/**
* 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.parser.java;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.List;
import org.apache.camel.parser.ParserResult;
import org.apache.camel.parser.helper.CamelJavaParserHelper;
import org.jboss.forge.roaster.Roaster;
import org.jboss.forge.roaster.model.source.JavaClassSource;
import org.jboss.forge.roaster.model.source.MethodSource;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RoasterSimpleRouteBuilderConfigureTest {
private static final Logger LOG = LoggerFactory.getLogger(RoasterSimpleRouteBuilderConfigureTest.class);
@Test
public void parse() throws Exception {
JavaClassSource clazz = (JavaClassSource) Roaster.parse(new File("src/test/java/org/apache/camel/parser/java/MySimpleRouteBuilder.java"));
MethodSource<JavaClassSource> method = clazz.getMethod("configure");
List<ParserResult> list = CamelJavaParserHelper.parseCamelSimpleExpressions(method);
for (ParserResult simple : list) {
LOG.info("Simple: " + simple.getElement());
LOG.info(" Line: " + findLineNumber(simple.getPosition()));
}
Assert.assertEquals("${body} > 100", list.get(0).getElement());
Assert.assertEquals(true, list.get(0).getPredicate());
Assert.assertEquals(27, findLineNumber(list.get(0).getPosition()));
Assert.assertEquals("${body} > 200", list.get(1).getElement());
Assert.assertEquals(true, list.get(1).getPredicate());
Assert.assertEquals(30, findLineNumber(list.get(1).getPosition()));
}
public static int findLineNumber(int pos) throws Exception {
int lines = 0;
int current = 0;
File file = new File("src/test/java/org/apache/camel/parser/java/MySimpleRouteBuilder.java");
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line;
while ((line = br.readLine()) != null) {
lines++;
current += line.length();
if (current > pos) {
return lines;
}
}
}
return -1;
}
}