/**
* 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.xslt;
import java.util.Map;
import javax.xml.transform.TransformerFactory;
import org.apache.camel.Endpoint;
import org.apache.camel.builder.xml.XsltBuilder;
import org.apache.camel.component.ResourceBasedComponent;
import org.apache.camel.converter.jaxp.XmlConverter;
import org.apache.camel.impl.ProcessorEndpoint;
import org.apache.camel.util.CamelContextHelper;
import org.springframework.core.io.Resource;
/**
* An <a href="http://camel.apache.org/xslt.html">XSLT Component</a>
* for performing XSLT transforms of messages
*
* @version $Revision: 890042 $
*/
public class XsltComponent extends ResourceBasedComponent {
private XmlConverter xmlConverter;
public XmlConverter getXmlConverter() {
return xmlConverter;
}
public void setXmlConverter(XmlConverter xmlConverter) {
this.xmlConverter = xmlConverter;
}
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
Resource resource = resolveMandatoryResource(remaining);
if (log.isDebugEnabled()) {
log.debug(this + " using schema resource: " + resource);
}
XsltBuilder xslt = getCamelContext().getInjector().newInstance(XsltBuilder.class);
// lets allow the converter to be configured
XmlConverter converter = resolveAndRemoveReferenceParameter(parameters, "converter", XmlConverter.class);
if (converter == null) {
converter = getXmlConverter();
}
if (converter != null) {
xslt.setConverter(converter);
}
String transformerFactoryClassName = getAndRemoveParameter(parameters, "transformerFactoryClass", String.class);
TransformerFactory factory = null;
if (transformerFactoryClassName != null) {
// provide the class loader of this component to work in OSGi environments
Class<?> factoryClass = getCamelContext().getClassResolver().resolveClass(transformerFactoryClassName, XsltComponent.class.getClassLoader());
if (factoryClass != null) {
factory = (TransformerFactory) getCamelContext().getInjector().newInstance(factoryClass);
} else {
log.warn("Cannot find the TransformerFactoryClass with the class name: " + transformerFactoryClassName);
}
}
if (parameters.get("transformerFactory") != null) {
factory = resolveAndRemoveReferenceParameter(parameters, "transformerFactory", TransformerFactory.class);
}
if (factory != null) {
xslt.getConverter().setTransformerFactory(factory);
}
xslt.setTransformerInputStream(resource.getInputStream());
configureXslt(xslt, uri, remaining, parameters);
return new ProcessorEndpoint(uri, this, xslt);
}
protected void configureXslt(XsltBuilder xslt, String uri, String remaining, Map<String, Object> parameters) throws Exception {
setProperties(xslt, parameters);
}
}