/**
* 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.camel.model.language;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.camel.CamelContext;
import org.apache.camel.Expression;
import org.apache.camel.Predicate;
import org.apache.camel.spi.Metadata;
import org.apache.camel.util.ObjectHelper;
/**
* For XQuery expressions and predicates
*
* @version
*/
@Metadata(firstVersion = "1.0.0", label = "language,xml", title = "XQuery")
@XmlRootElement(name = "xquery")
@XmlAccessorType(XmlAccessType.FIELD)
public class XQueryExpression extends NamespaceAwareExpression {
@XmlAttribute
private String type;
@XmlTransient
private Class<?> resultType;
@XmlAttribute
private String headerName;
public XQueryExpression() {
}
public XQueryExpression(String expression) {
super(expression);
}
public String getLanguage() {
return "xquery";
}
public String getType() {
return type;
}
/**
* Sets the class name of the result type (type from output)
* <p/>
* The default result type is NodeSet
*/
public void setType(String type) {
this.type = type;
}
public Class<?> getResultType() {
return resultType;
}
/**
* Sets the class of the result type (type from output).
* <p/>
* The default result type is NodeSet
*/
public void setResultType(Class<?> resultType) {
this.resultType = resultType;
}
public String getHeaderName() {
return headerName;
}
/**
* Name of header to use as input, instead of the message body
*/
public void setHeaderName(String headerName) {
this.headerName = headerName;
}
@Override
public Expression createExpression(CamelContext camelContext) {
if (resultType == null && type != null) {
try {
resultType = camelContext.getClassResolver().resolveMandatoryClass(type);
} catch (ClassNotFoundException e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
return super.createExpression(camelContext);
}
@Override
protected void configureExpression(CamelContext camelContext, Expression expression) {
if (resultType != null) {
setProperty(expression, "resultType", resultType);
}
if (ObjectHelper.isNotEmpty(getHeaderName())) {
setProperty(expression, "headerName", getHeaderName());
}
super.configureExpression(camelContext, expression);
}
@Override
protected void configurePredicate(CamelContext camelContext, Predicate predicate) {
if (resultType != null) {
setProperty(predicate, "resultType", resultType);
}
if (ObjectHelper.isNotEmpty(getHeaderName())) {
setProperty(predicate, "headerName", getHeaderName());
}
super.configurePredicate(camelContext, predicate);
}
}