package com.atlassian.plugin.osgi.factory;
   
   import com.atlassian.plugin.IllegalPluginStateException;
   import com.atlassian.plugin.PluginArtifact;
   import com.atlassian.plugin.osgi.container.OsgiContainerManager;
   import com.atlassian.plugin.osgi.util.OsgiHeaderUtil;
   import org.osgi.framework.Bundle;
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
  
  import java.io.File;
  
  import static com.atlassian.plugin.osgi.factory.transform.JarUtils.getManifest;
  import static com.atlassian.plugin.osgi.factory.transform.JarUtils.hasManifestEntry;
  import static com.google.common.base.Preconditions.checkNotNull;
  
  /**
   * Helper class that implements the methods for an OSGi plugin that has not been installed.
   *
   * @since 2.2.0
   */
  final class OsgiPluginUninstalledHelper extends OsgiPluginNotInstalledHelperBase {
      private static final Logger log = LoggerFactory.getLogger(OsgiPluginUninstalledHelper.class);
  
      private final OsgiContainerManager osgiContainerManager;
      private final PluginArtifact pluginArtifact;
  
      public OsgiPluginUninstalledHelper(final String key, final OsgiContainerManager mgr, final PluginArtifact artifact) {
          super(key);
          this.pluginArtifact = checkNotNull(artifact);
          this.osgiContainerManager = checkNotNull(mgr);
      }
  
      public <T> Class<T> loadClass(final String clazz, final Class<?> callingClass) {
          throw new IllegalPluginStateException(getNotInstalledMessage() + " This is probably because the module " +
                  "descriptor is trying to load classes in its init() method. Move all classloading into the " +
                  "enabled() method, and be sure to properly drop class and instance references in disabled().");
      }
  
      public Bundle install() {
          final File osgiPlugin = pluginArtifact.toFile();
          log.debug("Installing OSGi plugin '{}'", osgiPlugin);
          final Bundle bundle = osgiContainerManager.installBundle(osgiPlugin, pluginArtifact.getReferenceMode());
          final String key = getKey();
          if (!OsgiHeaderUtil.getPluginKey(bundle).equals(key)) {
              throw new IllegalArgumentException("The plugin key '" + key + "' must either match the OSGi bundle symbolic " +
                      "name (Bundle-SymbolicName) or be specified in the Atlassian-Plugin-Key manifest header");
          }
          return bundle;
      }
  
      protected String getNotInstalledMessage() {
          return "This operation requires the plugin '" + getKey() + "' to be installed";
      }
  
      public boolean isRemotePlugin() {
          return hasManifestEntry(getManifest(pluginArtifact.toFile()), OsgiPlugin.REMOTE_PLUGIN_KEY);
      }
  }