diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java')
-rw-r--r-- | ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java b/ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java new file mode 100644 index 000000000..e7679da16 --- /dev/null +++ b/ridljar/com/sun/star/comp/loader/RegistrationClassFinder.java @@ -0,0 +1,69 @@ +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * 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.comp.loader; + +import com.sun.star.lib.unoloader.UnoClassLoader; +import com.sun.star.lib.util.WeakMap; +import java.io.IOException; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.jar.Attributes; + +final class RegistrationClassFinder { + public static Class<?> find(String locationUrl) + throws ClassNotFoundException, IOException + { + synchronized (map) { + Class<?> c = (Class<?>) WeakMap.getValue(map.get(locationUrl)); + if (c != null) { + return c; + } + } + URL url = new URL(locationUrl); + Attributes attr = UnoClassLoader.getJarMainAttributes(url); + String name = attr == null + ? null : attr.getValue("RegistrationClassName"); + if (name == null) { + return null; + } + ClassLoader cl1 = RegistrationClassFinder.class.getClassLoader(); + ClassLoader cl2; + if (cl1 instanceof UnoClassLoader) { + cl2 = ((UnoClassLoader) cl1).getClassLoader(url, attr); + } else { + cl2 = URLClassLoader.newInstance(new URL[] { url }, cl1); + } + Class<?> c = cl2.loadClass(name); + synchronized (map) { + Class<?> c2 = (Class<?>) WeakMap.getValue(map.get(locationUrl)); + if (c2 != null) { + return c2; + } + map.put(locationUrl, c); + } + return c; + } + + private RegistrationClassFinder() {} // do not instantiate + + private static final WeakMap map = new WeakMap(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |