src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/xmlschema/parser/SchemaConstraintChecker.java

Tue, 06 Mar 2012 16:09:35 -0800

author
ohair
date
Tue, 06 Mar 2012 16:09:35 -0800
changeset 286
f50545b5e2f1
child 368
0989ad8c0860
permissions
-rw-r--r--

7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom

ohair@286 1 /*
ohair@286 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.tools.internal.xjc.reader.xmlschema.parser;
ohair@286 27
ohair@286 28 import java.io.File;
ohair@286 29 import java.io.IOException;
ohair@286 30
ohair@286 31 import javax.xml.transform.Source;
ohair@286 32 import javax.xml.transform.sax.SAXSource;
ohair@286 33 import javax.xml.validation.SchemaFactory;
ohair@286 34
ohair@286 35 import com.sun.tools.internal.xjc.ConsoleErrorReporter;
ohair@286 36 import com.sun.tools.internal.xjc.ErrorReceiver;
ohair@286 37 import com.sun.tools.internal.xjc.util.ErrorReceiverFilter;
ohair@286 38
ohair@286 39 import org.w3c.dom.ls.LSInput;
ohair@286 40 import org.w3c.dom.ls.LSResourceResolver;
ohair@286 41 import org.xml.sax.EntityResolver;
ohair@286 42 import org.xml.sax.InputSource;
ohair@286 43 import org.xml.sax.SAXException;
ohair@286 44
ohair@286 45 import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI;
ohair@286 46
ohair@286 47 /**
ohair@286 48 * Checks XML Schema XML representation constraints and
ohair@286 49 * schema component constraints by using JAXP 1.3 validation framework.
ohair@286 50 * <p/>
ohair@286 51 *
ohair@286 52 * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
ohair@286 53 * @author Ryan Shoemaker (ryan.shoemaker@sun.com)
ohair@286 54 */
ohair@286 55 public class SchemaConstraintChecker {
ohair@286 56
ohair@286 57 /**
ohair@286 58 * @param schemas Schema files to be checked.
ohair@286 59 * @param errorHandler detected errors will be reported to this handler.
ohair@286 60 * @return true if there was no error, false if there were errors.
ohair@286 61 */
ohair@286 62 public static boolean check(InputSource[] schemas,
ohair@286 63 ErrorReceiver errorHandler, final EntityResolver entityResolver) {
ohair@286 64
ohair@286 65 ErrorReceiverFilter errorFilter = new ErrorReceiverFilter(errorHandler);
ohair@286 66 boolean hadErrors = false;
ohair@286 67
ohair@286 68 SchemaFactory sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI);
ohair@286 69 sf.setErrorHandler(errorFilter);
ohair@286 70 if( entityResolver != null ) {
ohair@286 71 sf.setResourceResolver(new LSResourceResolver() {
ohair@286 72 public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
ohair@286 73 try {
ohair@286 74 // XSOM passes the namespace URI to the publicID parameter.
ohair@286 75 // we do the same here .
ohair@286 76 InputSource is = entityResolver.resolveEntity(namespaceURI, systemId);
ohair@286 77 if(is==null) return null;
ohair@286 78 return new LSInputSAXWrapper(is);
ohair@286 79 } catch (SAXException e) {
ohair@286 80 // TODO: is this sufficient?
ohair@286 81 return null;
ohair@286 82 } catch (IOException e) {
ohair@286 83 // TODO: is this sufficient?
ohair@286 84 return null;
ohair@286 85 }
ohair@286 86 }
ohair@286 87 });
ohair@286 88 }
ohair@286 89
ohair@286 90 try {
ohair@286 91 sf.newSchema(getSchemaSource(schemas, entityResolver));
ohair@286 92 } catch (SAXException e) {
ohair@286 93 // TODO: we haven't thrown exceptions from here before. should we just trap them and return false?
ohair@286 94 hadErrors = true;
ohair@286 95 } catch( OutOfMemoryError e) {
ohair@286 96 errorHandler.warning(null,Messages.format(Messages.WARN_UNABLE_TO_CHECK_CORRECTNESS));
ohair@286 97 }
ohair@286 98
ohair@286 99 return !(hadErrors || errorFilter.hadError());
ohair@286 100 }
ohair@286 101
ohair@286 102 /**
ohair@286 103 * convert an array of {@link InputSource InputSource} into an
ohair@286 104 * array of {@link Source Source}
ohair@286 105 *
ohair@286 106 * @param schemas array of {@link InputSource InputSource}
ohair@286 107 * @return array of {@link Source Source}
ohair@286 108 */
ohair@286 109 private static Source[] getSchemaSource(InputSource[] schemas, EntityResolver entityResolver) throws SAXException {
ohair@286 110 SAXSource[] sources = new SAXSource[schemas.length];
ohair@286 111 for (int i = 0; i < schemas.length; i++) {
ohair@286 112 sources[i] = new SAXSource(schemas[i]);
ohair@286 113 // sources[i].getXMLReader().setEntityResolver(entityResolver);
ohair@286 114 }
ohair@286 115 return sources;
ohair@286 116 }
ohair@286 117
ohair@286 118 // quick test
ohair@286 119 public static void main(String[] args) throws IOException {
ohair@286 120 InputSource[] sources = new InputSource[args.length];
ohair@286 121 for (int i = 0; i < args.length; i++)
ohair@286 122 sources[i] = new InputSource(new File(args[i]).toURL().toExternalForm());
ohair@286 123
ohair@286 124 check(sources, new ConsoleErrorReporter(), null);
ohair@286 125 }
ohair@286 126 }

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