/*
* 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 jakarta.el;
import java.io.File;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletContextEvent;
import jakarta.servlet.ServletContextListener;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.jsp.JspApplicationContext;
import jakarta.servlet.jsp.JspFactory;
import org.junit.Assert;
import org.junit.Test;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.startup.TomcatBaseTest;
import org.apache.tomcat.util.buf.ByteChunk;
public class TestOptionalELResolverInJsp extends TomcatBaseTest {
@Test
public void test() throws Exception {
Tomcat tomcat = getTomcatInstance();
File appDir = new File("test/webapp");
Context ctx = tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
ctx.addApplicationListener(ResolverConfigListener.class.getName());
tomcat.start();
ByteChunk responseBody = new ByteChunk();
int rc = getUrl("http://localhost:" + getPort() + "/test/el-optional.jsp", responseBody, null);
Assert.assertEquals(HttpServletResponse.SC_OK, rc);
String result = responseBody.toString();
assertEcho(result, "00-");
assertEcho(result, "01-");
assertEcho(result, "02-");
assertEcho(result, "03-");
assertEcho(result, "10-This is an instance of TesterBeanB");
assertEcho(result, "11-test");
assertEcho(result, "13-Returned from the doSomething() method");
assertEcho(result, "20-");
assertEcho(result, "21-");
assertEcho(result, "22-");
assertEcho(result, "23-");
assertEcho(result, "30-This is an instance of TesterBeanB");
assertEcho(result, "31-test");
assertEcho(result, "33-Returned from the doSomething() method");
}
// Assertion for text contained with <p></p>, e.g. printed by tags:echo
private static void assertEcho(String result, String expected) {
Assert.assertTrue(result, result.indexOf("<p>" + expected + "</p>") > 0);
}
public static class ResolverConfigListener implements ServletContextListener {
@Override
public void contextInitialized(ServletContextEvent sce) {
ServletContext servletContext = sce.getServletContext();
JspFactory jspFactory = JspFactory.getDefaultFactory();
JspApplicationContext jspApplicationContext = jspFactory.getJspApplicationContext(servletContext);
jspApplicationContext.addELResolver(new OptionalELResolver());
}
}
}