From 1a1ee191a57a6fc9e676b47ef068bd1f0403a1bc Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@freenetproject.org>
Date: Wed, 10 Jun 2009 23:31:51 +0200
Subject: [PATCH] Add sendPluginMessage() method.

---
 src/net/pterodactylus/fcp/highlevel/FcpClient.java | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/src/net/pterodactylus/fcp/highlevel/FcpClient.java b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
index 6d9e11a..8a7a90d 100644
--- a/src/net/pterodactylus/fcp/highlevel/FcpClient.java
+++ b/src/net/pterodactylus/fcp/highlevel/FcpClient.java
@@ -20,6 +20,7 @@
 package net.pterodactylus.fcp.highlevel;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.net.InetAddress;
 import java.net.URL;
 import java.net.UnknownHostException;
@@ -29,6 +30,7 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.Map.Entry;
 import java.util.concurrent.CountDownLatch;
 
 import net.pterodactylus.fcp.AddPeer;
@@ -38,6 +40,8 @@ import net.pterodactylus.fcp.DataFound;
 import net.pterodactylus.fcp.EndListPeerNotes;
 import net.pterodactylus.fcp.EndListPeers;
 import net.pterodactylus.fcp.EndListPersistentRequests;
+import net.pterodactylus.fcp.FCPPluginMessage;
+import net.pterodactylus.fcp.FCPPluginReply;
 import net.pterodactylus.fcp.FcpAdapter;
 import net.pterodactylus.fcp.FcpConnection;
 import net.pterodactylus.fcp.FcpListener;
@@ -807,6 +811,80 @@ public class FcpClient {
 		return requests.values();
 	}
 
+	/**
+	 * Sends a message to a plugin and waits for the response.
+	 *
+	 * @param pluginClass
+	 *            The name of the plugin class
+	 * @param parameters
+	 *            The parameters for the plugin
+	 * @return The responses from the plugin
+	 * @throws FcpException
+	 *             if an FCP error occurs
+	 * @throws IOException
+	 *             if an I/O error occurs
+	 */
+	public Map<String, String> sendPluginMessage(String pluginClass, Map<String, String> parameters) throws IOException, FcpException {
+		return sendPluginMessage(pluginClass, parameters, 0, null);
+	}
+
+	/**
+	 * Sends a message to a plugin and waits for the response.
+	 *
+	 * @param pluginClass
+	 *            The name of the plugin class
+	 * @param parameters
+	 *            The parameters for the plugin
+	 * @param dataLength
+	 *            The length of the optional data stream, or {@code 0} if there
+	 *            is no optional data stream
+	 * @param dataInputStream
+	 *            The input stream for the payload, or {@code null} if there is
+	 *            no payload
+	 * @return The responses from the plugin
+	 * @throws FcpException
+	 *             if an FCP error occurs
+	 * @throws IOException
+	 *             if an I/O error occurs
+	 */
+	public Map<String, String> sendPluginMessage(final String pluginClass, final Map<String, String> parameters, final long dataLength, final InputStream dataInputStream) throws IOException, FcpException {
+		final Map<String, String> pluginReplies = Collections.synchronizedMap(new HashMap<String, String>());
+		new ExtendedFcpAdapter() {
+
+			@SuppressWarnings("synthetic-access")
+			private final String identifier = createIdentifier("FCPPluginMessage");
+
+			@Override
+			@SuppressWarnings("synthetic-access")
+			public void run() throws IOException {
+				FCPPluginMessage fcpPluginMessage = new FCPPluginMessage(pluginClass);
+				for (Entry<String, String> parameter : parameters.entrySet()) {
+					fcpPluginMessage.setParameter(parameter.getKey(), parameter.getValue());
+				}
+				fcpPluginMessage.setIdentifier(identifier);
+				if ((dataLength > 0) && (dataInputStream != null)) {
+					fcpPluginMessage.setDataLength(dataLength);
+					fcpPluginMessage.setPayloadInputStream(dataInputStream);
+				}
+				fcpConnection.sendMessage(fcpPluginMessage);
+			}
+
+			/**
+			 * {@inheritDoc}
+			 */
+			@Override
+			public void receivedFCPPluginReply(FcpConnection fcpConnection, FCPPluginReply fcpPluginReply) {
+				if (!fcpPluginReply.getIdentifier().equals(identifier)) {
+					return;
+				}
+				pluginReplies.putAll(fcpPluginReply.getReplies());
+				completionLatch.countDown();
+			}
+
+		}.execute();
+		return pluginReplies;
+	}
+
 	//
 	// PRIVATE METHODS
 	//
-- 
2.7.4