Mercurial > jdk8-mips64-public > jaxws / file revision

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  * 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.

  *

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 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, entityResolver));

         } 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, EntityResolver entityResolver) throws SAXException {

         SAXSource[] sources = new SAXSource[schemas.length];

         for (int i = 0; i < schemas.length; i++) {

             sources[i] = new SAXSource(schemas[i]);

 //            sources[i].getXMLReader().setEntityResolver(entityResolver);

         }

         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);

     }

 }