1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/xmlschema/parser/SchemaConstraintChecker.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,126 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.internal.xjc.reader.xmlschema.parser;
1.30 +
1.31 +import java.io.File;
1.32 +import java.io.IOException;
1.33 +
1.34 +import javax.xml.transform.Source;
1.35 +import javax.xml.transform.sax.SAXSource;
1.36 +import javax.xml.validation.SchemaFactory;
1.37 +
1.38 +import com.sun.tools.internal.xjc.ConsoleErrorReporter;
1.39 +import com.sun.tools.internal.xjc.ErrorReceiver;
1.40 +import com.sun.tools.internal.xjc.util.ErrorReceiverFilter;
1.41 +
1.42 +import org.w3c.dom.ls.LSInput;
1.43 +import org.w3c.dom.ls.LSResourceResolver;
1.44 +import org.xml.sax.EntityResolver;
1.45 +import org.xml.sax.InputSource;
1.46 +import org.xml.sax.SAXException;
1.47 +
1.48 +import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI;
1.49 +
1.50 +/**
1.51 + * Checks XML Schema XML representation constraints and
1.52 + * schema component constraints by using JAXP 1.3 validation framework.
1.53 + * <p/>
1.54 + *
1.55 + * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
1.56 + * @author Ryan Shoemaker (ryan.shoemaker@sun.com)
1.57 + */
1.58 +public class SchemaConstraintChecker {
1.59 +
1.60 + /**
1.61 + * @param schemas Schema files to be checked.
1.62 + * @param errorHandler detected errors will be reported to this handler.
1.63 + * @return true if there was no error, false if there were errors.
1.64 + */
1.65 + public static boolean check(InputSource[] schemas,
1.66 + ErrorReceiver errorHandler, final EntityResolver entityResolver) {
1.67 +
1.68 + ErrorReceiverFilter errorFilter = new ErrorReceiverFilter(errorHandler);
1.69 + boolean hadErrors = false;
1.70 +
1.71 + SchemaFactory sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI);
1.72 + sf.setErrorHandler(errorFilter);
1.73 + if( entityResolver != null ) {
1.74 + sf.setResourceResolver(new LSResourceResolver() {
1.75 + public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
1.76 + try {
1.77 + // XSOM passes the namespace URI to the publicID parameter.
1.78 + // we do the same here .
1.79 + InputSource is = entityResolver.resolveEntity(namespaceURI, systemId);
1.80 + if(is==null) return null;
1.81 + return new LSInputSAXWrapper(is);
1.82 + } catch (SAXException e) {
1.83 + // TODO: is this sufficient?
1.84 + return null;
1.85 + } catch (IOException e) {
1.86 + // TODO: is this sufficient?
1.87 + return null;
1.88 + }
1.89 + }
1.90 + });
1.91 + }
1.92 +
1.93 + try {
1.94 + sf.newSchema(getSchemaSource(schemas, entityResolver));
1.95 + } catch (SAXException e) {
1.96 + // TODO: we haven't thrown exceptions from here before. should we just trap them and return false?
1.97 + hadErrors = true;
1.98 + } catch( OutOfMemoryError e) {
1.99 + errorHandler.warning(null,Messages.format(Messages.WARN_UNABLE_TO_CHECK_CORRECTNESS));
1.100 + }
1.101 +
1.102 + return !(hadErrors || errorFilter.hadError());
1.103 + }
1.104 +
1.105 + /**
1.106 + * convert an array of {@link InputSource InputSource} into an
1.107 + * array of {@link Source Source}
1.108 + *
1.109 + * @param schemas array of {@link InputSource InputSource}
1.110 + * @return array of {@link Source Source}
1.111 + */
1.112 + private static Source[] getSchemaSource(InputSource[] schemas, EntityResolver entityResolver) throws SAXException {
1.113 + SAXSource[] sources = new SAXSource[schemas.length];
1.114 + for (int i = 0; i < schemas.length; i++) {
1.115 + sources[i] = new SAXSource(schemas[i]);
1.116 +// sources[i].getXMLReader().setEntityResolver(entityResolver);
1.117 + }
1.118 + return sources;
1.119 + }
1.120 +
1.121 + // quick test
1.122 + public static void main(String[] args) throws IOException {
1.123 + InputSource[] sources = new InputSource[args.length];
1.124 + for (int i = 0; i < args.length; i++)
1.125 + sources[i] = new InputSource(new File(args[i]).toURL().toExternalForm());
1.126 +
1.127 + check(sources, new ConsoleErrorReporter(), null);
1.128 + }
1.129 +}
