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.model.language; 018 019 import javax.xml.bind.annotation.XmlAccessType; 020 import javax.xml.bind.annotation.XmlAccessorType; 021 import javax.xml.bind.annotation.XmlAttribute; 022 import javax.xml.bind.annotation.XmlRootElement; 023 import javax.xml.bind.annotation.XmlTransient; 024 025 import org.apache.camel.CamelContext; 026 import org.apache.camel.Expression; 027 import org.apache.camel.Predicate; 028 import org.apache.camel.util.ObjectHelper; 029 030 /** 031 * For XQuery expressions and predicates 032 * 033 * @version 034 */ 035 @XmlRootElement(name = "xquery") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class XQueryExpression extends NamespaceAwareExpression { 038 @XmlAttribute 039 private String type; 040 @XmlTransient 041 private Class<?> resultType; 042 043 public XQueryExpression() { 044 } 045 046 public XQueryExpression(String expression) { 047 super(expression); 048 } 049 050 public String getLanguage() { 051 return "xquery"; 052 } 053 054 public String getType() { 055 return type; 056 } 057 058 public void setType(String type) { 059 this.type = type; 060 } 061 062 public Class<?> getResultType() { 063 return resultType; 064 } 065 066 public void setResultType(Class<?> resultType) { 067 this.resultType = resultType; 068 } 069 070 @Override 071 public Expression createExpression(CamelContext camelContext) { 072 if (resultType == null && type != null) { 073 try { 074 resultType = camelContext.getClassResolver().resolveMandatoryClass(type); 075 } catch (ClassNotFoundException e) { 076 throw ObjectHelper.wrapRuntimeCamelException(e); 077 } 078 } 079 080 return super.createExpression(camelContext); 081 } 082 083 @Override 084 protected void configureExpression(CamelContext camelContext, Expression expression) { 085 super.configureExpression(camelContext, expression); 086 if (resultType != null) { 087 setProperty(expression, "resultType", resultType); 088 } 089 } 090 091 @Override 092 protected void configurePredicate(CamelContext camelContext, Predicate predicate) { 093 super.configurePredicate(camelContext, predicate); 094 if (resultType != null) { 095 setProperty(predicate, "resultType", resultType); 096 } 097 } 098 099 }