Author: markt Date: Mon Jul 8 12:26:08 2013 New Revision: 1500690 URL: http://svn.apache.org/r1500690 Log: Add a unit test for ImportHandler and fix some bugs it idenfifed: - missing i18n message - importing a package that is not referenced elsewhere failed - ambiguous imports where not detected
Added: tomcat/trunk/test/javax/el/TestImportHandler.java (with props) Modified: tomcat/trunk/java/javax/el/ImportHandler.java tomcat/trunk/java/javax/el/LocalStrings.properties Modified: tomcat/trunk/java/javax/el/ImportHandler.java URL: http://svn.apache.org/viewvc/tomcat/trunk/java/javax/el/ImportHandler.java?rev=1500690&r1=1500689&r2=1500690&view=diff ============================================================================== --- tomcat/trunk/java/javax/el/ImportHandler.java (original) +++ tomcat/trunk/java/javax/el/ImportHandler.java Mon Jul 8 12:26:08 2013 @@ -19,6 +19,7 @@ package javax.el; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.lang.reflect.Modifier; +import java.net.URL; import java.util.ArrayList; import java.util.HashMap; import java.util.List; @@ -112,8 +113,15 @@ public class ImportHandler { // Import ambiguity is handled at resolution, not at import Package p = Package.getPackage(name); if (p == null) { - throw new IllegalArgumentException(Util.message( - null, "importHandler.invalidPackage", name)); + // Either the package does not exist or no class has been loaded + // from that package. Check if the package exists. + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + String path = name.replace('.', '/'); + URL url = cl.getResource(path); + if (url == null) { + throw new ELException(Util.message( + null, "importHandler.invalidPackage", name)); + } } packages.add(name); } @@ -123,13 +131,11 @@ public class ImportHandler { Class<?> result = clazzes.get(name); if (result == null) { - // Search the package imports + // Search the package imports - note there may be multiple matches + // (which correctly triggers an error) for (String p : packages) { String className = p + '.' + name; result = findClass(className); - if (result != null) { - break; - } } } Modified: tomcat/trunk/java/javax/el/LocalStrings.properties URL: http://svn.apache.org/viewvc/tomcat/trunk/java/javax/el/LocalStrings.properties?rev=1500690&r1=1500689&r2=1500690&view=diff ============================================================================== --- tomcat/trunk/java/javax/el/LocalStrings.properties (original) +++ tomcat/trunk/java/javax/el/LocalStrings.properties Mon Jul 8 12:26:08 2013 @@ -37,6 +37,7 @@ importHandler.classNotFound=The class [{ importHandler.invalidClass=The class [{0}] must be public, non-abstract and not an interface importHandler.invalidClassName=Name of class to import [{0}] must include a package importHandler.invalidClassNameForStatic=The class [{0}] specified for static import [{1}] is not valid +importHandler.invalidPackage=The package [{0}] could not be found importHandler.invalidStaticName=Name of static method or field to import [{0}] must include a class importHandler.staticNotFound=The static import [{0}] could not be found in class [{1}] for import [{2}] Added: tomcat/trunk/test/javax/el/TestImportHandler.java URL: http://svn.apache.org/viewvc/tomcat/trunk/test/javax/el/TestImportHandler.java?rev=1500690&view=auto ============================================================================== --- tomcat/trunk/test/javax/el/TestImportHandler.java (added) +++ tomcat/trunk/test/javax/el/TestImportHandler.java Mon Jul 8 12:26:08 2013 @@ -0,0 +1,113 @@ +/* + * 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 javax.el; + +import org.junit.Assert; +import org.junit.Test; + +import org.apache.tomcat.util.res.StringManager; + +public class TestImportHandler { + + /** + * java.lang should be imported by default + */ + @Test + public void testResolveClass01() { + ImportHandler handler = new ImportHandler(); + + Class<?> result = handler.resolveClass("String"); + + Assert.assertEquals(String.class, result); + } + + + /** + * Resolve an unknown class + */ + @Test + public void testResolveClass02() { + ImportHandler handler = new ImportHandler(); + + Class<?> result = handler.resolveClass("Foo"); + + Assert.assertNull(result); + } + + + /** + * Conflict on resolution. + */ + @Test(expected=ELException.class) + public void testResolveClass03() { + ImportHandler handler = new ImportHandler(); + + handler.importPackage("org.apache.tomcat.util"); + handler.importPackage("org.apache.jasper.util"); + + handler.resolveClass("ExceptionUtils"); + } + + + /** + * Import a valid class. + */ + @Test + public void testImportClass01() { + ImportHandler handler = new ImportHandler(); + + handler.importClass("org.apache.tomcat.util.res.StringManager"); + + Class<?> result = handler.resolveClass("StringManager"); + + Assert.assertEquals(StringManager.class, result); + } + + + /** + * Import an invalid class. + */ + @Test(expected=ELException.class) + public void testImportClass02() { + ImportHandler handler = new ImportHandler(); + + handler.importClass("org.apache.tomcat.util.res.StringManagerX"); + } + + + /** + * Import conflicting classes + */ + @Test(expected=ELException.class) + public void testImportClass03() { + ImportHandler handler = new ImportHandler(); + + handler.importClass("org.apache.tomcat.util.ExceptionUtils"); + handler.importClass("org.apache.jasper.util.ExceptionUtils"); + } + + + /** + * Import an invalid [ackage. + */ + @Test(expected=ELException.class) + public void testImportPackage01() { + ImportHandler handler = new ImportHandler(); + + handler.importPackage("org.apache.tomcat.foo"); + } +} Propchange: tomcat/trunk/test/javax/el/TestImportHandler.java ------------------------------------------------------------------------------ svn:eol-style = native --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org