001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.builder.xml;
018
019 import javax.xml.namespace.QName;
020
021 import org.apache.camel.Exchange;
022 import org.apache.camel.Expression;
023 import org.apache.camel.Predicate;
024 import org.apache.camel.spi.Language;
025
026 /**
027 * XPath language.
028 *
029 * @version $Revision: 659760 $
030 */
031 public class XPathLanguage implements Language {
032 private QName resultType;
033
034 public Predicate<Exchange> createPredicate(String expression) {
035 XPathBuilder builder = XPathBuilder.xpath(expression);
036 configureBuilder(builder);
037 return builder;
038 }
039
040 public Expression<Exchange> createExpression(String expression) {
041 XPathBuilder builder = XPathBuilder.xpath(expression);
042 configureBuilder(builder);
043 return builder;
044 }
045
046 public QName getResultType() {
047 return resultType;
048 }
049
050 public void setResultType(QName resultType) {
051 this.resultType = resultType;
052 }
053
054 protected void configureBuilder(XPathBuilder builder) {
055 if (resultType != null) {
056 builder.setResultQName(resultType);
057 }
058 }
059 }