if there was no error, false if there were errors. |
| */ |
| public static boolean check(InputSource[] schemas, |
| ErrorReceiver errorHandler, final EntityResolver entityResolver) { |
| |
| ErrorReceiverFilter errorFilter = new ErrorReceiverFilter(errorHandler); |
| boolean hadErrors = false; |
| |
| SchemaFactory sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI); |
| sf.setErrorHandler(errorFilter); |
| if( entityResolver != null ) { |
| sf.setResourceResolver(new LSResourceResolver() { |
| public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) { |
| try { |
| // XSOM passes the namespace URI to the publicID parameter. |
| // we do the same here . |
| InputSource is = entityResolver.resolveEntity(namespaceURI, systemId); |
| if(is==null) return null; |
| return new LSInputSAXWrapper(is); |
| } catch (SAXException e) { |
| // TODO: is this sufficient? |
| return null; |
| } catch (IOException e) { |
| // TODO: is this sufficient? |
| return null; |
| } |
| } |
| }); |
| } |
| |
| try { |
| sf.newSchema(getSchemaSource(schemas)); |
| } catch (SAXException e) { |
| // TODO: we haven't thrown exceptions from here before. should we just trap them and return false? |
| hadErrors = true; |
| } catch( OutOfMemoryError e) { |
| errorHandler.warning(null,Messages.format(Messages.WARN_UNABLE_TO_CHECK_CORRECTNESS)); |
| } |
| |
| return !(hadErrors || errorFilter.hadError()); |
| } |
| |
| /** |
| * convert an array of {@link InputSource InputSource} into an |
| * array of {@link Source Source} |
| * |
| * @param schemas array of {@link InputSource InputSource} |
| * @return array of {@link Source Source} |
| */ |
| private static Source[] getSchemaSource(InputSource[] schemas) { |
| SAXSource[] sources = new SAXSource[schemas.length]; |
| for (int i = 0; i < schemas.length; i++) |
| sources[i] = new SAXSource(schemas[i]); |
| return sources; |
| } |
| |
| // quick test |
| public static void main(String[] args) throws IOException { |
| InputSource[] sources = new InputSource[args.length]; |
| for (int i = 0; i < args.length; i++) |
| sources[i] = new InputSource(new File(args[i]).toURL().toExternalForm()); |
| |
| check(sources, new ConsoleErrorReporter(), null); |
| } |
| } |