/*
* Copyright 2002-2016 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.integration.xml.selector;
import java.util.HashMap;
import java.util.Map;
import org.springframework.integration.core.MessageSelector;
import org.springframework.integration.xml.DefaultXmlPayloadConverter;
import org.springframework.integration.xml.XmlPayloadConverter;
import org.springframework.xml.xpath.XPathExpression;
import org.springframework.xml.xpath.XPathExpressionFactory;
/**
* Base class for XPath {@link MessageSelector} implementations.
*
* @author Jonas Partner
*/
public abstract class AbstractXPathMessageSelector implements MessageSelector {
private final XPathExpression xPathExpresion;
private volatile XmlPayloadConverter converter = new DefaultXmlPayloadConverter();
/**
* @param xPathExpression XPath expression as a String
*/
public AbstractXPathMessageSelector(String xPathExpression) {
this.xPathExpresion = XPathExpressionFactory.createXPathExpression(xPathExpression);
}
/**
* @param xPathExpression XPath expression as a String
* @param prefix namespace prefix
* @param namespace namespace URI
*/
public AbstractXPathMessageSelector(String xPathExpression, String prefix, String namespace) {
Map<String, String> namespaces = new HashMap<String, String>();
namespaces.put(prefix, namespace);
this.xPathExpresion = XPathExpressionFactory.createXPathExpression(xPathExpression, namespaces);
}
/**
* @param xPathExpression XPath expression as a String
* @param namespaces Map of namespaces with prefixes as the Map keys
*/
public AbstractXPathMessageSelector(String xPathExpression, Map<String, String> namespaces) {
this.xPathExpresion = XPathExpressionFactory.createXPathExpression(xPathExpression, namespaces);
}
/**
* @param xPathExpression XPath expression
*/
public AbstractXPathMessageSelector(XPathExpression xPathExpression) {
this.xPathExpresion = xPathExpression;
}
/**
* Specify the converter used to convert payloads prior to XPath testing.
*
* @param converter The payload converter.
*/
public void setConverter(XmlPayloadConverter converter) {
this.converter = converter;
}
protected XmlPayloadConverter getConverter() {
return this.converter;
}
protected XPathExpression getXPathExpresion() {
return this.xPathExpresion;
}
}