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 JSonPath expressions and predicates 032 * 033 * @version 034 */ 035 @XmlRootElement(name = "jsonpath") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class JsonPathExpression extends ExpressionDefinition { 038 039 @XmlAttribute(name = "resultType") 040 private String resultTypeName; 041 042 @XmlTransient 043 private Class<?> resultType; 044 045 public JsonPathExpression() { 046 } 047 048 public JsonPathExpression(String expression) { 049 super(expression); 050 } 051 052 public String getResultTypeName() { 053 return resultTypeName; 054 } 055 056 public void setResultTypeName(String resultTypeName) { 057 this.resultTypeName = resultTypeName; 058 } 059 060 public Class<?> getResultType() { 061 return resultType; 062 } 063 064 public void setResultType(Class<?> resultType) { 065 this.resultType = resultType; 066 } 067 068 public String getLanguage() { 069 return "jsonpath"; 070 } 071 072 @Override 073 public Expression createExpression(CamelContext camelContext) { 074 if (resultType == null && resultTypeName != null) { 075 try { 076 resultType = camelContext.getClassResolver().resolveMandatoryClass(resultTypeName); 077 } catch (ClassNotFoundException e) { 078 throw ObjectHelper.wrapRuntimeCamelException(e); 079 } 080 } 081 return super.createExpression(camelContext); 082 } 083 084 @Override 085 protected void configureExpression(CamelContext camelContext, Expression expression) { 086 if (resultType != null) { 087 setProperty(expression, "resultType", resultType); 088 } 089 super.configureExpression(camelContext, expression); 090 } 091 092 @Override 093 protected void configurePredicate(CamelContext camelContext, Predicate predicate) { 094 if (resultType != null) { 095 setProperty(predicate, "resultType", resultType); 096 } 097 super.configurePredicate(camelContext, predicate); 098 } 099 100 }