/* Copyright 2004 The Apache Software Foundation | |
* | |
* 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 tools.util; | |
import java.io.File; | |
import java.net.URLClassLoader; | |
import java.net.URL; | |
import java.net.MalformedURLException; | |
import java.lang.reflect.Method; | |
import java.lang.reflect.InvocationTargetException; | |
public class TestRunUtil | |
{ | |
/** | |
* Runs method that must be declared "static void test()" on the given | |
* class, with the given additional jars or directories on the classpath. | |
*/ | |
public static void run(String classname, File[] classpath) throws Throwable | |
{ | |
// System.err.println("Running " + classname + " with classpath:"); | |
for (int i = 0; i < classpath.length; i++) | |
{ | |
// System.err.println(classpath[i]); | |
if (!classpath[i].exists()) | |
throw new IllegalArgumentException("Classpath component " + classpath + " cannot be found!"); | |
} | |
URL[] extracp = new URL[classpath.length]; | |
for (int i = 0; i < classpath.length; i++) | |
{ | |
try | |
{ | |
extracp[i] = classpath[i].toURL(); | |
} | |
catch (MalformedURLException e) | |
{ | |
throw new IllegalArgumentException("Malformed classpath filename"); | |
} | |
} | |
ClassLoader curcl = Thread.currentThread().getContextClassLoader(); | |
try | |
{ | |
ClassLoader childcl = new URLClassLoader(extracp); | |
Class javaClass = childcl.loadClass(classname); | |
Class testClass = childcl.loadClass("org.openuri.mytest.CustomerDocument"); | |
if (testClass == null) | |
throw new IllegalStateException(); | |
Method meth = javaClass.getMethod("test", new Class[0]); // should be static | |
Thread.currentThread().setContextClassLoader(childcl); | |
meth.invoke(null, new Object[0]); | |
} | |
catch (ClassNotFoundException e) | |
{ | |
throw new IllegalArgumentException("class not found"); | |
} | |
catch (NoSuchMethodException e) | |
{ | |
throw new IllegalArgumentException("no test() method found"); | |
} | |
catch (IllegalAccessException e) | |
{ | |
throw new IllegalArgumentException("could not invoke static public test method"); | |
} | |
catch (InvocationTargetException e) | |
{ | |
throw e.getCause(); | |
} | |
finally | |
{ | |
Thread.currentThread().setContextClassLoader(curcl); | |
} | |
} | |
} |