+/*
+ * Sone - FcpInterface.java - Copyright © 2011 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.fcp;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import net.pterodactylus.sone.core.Core;
+import net.pterodactylus.sone.freenet.fcp.Command;
+import net.pterodactylus.sone.freenet.fcp.FcpException;
+import net.pterodactylus.sone.freenet.fcp.Command.AccessType;
+import net.pterodactylus.sone.freenet.fcp.Command.Reply;
+import freenet.pluginmanager.FredPluginFCP;
+import freenet.pluginmanager.PluginNotFoundException;
+import freenet.pluginmanager.PluginReplySender;
+import freenet.support.SimpleFieldSet;
+import freenet.support.api.Bucket;
+
+/**
+ * Implementation of an FCP interface for other clients or plugins to
+ * communicate with Sone.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class FcpInterface {
+
+ /** All available FCP commands. */
+ private final Map<String, Command> commands = Collections.synchronizedMap(new HashMap<String, Command>());
+
+ /**
+ * Creates a new FCP interface.
+ *
+ * @param core
+ * The core
+ */
+ public FcpInterface(Core core) {
+ commands.put("Version", new VersionCommand());
+ commands.put("GetPostFeed", new GetPostFeedCommand(core));
+ }
+
+ /**
+ * Handles a plugin FCP request.
+ *
+ * @param pluginReplySender
+ * The reply sender
+ * @param parameters
+ * The message parameters
+ * @param data
+ * The message data (may be {@code null})
+ * @param accessType
+ * One of {@link FredPluginFCP#ACCESS_DIRECT},
+ * {@link FredPluginFCP#ACCESS_FCP_FULL},
+ * {@link FredPluginFCP#ACCESS_FCP_RESTRICTED}
+ */
+ public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
+ Command command = commands.get(parameters.get("Message"));
+ if (command == null) {
+ /* TODO - return error? */
+ return;
+ }
+ String identifier = parameters.get("Identifier");
+ if ((identifier == null) || (identifier.length() == 0)) {
+ /* TODO - return error? */
+ return;
+ }
+ try {
+ Reply reply = command.execute(parameters, data, AccessType.values()[accessType]);
+ SimpleFieldSet replyParameters = reply.getReplyParameters();
+ replyParameters.putOverwrite("Identifier", identifier);
+ if (reply.hasData()) {
+ pluginReplySender.send(replyParameters, reply.getData());
+ } else if (reply.hasBucket()) {
+ pluginReplySender.send(replyParameters, reply.getBucket());
+ } else {
+ pluginReplySender.send(replyParameters);
+ }
+ } catch (FcpException fe1) {
+ /* TODO - log, report */
+ } catch (PluginNotFoundException pnfe1) {
+ /* TODO - log */
+ }
+ }
+
+}