/**
* 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;
import java.io.InputStream;
import java.util.Map;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.ls.LSResourceResolver;
import org.apache.camel.Endpoint;
import org.apache.camel.impl.DefaultComponent;
import org.apache.camel.impl.ProcessorEndpoint;
import org.apache.camel.processor.validation.ValidatingProcessor;
import org.apache.camel.util.ResourceHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The <a href="http://camel.apache.org/validator.html">Validator Component</a>
* for validating XML against some schema
*/
public class ValidatorComponent extends DefaultComponent {
private static final transient Logger LOG = LoggerFactory.getLogger(ValidatorComponent.class);
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
final String resourceUri = remaining;
InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(getCamelContext().getClassResolver(), resourceUri);
StreamSource source = new StreamSource(is);
ValidatingProcessor validator = new ValidatingProcessor();
validator.setSchemaSource(source);
LOG.debug("{} using schema resource: {}", this, resourceUri);
configureValidator(validator, uri, remaining, parameters);
// force loading of schema at create time otherwise concurrent
// processing could
// cause thread safe issues for the javax.xml.validation.SchemaFactory
validator.loadSchema();
return new ProcessorEndpoint(uri, this, validator);
}
protected void configureValidator(ValidatingProcessor validator, String uri, String remaining, Map<String, Object> parameters) throws Exception {
LSResourceResolver resourceResolver = resolveAndRemoveReferenceParameter(parameters, "resourceResolver", LSResourceResolver.class);
if (resourceResolver != null) {
validator.setResourceResolver(resourceResolver);
}
setProperties(validator, parameters);
}
}