| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.jsonpath; |
| |
| import java.io.File; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.jayway.jsonpath.Option; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Expression; |
| import org.apache.camel.Predicate; |
| import org.apache.camel.spi.Language; |
| import org.apache.camel.support.DefaultExchange; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Test; |
| |
| public class JsonPathLanguageTest extends CamelTestSupport { |
| |
| @Override |
| public boolean isUseRouteBuilder() { |
| return false; |
| } |
| |
| @Test |
| public void testExpressionArray() throws Exception { |
| Exchange exchange = new DefaultExchange(context); |
| exchange.getIn().setBody(new File("src/test/resources/books.json")); |
| |
| Language lan = context.resolveLanguage("jsonpath"); |
| Expression exp = lan.createExpression("$.store.book[*].author"); |
| List<?> authors = exp.evaluate(exchange, List.class); |
| log.debug("Authors {}", authors); |
| |
| assertNotNull(authors); |
| assertEquals(2, authors.size()); |
| assertEquals("Nigel Rees", authors.get(0)); |
| assertEquals("Evelyn Waugh", authors.get(1)); |
| |
| exp = lan.createExpression("$.store.bicycle.price"); |
| String price = exp.evaluate(exchange, String.class); |
| assertEquals("Got a wrong result", "19.95", price); |
| } |
| |
| @Test |
| public void testExpressionField() throws Exception { |
| Exchange exchange = new DefaultExchange(context); |
| exchange.getIn().setBody(new File("src/test/resources/type.json")); |
| |
| Language lan = context.resolveLanguage("jsonpath"); |
| Expression exp = lan.createExpression("$.kind"); |
| String kind = exp.evaluate(exchange, String.class); |
| |
| assertNotNull(kind); |
| assertEquals("full", kind); |
| |
| exp = lan.createExpression("$.type"); |
| String type = exp.evaluate(exchange, String.class); |
| assertNotNull(type); |
| assertEquals("customer", type); |
| } |
| |
| @Test |
| public void testExpressionPojo() throws Exception { |
| Exchange exchange = new DefaultExchange(context); |
| Map pojo = new HashMap(); |
| pojo.put("kind", "full"); |
| pojo.put("type", "customer"); |
| exchange.getIn().setBody(pojo); |
| |
| Language lan = context.resolveLanguage("jsonpath"); |
| Expression exp = lan.createExpression("$.kind"); |
| String kind = exp.evaluate(exchange, String.class); |
| |
| assertNotNull(kind); |
| assertEquals("full", kind); |
| |
| exp = lan.createExpression("$.type"); |
| String type = exp.evaluate(exchange, String.class); |
| assertNotNull(type); |
| assertEquals("customer", type); |
| } |
| |
| @Test |
| public void testPredicate() throws Exception { |
| // Test books.json file |
| Exchange exchange = new DefaultExchange(context); |
| exchange.getIn().setBody(new File("src/test/resources/books.json")); |
| |
| Language lan = context.resolveLanguage("jsonpath"); |
| Predicate pre = lan.createPredicate("$.store.book[?(@.price < 10)]"); |
| boolean cheap = pre.matches(exchange); |
| assertTrue("Should have cheap books", cheap); |
| |
| pre = lan.createPredicate("$.store.book[?(@.price > 30)]"); |
| boolean expensive = pre.matches(exchange); |
| assertFalse("Should not have expensive books", expensive); |
| } |
| |
| @Test |
| public void testSuppressException() throws Exception { |
| Exchange exchange = new DefaultExchange(context); |
| exchange.getIn().setBody(new File("src/test/resources/type.json")); |
| |
| JsonPathLanguage lan = (JsonPathLanguage) context.resolveLanguage("jsonpath"); |
| lan.setOption(Option.SUPPRESS_EXCEPTIONS); |
| |
| Expression exp = lan.createExpression("$.foo"); |
| String nofoo = exp.evaluate(exchange, String.class); |
| |
| assertNull(nofoo); |
| } |
| |
| } |