Package freenet.clients.fcp

Source Code of freenet.clients.fcp.GetPluginInfo

/* This code is part of Freenet. It is distributed under the GNU General
* Public License, version 2 (or at your option any later version). See
* http://www.gnu.org/ for further details of the GPL. */
package freenet.clients.fcp;

import freenet.node.Node;
import freenet.pluginmanager.PluginInfoWrapper;
import freenet.support.SimpleFieldSet;

/**
* can find a plugin that implements FredPluginFCP
*
*/
public class GetPluginInfo extends FCPMessage {

  static final String NAME = "GetPluginInfo";

  private final String identifier;
  private final boolean detailed;
  private final String plugname;

  public GetPluginInfo(SimpleFieldSet fs) throws MessageInvalidException {
    identifier = fs.get("Identifier");
    if(identifier == null)
      throw new MessageInvalidException(ProtocolErrorMessage.MISSING_FIELD, "GetPluginInfo must contain an Identifier field", null, false);
    plugname = fs.get("PluginName");
    if(plugname == null)
      throw new MessageInvalidException(ProtocolErrorMessage.MISSING_FIELD, "GetPluginInfo must contain a PluginName field", identifier, false);
    detailed = fs.getBoolean("Detailed", false);
  }

  @Override
  public SimpleFieldSet getFieldSet() {
    return new SimpleFieldSet(true);
  }

  @Override
  public String getName() {
    return NAME;
  }

  @Override
  public void run(FCPConnectionHandler handler, Node node)
      throws MessageInvalidException {
    if(detailed && !handler.hasFullAccess()) {
      throw new MessageInvalidException(ProtocolErrorMessage.ACCESS_DENIED, "GetPluginInfo detailed requires full access", identifier, false);
    }

    PluginInfoWrapper pi = node.pluginManager.getPluginInfo(plugname);
    if (pi == null) {
      handler.outputHandler.queue(new ProtocolErrorMessage(ProtocolErrorMessage.NO_SUCH_PLUGIN, false, "Plugin '"+ plugname + "' does not exist or is not a FCP plugin", identifier, false));
    } else {
      handler.outputHandler.queue(new PluginInfoMessage(pi, identifier, detailed));
    }
  }

}
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