/*
* 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.servicemix.components.splitter;
import java.io.IOException;
import javax.jbi.JBIException;
import javax.jbi.messaging.ExchangeStatus;
import javax.jbi.messaging.InOnly;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.apache.servicemix.components.util.TransformComponentSupport;
import org.apache.servicemix.jbi.MissingPropertyException;
import org.apache.servicemix.jbi.jaxp.SourceTransformer;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**
* This Component splits a message according to a XPath expression.
*
* @deprecated use the XPathSplitter pattern from the EIP component instead
*/
public class SplitterComponent extends TransformComponentSupport {
/** Holds value of property nodePath. */
private String nodePath;
private XPathExpression expression;
private SourceTransformer st = new SourceTransformer();
protected void init() throws JBIException {
super.init();
if (nodePath == null) {
throw new MissingPropertyException("nodePath");
}
}
protected boolean transform(MessageExchange me, NormalizedMessage in,
NormalizedMessage out) throws MessagingException {
NodeList nodes;
try {
Node doc = st.toDOMNode(in);
if (expression == null) {
XPath xpath = XPathFactory.newInstance().newXPath();
expression = xpath.compile(nodePath);
}
nodes = (NodeList) expression.evaluate(doc, XPathConstants.NODESET);
} catch (TransformerException e) {
throw new MessagingException(e);
} catch (IOException e) {
throw new MessagingException(e);
} catch (SAXException e) {
throw new MessagingException(e);
} catch (ParserConfigurationException e) {
throw new MessagingException(e);
} catch (XPathExpressionException e) {
// If XPath Expression is mal formed
throw new MessagingException(e);
}
int total = nodes.getLength();
for (int i = 0; i < total; i++) {
out.setContent(new DOMSource(nodes.item(i)));
InOnly outExchange = getExchangeFactory().createInOnlyExchange();
outExchange.setInMessage(out);
getDeliveryChannel().sendSync(outExchange);
outExchange.setStatus(ExchangeStatus.DONE);
}
return false;
}
/**
* Getter for property nodePath.
*
* @return Value of property nodePath.
*/
public String getNodePath() {
return nodePath;
}
/**
* @org.xbean.Property alias="select"
*
* Setter for property nodePath.
* @param nodePath
* New value of property nodePath.
*/
public void setNodePath(String nodePath) {
this.nodePath = nodePath;
this.expression = null;
}
}