/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed 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.synapse.xml;
import java.util.Iterator;
import javax.xml.namespace.QName;
import org.apache.axis2.om.OMAttribute;
import org.apache.axis2.om.OMElement;
import org.apache.axis2.om.OMNamespace;
import org.apache.synapse.xml.Constants;
import org.apache.synapse.Processor;
import org.apache.synapse.SynapseEnvironment;
import org.apache.synapse.SynapseException;
import org.apache.synapse.processors.rules.XPathProcessor;
/**
*
*
* <p>
* This class executes a test and then processes all subsequent rules/mediations
* if the test is true
*
*/
public class XPathProcessorConfigurator extends
AbstractListProcessorConfigurator {
private static final String XPATH = "xpath";
private static final QName XPATH_Q = new QName(Constants.SYNAPSE_NAMESPACE,
"xpath");
private static final QName XPATH_EXPRESSION_ATT_Q = new QName("expr");
/*
* (non-Javadoc)
*
* @see org.apache.synapse.spi.Processor#compile(org.apache.synapse.api.SynapseEnvironment,
* org.apache.axis2.om.OMElement)
*/
public Processor createProcessor(SynapseEnvironment se, OMElement el) {
XPathProcessor xp = new XPathProcessor();
super.addChildrenAndSetName(se, el, xp);
OMAttribute expr = el.getAttribute(XPATH_EXPRESSION_ATT_Q);
if (expr == null) {
throw new SynapseException(XPATH + " must have "
+ XPATH_EXPRESSION_ATT_Q + " attribute: " + el.toString());
}
xp.setXPathExpr(expr.getAttributeValue());
Iterator it = el.getAllDeclaredNamespaces();
while (it.hasNext()) {
OMNamespace n = (OMNamespace) it.next();
xp.addXPathNamespace(n.getPrefix(), n.getName());
}
return xp;
}
public QName getTagQName() {
return XPATH_Q;
}
}