org.springframework.xml.xpath.AbstractXPathTemplate Maven / Gradle / Ivy
/*
* Copyright 2005-2014 the original author or authors.
*
* 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.springframework.xml.xpath;
import java.util.Map;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMResult;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.springframework.xml.transform.TransformerObjectSupport;
/**
* Abstract base class for implementations of {@link XPathOperations}. Contains a namespaces property.
*
* @author Arjen Poutsma
* @since 1.0.0
*/
public abstract class AbstractXPathTemplate extends TransformerObjectSupport implements XPathOperations {
private Map namespaces;
/** Returns namespaces used in the XPath expression. */
public Map getNamespaces() {
return namespaces;
}
/** Sets namespaces used in the XPath expression. Maps prefixes to namespaces. */
public void setNamespaces(Map namespaces) {
this.namespaces = namespaces;
}
@Override
public final void evaluate(String expression, Source context, NodeCallbackHandler callbackHandler)
throws XPathException {
evaluate(expression, context, new NodeCallbackHandlerNodeMapper(callbackHandler));
}
/** Static inner class that adapts a {@link NodeCallbackHandler} to the interface of {@link NodeMapper}. */
private static class NodeCallbackHandlerNodeMapper implements NodeMapper