| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.lenya.xml; |
| |
| import javax.xml.transform.Source; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.sax.SAXResult; |
| |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.cocoon.components.validation.Validator; |
| import org.apache.cocoon.spring.configurator.WebAppContextUtils; |
| import org.apache.cocoon.xml.dom.DOMStreamer; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.ErrorHandler; |
| |
| /** |
| * Validation utility. |
| */ |
| public class ValidationUtil { |
| |
| /** |
| * @param document The document to validate. |
| * @param handler The SAX error handler. |
| * @throws Exception if an error occurs. |
| */ |
| /* never used |
| public static void validate(Document document, ErrorHandler handler) throws Exception { |
| org.w3c.dom.Document xmlDoc = DocumentHelper.readDocument(document.getInputStream()); |
| validate(xmlDoc, document.getResourceType().getSchema(), handler); |
| |
| } |
| */ |
| |
| /** |
| * @param xmlDoc The XML document. |
| * @param schema The schema to use. |
| * @param handler The SAX error handler. |
| * @throws Exception if an error occurs. |
| */ |
| public static void validate(org.w3c.dom.Document xmlDoc, Schema schema, ErrorHandler handler) |
| throws Exception { |
| Validator validator = getValidator(); |
| ContentHandler validatorHandler = validator.getValidationHandler(schema.getURI(), handler); |
| new DOMStreamer(validatorHandler).stream(xmlDoc); |
| } |
| |
| protected static Validator getValidator() { |
| Validator validator = (Validator) WebAppContextUtils.getCurrentWebApplicationContext() |
| .getBean(Validator.ROLE); |
| return validator; |
| } |
| |
| /** |
| * @param source The source to validate. |
| * @param schema The schema to use. |
| * @param handler The SAX error handler. |
| * @throws Exception if an error occurs. |
| */ |
| public static void validate(Source source, Schema schema, ErrorHandler handler) |
| throws Exception { |
| Validator validator = getValidator(); |
| ContentHandler validatorHandler = validator.getValidationHandler(schema.getURI(), handler); |
| |
| Transformer transformer = TransformerFactory.newInstance().newTransformer(); |
| SAXResult result = new SAXResult(validatorHandler); |
| transformer.transform(source, result); |
| } |
| |
| } |