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.Expression; 026 import org.apache.camel.Predicate; 027 import org.apache.camel.spi.RouteContext; 028 import org.apache.commons.logging.Log; 029 import org.apache.commons.logging.LogFactory; 030 031 /** 032 * For XQuery expressions and predicates 033 * 034 * @version $Revision: 45033 $ 035 */ 036 @XmlRootElement(name = "xquery") 037 @XmlAccessorType(XmlAccessType.FIELD) 038 public class XQueryExpression extends NamespaceAwareExpression { 039 private static final transient Log LOG = LogFactory.getLog(XQueryExpression.class); 040 041 @XmlAttribute(required = false) 042 private String type; 043 @XmlTransient 044 private Class resultType; 045 046 public XQueryExpression() { 047 } 048 049 public XQueryExpression(String expression) { 050 super(expression); 051 } 052 053 public String getLanguage() { 054 return "xquery"; 055 } 056 057 public String getType() { 058 return type; 059 } 060 061 public void setType(String type) { 062 this.type = type; 063 } 064 065 public Class getResultType() { 066 return resultType; 067 } 068 069 public void setResultType(Class resultType) { 070 this.resultType = resultType; 071 } 072 073 @Override 074 protected void configureExpression(RouteContext routeContext, Expression expression) { 075 super.configureExpression(routeContext, expression); 076 updateResultType(); 077 if (resultType != null) { 078 setProperty(expression, "resultType", resultType); 079 } 080 } 081 082 @Override 083 protected void configurePredicate(RouteContext routeContext, Predicate predicate) { 084 super.configurePredicate(routeContext, predicate); 085 updateResultType(); 086 if (resultType != null) { 087 setProperty(predicate, "resultType", resultType); 088 } 089 } 090 091 private void updateResultType() { 092 if (resultType == null && type != null) { 093 try { 094 resultType = Class.forName(type); 095 } catch (ClassNotFoundException e) { 096 LOG.error("ClassNotFoundException creating class: " + type); 097 } 098 } 099 } 100 }