Examples with JarClassLoader org.bimserver.plugins.classloaders.JarClassLoader used on opensource projects

Example 1 with JarClassLoader

use of org.bimserver.plugins.classloaders.JarClassLoader in project BIMserver by opensourceBIM.

the class PluginManager method loadPluginsFromJar.

public PluginBundle loadPluginsFromJar(PluginBundleVersionIdentifier pluginBundleVersionIdentifier, Path file, SPluginBundle sPluginBundle, SPluginBundleVersion pluginBundleVersion, ClassLoader parentClassLoader) throws PluginException {
    PluginBundleIdentifier pluginBundleIdentifier = pluginBundleVersionIdentifier.getPluginBundleIdentifier();
    if (pluginBundleIdentifierToPluginBundle.containsKey(pluginBundleIdentifier)) {
        throw new PluginException("Plugin " + pluginBundleIdentifier.getHumanReadable() + " already loaded (version " + pluginBundleIdentifierToPluginBundle.get(pluginBundleIdentifier).getPluginBundleVersion().getVersion() + ")");
    }
    LOGGER.debug("Loading plugins from " + file.toString());
    if (!Files.exists(file)) {
        throw new PluginException("Not a file: " + file.toString());
    }
    FileJarClassLoader jarClassLoader = null;
    try {
        jarClassLoader = new FileJarClassLoader(this, parentClassLoader, file);
        jarClassLoaders.add(jarClassLoader);
        final JarClassLoader finalLoader = jarClassLoader;
        InputStream pluginStream = jarClassLoader.getResourceAsStream("plugin/plugin.xml");
        if (pluginStream == null) {
            jarClassLoader.close();
            throw new PluginException("No plugin/plugin.xml found in " + file.getFileName().toString());
        }
        PluginDescriptor pluginDescriptor = getPluginDescriptor(pluginStream);
        if (pluginDescriptor == null) {
            jarClassLoader.close();
            throw new PluginException("No plugin descriptor could be created");
        }
        LOGGER.debug(pluginDescriptor.toString());
        URI fileUri = file.toAbsolutePath().toUri();
        URI jarUri = new URI("jar:" + fileUri.toString());
        ResourceLoader resourceLoader = new ResourceLoader() {

            @Override
            public InputStream load(String name) {
                return finalLoader.getResourceAsStream(name);
            }
        };
        return loadPlugins(pluginBundleVersionIdentifier, resourceLoader, jarClassLoader, jarUri, file.toAbsolutePath().toString(), pluginDescriptor, PluginSourceType.JAR_FILE, new HashSet<org.bimserver.plugins.Dependency>(), sPluginBundle, pluginBundleVersion);
    } catch (Exception e) {
        if (jarClassLoader != null) {
            try {
                jarClassLoader.close();
            } catch (IOException e1) {
                LOGGER.error("", e1);
            }
        }
        throw new PluginException(e);
    }
}