| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed 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 libcore.java.net; |
| |
| import java.lang.reflect.Field; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.net.URLStreamHandler; |
| import java.net.URLStreamHandlerFactory; |
| import junit.framework.TestCase; |
| import libcore.java.net.customstreamhandler.http.Handler; |
| |
| public final class URLStreamHandlerFactoryTest extends TestCase { |
| private URLStreamHandlerFactory oldFactory; |
| private Field factoryField; |
| private boolean isCreateURLStreamHandlerCalled; |
| |
| public void setUp() throws IllegalAccessException { |
| for (Field field : URL.class.getDeclaredFields()) { |
| if (URLStreamHandlerFactory.class.equals(field.getType())) { |
| assertNull("URL declares multiple URLStreamHandlerFactory fields", factoryField); |
| factoryField = field; |
| factoryField.setAccessible(true); |
| oldFactory = (URLStreamHandlerFactory) factoryField.get(null); |
| return; |
| } |
| } |
| |
| fail("URL does not declare a URLStreamHandlerFactory field"); |
| } |
| |
| public void tearDown() throws IllegalAccessException { |
| factoryField.set(null, null); |
| URL.setURLStreamHandlerFactory(oldFactory); |
| } |
| |
| public void testCreateURLStreamHandler() throws Exception { |
| TestURLStreamHandlerFactory shf = new TestURLStreamHandlerFactory(); |
| assertFalse(isCreateURLStreamHandlerCalled); |
| |
| URL.setURLStreamHandlerFactory(shf); |
| URL url = new URL("http://android.com/"); |
| |
| URLConnection connection = url.openConnection(); |
| assertTrue(connection instanceof Handler.HandlerURLConnection); |
| |
| try { |
| URL.setURLStreamHandlerFactory(shf); |
| fail(); |
| } catch (Error expected) { |
| } |
| |
| try { |
| URL.setURLStreamHandlerFactory(null); |
| fail(); |
| } catch (Error expected) { |
| } |
| } |
| |
| public void testInstallCustomProtocolHandler() throws Exception { |
| // clear cached protocol handlers if they exist |
| factoryField.set(null, null); |
| URL.setURLStreamHandlerFactory(oldFactory); |
| |
| try { |
| System.setProperty("java.protocol.handler.pkgs", getHandlerPackageName()); |
| URLConnection connection = new URL("http://android.com/").openConnection(); |
| assertTrue(connection instanceof Handler.HandlerURLConnection); |
| } finally { |
| System.clearProperty("java.protocol.handler.pkgs"); |
| } |
| } |
| |
| public void testFirstUseIsCached() throws Exception { |
| // clear cached protocol handlers if they exist |
| factoryField.set(null, null); |
| URL.setURLStreamHandlerFactory(oldFactory); |
| |
| // creating a connection should use the platform's default stream handler |
| URLConnection connection1 = new URL("http://android.com/").openConnection(); |
| assertFalse(connection1 instanceof Handler.HandlerURLConnection); |
| |
| try { |
| // set the property and get another connection. The property should not be honored |
| System.setProperty("java.protocol.handler.pkgs", getHandlerPackageName()); |
| URLConnection connection2 = new URL("http://android.com/").openConnection(); |
| assertFalse(connection2 instanceof Handler.HandlerURLConnection); |
| } finally { |
| System.clearProperty("java.protocol.handler.pkgs"); |
| } |
| } |
| |
| private String getHandlerPackageName() { |
| String className = Handler.class.getName(); |
| return className.substring(0, className.indexOf(".http.Handler")); |
| } |
| |
| class TestURLStreamHandlerFactory implements URLStreamHandlerFactory { |
| @Override public URLStreamHandler createURLStreamHandler(String protocol) { |
| isCreateURLStreamHandlerCalled = true; |
| return new Handler(); |
| } |
| } |
| } |