001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.server.plugins;
021
022import com.google.common.collect.Sets;
023import org.slf4j.LoggerFactory;
024import org.sonar.api.Plugin;
025import org.sonar.api.Properties;
026import org.sonar.api.Property;
027import org.sonar.api.platform.PluginMetadata;
028import org.sonar.api.platform.ServerPluginRepository;
029import org.sonar.core.plugins.PluginClassloaders;
030
031import java.util.Collection;
032import java.util.Map;
033import java.util.Set;
034
035/**
036 * @since 2.2
037 */
038public class DefaultServerPluginRepository implements ServerPluginRepository {
039
040  private PluginClassloaders classloaders;
041  private PluginDeployer deployer;
042  private Map<String, Plugin> pluginsByKey;
043  private Set<String> disabledPlugins = Sets.newHashSet();
044
045  public DefaultServerPluginRepository(PluginDeployer deployer) {
046    this.classloaders = new PluginClassloaders(getClass().getClassLoader());
047    this.deployer = deployer;
048  }
049
050  public void start() {
051    Collection<PluginMetadata> metadata = deployer.getMetadata();
052    pluginsByKey = classloaders.init(metadata);
053  }
054
055  public void stop() {
056    if (classloaders != null) {
057      classloaders.clean();
058      classloaders = null;
059    }
060  }
061
062  public void disable(String pluginKey) {
063    disabledPlugins.add(pluginKey);
064    for (PluginMetadata metadata : getMetadata()) {
065      if (pluginKey.equals(metadata.getBasePlugin())) {
066        disable(metadata.getKey());
067      }
068    }
069  }
070
071  public boolean isDisabled(String pluginKey) {
072    return disabledPlugins.contains(pluginKey);
073  }
074
075  public Collection<Plugin> getPlugins() {
076    return pluginsByKey.values();
077  }
078
079  public Plugin getPlugin(String key) {
080    return pluginsByKey.get(key);
081  }
082
083  public ClassLoader getClassLoader(String pluginKey) {
084    return classloaders.get(pluginKey);
085  }
086
087  public Class getClass(String pluginKey, String classname) {
088    Class clazz = null;
089    ClassLoader classloader = getClassLoader(pluginKey);
090    if (classloader != null) {
091      try {
092        clazz = classloader.loadClass(classname);
093
094      } catch (ClassNotFoundException e) {
095        LoggerFactory.getLogger(getClass()).warn("Class not found in plugin " + pluginKey + ": " + classname, e);
096      }
097    }
098    return clazz;
099  }
100
101
102  public Property[] getProperties(Plugin plugin) {
103    if (plugin != null) {
104      Class<? extends Plugin> classInstance = plugin.getClass();
105      if (classInstance.isAnnotationPresent(Properties.class)) {
106        return classInstance.getAnnotation(Properties.class).value();
107      }
108    }
109    return new Property[0];
110  }
111
112  public Collection<PluginMetadata> getMetadata() {
113    return deployer.getMetadata();
114  }
115
116  public PluginMetadata getMetadata(String pluginKey) {
117    return deployer.getMetadata(pluginKey);
118  }
119
120}