| /** |
| * 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.camel.component.validator.jing; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.xml.XMLConstants; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.sax.SAXSource; |
| |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.XMLReader; |
| |
| import com.thaiopensource.relaxng.SchemaFactory; |
| import com.thaiopensource.util.PropertyMap; |
| import com.thaiopensource.util.PropertyMapBuilder; |
| import com.thaiopensource.validate.IncorrectSchemaException; |
| import com.thaiopensource.validate.Schema; |
| import com.thaiopensource.validate.ValidateProperty; |
| import com.thaiopensource.validate.Validator; |
| import com.thaiopensource.xml.sax.Jaxp11XMLReaderCreator; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.Processor; |
| import org.apache.camel.processor.validation.DefaultValidationErrorHandler; |
| import org.apache.camel.util.ExchangeHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.springframework.core.io.Resource; |
| |
| /** |
| * A validator which uses the <a |
| * href="http://www.thaiopensource.com/relaxng/jing.html">Jing</a> library to |
| * validate XML against RelaxNG |
| * |
| * @version |
| */ |
| public class JingValidator implements Processor { |
| //private static final transient Logger LOG = LoggerFactory.getLogger(JingValidator.class); |
| private Schema schema; |
| private SchemaFactory schemaFactory; |
| private String schemaNamespace = XMLConstants.RELAXNG_NS_URI; |
| private Resource schemaResource; |
| private InputSource inputSource; |
| private boolean compactSyntax; |
| |
| public void process(Exchange exchange) throws Exception { |
| Jaxp11XMLReaderCreator xmlCreator = new Jaxp11XMLReaderCreator(); |
| DefaultValidationErrorHandler errorHandler = new DefaultValidationErrorHandler(); |
| |
| PropertyMapBuilder mapBuilder = new PropertyMapBuilder(); |
| mapBuilder.put(ValidateProperty.XML_READER_CREATOR, xmlCreator); |
| mapBuilder.put(ValidateProperty.ERROR_HANDLER, errorHandler); |
| PropertyMap propertyMap = mapBuilder.toPropertyMap(); |
| |
| Validator validator = getSchema().createValidator(propertyMap); |
| |
| Message in = exchange.getIn(); |
| SAXSource saxSource = in.getBody(SAXSource.class); |
| if (saxSource == null) { |
| Source source = ExchangeHelper.getMandatoryInBody(exchange, Source.class); |
| saxSource = ExchangeHelper.convertToMandatoryType(exchange, SAXSource.class, source); |
| } |
| InputSource bodyInput = saxSource.getInputSource(); |
| |
| // now lets parse the body using the validator |
| XMLReader reader = xmlCreator.createXMLReader(); |
| reader.setContentHandler(validator.getContentHandler()); |
| reader.setDTDHandler(validator.getDTDHandler()); |
| reader.setErrorHandler(errorHandler); |
| reader.parse(bodyInput); |
| |
| errorHandler.handleErrors(exchange, schema); |
| } |
| |
| // Properties |
| // ------------------------------------------------------------------------- |
| |
| public Schema getSchema() throws IOException, IncorrectSchemaException, SAXException { |
| if (schema == null) { |
| SchemaFactory factory = getSchemaFactory(); |
| schema = factory.createSchema(getInputSource()); |
| } |
| return schema; |
| } |
| |
| public void setSchema(Schema schema) { |
| this.schema = schema; |
| } |
| |
| public InputSource getInputSource() throws IOException { |
| if (inputSource == null) { |
| Resource resource = getSchemaResource(); |
| if (resource == null) { |
| throw new IllegalArgumentException("No schemaResource or inputSource specified"); |
| } else { |
| InputStream inputStream = resource.getInputStream(); |
| if (inputStream == null) { |
| throw new IllegalArgumentException("No inputStream available for: " + resource); |
| } |
| inputSource = new InputSource(inputStream); |
| } |
| } |
| return inputSource; |
| } |
| |
| public void setInputSource(InputSource inputSource) { |
| this.inputSource = inputSource; |
| } |
| |
| public SchemaFactory getSchemaFactory() { |
| if (schemaFactory == null) { |
| schemaFactory = new SchemaFactory(); |
| schemaFactory.setCompactSyntax(compactSyntax); |
| schemaFactory.setXMLReaderCreator(new Jaxp11XMLReaderCreator()); |
| } |
| return schemaFactory; |
| } |
| |
| public void setSchemaFactory(SchemaFactory schemaFactory) { |
| this.schemaFactory = schemaFactory; |
| } |
| |
| public Resource getSchemaResource() { |
| return schemaResource; |
| } |
| |
| public void setSchemaResource(Resource schemaResource) { |
| this.schemaResource = schemaResource; |
| } |
| |
| public String getSchemaNamespace() { |
| return schemaNamespace; |
| } |
| |
| public void setSchemaNamespace(String schemaNamespace) { |
| this.schemaNamespace = schemaNamespace; |
| } |
| |
| public boolean isCompactSyntax() { |
| return compactSyntax; |
| } |
| |
| public void setCompactSyntax(boolean compactSyntax) { |
| this.compactSyntax = compactSyntax; |
| } |
| } |