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: 41826 $ 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 }