- /*
- * Copyright 2001-2004 The Apache Software Foundation
- *
- * Licensed 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;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
-
- /***
- * 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
- * <a href="org.apache.commons.net.SocketClient.html#connect"> connect </a>
- * and call <a href="#getTime"> getTime() </a> to retrieve the daytime
- * string, then
- * call <a href="org.apache.commons.net.SocketClient.html#disconnect"> disconnect </a>
- * 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
- * <a href="org.apache.commons.net.SocketClient.html#disconnect"> disconnect </a>
- * after calling this method. To retrieve another time, you must
- * initiate another connection with
- * <a href="org.apache.commons.net.SocketClient.html#connect"> connect </a>
- * 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();
- }
-
- }
-