mirror of
https://github.com/scm-manager/scm-manager.git
synced 2025-11-14 09:25:43 +01:00
f1b34eb502
* prepare license-maven-plugin for license migration * added license mapping for tsx files and added some more excludes * Changeover to MIT license * Fix build problems * Delete old remaining licenses * Add more exclude path for license checker * Rename included netbeans license, add exclude .m2/repository/ * Specify .m2 exclude because not only repository/, also wrapper/ must match * Add .cache/ exclude for license check * Modify formatting of license in java classes to comply with convention and IDE * Add IntelliJ documentation for license configuration * Update CHANGELOG.md * Exclude tmp/workspace/ dir for license check * Edit README.md Co-authored-by: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
674 lines
16 KiB
Java
674 lines
16 KiB
Java
/*
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* MIT License
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*
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* Copyright (c) 2020-present Cloudogu GmbH and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package sonia.scm.plugin;
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//~--- non-JDK imports --------------------------------------------------------
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableList.Builder;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Sets;
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import com.google.common.hash.Hashing;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import sonia.scm.lifecycle.classloading.ClassLoaderLifeCycle;
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import sonia.scm.plugin.ExplodedSmp.PathTransformer;
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import javax.xml.bind.JAXBContext;
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import javax.xml.bind.JAXBException;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.URL;
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import java.nio.file.DirectoryStream;
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import java.nio.file.DirectoryStream.Filter;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Predicate;
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import static java.util.stream.Collectors.toList;
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//~--- JDK imports ------------------------------------------------------------
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/**
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*
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* @author Sebastian Sdorra
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*
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* TODO don't mix nio and io
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*/
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@SuppressWarnings("squid:S3725") // performance is not critical, for this type of checks
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public final class PluginProcessor
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{
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/** Field description */
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private static final String INSTALLEDNAME_FORMAT = "%s.%03d";
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/** Field description */
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private static final String DIRECTORY_CLASSES = "classes";
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/** Field description */
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private static final String DIRECTORY_DEPENDENCIES = "lib";
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/** Field description */
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private static final String DIRECTORY_INSTALLED = ".installed";
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/** Field description */
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private static final String DIRECTORY_METAINF = "META-INF";
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/** Field description */
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private static final String DIRECTORY_WEBAPP = "webapp";
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/** Field description */
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private static final String EXTENSION_PLUGIN = ".smp";
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/** Field description */
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private static final String FORMAT_DATE = "yyyy-MM-dd";
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/** Field description */
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private static final String GLOB_JAR = "*.jar";
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/**
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* the logger for PluginProcessor
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*/
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private static final Logger logger =
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LoggerFactory.getLogger(PluginProcessor.class);
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//~--- constructors ---------------------------------------------------------
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private ClassLoaderLifeCycle classLoaderLifeCycle;
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/**
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* Constructs ...
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*
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*
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* @param classLoaderLifeCycle
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* @param pluginDirectory
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*/
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public PluginProcessor(ClassLoaderLifeCycle classLoaderLifeCycle, Path pluginDirectory)
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{
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this.classLoaderLifeCycle = classLoaderLifeCycle;
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this.pluginDirectory = pluginDirectory;
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this.installedDirectory = findInstalledDirectory();
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try
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{
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this.context = JAXBContext.newInstance(InstalledPluginDescriptor.class);
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}
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catch (JAXBException ex)
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{
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throw new PluginLoadException("could not create jaxb context", ex);
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}
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}
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @param directory
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* @param filter
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*
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* @return
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*
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* @throws IOException
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*/
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private static DirectoryStream<Path> stream(Path directory,
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Filter<Path> filter)
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throws IOException
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{
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return Files.newDirectoryStream(directory, filter);
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}
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/**
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* Method description
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*
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*
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* @param classLoader
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* @return
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*
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* @throws IOException
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*/
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public Set<InstalledPlugin> collectPlugins(ClassLoader classLoader)
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throws IOException
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{
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logger.info("collect plugins");
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Set<Path> archives = collect(pluginDirectory, new PluginArchiveFilter());
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logger.debug("extract {} archives", archives.size());
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extract(archives);
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List<Path> dirs =
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collectPluginDirectories(pluginDirectory)
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.stream()
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.filter(isPluginDirectory())
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.collect(toList());
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logger.debug("process {} directories: {}", dirs.size(), dirs);
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List<ExplodedSmp> smps = Lists.transform(dirs, new PathTransformer());
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logger.trace("start building plugin tree");
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PluginTree pluginTree = new PluginTree(smps);
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logger.info("install plugin tree:\n{}", pluginTree);
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List<PluginNode> leafLastNodes = pluginTree.getLeafLastNodes();
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logger.trace("create plugin wrappers and build classloaders");
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Set<InstalledPlugin> wrappers = createPluginWrappers(classLoader, leafLastNodes);
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logger.debug("collected {} plugins", wrappers.size());
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return ImmutableSet.copyOf(wrappers);
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}
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private Predicate<Path> isPluginDirectory() {
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return dir -> Files.exists(dir.resolve(DIRECTORY_METAINF).resolve("scm").resolve("plugin.xml"));
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}
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/**
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* Method description
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*
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*
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* @param plugins
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* @param classLoader
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* @param node
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*
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* @throws IOException
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*/
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private void appendPluginWrapper(Set<InstalledPlugin> plugins,
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ClassLoader classLoader, PluginNode node)
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throws IOException
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{
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if (node.getWrapper() != null) {
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return;
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}
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ExplodedSmp smp = node.getPlugin();
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List<ClassLoader> parents = Lists.newArrayList();
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for (PluginNode parent : node.getParents())
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{
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InstalledPlugin wrapper = parent.getWrapper();
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if (wrapper != null)
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{
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parents.add(wrapper.getClassLoader());
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}
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else
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{
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//J-
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throw new PluginLoadException(
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String.format(
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"parent %s of plugin %s is not ready", parent.getId(), node.getId()
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)
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);
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//J+
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}
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}
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InstalledPlugin plugin =
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createPlugin(createParentPluginClassLoader(classLoader, parents),
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smp);
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if (plugin != null)
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{
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node.setWrapper(plugin);
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plugins.add(plugin);
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}
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}
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/**
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* Method description
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*
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*
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* @param directory
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* @param filter
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*
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* @return
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*
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* @throws IOException
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*/
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private Set<Path> collect(Path directory, Filter<Path> filter)
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throws IOException
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{
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Set<Path> paths;
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try (DirectoryStream<Path> stream = stream(directory, filter))
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{
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paths = ImmutableSet.copyOf(stream);
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}
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return paths;
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}
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/**
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* Method description
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*
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*
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* @param directory
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*
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* @return
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*
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* @throws IOException
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*/
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private List<Path> collectPluginDirectories(Path directory) throws IOException
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{
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Builder<Path> paths = ImmutableList.builder();
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Filter<Path> filter = new DirectoryFilter();
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try (DirectoryStream<Path> parentStream = stream(directory, filter))
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{
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for (Path parent : parentStream)
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{
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paths.add(parent);
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}
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}
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return paths.build();
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}
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/**
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* Method description
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*
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*
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* @param parentClassLoader
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* @param smp
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*
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* @return
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*
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* @throws IOException
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*/
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private ClassLoader createClassLoader(ClassLoader parentClassLoader,
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ExplodedSmp smp)
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throws IOException
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{
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List<URL> urls = new ArrayList<>();
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Path directory = smp.getPath();
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Path metaDir = directory.resolve(DIRECTORY_METAINF);
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if (!Files.exists(metaDir))
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{
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throw new FileNotFoundException("could not find META-INF directory");
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}
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Path classesDir = directory.resolve(DIRECTORY_CLASSES);
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if (Files.exists(classesDir))
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{
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urls.add(classesDir.toUri().toURL());
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}
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Path libDir = directory.resolve(DIRECTORY_DEPENDENCIES);
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if (Files.exists(libDir))
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{
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try (DirectoryStream<Path> pathDirectoryStream = Files.newDirectoryStream(libDir, GLOB_JAR)) {
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for (Path f : pathDirectoryStream) {
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urls.add(f.toUri().toURL());
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}
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}
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}
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ClassLoader classLoader;
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URL[] urlArray = urls.toArray(new URL[urls.size()]);
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InstalledPluginDescriptor plugin = smp.getPlugin();
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String id = plugin.getInformation().getName(false);
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if (smp.getPlugin().isChildFirstClassLoader())
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{
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logger.debug("create child fist classloader for plugin {}", id);
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classLoader = classLoaderLifeCycle.createChildFirstPluginClassLoader(urlArray, parentClassLoader, id);
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}
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else
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{
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logger.debug("create parent fist classloader for plugin {}", id);
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classLoader = classLoaderLifeCycle.createPluginClassLoader(urlArray, parentClassLoader, id);
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}
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return classLoader;
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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private String createDate()
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{
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return new SimpleDateFormat(FORMAT_DATE).format(new Date());
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}
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/**
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* Method description
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*
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*
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* @param root
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* @param parents
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*
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* @return
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*/
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private ClassLoader createParentPluginClassLoader(ClassLoader root,
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List<ClassLoader> parents)
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{
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ClassLoader result;
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int size = parents.size();
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if (size == 0)
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{
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result = root;
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}
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else if (size == 1)
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{
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result = parents.get(0);
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}
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else
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{
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result = new MultiParentClassLoader(parents);
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}
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return result;
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}
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private InstalledPluginDescriptor createDescriptor(ClassLoader classLoader, Path descriptor) {
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ClassLoader ctxcl = Thread.currentThread().getContextClassLoader();
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Thread.currentThread().setContextClassLoader(classLoader);
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try {
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return (InstalledPluginDescriptor) context.createUnmarshaller().unmarshal(descriptor.toFile());
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} catch (JAXBException ex) {
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throw new PluginLoadException("could not load plugin desriptor ".concat(descriptor.toString()), ex);
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} finally {
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Thread.currentThread().setContextClassLoader(ctxcl);
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}
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}
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private InstalledPlugin createPlugin(ClassLoader classLoader, ExplodedSmp smp) throws IOException {
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InstalledPlugin plugin = null;
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Path directory = smp.getPath();
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Path descriptorPath = directory.resolve(PluginConstants.FILE_DESCRIPTOR);
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if (Files.exists(descriptorPath)) {
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boolean core = Files.exists(directory.resolve(PluginConstants.FILE_CORE));
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ClassLoader cl = createClassLoader(classLoader, smp);
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InstalledPluginDescriptor descriptor = createDescriptor(cl, descriptorPath);
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WebResourceLoader resourceLoader = createWebResourceLoader(directory);
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plugin = new InstalledPlugin(descriptor, cl, resourceLoader, directory, core);
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} else {
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logger.warn("found plugin directory without plugin descriptor");
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}
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return plugin;
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}
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/**
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* Method description
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*
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*
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*
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* @param classLoader
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* @param nodes
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*
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* @return
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*
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* @throws IOException
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*/
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private Set<InstalledPlugin> createPluginWrappers(ClassLoader classLoader,
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List<PluginNode> nodes)
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throws IOException
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{
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Set<InstalledPlugin> plugins = Sets.newHashSet();
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for (PluginNode node : nodes)
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{
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appendPluginWrapper(plugins, classLoader, node);
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}
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return plugins;
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}
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/**
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* Method description
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*
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*
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* @param directory
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*
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* @return
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*/
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private WebResourceLoader createWebResourceLoader(Path directory)
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{
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WebResourceLoader resourceLoader;
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Path webapp = directory.resolve(DIRECTORY_WEBAPP);
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if (Files.exists(webapp))
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{
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logger.debug("create WebResourceLoader for path {}", webapp);
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resourceLoader = new PathWebResourceLoader(webapp);
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}
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else
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{
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logger.debug("create empty WebResourceLoader");
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resourceLoader = new EmptyWebResourceLoader();
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}
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return resourceLoader;
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}
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/**
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* Method description
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*
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*
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* @param archives
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*
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* @throws IOException
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*/
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private void extract(Iterable<Path> archives) throws IOException
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{
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logger.debug("extract archives");
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for (Path archive : archives)
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{
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File archiveFile = archive.toFile();
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logger.trace("extract archive {}", archive);
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SmpArchive smp = SmpArchive.create(archive);
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logger.debug("extract plugin {}", smp.getPlugin());
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File directory =
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PluginsInternal.createPluginDirectory(pluginDirectory.toFile(),
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smp.getPlugin());
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String checksum = com.google.common.io.Files.hash(archiveFile,
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Hashing.sha256()).toString();
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File checksumFile = PluginsInternal.getChecksumFile(directory);
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PluginsInternal.extract(smp, checksum, directory, checksumFile, false);
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moveArchive(archive);
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}
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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private Path findInstalledDirectory()
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{
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Path directory = null;
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Path installed = pluginDirectory.resolve(DIRECTORY_INSTALLED);
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Path date = installed.resolve(createDate());
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for (int i = 0; i < 999; i++)
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{
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Path dir = date.resolve(String.format("%03d", i));
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if (!Files.exists(dir))
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{
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directory = dir;
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break;
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}
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}
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if (directory == null)
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{
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throw new PluginException("could not find installed directory");
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}
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return directory;
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}
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/**
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* Method description
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*
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*
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* @param archive
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*
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* @throws IOException
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*/
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private void moveArchive(Path archive) throws IOException
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{
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if (!Files.exists(installedDirectory))
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{
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logger.debug("create installed directory {}", installedDirectory);
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Files.createDirectories(installedDirectory);
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}
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Path installed = null;
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for (int i = 0; i < 1000; i++)
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{
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String name = String.format(INSTALLEDNAME_FORMAT, archive.getFileName(), i);
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installed = installedDirectory.resolve(name);
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if (!Files.exists(installed))
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{
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break;
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}
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}
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logger.debug("move installed archive to {}", installed);
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Files.move(archive, installed);
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}
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//~--- inner classes --------------------------------------------------------
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|
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/**
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* Class description
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*
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*
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* @version Enter version here..., 14/06/04
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* @author Enter your name here...
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*/
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private static class DirectoryFilter implements DirectoryStream.Filter<Path>
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{
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/**
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* Method description
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*
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*
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* @param entry
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|
*
|
|
* @return
|
|
*
|
|
* @throws IOException
|
|
*/
|
|
@Override
|
|
public boolean accept(Path entry) throws IOException
|
|
{
|
|
return Files.isDirectory(entry)
|
|
&&!entry.getFileName().toString().startsWith(".");
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Class description
|
|
*
|
|
*
|
|
* @version Enter version here..., 14/06/04
|
|
* @author Enter your name here...
|
|
*/
|
|
private static class PluginArchiveFilter
|
|
implements DirectoryStream.Filter<Path>
|
|
{
|
|
|
|
/**
|
|
* Method description
|
|
*
|
|
*
|
|
* @param entry
|
|
*
|
|
* @return
|
|
*
|
|
* @throws IOException
|
|
*/
|
|
@Override
|
|
public boolean accept(Path entry) throws IOException
|
|
{
|
|
return Files.isRegularFile(entry)
|
|
&& entry.getFileName().toString().endsWith(EXTENSION_PLUGIN);
|
|
}
|
|
}
|
|
|
|
|
|
//~--- fields ---------------------------------------------------------------
|
|
|
|
/** Field description */
|
|
private final JAXBContext context;
|
|
|
|
/** Field description */
|
|
private final Path installedDirectory;
|
|
|
|
/** Field description */
|
|
private final Path pluginDirectory;
|
|
}
|