| /******************************************************************************* |
| * Copyright (c) 2001, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.ui.internal.wizards; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.wst.common.uriresolver.internal.util.URIHelper; |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXParseException; |
| |
| public class XMLSchemaValidationChecker { |
| public boolean isValid(IFile ifile) { |
| String xsdFileName = ifile.getLocation().toString(); |
| return isValid(xsdFileName); |
| } |
| |
| /** |
| * Should this be implemented as a Validator and simply called as such |
| * with a reporter that only checks the results for severity = error? Or |
| * should the Xerces requirement be broken using a plug-in extension? |
| */ |
| |
| public boolean isValid(String xsdFileName) { |
| // DOMASBuilderImpl builder = new DOMASBuilderImpl(); |
| // DOMErrorHandler errorHandler = new DOMErrorHandler(); |
| // builder.setErrorHandler(errorHandler); |
| try { |
| // String uri = |
| URIHelper.getURIForFilePath(xsdFileName); |
| // ASModel model = builder.parseASURI(uri); |
| // if (errorHandler.hasError()) |
| // return false; |
| } |
| catch (Exception e) // invalid schema |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // inner class |
| class DOMErrorHandler implements ErrorHandler { |
| private boolean hasError = false; |
| |
| public boolean hasError() { |
| return hasError; |
| } |
| |
| public void error(SAXParseException err) { |
| hasError = true; |
| } |
| |
| public void fatalError(SAXParseException exception) throws SAXException { |
| hasError = true; |
| } |
| |
| public void warning(SAXParseException exception) throws SAXException { |
| // not an error |
| } |
| } // end DOMErrorHandlerImpl |
| |
| } |