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.impl.RouteContext; 028 import org.apache.camel.model.OutputType; 029 import org.apache.commons.logging.Log; 030 import org.apache.commons.logging.LogFactory; 031 032 /** 033 * For XQuery expresions and predicates 034 * 035 * @version $Revision: 36321 $ 036 */ 037 @XmlRootElement(name = "xquery") 038 @XmlAccessorType(XmlAccessType.FIELD) 039 public class XQueryExpression extends NamespaceAwareExpression { 040 private static final transient Log LOG = LogFactory.getLog(XQueryExpression.class); 041 042 @XmlAttribute(required = false) 043 private String type; 044 @XmlTransient 045 private Class resultType; 046 047 public XQueryExpression() { 048 } 049 050 public XQueryExpression(String expression) { 051 super(expression); 052 } 053 054 public String getLanguage() { 055 return "xquery"; 056 } 057 058 public String getType() { 059 return type; 060 } 061 062 public void setType(String type) { 063 this.type = type; 064 } 065 066 public Class getResultType() { 067 return resultType; 068 } 069 070 public void setResultType(Class resultType) { 071 this.resultType = resultType; 072 } 073 074 @Override 075 protected void configureExpression(RouteContext routeContext, Expression expression) { 076 super.configureExpression(routeContext, expression); 077 updateResultType(); 078 if (resultType != null) { 079 setProperty(expression, "resultType", resultType); 080 } 081 } 082 083 @Override 084 protected void configurePredicate(RouteContext routeContext, Predicate predicate) { 085 super.configurePredicate(routeContext, predicate); 086 updateResultType(); 087 if (resultType != null) { 088 setProperty(predicate, "resultType", resultType); 089 } 090 } 091 092 private void updateResultType() { 093 if (resultType == null && type != null) { 094 try { 095 resultType = Class.forName(type); 096 } catch (ClassNotFoundException e) { 097 LOG.error("ClassNotFoundException creating class: " + type); 098 } 099 } 100 } 101 }