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
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