/*
* Copyright (C) 2009 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 tests.support;
import java.net.URL;
import java.net.URLClassLoader;
import dalvik.system.PathClassLoader;
/**
* Support class for creating a file-based ClassLoader. Delegates to either
* Dalvik's PathClassLoader or the RI's URLClassLoader, but does so by-name.
* This allows us to run corresponding tests in both environments.
*/
public abstract class Support_ClassLoader {
public abstract ClassLoader getClassLoader(URL url, ClassLoader parent);
public static ClassLoader getInstance(URL url, ClassLoader parent) {
try {
Support_ClassLoader factory;
if ("Dalvik".equals(System.getProperty("java.vm.name"))) {
factory = (Support_ClassLoader)Class.forName(
"tests.support.Support_ClassLoader$Dalvik").newInstance();
} else {
factory = (Support_ClassLoader)Class.forName(
"tests.support.Support_ClassLoader$RefImpl").newInstance();
}
return factory.getClassLoader(url, parent);
} catch (Exception ex) {
throw new RuntimeException("Unable to create ClassLoader", ex);
}
}
static class Dalvik extends Support_ClassLoader {
public ClassLoader getClassLoader(URL url, ClassLoader parent) {
return new PathClassLoader(url.getPath(), parent);
}
}
static class RefImpl extends Support_ClassLoader {
public ClassLoader getClassLoader(URL url, ClassLoader parent) {
return new URLClassLoader(new URL[] { url }, parent);
}
}
}
|