diff options
| author | Joe Robinson <joe@lc8n.com> | 2010-10-27 14:21:09 +0100 |
|---|---|---|
| committer | Joe Robinson <joe@lc8n.com> | 2010-10-27 14:21:09 +0100 |
| commit | 063284837c8c366e5502b1b0264b8eb807b61732 (patch) | |
| tree | fff3a1e1e5afaa671485b9d990704658276627ac /org/apache/commons/net/daytime/DaytimeTCPClient.java | |
Basic upload functionality to predifined location, with basic file browser
Diffstat (limited to 'org/apache/commons/net/daytime/DaytimeTCPClient.java')
| -rw-r--r-- | org/apache/commons/net/daytime/DaytimeTCPClient.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/org/apache/commons/net/daytime/DaytimeTCPClient.java b/org/apache/commons/net/daytime/DaytimeTCPClient.java new file mode 100644 index 0000000..a77c8c1 --- /dev/null +++ b/org/apache/commons/net/daytime/DaytimeTCPClient.java @@ -0,0 +1,92 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.net.daytime;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import org.apache.commons.net.SocketClient;
+
+/***
+ * The DaytimeTCPClient class is a TCP implementation of a client for the
+ * Daytime protocol described in RFC 867. To use the class, merely
+ * establish a connection with
+ * {@link org.apache.commons.net.SocketClient#connect connect }
+ * and call {@link #getTime getTime() } to retrieve the daytime
+ * string, then
+ * call {@link org.apache.commons.net.SocketClient#disconnect disconnect }
+ * to close the connection properly.
+ * <p>
+ * <p>
+ * @author Daniel F. Savarese
+ * @see DaytimeUDPClient
+ ***/
+
+public final class DaytimeTCPClient extends SocketClient
+{
+ /*** The default daytime port. It is set to 13 according to RFC 867. ***/
+ public static final int DEFAULT_PORT = 13;
+
+ // Received dates will likely be less than 64 characters.
+ // This is a temporary buffer used while receiving data.
+ private char[] __buffer = new char[64];
+
+ /***
+ * The default DaytimeTCPClient constructor. It merely sets the default
+ * port to <code> DEFAULT_PORT </code>.
+ ***/
+ public DaytimeTCPClient ()
+ {
+ setDefaultPort(DEFAULT_PORT);
+ }
+
+ /***
+ * Retrieves the time string from the server and returns it. The
+ * server will have closed the connection at this point, so you should
+ * call
+ * {@link org.apache.commons.net.SocketClient#disconnect disconnect }
+ * after calling this method. To retrieve another time, you must
+ * initiate another connection with
+ * {@link org.apache.commons.net.SocketClient#connect connect }
+ * before calling <code> getTime() </code> again.
+ * <p>
+ * @return The time string retrieved from the server.
+ * @exception IOException If an error occurs while fetching the time string.
+ ***/
+ public String getTime() throws IOException
+ {
+ int read;
+ StringBuffer result = new StringBuffer(__buffer.length);
+ BufferedReader reader;
+
+ reader = new BufferedReader(new InputStreamReader(_input_));
+
+ while (true)
+ {
+ read = reader.read(__buffer, 0, __buffer.length);
+ if (read <= 0)
+ break;
+ result.append(__buffer, 0, read);
+ }
+
+ return result.toString();
+ }
+
+}
+
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