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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package com.sun.star.lib.unoloader;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
/**
* A helper class for executing UNO JARs.
*
* <p><em>This class is not yet stable.</em></p>
*
* @since UDK 3.2.0
*/
public final class UnoLoader {
/**
* Executes a UNO JAR.
*
* @param base a base URL relative to which the URE JARs
* (<code>ridl.jar</code>, etc.) can be found; must
* not be <code>null</code>.
*
* @param jar the URL of a UNO JAR that specifies a Main-Class; must not be
* <code>null</code>.
*
* @param arguments any arguments passed to the <code>main</code> method of
* the specified Main-Class of the given JAR <code>jar</code>; must not be
* <code>null</code>.
*
* @throws IOException if the given <code>base</code> URL is malformed, or
* if there are any problems processing the given JAR <code>jar</code>.
*
* @throws ClassNotFoundException if the given JAR <code>jar</code> does not
* specify a Main-Class, or if the specified Main-Class cannot be found.
*
* @throws NoSuchMethodException if the specified Main-Class of the given
* JAR <code>jar</code> does not have an appropriate <code>main</code>
* method.
*
* @throws InvocationTargetException if an exception occurs while executing
* the <code>main</code> method of the specified Main-Class of the given JAR
* <code>jar</code>.
*/
public static void execute(final URL base, URL jar, String[] arguments)
throws IOException, ClassNotFoundException, NoSuchMethodException,
InvocationTargetException
{
UnoClassLoader cl;
try {
cl = (UnoClassLoader) AccessController.doPrivileged(
new PrivilegedExceptionAction<Object>() {
public Object run() throws MalformedURLException {
return new UnoClassLoader(
base, null, UnoLoader.class.getClassLoader());
}
});
} catch (PrivilegedActionException e) {
throw (MalformedURLException) e.getException();
}
cl.execute(jar, arguments);
}
private UnoLoader() {}
}
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