1 files changed, 87 insertions, 0 deletions
diff --git a/base/util/src/netscape/net/NetworkClient.java b/base/util/src/netscape/net/NetworkClient.java
new file mode 100644
index 000000000..ae8cdfcf4
--- /dev/null
+++ b/base/util/src/netscape/net/NetworkClient.java
@@ -0,0 +1,87 @@
+// --- BEGIN COPYRIGHT BLOCK ---
+// 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; version 2 of the License.
+//
+// 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, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// (C) 2007 Red Hat, Inc.
+// All rights reserved.
+// --- END COPYRIGHT BLOCK ---
+package netscape.net;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+/**
+ * This is the base class for network clients.
+ * 
+ * @version 1.21, 08/07/97
+ * @author Jonathan Payne
+ */
+public class NetworkClient {
+    /** Socket for communicating with server. */
+    protected Socket serverSocket = null;
+
+    /** Stream for printing to the server. */
+    public PrintStream serverOutput;
+
+    /** Buffered stream for reading replies from server. */
+    public InputStream serverInput;
+
+    /** Open a connection to the server. */
+    public void openServer(String server, int port)
+            throws IOException, UnknownHostException {
+        if (serverSocket != null)
+            closeServer();
+        serverSocket = doConnect(server, port);
+        serverOutput = new PrintStream(new BufferedOutputStream(serverSocket.getOutputStream()),
+                       true);
+        serverInput = new BufferedInputStream(serverSocket.getInputStream());
+    }
+
+    /**
+     * Return a socket connected to the server, with any
+     * appropriate options pre-established
+     */
+    protected Socket doConnect(String server, int port)
+            throws IOException, UnknownHostException {
+        return new Socket(server, port);
+    }
+
+    /** Close an open connection to the server. */
+    public void closeServer() throws IOException {
+        if (!serverIsOpen()) {
+            return;
+        }
+        serverSocket.close();
+        serverSocket = null;
+        serverInput = null;
+        serverOutput = null;
+    }
+
+    /** Return server connection status */
+    public boolean serverIsOpen() {
+        return serverSocket != null;
+    }
+
+    /** Create connection with host <i>host</i> on port <i>port</i> */
+    public NetworkClient(String host, int port) throws IOException {
+        openServer(host, port);
+    }
+
+    public NetworkClient() {
+    }
+}