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 */ 017package org.apache.camel.model.language; 018 019import javax.xml.bind.annotation.XmlAccessType; 020import javax.xml.bind.annotation.XmlAccessorType; 021import javax.xml.bind.annotation.XmlAttribute; 022import javax.xml.bind.annotation.XmlRootElement; 023import javax.xml.bind.annotation.XmlTransient; 024 025import org.apache.camel.CamelContext; 026import org.apache.camel.Expression; 027import org.apache.camel.Predicate; 028import org.apache.camel.spi.Metadata; 029import org.apache.camel.util.ObjectHelper; 030 031/** 032 * For JSonPath expressions and predicates 033 * 034 * @version 035 */ 036@Metadata(label = "language,json", title = "JSonPath") 037@XmlRootElement(name = "jsonpath") 038@XmlAccessorType(XmlAccessType.FIELD) 039public class JsonPathExpression extends ExpressionDefinition { 040 041 @XmlAttribute(name = "resultType") 042 private String resultTypeName; 043 @XmlTransient 044 private Class<?> resultType; 045 @XmlAttribute @Metadata(defaultValue = "false") 046 private Boolean suppressExceptions; 047 @XmlAttribute @Metadata(defaultValue = "true") 048 private Boolean allowSimple; 049 050 public JsonPathExpression() { 051 } 052 053 public JsonPathExpression(String expression) { 054 super(expression); 055 } 056 057 public String getResultTypeName() { 058 return resultTypeName; 059 } 060 061 /** 062 * Sets the class name of the result type (type from output) 063 */ 064 public void setResultTypeName(String resultTypeName) { 065 this.resultTypeName = resultTypeName; 066 } 067 068 public Class<?> getResultType() { 069 return resultType; 070 } 071 072 /** 073 * Sets the class of the result type (type from output) 074 */ 075 public void setResultType(Class<?> resultType) { 076 this.resultType = resultType; 077 } 078 079 public Boolean getSuppressExceptions() { 080 return suppressExceptions; 081 } 082 083 public Boolean getAllowSimple() { 084 return allowSimple; 085 } 086 087 /** 088 * Whether to allow in inlined simple exceptions in the json path expression 089 */ 090 public void setAllowSimple(Boolean allowSimple) { 091 this.allowSimple = allowSimple; 092 } 093 094 /** 095 * Whether to suppress exceptions such as PathNotFoundException. 096 */ 097 public void setSuppressExceptions(Boolean suppressExceptions) { 098 this.suppressExceptions = suppressExceptions; 099 } 100 101 public String getLanguage() { 102 return "jsonpath"; 103 } 104 105 @Override 106 public Expression createExpression(CamelContext camelContext) { 107 if (resultType == null && resultTypeName != null) { 108 try { 109 resultType = camelContext.getClassResolver().resolveMandatoryClass(resultTypeName); 110 } catch (ClassNotFoundException e) { 111 throw ObjectHelper.wrapRuntimeCamelException(e); 112 } 113 } 114 return super.createExpression(camelContext); 115 } 116 117 @Override 118 protected void configureExpression(CamelContext camelContext, Expression expression) { 119 if (resultType != null) { 120 setProperty(expression, "resultType", resultType); 121 } 122 if (suppressExceptions != null) { 123 setProperty(expression, "suppressExceptions", suppressExceptions); 124 } 125 if (allowSimple != null) { 126 setProperty(expression, "allowSimple", allowSimple); 127 } 128 super.configureExpression(camelContext, expression); 129 } 130 131 @Override 132 protected void configurePredicate(CamelContext camelContext, Predicate predicate) { 133 if (resultType != null) { 134 setProperty(predicate, "resultType", resultType); 135 } 136 if (suppressExceptions != null) { 137 setProperty(predicate, "suppressExceptions", suppressExceptions); 138 } 139 if (allowSimple != null) { 140 setProperty(predicate, "allowSimple", allowSimple); 141 } 142 super.configurePredicate(camelContext, predicate); 143 } 144 145}