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.util.ObjectHelper;
029
030/**
031 * For JSonPath expressions and predicates
032 *
033 * @version 
034 */
035@XmlRootElement(name = "jsonpath")
036@XmlAccessorType(XmlAccessType.FIELD)
037public 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}