| /* |
| * Copyright (c) 2014, 2015, Oracle and/or its affiliates. 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. |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package validation; |
| |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.io.UnsupportedEncodingException; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.w3c.dom.Document; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXParseException; |
| |
| public class XMLDocBuilder { |
| |
| private DocumentBuilderFactory factory = null; |
| private DocumentBuilder builder = null; |
| private Document doc = null; |
| private Reader reader = null; |
| private Reader schema = null; |
| private String encoding = null; |
| private String entityPath = null; |
| |
| public XMLDocBuilder(String file, String encoding, String schema) { |
| this.encoding = encoding; |
| reader = getReaderFromSystemResource(file, encoding); |
| this.schema = getReaderFromSystemResource(schema, encoding); |
| } |
| |
| public Document getDocument() { |
| if (reader == null) |
| return null; |
| |
| try { |
| factory = DocumentBuilderFactory.newInstance(); |
| |
| builder = factory.newDocumentBuilder(); |
| builder.setErrorHandler(new myErrorHandler()); |
| builder.setEntityResolver(new myEntityResolver()); |
| |
| InputSource source = new InputSource(reader); |
| source.setEncoding(encoding); |
| |
| try { |
| doc = builder.parse(source); |
| new XMLSchemaValidator(doc, schema).validate(); |
| |
| } catch (SAXException e) { |
| System.err.println(getClass() + " SAXException: " + e.getMessage()); |
| return null; |
| } catch (IOException e) { |
| System.err.println(getClass() + " IOException: " + e.getMessage()); |
| return null; |
| } catch (OutOfMemoryError e) { |
| e.printStackTrace(); |
| System.err.println(e.getCause().getLocalizedMessage()); |
| return null; |
| } |
| |
| } catch (ParserConfigurationException e) { |
| System.err.println(getClass() + " ParserConfigurationException: " + e.getMessage()); |
| return null; |
| } |
| return doc; |
| } |
| |
| public Reader getReaderFromSystemResource(String file, String encoding) { |
| |
| try { |
| return new InputStreamReader(getClass().getResourceAsStream(file), encoding); |
| } catch (UnsupportedEncodingException e) { |
| System.err.println(getClass() + " UnsupportedEncodingException: " + e.getMessage()); |
| } catch (IOException e) { |
| System.err.println(getClass() + " IOException: " + e.getMessage()); |
| } |
| return null; |
| } |
| |
| public void setEntityPath(String entityPath) { |
| this.entityPath = entityPath; |
| } |
| |
| private class myErrorHandler implements ErrorHandler { |
| |
| public void warning(SAXParseException e) { |
| showErrorMessage(e); |
| } |
| |
| public void error(SAXParseException e) { |
| showErrorMessage(e); |
| } |
| |
| public void fatalError(SAXParseException e) { |
| showErrorMessage(e); |
| } |
| |
| private void showErrorMessage(SAXParseException e) { |
| System.err.println(getClass() + " SAXParseException" + e.getMessage()); |
| System.err.println("Line: " + e.getLineNumber() + " Column: " + e.getColumnNumber()); |
| } |
| } |
| |
| private class myEntityResolver implements EntityResolver { |
| public InputSource resolveEntity(String publicId, String systemId) { |
| if (entityPath == null) |
| return null; |
| |
| systemId = entityPath + systemId.subSequence(systemId.lastIndexOf("/"), systemId.length()); |
| |
| return new InputSource(systemId); |
| } |
| } |
| } |