Files
SCM-Manager/scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java
2019-08-20 14:43:48 +02:00

126 lines
4.2 KiB
Java

/**
* Copyright (c) 2010, Sebastian Sdorra
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of SCM-Manager; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://bitbucket.org/sdorra/scm-manager
*
*/
package sonia.scm.plugin;
//~--- non-JDK imports --------------------------------------------------------
import com.google.common.collect.ImmutableList;
import com.google.inject.Singleton;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.NotFoundException;
//~--- JDK imports ------------------------------------------------------------
import javax.inject.Inject;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import static sonia.scm.ContextEntry.ContextBuilder.entity;
/**
*
* @author Sebastian Sdorra
*/
@Singleton
public class DefaultPluginManager implements PluginManager {
private static final Logger LOG = LoggerFactory.getLogger(DefaultPluginManager.class);
private final PluginLoader loader;
private final PluginCenter center;
private final PluginInstaller installer;
@Inject
public DefaultPluginManager(PluginLoader loader, PluginCenter center, PluginInstaller installer) {
this.loader = loader;
this.center = center;
this.installer = installer;
}
@Override
public Optional<AvailablePlugin> getAvailable(String name) {
return center.getAvailable()
.stream()
.filter(filterByName(name))
.filter(this::isNotInstalled)
.findFirst();
}
@Override
public Optional<InstalledPlugin> getInstalled(String name) {
return loader.getInstalledPlugins()
.stream()
.filter(filterByName(name))
.findFirst();
}
@Override
public List<InstalledPlugin> getInstalled() {
return ImmutableList.copyOf(loader.getInstalledPlugins());
}
@Override
public List<AvailablePlugin> getAvailable() {
return center.getAvailable().stream().filter(this::isNotInstalled).collect(Collectors.toList());
}
private <T extends Plugin> Predicate<T> filterByName(String name) {
return (plugin) -> name.equals(plugin.getDescriptor().getInformation().getName());
}
private boolean isNotInstalled(AvailablePlugin availablePlugin) {
return !getInstalled(availablePlugin.getDescriptor().getInformation().getName()).isPresent();
}
@Override
public void install(String name) {
if (getInstalled(name).isPresent()){
LOG.info("plugin {} is already installed, skipping installation", name);
return;
}
AvailablePlugin plugin = getAvailable(name).orElseThrow(() -> NotFoundException.notFound(entity(AvailablePlugin.class, name)));
Set<String> dependencies = plugin.getDescriptor().getDependencies();
if (dependencies != null) {
for (String dependency: dependencies){
install(dependency);
}
}
installer.install(plugin);
}
}