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 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test
 * @author Sean Mullan
 * @bug 6461674 8009217
 * @compile -XDignore.symbol.file ClassLoaderTest.java MyTransform.java
 * @run main ClassLoaderTest
 * @summary Ensure Transform.register works with transform implementations
 *   loaded by class loader other than system/boot class loader
 */
import java.io.File;
import java.lang.reflect.Constructor;
import java.net.URL;
import java.net.URLClassLoader;
import com.sun.org.apache.xml.internal.security.exceptions.AlgorithmAlreadyRegisteredException;
import com.sun.org.apache.xml.internal.security.transforms.Transform;

public class ClassLoaderTest {

    private final static String BASE = System.getProperty("test.src", "./");

    public static void main(String[] args) throws Exception {

        File file = new File(BASE);
        URL[] urls = new URL[1];
        urls[0] = file.toURI().toURL();
        URLClassLoader ucl = new URLClassLoader(urls);
        Class<?> c = ucl.loadClass("MyTransform");
        Constructor<?> cons = c.getConstructor(new Class[] {});
        Object o = cons.newInstance();
        // Apache code swallows the ClassNotFoundExc, so we need to
        // check if the Transform has already been registered by registering
        // it again and catching an AlgorithmAlreadyRegisteredExc
        try {
            Transform.register(MyTransform.URI, "MyTransform");
            throw new Exception("ClassLoaderTest failed");
        } catch (AlgorithmAlreadyRegisteredException e) {
            // test passed
        }
    }
}