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
048    public JsonPathExpression() {
049    }
050
051    public JsonPathExpression(String expression) {
052        super(expression);
053    }
054
055    public String getResultTypeName() {
056        return resultTypeName;
057    }
058
059    /**
060     * Sets the class name of the result type (type from output)
061     */
062    public void setResultTypeName(String resultTypeName) {
063        this.resultTypeName = resultTypeName;
064    }
065
066    public Class<?> getResultType() {
067        return resultType;
068    }
069
070    /**
071     * Sets the class of the result type (type from output)
072     */
073    public void setResultType(Class<?> resultType) {
074        this.resultType = resultType;
075    }
076
077    public Boolean getSuppressExceptions() {
078        return suppressExceptions;
079    }
080
081    /**
082     * Whether to suppress exceptions such as PathNotFoundException.
083     */
084    public void setSuppressExceptions(Boolean suppressExceptions) {
085        this.suppressExceptions = suppressExceptions;
086    }
087
088    public String getLanguage() {
089        return "jsonpath";
090    }
091
092    @Override
093    public Expression createExpression(CamelContext camelContext) {
094        if (resultType == null && resultTypeName != null) {
095            try {
096                resultType = camelContext.getClassResolver().resolveMandatoryClass(resultTypeName);
097            } catch (ClassNotFoundException e) {
098                throw ObjectHelper.wrapRuntimeCamelException(e);
099            }
100        }
101        return super.createExpression(camelContext);
102    }
103
104    @Override
105    protected void configureExpression(CamelContext camelContext, Expression expression) {
106        if (resultType != null) {
107            setProperty(expression, "resultType", resultType);
108        }
109        if (suppressExceptions != null) {
110            setProperty(expression, "suppressExceptions", suppressExceptions);
111        }
112        super.configureExpression(camelContext, expression);
113    }
114
115    @Override
116    protected void configurePredicate(CamelContext camelContext, Predicate predicate) {
117        if (resultType != null) {
118            setProperty(predicate, "resultType", resultType);
119        }
120        if (suppressExceptions != null) {
121            setProperty(predicate, "suppressExceptions", suppressExceptions);
122        }
123        super.configurePredicate(camelContext, predicate);
124    }
125
126}