001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.component.xslt;
018
019 import java.util.Map;
020
021 import org.apache.camel.Endpoint;
022 import org.apache.camel.Exchange;
023 import org.apache.camel.builder.xml.XsltBuilder;
024 import org.apache.camel.component.ResourceBasedComponent;
025 import org.apache.camel.converter.jaxp.XmlConverter;
026 import org.apache.camel.impl.ProcessorEndpoint;
027 import org.springframework.core.io.Resource;
028
029 /**
030 * An <a href="http://activemq.apache.org/camel/xslt.html">XSLT Component</a>
031 * for performing XSLT transforms of messages
032 *
033 * @version $Revision: 655776 $
034 */
035 public class XsltComponent extends ResourceBasedComponent {
036 private XmlConverter xmlConverter;
037
038 public XmlConverter getXmlConverter() {
039 return xmlConverter;
040 }
041
042 public void setXmlConverter(XmlConverter xmlConverter) {
043 this.xmlConverter = xmlConverter;
044 }
045
046 protected Endpoint<Exchange> createEndpoint(String uri, String remaining, Map parameters) throws Exception {
047 Resource resource = resolveMandatoryResource(remaining);
048 if (log.isDebugEnabled()) {
049 log.debug(this + " using schema resource: " + resource);
050 }
051 XsltBuilder xslt = newInstance(XsltBuilder.class);
052
053 // lets allow the converter to be configured
054 XmlConverter converter = null;
055 String converterName = getAndRemoveParameter(parameters, "converter", String.class);
056 if (converterName != null) {
057 converter = mandatoryLookup(converterName, XmlConverter.class);
058 }
059 if (converter == null) {
060 converter = getXmlConverter();
061 }
062 if (converter != null) {
063 xslt.setConverter(converter);
064 }
065
066 xslt.setTransformerInputStream(resource.getInputStream());
067 configureXslt(xslt, uri, remaining, parameters);
068 return new ProcessorEndpoint(uri, this, xslt);
069 }
070
071 protected void configureXslt(XsltBuilder xslt, String uri, String remaining, Map parameters) throws Exception {
072 setProperties(xslt, parameters);
073 }
074 }