103 lines
3.8 KiB
Java
103 lines
3.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.jasper.compiler;
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import java.io.File;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.catalina.Context;
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import org.apache.catalina.startup.Tomcat;
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import org.apache.catalina.startup.TomcatBaseTest;
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import org.apache.jasper.JspCompilationContext;
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import org.apache.jasper.compiler.ELInterpreterFactory.DefaultELInterpreter;
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public class TestELInterpreterFactory extends TomcatBaseTest {
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public static class SimpleELInterpreter implements ELInterpreter {
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@Override
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public String interpreterCall(JspCompilationContext context,
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boolean isTagFile, String expression, Class<?> expectedType,
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String fnmapvar) {
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return expression;
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}
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}
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@Test
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public void testBug54239() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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File appDir = new File("test/webapp");
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Context ctx = tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
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tomcat.start();
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ServletContext context = ctx.getServletContext();
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ELInterpreter interpreter =
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ELInterpreterFactory.getELInterpreter(context);
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Assert.assertNotNull(interpreter);
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Assert.assertTrue(interpreter instanceof DefaultELInterpreter);
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context.removeAttribute(ELInterpreter.class.getName());
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context.setAttribute(ELInterpreter.class.getName(),
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SimpleELInterpreter.class.getName());
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interpreter = ELInterpreterFactory.getELInterpreter(context);
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Assert.assertNotNull(interpreter);
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Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
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context.removeAttribute(ELInterpreter.class.getName());
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SimpleELInterpreter simpleInterpreter = new SimpleELInterpreter();
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context.setAttribute(ELInterpreter.class.getName(), simpleInterpreter);
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interpreter = ELInterpreterFactory.getELInterpreter(context);
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Assert.assertNotNull(interpreter);
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Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
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Assert.assertTrue(interpreter == simpleInterpreter);
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context.removeAttribute(ELInterpreter.class.getName());
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ctx.stop();
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ctx.addApplicationListener(Bug54239Listener.class.getName());
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ctx.start();
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interpreter = ELInterpreterFactory.getELInterpreter(ctx.getServletContext());
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Assert.assertNotNull(interpreter);
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Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
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}
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public static class Bug54239Listener implements ServletContextListener {
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@Override
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public void contextInitialized(ServletContextEvent sce) {
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sce.getServletContext().setInitParameter(ELInterpreter.class.getName(),
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SimpleELInterpreter.class.getName());
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}
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@Override
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public void contextDestroyed(ServletContextEvent sce) {
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// NO-OP
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}
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}
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}
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